./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-207.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:25,209 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:25,280 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43618d7-ef7c-41d4-9685-e6a69d42e5e4/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:25,285 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:25,285 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:25,309 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:25,310 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:25,310 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:25,310 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:25,311 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:25,311 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:25,311 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:25,311 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:25,311 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:25,311 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:25,312 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:25,312 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:25,312 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:25,312 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:25,312 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:25,312 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:25,313 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:25,313 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:25,313 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:25,313 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:25,314 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:25,314 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:25,625 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:25,634 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:25,636 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:25,638 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:25,638 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:25,639 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43618d7-ef7c-41d4-9685-e6a69d42e5e4/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-207.smt2
[2025-04-28 21:21:25,641 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:25,644 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:26,134 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d43618d7-ef7c-41d4-9685-e6a69d42e5e4/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA-Arrays/chc-comp24-LIA-Arrays-207.smt2
[2025-04-28 21:21:26,139 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:26,140 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:26,142 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:26,142 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:26,142 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:26,146 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,217 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26 Unit
[2025-04-28 21:21:26,217 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:26,219 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:26,219 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:26,219 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:26,237 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,237 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,273 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,273 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,279 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,281 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,283 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,285 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,287 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,307 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:26,311 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:26,311 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:26,311 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:26,312 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (1/1) ...
[2025-04-28 21:21:26,315 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:26,330 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:26,343 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-04-28 21:21:26,348 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-04-28 21:21:26,362 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:26,362 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:26,362 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:26,362 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_5_0 given in one single declaration
[2025-04-28 21:21:26,363 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_5_0
[2025-04-28 21:21:26,363 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_5_0
[2025-04-28 21:21:26,363 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,363 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__43_44_0
[2025-04-28 21:21:26,363 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__43_44_0
[2025-04-28 21:21:26,363 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_19_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,364 INFO  L130     BoogieDeclarations]: Found specification of procedure block_19_function_f__43_44_0
[2025-04-28 21:21:26,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_19_function_f__43_44_0
[2025-04-28 21:21:26,364 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,364 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__43_44_0
[2025-04-28 21:21:26,364 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__43_44_0
[2025-04-28 21:21:26,364 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,364 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__43_44_0
[2025-04-28 21:21:26,366 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__43_44_0
[2025-04-28 21:21:26,367 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_42_44_0 given in one single declaration
[2025-04-28 21:21:26,367 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_42_44_0
[2025-04-28 21:21:26,367 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_42_44_0
[2025-04-28 21:21:26,367 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_true_f_14_44_0 given in one single declaration
[2025-04-28 21:21:26,367 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_true_f_14_44_0
[2025-04-28 21:21:26,367 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_true_f_14_44_0
[2025-04-28 21:21:26,367 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_if_header_f_41_44_0 given in one single declaration
[2025-04-28 21:21:26,367 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_if_header_f_41_44_0
[2025-04-28 21:21:26,367 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_if_header_f_41_44_0
[2025-04-28 21:21:26,367 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_42_44_0 given in one single declaration
[2025-04-28 21:21:26,368 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_42_44_0
[2025-04-28 21:21:26,368 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_42_44_0
[2025-04-28 21:21:26,368 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,368 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__43_44_0
[2025-04-28 21:21:26,368 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__43_44_0
[2025-04-28 21:21:26,368 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_f_42_44_0 given in one single declaration
[2025-04-28 21:21:26,368 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_f_42_44_0
[2025-04-28 21:21:26,368 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_f_42_44_0
[2025-04-28 21:21:26,368 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_if_false_f_39_44_0 given in one single declaration
[2025-04-28 21:21:26,368 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_if_false_f_39_44_0
[2025-04-28 21:21:26,368 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_if_false_f_39_44_0
[2025-04-28 21:21:26,369 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_if_header_f_40_44_0 given in one single declaration
[2025-04-28 21:21:26,369 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_if_header_f_40_44_0
