./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_branch_1d.sol_1_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:54,519 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:54,557 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0436d4-29e9-4d16-b308-ee81c8bf943b/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:54,560 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:54,560 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:54,574 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:54,574 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:54,574 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:54,574 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:54,574 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:54,575 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:54,575 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:54,575 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:54,575 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:54,575 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:54,576 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:54,576 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:54,763 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:54,770 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:54,771 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:54,772 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:54,772 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:54,773 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0436d4-29e9-4d16-b308-ee81c8bf943b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_branch_1d.sol_1_no_adts_000.smt2
[2025-05-07 17:28:54,774 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:54,776 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:55,038 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e0436d4-29e9-4d16-b308-ee81c8bf943b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/array_branch_1d.sol_1_no_adts_000.smt2
[2025-05-07 17:28:55,041 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:55,042 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:55,042 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:55,042 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:55,042 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:55,044 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,073 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55 Unit
[2025-05-07 17:28:55,073 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:55,073 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:55,074 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:55,074 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:55,085 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,085 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,106 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,106 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,110 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,111 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,112 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,114 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,115 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,125 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:55,125 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:55,125 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:55,125 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:55,126 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (1/1) ...
[2025-05-07 17:28:55,128 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:55,136 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:55,144 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)
[2025-05-07 17:28:55,147 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:28:55,154 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:55,154 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_44_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_44_0
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_44_0
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_44_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_44_0
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_44_0
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_19_C_44_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_19_C_44_0
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_19_C_44_0
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_16_C_44_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_16_C_44_0
[2025-05-07 17:28:55,155 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_16_C_44_0
[2025-05-07 17:28:55,155 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_18_C_44_0 given in one single declaration
[2025-05-07 17:28:55,155 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_18_C_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_18_C_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_17_C_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_17_C_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_17_C_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__43_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_42_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_42_44_0
[2025-05-07 17:28:55,156 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_42_44_0
[2025-05-07 17:28:55,156 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_if_true_f_32_44_0 given in one single declaration
[2025-05-07 17:28:55,156 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_if_true_f_32_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_if_true_f_32_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_if_header_f_33_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_if_header_f_33_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_if_header_f_33_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_42_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_42_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_42_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_function_f__43_44_0
[2025-05-07 17:28:55,157 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__43_44_0 given in one single declaration
[2025-05-07 17:28:55,157 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__43_44_0
[2025-05-07 17:28:55,158 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__43_44_0
[2025-05-07 17:28:55,158 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:55,158 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:55,158 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:55,284 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:55,286 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:55,493 INFO  L?                        ?]: Removed 172 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:55,493 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:55,502 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:55,503 INFO  L312             CfgBuilder]: Removed 10 assume(true) statements.
[2025-05-07 17:28:55,503 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:55 BoogieIcfgContainer
[2025-05-07 17:28:55,503 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:55,505 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:55,505 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:55,509 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:55,509 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:55" (1/3) ...
[2025-05-07 17:28:55,510 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be36bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:55, skipping insertion in model container
[2025-05-07 17:28:55,510 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:55" (2/3) ...
[2025-05-07 17:28:55,510 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6be36bf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:55, skipping insertion in model container
[2025-05-07 17:28:55,510 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:55" (3/3) ...
[2025-05-07 17:28:55,511 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:55,521 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:55,523 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 22 procedures, 87 locations, 132 edges, 22 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:55,558 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:55,569 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;@18b14539, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:55,569 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:55,572 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 87 states, 38 states have (on average 1.105263157894737) internal successors, (42), 42 states have internal predecessors, (42), 26 states have call successors, (30), 21 states have call predecessors, (30), 21 states have return successors, (30), 23 states have call predecessors, (30), 26 states have call successors, (30)
[2025-05-07 17:28:55,580 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2025-05-07 17:28:55,580 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:55,580 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]
[2025-05-07 17:28:55,580 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:55,584 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:55,584 INFO  L85        PathProgramCache]: Analyzing trace with hash -51927465, now seen corresponding path program 1 times
[2025-05-07 17:28:55,590 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:55,590 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861016412]
[2025-05-07 17:28:55,590 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:55,591 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:55,641 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 51 statements into 1 equivalence classes.
[2025-05-07 17:28:55,675 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 51 of 51 statements.
