./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/invariants/loop_basic_for.sol_0_no_adts_000.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:28:37,521 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:28:37,557 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aea961-e9a0-4d17-bf02-2dc7f1c6d49b/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:28:37,560 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:28:37,560 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:28:37,573 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:28:37,574 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:28:37,574 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:28:37,574 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:28:37,574 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:28:37,574 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:28:37,574 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:28:37,574 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:28:37,574 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:28:37,575 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:37,575 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:28:37,575 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:28:37,576 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:28:37,576 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:28:37,576 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:28:37,780 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:28:37,788 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:28:37,790 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:28:37,792 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:28:37,792 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:28:37,793 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aea961-e9a0-4d17-bf02-2dc7f1c6d49b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/invariants/loop_basic_for.sol_0_no_adts_000.smt2
[2025-05-07 17:28:37,793 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:28:37,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:28:38,025 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71aea961-e9a0-4d17-bf02-2dc7f1c6d49b/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/invariants/loop_basic_for.sol_0_no_adts_000.smt2
[2025-05-07 17:28:38,028 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:28:38,030 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:28:38,030 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:28:38,030 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:28:38,031 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:28:38,033 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,069 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38 Unit
[2025-05-07 17:28:38,069 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:28:38,070 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:28:38,070 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:28:38,070 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:28:38,084 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,084 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,106 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,106 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,109 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,111 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,112 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,115 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,116 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,129 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:28:38,129 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:28:38,129 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:28:38,129 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:28:38,130 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (1/1) ...
[2025-05-07 17:28:38,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:28:38,143 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:28:38,153 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 17:28:38,156 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 17:28:38,165 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:28:38,166 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:28:38,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:28:38,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_3_0 given in one single declaration
[2025-05-07 17:28:38,166 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_3_0
[2025-05-07 17:28:38,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_3_0
[2025-05-07 17:28:38,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,166 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,166 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_14_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,166 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_14_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_14_Simple_28_0
[2025-05-07 17:28:38,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_16_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_16_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_16_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_15_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_15_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_15_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_17_Simple_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_17_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_17_Simple_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,167 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__27_28_0
[2025-05-07 17:28:38,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_return_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_return_function_f__27_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_return_function_f__27_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_f_26_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_f_26_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_f_26_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_for_header_f_19_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_for_header_f_19_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_for_header_f_19_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_for_post_f_17_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_for_post_f_17_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_for_post_f_17_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_9_for_body_f_18_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_9_for_body_f_18_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_9_for_body_f_18_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_f_26_28_0 given in one single declaration
[2025-05-07 17:28:38,168 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_f_26_28_0
[2025-05-07 17:28:38,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_f_26_28_0
[2025-05-07 17:28:38,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_5_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,169 INFO  L130     BoogieDeclarations]: Found specification of procedure block_5_function_f__27_28_0
[2025-05-07 17:28:38,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_5_function_f__27_28_0
[2025-05-07 17:28:38,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_function_f__27_28_0 given in one single declaration
[2025-05-07 17:28:38,169 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_function_f__27_28_0
[2025-05-07 17:28:38,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_function_f__27_28_0
[2025-05-07 17:28:38,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:28:38,169 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:28:38,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:28:38,281 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:28:38,283 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:28:38,457 INFO  L?                        ?]: Removed 126 outVars from TransFormulas that were not future-live.
[2025-05-07 17:28:38,457 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:28:38,469 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:28:38,469 INFO  L312             CfgBuilder]: Removed 8 assume(true) statements.
[2025-05-07 17:28:38,470 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:38 BoogieIcfgContainer
[2025-05-07 17:28:38,470 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:28:38,472 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:28:38,472 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:28:38,476 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:28:38,476 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:28:38" (1/3) ...
[2025-05-07 17:28:38,476 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbc29ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:28:38, skipping insertion in model container
[2025-05-07 17:28:38,476 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:28:38" (2/3) ...
[2025-05-07 17:28:38,477 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fbc29ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:28:38, skipping insertion in model container
[2025-05-07 17:28:38,477 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:28:38" (3/3) ...