[2025-04-28 21:21:26,369 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_if_header_f_40_44_0
[2025-04-28 21:21:26,369 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_if_false_f_40_44_0 given in one single declaration
[2025-04-28 21:21:26,369 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_if_false_f_40_44_0
[2025-04-28 21:21:26,369 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_if_false_f_40_44_0
[2025-04-28 21:21:26,369 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_if_true_f_28_44_0 given in one single declaration
[2025-04-28 21:21:26,369 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_if_true_f_28_44_0
[2025-04-28 21:21:26,369 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_if_true_f_28_44_0
[2025-04-28 21:21:26,369 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,369 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__43_44_0
[2025-04-28 21:21:26,370 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__43_44_0
[2025-04-28 21:21:26,370 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,370 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_f__43_44_0
[2025-04-28 21:21:26,370 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_f__43_44_0
[2025-04-28 21:21:26,370 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_f__43_44_0 given in one single declaration
[2025-04-28 21:21:26,370 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_f__43_44_0
[2025-04-28 21:21:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_f__43_44_0
[2025-04-28 21:21:26,371 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_44_0 given in one single declaration
[2025-04-28 21:21:26,371 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_44_0
[2025-04-28 21:21:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_44_0
[2025-04-28 21:21:26,371 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_44_0 given in one single declaration
[2025-04-28 21:21:26,371 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_44_0
[2025-04-28 21:21:26,371 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_44_0
[2025-04-28 21:21:26,371 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_23_C_44_0 given in one single declaration
[2025-04-28 21:21:26,372 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_23_C_44_0
[2025-04-28 21:21:26,372 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_23_C_44_0
[2025-04-28 21:21:26,372 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_20_C_44_0 given in one single declaration
[2025-04-28 21:21:26,372 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_20_C_44_0
[2025-04-28 21:21:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_20_C_44_0
[2025-04-28 21:21:26,373 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_22_C_44_0 given in one single declaration
[2025-04-28 21:21:26,373 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_22_C_44_0
[2025-04-28 21:21:26,373 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_22_C_44_0
[2025-04-28 21:21:26,373 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_21_C_44_0 given in one single declaration
[2025-04-28 21:21:26,373 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_21_C_44_0
[2025-04-28 21:21:26,374 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_21_C_44_0
[2025-04-28 21:21:26,374 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:26,374 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:26,374 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:26,612 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:26,616 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:26,926 INFO  L?                        ?]: Removed 153 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:26,927 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:26,948 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:26,949 INFO  L312             CfgBuilder]: Removed 12 assume(true) statements.
[2025-04-28 21:21:26,952 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:26 BoogieIcfgContainer
[2025-04-28 21:21:26,952 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:26,955 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:26,955 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:26,960 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:26,961 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:26" (1/3) ...
[2025-04-28 21:21:26,961 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3960498a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:26, skipping insertion in model container
[2025-04-28 21:21:26,962 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:26" (2/3) ...
[2025-04-28 21:21:26,962 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3960498a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:26, skipping insertion in model container
[2025-04-28 21:21:26,962 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:26" (3/3) ...
[2025-04-28 21:21:26,964 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:26,987 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:26,991 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 26 procedures, 101 locations, 150 edges, 26 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:27,058 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:27,074 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3e6c81db, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:27,076 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:27,081 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 101 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 48 states have internal predecessors, (48), 31 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 31 states have call successors, (34)
[2025-04-28 21:21:27,097 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-04-28 21:21:27,097 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:27,098 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:27,098 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:27,104 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:27,105 INFO  L85        PathProgramCache]: Analyzing trace with hash -576111431, now seen corresponding path program 1 times
[2025-04-28 21:21:27,113 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:27,113 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796133589]
[2025-04-28 21:21:27,114 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:27,115 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:27,211 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-04-28 21:21:27,250 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-04-28 21:21:27,253 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:27,254 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:27,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:27,755 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:27,755 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796133589]
[2025-04-28 21:21:27,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796133589] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:27,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:27,760 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:27,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501114038]
[2025-04-28 21:21:27,764 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:27,772 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:27,772 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:27,842 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:27,843 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:27,846 INFO  L87              Difference]: Start difference. First operand  has 101 states, 44 states have (on average 1.0909090909090908) internal successors, (48), 48 states have internal predecessors, (48), 31 states have call successors, (34), 25 states have call predecessors, (34), 25 states have return successors, (34), 27 states have call predecessors, (34), 31 states have call successors, (34) Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-04-28 21:21:27,917 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:27,919 INFO  L93              Difference]: Finished difference Result 103 states and 118 transitions.