[2025-05-07 17:28:55,675 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:55,675 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:55,778 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:55,779 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:55,779 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [861016412]
[2025-05-07 17:28:55,780 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [861016412] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:55,780 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:55,782 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2025-05-07 17:28:55,784 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64289601]
[2025-05-07 17:28:55,784 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:55,788 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2025-05-07 17:28:55,788 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:55,811 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2025-05-07 17:28:55,811 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:55,813 INFO  L87              Difference]: Start difference. First operand  has 87 states, 38 states have (on average 1.105263157894737) internal successors, (42), 42 states have internal predecessors, (42), 26 states have call successors, (30), 21 states have call predecessors, (30), 21 states have return successors, (30), 23 states have call predecessors, (30), 26 states have call successors, (30) Second operand  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:55,836 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:55,836 INFO  L93              Difference]: Finished difference Result 82 states and 95 transitions.
[2025-05-07 17:28:55,836 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2025-05-07 17:28:55,838 INFO  L79                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 51
[2025-05-07 17:28:55,838 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:55,843 INFO  L225             Difference]: With dead ends: 82
[2025-05-07 17:28:55,844 INFO  L226             Difference]: Without dead ends: 81
[2025-05-07 17:28:55,845 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2025-05-07 17:28:55,847 INFO  L437           NwaCegarLoop]: 95 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:55,848 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:55,871 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2025-05-07 17:28:55,895 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81.
[2025-05-07 17:28:55,896 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 81 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 38 states have internal predecessors, (38), 25 states have call successors, (28), 20 states have call predecessors, (28), 20 states have return successors, (28), 22 states have call predecessors, (28), 25 states have call successors, (28)
[2025-05-07 17:28:55,901 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 94 transitions.
[2025-05-07 17:28:55,902 INFO  L79                 Accepts]: Start accepts. Automaton has 81 states and 94 transitions. Word has length 51
[2025-05-07 17:28:55,902 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:55,903 INFO  L485      AbstractCegarLoop]: Abstraction has 81 states and 94 transitions.
[2025-05-07 17:28:55,903 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.5) internal successors, (23), 2 states have internal predecessors, (23), 2 states have call successors, (14), 1 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14)
[2025-05-07 17:28:55,903 INFO  L278                IsEmpty]: Start isEmpty. Operand 81 states and 94 transitions.
[2025-05-07 17:28:55,905 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:55,905 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:55,906 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]
[2025-05-07 17:28:55,906 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:55,906 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:55,907 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:55,907 INFO  L85        PathProgramCache]: Analyzing trace with hash 977381332, now seen corresponding path program 1 times
[2025-05-07 17:28:55,907 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:55,907 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337071020]
[2025-05-07 17:28:55,907 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:55,907 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:55,943 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:55,973 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:55,973 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:55,974 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:56,119 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:56,119 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:56,119 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337071020]
[2025-05-07 17:28:56,119 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337071020] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:56,119 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:56,119 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:28:56,120 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145449040]
[2025-05-07 17:28:56,120 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:56,120 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:28:56,120 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:56,121 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:28:56,121 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:28:56,121 INFO  L87              Difference]: Start difference. First operand 81 states and 94 transitions. Second operand  has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:28:56,135 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:56,135 INFO  L93              Difference]: Finished difference Result 85 states and 98 transitions.
[2025-05-07 17:28:56,135 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:28:56,136 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), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 59
[2025-05-07 17:28:56,136 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:56,137 INFO  L225             Difference]: With dead ends: 85
[2025-05-07 17:28:56,137 INFO  L226             Difference]: Without dead ends: 81
[2025-05-07 17:28:56,137 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
[2025-05-07 17:28:56,137 INFO  L437           NwaCegarLoop]: 94 mSDtfsCounter, 1 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 275 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
[2025-05-07 17:28:56,138 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 275 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:56,138 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 81 states.
[2025-05-07 17:28:56,143 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79.
[2025-05-07 17:28:56,143 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 79 states, 35 states have (on average 1.0571428571428572) internal successors, (37), 37 states have internal predecessors, (37), 23 states have call successors, (26), 20 states have call predecessors, (26), 20 states have return successors, (26), 21 states have call predecessors, (26), 23 states have call successors, (26)
[2025-05-07 17:28:56,144 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions.
[2025-05-07 17:28:56,144 INFO  L79                 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 59
[2025-05-07 17:28:56,144 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:56,144 INFO  L485      AbstractCegarLoop]: Abstraction has 79 states and 89 transitions.
[2025-05-07 17:28:56,144 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), 3 states have call successors, (16), 1 states have call predecessors, (16), 3 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16)
[2025-05-07 17:28:56,144 INFO  L278                IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions.