[2025-05-07 17:28:38,478 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:28:38,491 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:28:38,493 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 20 procedures, 78 locations, 112 edges, 20 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:28:38,522 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:28:38,530 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;@281e9465, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:28:38,530 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:28:38,534 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 78 states, 33 states have (on average 1.121212121212121) internal successors, (37), 37 states have internal predecessors, (37), 24 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (25), 21 states have call predecessors, (25), 24 states have call successors, (25)
[2025-05-07 17:28:38,545 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:38,545 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:38,545 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 17:28:38,546 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:38,550 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:38,550 INFO  L85        PathProgramCache]: Analyzing trace with hash -583980934, now seen corresponding path program 1 times
[2025-05-07 17:28:38,565 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:38,566 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59418609]
[2025-05-07 17:28:38,566 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:38,566 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:38,609 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:38,659 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:38,659 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:38,660 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:38,876 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 17:28:38,876 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:38,876 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [59418609]
[2025-05-07 17:28:38,877 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [59418609] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:38,877 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:38,878 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2025-05-07 17:28:38,879 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788529334]
[2025-05-07 17:28:38,880 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:38,882 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2025-05-07 17:28:38,883 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:38,915 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2025-05-07 17:28:38,916 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:38,918 INFO  L87              Difference]: Start difference. First operand  has 78 states, 33 states have (on average 1.121212121212121) internal successors, (37), 37 states have internal predecessors, (37), 24 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (25), 21 states have call predecessors, (25), 24 states have call successors, (25) Second operand  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:28:38,976 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:38,976 INFO  L93              Difference]: Finished difference Result 80 states and 89 transitions.
[2025-05-07 17:28:38,977 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2025-05-07 17:28:38,978 INFO  L79                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 59
[2025-05-07 17:28:38,978 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:38,983 INFO  L225             Difference]: With dead ends: 80
[2025-05-07 17:28:38,983 INFO  L226             Difference]: Without dead ends: 76
[2025-05-07 17:28:38,985 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2025-05-07 17:28:38,987 INFO  L437           NwaCegarLoop]: 83 mSDtfsCounter, 1 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:38,987 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 319 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:28:38,997 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 76 states.
[2025-05-07 17:28:39,011 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74.
[2025-05-07 17:28:39,012 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 74 states, 32 states have (on average 1.0625) internal successors, (34), 34 states have internal predecessors, (34), 22 states have call successors, (23), 19 states have call predecessors, (23), 19 states have return successors, (23), 20 states have call predecessors, (23), 22 states have call successors, (23)
[2025-05-07 17:28:39,014 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 80 transitions.
[2025-05-07 17:28:39,015 INFO  L79                 Accepts]: Start accepts. Automaton has 74 states and 80 transitions. Word has length 59
[2025-05-07 17:28:39,016 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,016 INFO  L485      AbstractCegarLoop]: Abstraction has 74 states and 80 transitions.
[2025-05-07 17:28:39,016 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 6.75) internal successors, (27), 5 states have internal predecessors, (27), 4 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16)
[2025-05-07 17:28:39,016 INFO  L278                IsEmpty]: Start isEmpty. Operand 74 states and 80 transitions.
[2025-05-07 17:28:39,017 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:39,017 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,018 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 17:28:39,018 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:28:39,018 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,018 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,018 INFO  L85        PathProgramCache]: Analyzing trace with hash 504226558, now seen corresponding path program 1 times
[2025-05-07 17:28:39,018 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,019 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2069917740]
[2025-05-07 17:28:39,019 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,019 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:39,049 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:39,072 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:39,072 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,072 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,380 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 17:28:39,380 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,380 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2069917740]
[2025-05-07 17:28:39,380 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2069917740] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,380 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,380 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:28:39,380 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339685955]
[2025-05-07 17:28:39,381 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,382 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:28:39,382 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,382 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:28:39,382 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:39,382 INFO  L87              Difference]: Start difference. First operand 74 states and 80 transitions. Second operand  has 7 states, 4 states have (on average 6.75) internal successors, (27), 7 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16)
[2025-05-07 17:28:39,467 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,467 INFO  L93              Difference]: Finished difference Result 78 states and 85 transitions.