[2025-04-28 21:21:27,920 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:27,922 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-04-28 21:21:27,922 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:27,935 INFO  L225             Difference]: With dead ends: 103
[2025-04-28 21:21:27,938 INFO  L226             Difference]: Without dead ends: 99
[2025-04-28 21:21:27,949 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:27,955 INFO  L437           NwaCegarLoop]: 114 mSDtfsCounter, 1 mSDsluCounter, 221 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:27,957 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 335 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:27,977 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-04-28 21:21:28,021 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 97.
[2025-04-28 21:21:28,025 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 97 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 45 states have internal predecessors, (45), 29 states have call successors, (32), 25 states have call predecessors, (32), 25 states have return successors, (32), 26 states have call predecessors, (32), 29 states have call successors, (32)
[2025-04-28 21:21:28,034 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions.
[2025-04-28 21:21:28,035 INFO  L79                 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 59
[2025-04-28 21:21:28,035 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:28,036 INFO  L485      AbstractCegarLoop]: Abstraction has 97 states and 109 transitions.
[2025-04-28 21:21:28,036 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-04-28 21:21:28,036 INFO  L278                IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions.
[2025-04-28 21:21:28,039 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-04-28 21:21:28,041 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:28,041 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:28,041 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:28,042 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:28,043 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:28,043 INFO  L85        PathProgramCache]: Analyzing trace with hash -1600857923, now seen corresponding path program 1 times
[2025-04-28 21:21:28,043 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:28,043 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1766368215]
[2025-04-28 21:21:28,043 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:28,044 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:28,106 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-04-28 21:21:28,189 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-04-28 21:21:28,193 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:28,193 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:28,657 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:28,657 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:28,657 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1766368215]
[2025-04-28 21:21:28,657 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1766368215] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:28,658 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:28,658 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:28,658 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907398293]
[2025-04-28 21:21:28,658 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:28,659 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:28,660 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:28,662 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:28,662 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:28,662 INFO  L87              Difference]: Start difference. First operand 97 states and 109 transitions. Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-04-28 21:21:28,701 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:28,705 INFO  L93              Difference]: Finished difference Result 95 states and 106 transitions.
[2025-04-28 21:21:28,706 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:28,706 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-04-28 21:21:28,706 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:28,708 INFO  L225             Difference]: With dead ends: 95
[2025-04-28 21:21:28,708 INFO  L226             Difference]: Without dead ends: 93
[2025-04-28 21:21:28,708 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:28,709 INFO  L437           NwaCegarLoop]: 105 mSDtfsCounter, 0 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 308 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:28,712 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 308 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:28,715 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-04-28 21:21:28,725 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2025-04-28 21:21:28,728 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 28 states have call successors, (30), 24 states have call predecessors, (30), 24 states have return successors, (30), 25 states have call predecessors, (30), 28 states have call successors, (30)
[2025-04-28 21:21:28,731 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 103 transitions.
[2025-04-28 21:21:28,733 INFO  L79                 Accepts]: Start accepts. Automaton has 93 states and 103 transitions. Word has length 59
[2025-04-28 21:21:28,734 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:28,734 INFO  L485      AbstractCegarLoop]: Abstraction has 93 states and 103 transitions.
[2025-04-28 21:21:28,735 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 4 states have call successors, (16)
[2025-04-28 21:21:28,735 INFO  L278                IsEmpty]: Start isEmpty. Operand 93 states and 103 transitions.
[2025-04-28 21:21:28,736 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 63
[2025-04-28 21:21:28,739 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:28,739 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:28,739 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-04-28 21:21:28,739 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:28,740 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:28,742 INFO  L85        PathProgramCache]: Analyzing trace with hash 1397419028, now seen corresponding path program 1 times
[2025-04-28 21:21:28,742 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:28,742 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814063220]
[2025-04-28 21:21:28,742 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:28,742 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:28,794 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 62 statements into 1 equivalence classes.
[2025-04-28 21:21:28,833 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 62 of 62 statements.
[2025-04-28 21:21:28,835 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:28,836 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:29,258 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:29,258 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:29,258 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814063220]
[2025-04-28 21:21:29,258 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814063220] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:29,258 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:29,258 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-04-28 21:21:29,258 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133453449]
[2025-04-28 21:21:29,259 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:29,259 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-04-28 21:21:29,259 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:29,260 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-04-28 21:21:29,261 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-04-28 21:21:29,261 INFO  L87              Difference]: Start difference. First operand 93 states and 103 transitions. Second operand  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17)
[2025-04-28 21:21:29,519 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:29,519 INFO  L93              Difference]: Finished difference Result 102 states and 113 transitions.