[2025-05-07 17:28:56,145 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:56,145 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:56,145 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]
[2025-05-07 17:28:56,145 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:56,145 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:56,146 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:56,146 INFO  L85        PathProgramCache]: Analyzing trace with hash 943516707, now seen corresponding path program 1 times
[2025-05-07 17:28:56,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:56,146 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1376391720]
[2025-05-07 17:28:56,146 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:56,146 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:56,173 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:56,198 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:56,198 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:56,198 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:56,360 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:56,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:56,360 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1376391720]
[2025-05-07 17:28:56,360 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1376391720] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:56,360 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:56,360 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:56,360 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612657430]
[2025-05-07 17:28:56,361 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:56,361 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:56,361 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:56,362 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:56,362 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:56,362 INFO  L87              Difference]: Start difference. First operand 79 states and 89 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:56,406 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:56,406 INFO  L93              Difference]: Finished difference Result 84 states and 95 transitions.
[2025-05-07 17:28:56,407 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:56,407 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 59
[2025-05-07 17:28:56,407 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:56,408 INFO  L225             Difference]: With dead ends: 84
[2025-05-07 17:28:56,408 INFO  L226             Difference]: Without dead ends: 84
[2025-05-07 17:28:56,408 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
[2025-05-07 17:28:56,409 INFO  L437           NwaCegarLoop]: 91 mSDtfsCounter, 1 mSDsluCounter, 350 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 441 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
[2025-05-07 17:28:56,409 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 441 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:56,410 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2025-05-07 17:28:56,413 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2025-05-07 17:28:56,414 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 37 states have (on average 1.054054054054054) internal successors, (39), 39 states have internal predecessors, (39), 24 states have call successors, (27), 20 states have call predecessors, (27), 22 states have return successors, (29), 24 states have call predecessors, (29), 24 states have call successors, (29)
[2025-05-07 17:28:56,414 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions.
[2025-05-07 17:28:56,415 INFO  L79                 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 59
[2025-05-07 17:28:56,415 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:56,415 INFO  L485      AbstractCegarLoop]: Abstraction has 84 states and 95 transitions.
[2025-05-07 17:28:56,415 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:56,415 INFO  L278                IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions.
[2025-05-07 17:28:56,416 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:56,416 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:56,416 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]
[2025-05-07 17:28:56,416 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:56,417 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:56,417 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:56,417 INFO  L85        PathProgramCache]: Analyzing trace with hash 48091910, now seen corresponding path program 1 times
[2025-05-07 17:28:56,417 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:56,417 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249611491]
[2025-05-07 17:28:56,417 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:56,417 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:56,442 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:56,455 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:56,455 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:56,455 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:56,701 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:56,701 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:56,701 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249611491]
[2025-05-07 17:28:56,702 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249611491] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:56,702 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:56,702 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-05-07 17:28:56,702 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828455992]
[2025-05-07 17:28:56,702 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:56,702 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-05-07 17:28:56,702 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:56,703 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-05-07 17:28:56,703 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:28:56,704 INFO  L87              Difference]: Start difference. First operand 84 states and 95 transitions. Second operand  has 11 states, 8 states have (on average 3.375) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16)
[2025-05-07 17:28:56,838 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:56,838 INFO  L93              Difference]: Finished difference Result 93 states and 107 transitions.
[2025-05-07 17:28:56,838 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-05-07 17:28:56,838 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 8 states have (on average 3.375) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16) Word has length 59
[2025-05-07 17:28:56,839 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:56,839 INFO  L225             Difference]: With dead ends: 93
[2025-05-07 17:28:56,839 INFO  L226             Difference]: Without dead ends: 93
[2025-05-07 17:28:56,839 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:28:56,840 INFO  L437           NwaCegarLoop]: 86 mSDtfsCounter, 3 mSDsluCounter, 660 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 746 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:56,840 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 746 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:56,840 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-05-07 17:28:56,844 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88.
[2025-05-07 17:28:56,845 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 41 states have internal predecessors, (41), 24 states have call successors, (27), 20 states have call predecessors, (27), 24 states have return successors, (33), 26 states have call predecessors, (33), 24 states have call successors, (33)
[2025-05-07 17:28:56,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions.
[2025-05-07 17:28:56,845 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 59
[2025-05-07 17:28:56,846 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:56,846 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 101 transitions.
[2025-05-07 17:28:56,846 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 8 states have (on average 3.375) internal successors, (27), 11 states have internal predecessors, (27), 7 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 7 states have call successors, (16)
[2025-05-07 17:28:56,846 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions.