[2025-05-07 17:28:39,468 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:28:39,468 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 4 states have (on average 6.75) internal successors, (27), 7 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16) Word has length 59
[2025-05-07 17:28:39,468 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,469 INFO  L225             Difference]: With dead ends: 78
[2025-05-07 17:28:39,469 INFO  L226             Difference]: Without dead ends: 78
[2025-05-07 17:28:39,469 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:28:39,469 INFO  L437           NwaCegarLoop]: 73 mSDtfsCounter, 3 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:39,469 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 348 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:39,470 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 78 states.
[2025-05-07 17:28:39,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78.
[2025-05-07 17:28:39,474 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 78 states, 34 states have (on average 1.0588235294117647) internal successors, (36), 36 states have internal predecessors, (36), 22 states have call successors, (23), 19 states have call predecessors, (23), 21 states have return successors, (26), 22 states have call predecessors, (26), 22 states have call successors, (26)
[2025-05-07 17:28:39,475 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 85 transitions.
[2025-05-07 17:28:39,475 INFO  L79                 Accepts]: Start accepts. Automaton has 78 states and 85 transitions. Word has length 59
[2025-05-07 17:28:39,475 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,475 INFO  L485      AbstractCegarLoop]: Abstraction has 78 states and 85 transitions.
[2025-05-07 17:28:39,475 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 4 states have (on average 6.75) internal successors, (27), 7 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 4 states have return successors, (16), 4 states have call predecessors, (16), 6 states have call successors, (16)
[2025-05-07 17:28:39,476 INFO  L278                IsEmpty]: Start isEmpty. Operand 78 states and 85 transitions.
[2025-05-07 17:28:39,476 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 60
[2025-05-07 17:28:39,477 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,477 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 17:28:39,477 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:28:39,477 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,477 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,477 INFO  L85        PathProgramCache]: Analyzing trace with hash -427517772, now seen corresponding path program 1 times
[2025-05-07 17:28:39,477 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,477 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923676750]
[2025-05-07 17:28:39,478 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,478 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:39,500 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes.
[2025-05-07 17:28:39,510 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements.
[2025-05-07 17:28:39,510 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,511 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:39,640 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 17:28:39,640 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:39,640 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923676750]
[2025-05-07 17:28:39,640 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923676750] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:39,640 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:39,640 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-05-07 17:28:39,640 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139322762]
[2025-05-07 17:28:39,640 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:39,641 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-05-07 17:28:39,641 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:39,641 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-05-07 17:28:39,641 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:39,641 INFO  L87              Difference]: Start difference. First operand 78 states and 85 transitions. Second operand  has 10 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16)
[2025-05-07 17:28:39,750 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:39,750 INFO  L93              Difference]: Finished difference Result 85 states and 93 transitions.
[2025-05-07 17:28:39,750 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-05-07 17:28:39,751 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16) Word has length 59
[2025-05-07 17:28:39,751 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:39,752 INFO  L225             Difference]: With dead ends: 85
[2025-05-07 17:28:39,752 INFO  L226             Difference]: Without dead ends: 85
[2025-05-07 17:28:39,752 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110
[2025-05-07 17:28:39,753 INFO  L437           NwaCegarLoop]: 74 mSDtfsCounter, 3 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 648 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:39,753 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 648 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:39,754 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2025-05-07 17:28:39,760 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85.
[2025-05-07 17:28:39,760 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 85 states, 37 states have (on average 1.054054054054054) internal successors, (39), 39 states have internal predecessors, (39), 23 states have call successors, (24), 19 states have call predecessors, (24), 24 states have return successors, (30), 26 states have call predecessors, (30), 23 states have call successors, (30)
[2025-05-07 17:28:39,761 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 93 transitions.
[2025-05-07 17:28:39,762 INFO  L79                 Accepts]: Start accepts. Automaton has 85 states and 93 transitions. Word has length 59
[2025-05-07 17:28:39,762 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:39,762 INFO  L485      AbstractCegarLoop]: Abstraction has 85 states and 93 transitions.