[2025-04-28 21:21:29,520 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-04-28 21:21:29,520 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17) Word has length 62
[2025-04-28 21:21:29,521 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:29,522 INFO  L225             Difference]: With dead ends: 102
[2025-04-28 21:21:29,524 INFO  L226             Difference]: Without dead ends: 102
[2025-04-28 21:21:29,524 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132
[2025-04-28 21:21:29,525 INFO  L437           NwaCegarLoop]: 96 mSDtfsCounter, 2 mSDsluCounter, 846 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 942 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:29,527 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 942 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-04-28 21:21:29,528 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2025-04-28 21:21:29,541 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102.
[2025-04-28 21:21:29,541 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 29 states have call successors, (31), 24 states have call predecessors, (31), 28 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35)
[2025-04-28 21:21:29,546 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2025-04-28 21:21:29,546 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 62
[2025-04-28 21:21:29,546 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:29,546 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2025-04-28 21:21:29,547 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 9 states have (on average 3.111111111111111) internal successors, (28), 11 states have internal predecessors, (28), 5 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 10 states have call predecessors, (17), 5 states have call successors, (17)
[2025-04-28 21:21:29,547 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2025-04-28 21:21:29,552 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-04-28 21:21:29,553 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:29,553 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:29,553 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-04-28 21:21:29,553 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:29,554 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:29,554 INFO  L85        PathProgramCache]: Analyzing trace with hash 1003813139, now seen corresponding path program 1 times
[2025-04-28 21:21:29,554 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:29,554 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610899265]
[2025-04-28 21:21:29,554 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:29,554 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:29,599 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-04-28 21:21:29,621 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-04-28 21:21:29,621 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:29,621 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:29,826 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:29,826 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:29,827 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610899265]
[2025-04-28 21:21:29,827 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [610899265] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:29,827 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:29,827 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:29,827 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706680750]
[2025-04-28 21:21:29,827 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:29,828 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:29,828 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:29,829 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:29,830 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:29,830 INFO  L87              Difference]: Start difference. First operand 102 states and 113 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-04-28 21:21:29,905 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:29,905 INFO  L93              Difference]: Finished difference Result 107 states and 119 transitions.
[2025-04-28 21:21:29,906 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:29,906 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-04-28 21:21:29,907 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:29,909 INFO  L225             Difference]: With dead ends: 107
[2025-04-28 21:21:29,910 INFO  L226             Difference]: Without dead ends: 107
[2025-04-28 21:21:29,911 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:29,911 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:29,912 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 516 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:29,913 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-04-28 21:21:29,926 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102.
[2025-04-28 21:21:29,926 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 29 states have call successors, (31), 24 states have call predecessors, (31), 28 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35)
[2025-04-28 21:21:29,930 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2025-04-28 21:21:29,930 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 66
[2025-04-28 21:21:29,931 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:29,932 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2025-04-28 21:21:29,933 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-04-28 21:21:29,933 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2025-04-28 21:21:29,934 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 67
[2025-04-28 21:21:29,934 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:29,934 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:29,938 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-04-28 21:21:29,938 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:29,938 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:29,939 INFO  L85        PathProgramCache]: Analyzing trace with hash 1470245811, now seen corresponding path program 1 times
[2025-04-28 21:21:29,939 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:29,939 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1361558362]
[2025-04-28 21:21:29,939 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:29,939 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:29,980 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes.
[2025-04-28 21:21:30,004 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements.
[2025-04-28 21:21:30,004 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:30,005 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:30,166 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:30,167 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:30,167 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1361558362]
[2025-04-28 21:21:30,167 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1361558362] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:30,167 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:30,167 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:30,167 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600955424]
[2025-04-28 21:21:30,167 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:30,168 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:30,168 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:30,168 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:30,168 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:30,169 INFO  L87              Difference]: Start difference. First operand 102 states and 113 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-04-28 21:21:30,230 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:30,231 INFO  L93              Difference]: Finished difference Result 107 states and 119 transitions.