[2025-05-07 17:28:56,847 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:56,847 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:56,847 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]
[2025-05-07 17:28:56,847 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:56,847 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:56,847 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:56,847 INFO  L85        PathProgramCache]: Analyzing trace with hash -2113464712, now seen corresponding path program 1 times
[2025-05-07 17:28:56,847 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:56,847 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [128769832]
[2025-05-07 17:28:56,847 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:56,847 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:56,865 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:56,876 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:56,876 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:56,876 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:56,945 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:56,945 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:56,945 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [128769832]
[2025-05-07 17:28:56,945 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [128769832] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:56,945 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:56,945 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:56,945 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528365297]
[2025-05-07 17:28:56,945 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:56,946 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:56,946 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:56,946 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:56,946 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:56,946 INFO  L87              Difference]: Start difference. First operand 88 states and 101 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:56,978 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:56,978 INFO  L93              Difference]: Finished difference Result 93 states and 107 transitions.
[2025-05-07 17:28:56,979 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:56,979 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 59
[2025-05-07 17:28:56,979 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:56,980 INFO  L225             Difference]: With dead ends: 93
[2025-05-07 17:28:56,980 INFO  L226             Difference]: Without dead ends: 93
[2025-05-07 17:28:56,980 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
[2025-05-07 17:28:56,980 INFO  L437           NwaCegarLoop]: 90 mSDtfsCounter, 1 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 438 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
[2025-05-07 17:28:56,981 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 438 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:56,981 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-05-07 17:28:56,985 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88.
[2025-05-07 17:28:56,985 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 41 states have internal predecessors, (41), 24 states have call successors, (27), 20 states have call predecessors, (27), 24 states have return successors, (33), 26 states have call predecessors, (33), 24 states have call successors, (33)
[2025-05-07 17:28:56,985 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions.
[2025-05-07 17:28:56,986 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 59
[2025-05-07 17:28:56,986 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:56,986 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 101 transitions.
[2025-05-07 17:28:56,986 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:56,986 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions.
[2025-05-07 17:28:56,987 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:56,987 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:56,987 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]
[2025-05-07 17:28:56,987 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:56,988 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:56,988 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:56,988 INFO  L85        PathProgramCache]: Analyzing trace with hash 248250968, now seen corresponding path program 1 times
[2025-05-07 17:28:56,988 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:56,988 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1060043594]
[2025-05-07 17:28:56,988 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:56,988 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:57,010 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:57,019 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:57,019 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:57,019 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:57,094 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:57,094 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:57,094 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1060043594]
[2025-05-07 17:28:57,094 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1060043594] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:57,094 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:57,094 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:28:57,094 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110564907]
[2025-05-07 17:28:57,094 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:57,095 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:28:57,095 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:57,095 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:28:57,095 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:28:57,095 INFO  L87              Difference]: Start difference. First operand 88 states and 101 transitions. Second operand  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:57,125 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:57,126 INFO  L93              Difference]: Finished difference Result 93 states and 107 transitions.
[2025-05-07 17:28:57,126 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:28:57,126 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 59
[2025-05-07 17:28:57,126 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:57,127 INFO  L225             Difference]: With dead ends: 93
[2025-05-07 17:28:57,127 INFO  L226             Difference]: Without dead ends: 93
[2025-05-07 17:28:57,127 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
[2025-05-07 17:28:57,128 INFO  L437           NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 446 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
[2025-05-07 17:28:57,128 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 446 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:57,129 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-05-07 17:28:57,132 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88.
[2025-05-07 17:28:57,132 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 39 states have (on average 1.0512820512820513) internal successors, (41), 41 states have internal predecessors, (41), 24 states have call successors, (27), 20 states have call predecessors, (27), 24 states have return successors, (33), 26 states have call predecessors, (33), 24 states have call successors, (33)
[2025-05-07 17:28:57,133 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 101 transitions.
[2025-05-07 17:28:57,133 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 101 transitions. Word has length 59
[2025-05-07 17:28:57,133 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:57,133 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 101 transitions.
[2025-05-07 17:28:57,133 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.4) internal successors, (27), 6 states have internal predecessors, (27), 5 states have call successors, (16), 1 states have call predecessors, (16), 5 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16)
[2025-05-07 17:28:57,133 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 101 transitions.
[2025-05-07 17:28:57,134 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 64
[2025-05-07 17:28:57,134 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:57,134 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]
[2025-05-07 17:28:57,134 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-05-07 17:28:57,134 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:57,135 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:57,135 INFO  L85        PathProgramCache]: Analyzing trace with hash 617376912, now seen corresponding path program 1 times
[2025-05-07 17:28:57,135 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:57,135 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368826445]
[2025-05-07 17:28:57,135 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:57,135 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:57,156 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes.