[2025-05-07 17:28:39,762 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 8 states have (on average 3.375) internal successors, (27), 10 states have internal predecessors, (27), 6 states have call successors, (16), 1 states have call predecessors, (16), 8 states have return successors, (16), 8 states have call predecessors, (16), 6 states have call successors, (16)
[2025-05-07 17:28:39,762 INFO  L278                IsEmpty]: Start isEmpty. Operand 85 states and 93 transitions.
[2025-05-07 17:28:39,764 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2025-05-07 17:28:39,764 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:39,764 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:39,764 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:28:39,764 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:39,765 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:39,765 INFO  L85        PathProgramCache]: Analyzing trace with hash -1367650058, now seen corresponding path program 1 times
[2025-05-07 17:28:39,765 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:39,765 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95063707]
[2025-05-07 17:28:39,765 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:39,765 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:39,793 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes.
[2025-05-07 17:28:39,808 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements.
[2025-05-07 17:28:39,808 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:39,808 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:40,020 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2025-05-07 17:28:40,021 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:40,021 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95063707]
[2025-05-07 17:28:40,021 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [95063707] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:40,021 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:40,021 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12
[2025-05-07 17:28:40,021 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1586328544]
[2025-05-07 17:28:40,021 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:40,021 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2025-05-07 17:28:40,021 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:40,022 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2025-05-07 17:28:40,022 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132
[2025-05-07 17:28:40,023 INFO  L87              Difference]: Start difference. First operand 85 states and 93 transitions. Second operand  has 12 states, 10 states have (on average 3.1) internal successors, (31), 12 states have internal predecessors, (31), 6 states have call successors, (19), 1 states have call predecessors, (19), 10 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19)
[2025-05-07 17:28:40,147 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:40,147 INFO  L93              Difference]: Finished difference Result 90 states and 99 transitions.
[2025-05-07 17:28:40,148 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2025-05-07 17:28:40,148 INFO  L79                 Accepts]: Start accepts. Automaton has  has 12 states, 10 states have (on average 3.1) internal successors, (31), 12 states have internal predecessors, (31), 6 states have call successors, (19), 1 states have call predecessors, (19), 10 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19) Word has length 70
[2025-05-07 17:28:40,148 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:40,149 INFO  L225             Difference]: With dead ends: 90
[2025-05-07 17:28:40,149 INFO  L226             Difference]: Without dead ends: 90
[2025-05-07 17:28:40,150 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156
[2025-05-07 17:28:40,150 INFO  L437           NwaCegarLoop]: 70 mSDtfsCounter, 2 mSDsluCounter, 674 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 744 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:40,150 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 744 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:40,151 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 90 states.
[2025-05-07 17:28:40,156 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83.
[2025-05-07 17:28:40,157 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 36 states have (on average 1.0555555555555556) internal successors, (38), 38 states have internal predecessors, (38), 23 states have call successors, (24), 19 states have call predecessors, (24), 23 states have return successors, (29), 25 states have call predecessors, (29), 23 states have call successors, (29)
[2025-05-07 17:28:40,158 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 91 transitions.
[2025-05-07 17:28:40,158 INFO  L79                 Accepts]: Start accepts. Automaton has 83 states and 91 transitions. Word has length 70
[2025-05-07 17:28:40,158 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:40,158 INFO  L485      AbstractCegarLoop]: Abstraction has 83 states and 91 transitions.
[2025-05-07 17:28:40,158 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 12 states, 10 states have (on average 3.1) internal successors, (31), 12 states have internal predecessors, (31), 6 states have call successors, (19), 1 states have call predecessors, (19), 10 states have return successors, (19), 10 states have call predecessors, (19), 6 states have call successors, (19)
[2025-05-07 17:28:40,158 INFO  L278                IsEmpty]: Start isEmpty. Operand 83 states and 91 transitions.