[2025-04-28 21:21:30,235 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:30,236 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 66
[2025-04-28 21:21:30,236 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:30,237 INFO  L225             Difference]: With dead ends: 107
[2025-04-28 21:21:30,237 INFO  L226             Difference]: Without dead ends: 107
[2025-04-28 21:21:30,238 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:30,238 INFO  L437           NwaCegarLoop]: 105 mSDtfsCounter, 1 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:30,239 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 511 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:30,243 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 107 states.
[2025-04-28 21:21:30,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 102.
[2025-04-28 21:21:30,253 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 102 states, 45 states have (on average 1.0444444444444445) internal successors, (47), 47 states have internal predecessors, (47), 29 states have call successors, (31), 24 states have call predecessors, (31), 28 states have return successors, (35), 30 states have call predecessors, (35), 29 states have call successors, (35)
[2025-04-28 21:21:30,256 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 113 transitions.
[2025-04-28 21:21:30,257 INFO  L79                 Accepts]: Start accepts. Automaton has 102 states and 113 transitions. Word has length 66
[2025-04-28 21:21:30,257 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:30,258 INFO  L485      AbstractCegarLoop]: Abstraction has 102 states and 113 transitions.
[2025-04-28 21:21:30,258 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-04-28 21:21:30,258 INFO  L278                IsEmpty]: Start isEmpty. Operand 102 states and 113 transitions.
[2025-04-28 21:21:30,259 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2025-04-28 21:21:30,260 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:30,260 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:30,260 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-04-28 21:21:30,260 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:30,261 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:30,261 INFO  L85        PathProgramCache]: Analyzing trace with hash -1797841762, now seen corresponding path program 1 times
[2025-04-28 21:21:30,261 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:30,261 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090462246]
[2025-04-28 21:21:30,261 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:30,261 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:30,301 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.
[2025-04-28 21:21:30,331 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements.
[2025-04-28 21:21:30,331 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:30,331 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:30,754 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:30,754 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:30,754 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090462246]
[2025-04-28 21:21:30,754 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090462246] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:30,755 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:30,755 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-04-28 21:21:30,755 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843039354]
[2025-04-28 21:21:30,755 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:30,755 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-04-28 21:21:30,756 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:30,756 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-04-28 21:21:30,756 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-04-28 21:21:30,757 INFO  L87              Difference]: Start difference. First operand 102 states and 113 transitions. Second operand  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-04-28 21:21:31,051 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:31,052 INFO  L93              Difference]: Finished difference Result 113 states and 125 transitions.
[2025-04-28 21:21:31,053 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-04-28 21:21:31,054 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20) Word has length 72
[2025-04-28 21:21:31,054 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:31,055 INFO  L225             Difference]: With dead ends: 113
[2025-04-28 21:21:31,058 INFO  L226             Difference]: Without dead ends: 113
[2025-04-28 21:21:31,058 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-04-28 21:21:31,059 INFO  L437           NwaCegarLoop]: 102 mSDtfsCounter, 2 mSDsluCounter, 1186 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1288 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:31,061 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1288 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-04-28 21:21:31,062 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 113 states.
[2025-04-28 21:21:31,070 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 104.
[2025-04-28 21:21:31,073 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 46 states have (on average 1.0434782608695652) internal successors, (48), 48 states have internal predecessors, (48), 29 states have call successors, (31), 24 states have call predecessors, (31), 29 states have return successors, (36), 31 states have call predecessors, (36), 29 states have call successors, (36)
[2025-04-28 21:21:31,075 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 115 transitions.
[2025-04-28 21:21:31,075 INFO  L79                 Accepts]: Start accepts. Automaton has 104 states and 115 transitions. Word has length 72
[2025-04-28 21:21:31,076 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:31,076 INFO  L485      AbstractCegarLoop]: Abstraction has 104 states and 115 transitions.
[2025-04-28 21:21:31,077 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-04-28 21:21:31,077 INFO  L278                IsEmpty]: Start isEmpty. Operand 104 states and 115 transitions.
[2025-04-28 21:21:31,078 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 73
[2025-04-28 21:21:31,078 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:31,078 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:31,078 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-04-28 21:21:31,079 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:31,079 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:31,079 INFO  L85        PathProgramCache]: Analyzing trace with hash 1954958555, now seen corresponding path program 1 times
[2025-04-28 21:21:31,079 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:31,079 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313097314]
[2025-04-28 21:21:31,080 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:31,080 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:31,115 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 72 statements into 1 equivalence classes.