[2025-05-07 17:28:57,165 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements.
[2025-05-07 17:28:57,166 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:57,166 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:57,362 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:28:57,362 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:57,362 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368826445]
[2025-05-07 17:28:57,362 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368826445] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:57,362 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:57,362 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2025-05-07 17:28:57,362 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880986518]
[2025-05-07 17:28:57,362 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:57,363 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2025-05-07 17:28:57,363 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:57,363 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2025-05-07 17:28:57,363 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156
[2025-05-07 17:28:57,364 INFO  L87              Difference]: Start difference. First operand 88 states and 101 transitions. Second operand  has 13 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 13 states have internal predecessors, (29), 8 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 9 states have call predecessors, (17), 8 states have call successors, (17)
[2025-05-07 17:28:57,532 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:57,533 INFO  L93              Difference]: Finished difference Result 63 states and 72 transitions.
[2025-05-07 17:28:57,533 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. 
[2025-05-07 17:28:57,533 INFO  L79                 Accepts]: Start accepts. Automaton has  has 13 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 13 states have internal predecessors, (29), 8 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 9 states have call predecessors, (17), 8 states have call successors, (17) Word has length 63
[2025-05-07 17:28:57,533 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:57,534 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:28:57,534 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:57,534 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210
[2025-05-07 17:28:57,534 INFO  L437           NwaCegarLoop]: 50 mSDtfsCounter, 2 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 564 SdHoareTripleChecker+Invalid, 165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:57,535 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 564 Invalid, 165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:57,535 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:57,535 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:57,535 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)
[2025-05-07 17:28:57,535 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:57,536 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63
[2025-05-07 17:28:57,536 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:57,536 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:57,536 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 9 states have (on average 3.2222222222222223) internal successors, (29), 13 states have internal predecessors, (29), 8 states have call successors, (17), 1 states have call predecessors, (17), 9 states have return successors, (17), 9 states have call predecessors, (17), 8 states have call successors, (17)
[2025-05-07 17:28:57,536 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:57,536 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:57,538 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:57,539 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-05-07 17:28:57,541 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:28:57,543 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:57,546 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:57 BoogieIcfgContainer
[2025-05-07 17:28:57,546 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:57,546 INFO  L158              Benchmark]: Toolchain (without parser) took 2504.70ms. Allocated memory is still 234.9MB. Free memory was 149.6MB in the beginning and 183.4MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:57,546 INFO  L158              Benchmark]: SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:57,547 INFO  L158              Benchmark]: ChcToBoogie took 30.94ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:57,547 INFO  L158              Benchmark]: Boogie Preprocessor took 51.30ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 143.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:57,547 INFO  L158              Benchmark]: RCFGBuilder took 378.11ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 182.0MB in the end (delta: -38.5MB). Peak memory consumption was 42.7MB. Max. memory is 33.6GB.
[2025-05-07 17:28:57,547 INFO  L158              Benchmark]: TraceAbstraction took 2040.39ms. Allocated memory is still 234.9MB. Free memory was 181.6MB in the beginning and 183.4MB in the end (delta: -1.8MB). Peak memory consumption was 985.5kB. Max. memory is 33.6GB.
[2025-05-07 17:28:57,548 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.19ms. Allocated memory is still 234.9MB. Free memory is still 171.9MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 30.94ms. Allocated memory is still 234.9MB. Free memory was 149.5MB in the beginning and 146.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 51.30ms. Allocated memory is still 234.9MB. Free memory was 146.7MB in the beginning and 143.5MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 378.11ms. Allocated memory is still 234.9MB. Free memory was 143.5MB in the beginning and 182.0MB in the end (delta: -38.5MB). Peak memory consumption was 42.7MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2040.39ms. Allocated memory is still 234.9MB. Free memory was 181.6MB in the beginning and 183.4MB in the end (delta: -1.8MB). Peak memory consumption was 985.5kB. 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 22 procedures, 87 locations, 132 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 9 mSDsluCounter, 3005 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2407 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 309 IncrementalHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 598 mSDtfsCounter, 309 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=4, InterpolantAutomatonStates: 49, 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, 17 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 409 NumberOfCodeBlocks, 409 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 402 ConstructedInterpolants, 0 QuantifiedInterpolants, 552 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!
[2025-05-07 17:28:57,560 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