[2025-04-28 21:21:31,139 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 72 of 72 statements.
[2025-04-28 21:21:31,139 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:31,139 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:31,541 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-04-28 21:21:31,542 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:31,542 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313097314]
[2025-04-28 21:21:31,542 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313097314] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:31,542 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:31,542 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14
[2025-04-28 21:21:31,542 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1162145733]
[2025-04-28 21:21:31,542 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:31,543 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 14 states
[2025-04-28 21:21:31,543 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:31,544 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants.
[2025-04-28 21:21:31,544 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182
[2025-04-28 21:21:31,544 INFO  L87              Difference]: Start difference. First operand 104 states and 115 transitions. Second operand  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-04-28 21:21:31,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:31,824 INFO  L93              Difference]: Finished difference Result 98 states and 109 transitions.
[2025-04-28 21:21:31,825 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-04-28 21:21:31,825 INFO  L79                 Accepts]: Start accepts. Automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20) Word has length 72
[2025-04-28 21:21:31,825 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:31,826 INFO  L225             Difference]: With dead ends: 98
[2025-04-28 21:21:31,826 INFO  L226             Difference]: Without dead ends: 0
[2025-04-28 21:21:31,826 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=29, Invalid=181, Unknown=0, NotChecked=0, Total=210
[2025-04-28 21:21:31,827 INFO  L437           NwaCegarLoop]: 95 mSDtfsCounter, 1 mSDsluCounter, 1104 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1199 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:31,827 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1199 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-04-28 21:21:31,828 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-04-28 21:21:31,828 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-04-28 21:21:31,828 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-04-28 21:21:31,828 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-04-28 21:21:31,828 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72
[2025-04-28 21:21:31,828 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:31,828 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-04-28 21:21:31,829 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 14 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 14 states have internal predecessors, (32), 5 states have call successors, (20), 1 states have call predecessors, (20), 12 states have return successors, (20), 13 states have call predecessors, (20), 5 states have call successors, (20)
[2025-04-28 21:21:31,829 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-04-28 21:21:31,829 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-04-28 21:21:31,832 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-04-28 21:21:31,832 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-04-28 21:21:31,836 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:31,840 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-04-28 21:21:31,845 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 09:21:31 BoogieIcfgContainer
[2025-04-28 21:21:31,845 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-04-28 21:21:31,846 INFO  L158              Benchmark]: Toolchain (without parser) took 5705.46ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 134.7MB in the end (delta: 14.9MB). Peak memory consumption was 10.0MB. Max. memory is 33.6GB.
[2025-04-28 21:21:31,846 INFO  L158              Benchmark]: SmtParser took 0.40ms. Allocated memory is still 234.9MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:31,846 INFO  L158              Benchmark]: ChcToBoogie took 76.46ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:31,847 INFO  L158              Benchmark]: Boogie Preprocessor took 88.76ms. Allocated memory is still 234.9MB. Free memory was 146.9MB in the beginning and 143.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:31,847 INFO  L158              Benchmark]: RCFGBuilder took 641.73ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 109.8MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 33.6GB.
[2025-04-28 21:21:31,848 INFO  L158              Benchmark]: TraceAbstraction took 4890.21ms. Allocated memory is still 234.9MB. Free memory was 109.2MB in the beginning and 134.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-04-28 21:21:31,849 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.40ms. Allocated memory is still 234.9MB. Free memory is still 171.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 76.46ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 146.9MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 88.76ms. Allocated memory is still 234.9MB. Free memory was 146.9MB in the beginning and 143.5MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 641.73ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 109.8MB in the end (delta: 33.8MB). Peak memory consumption was 33.6MB. Max. memory is 33.6GB.
 * TraceAbstraction took 4890.21ms. Allocated memory is still 234.9MB. Free memory was 109.2MB in the beginning and 134.7MB in the end (delta: -25.5MB). There was no memory consumed. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 26 procedures, 101 locations, 150 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 5099 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4376 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 482 IncrementalHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 723 mSDtfsCounter, 482 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 62 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=6, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 21 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 456 NumberOfCodeBlocks, 456 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 449 ConstructedInterpolants, 0 QuantifiedInterpolants, 645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-04-28 21:21:31,869 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