[2025-05-07 17:28:40,160 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 71
[2025-05-07 17:28:40,160 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:28:40,160 INFO  L218           NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:28:40,160 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:28:40,160 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:28:40,161 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:28:40,161 INFO  L85        PathProgramCache]: Analyzing trace with hash -1009081258, now seen corresponding path program 1 times
[2025-05-07 17:28:40,161 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:28:40,161 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362024077]
[2025-05-07 17:28:40,161 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:28:40,161 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:28:40,187 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes.
[2025-05-07 17:28:40,202 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements.
[2025-05-07 17:28:40,202 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:28:40,202 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:28:40,564 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2025-05-07 17:28:40,564 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:28:40,564 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362024077]
[2025-05-07 17:28:40,564 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362024077] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:28:40,564 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:28:40,564 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9
[2025-05-07 17:28:40,564 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664978463]
[2025-05-07 17:28:40,565 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:28:40,565 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2025-05-07 17:28:40,565 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:28:40,565 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2025-05-07 17:28:40,566 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2025-05-07 17:28:40,566 INFO  L87              Difference]: Start difference. First operand 83 states and 91 transitions. Second operand  has 9 states, 6 states have (on average 5.333333333333333) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19)
[2025-05-07 17:28:40,645 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:28:40,645 INFO  L93              Difference]: Finished difference Result 48 states and 53 transitions.
[2025-05-07 17:28:40,646 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-05-07 17:28:40,646 INFO  L79                 Accepts]: Start accepts. Automaton has  has 9 states, 6 states have (on average 5.333333333333333) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19) Word has length 70
[2025-05-07 17:28:40,646 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:28:40,646 INFO  L225             Difference]: With dead ends: 48
[2025-05-07 17:28:40,646 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:28:40,647 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90
[2025-05-07 17:28:40,647 INFO  L437           NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 216 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 256 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:28:40,647 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 256 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:28:40,648 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:28:40,648 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:28:40,648 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 17:28:40,648 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:28:40,648 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70
[2025-05-07 17:28:40,648 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:28:40,648 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:28:40,648 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 6 states have (on average 5.333333333333333) internal successors, (32), 9 states have internal predecessors, (32), 6 states have call successors, (19), 1 states have call predecessors, (19), 6 states have return successors, (19), 6 states have call predecessors, (19), 6 states have call successors, (19)
[2025-05-07 17:28:40,648 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:28:40,649 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:28:40,651 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:28:40,651 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:28:40,653 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:28:40,655 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:28:40,657 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:28:40 BoogieIcfgContainer
[2025-05-07 17:28:40,658 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:28:40,658 INFO  L158              Benchmark]: Toolchain (without parser) took 2628.68ms. Allocated memory is still 234.9MB. Free memory was 156.1MB in the beginning and 97.5MB in the end (delta: 58.6MB). Peak memory consumption was 60.1MB. Max. memory is 33.6GB.
[2025-05-07 17:28:40,658 INFO  L158              Benchmark]: SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:40,658 INFO  L158              Benchmark]: ChcToBoogie took 38.96ms. Allocated memory is still 234.9MB. Free memory was 156.1MB in the beginning and 153.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:28:40,659 INFO  L158              Benchmark]: Boogie Preprocessor took 59.03ms. Allocated memory is still 234.9MB. Free memory was 153.9MB in the beginning and 151.0MB in the end (delta: 3.0MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:40,659 INFO  L158              Benchmark]: RCFGBuilder took 340.59ms. Allocated memory is still 234.9MB. Free memory was 151.0MB in the beginning and 125.9MB in the end (delta: 25.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
[2025-05-07 17:28:40,659 INFO  L158              Benchmark]: TraceAbstraction took 2185.27ms. Allocated memory is still 234.9MB. Free memory was 125.2MB in the beginning and 97.5MB in the end (delta: 27.7MB). Peak memory consumption was 26.6MB. Max. memory is 33.6GB.
[2025-05-07 17:28:40,660 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.21ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 38.96ms. Allocated memory is still 234.9MB. Free memory was 156.1MB in the beginning and 153.9MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 59.03ms. Allocated memory is still 234.9MB. Free memory was 153.9MB in the beginning and 151.0MB in the end (delta: 3.0MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * RCFGBuilder took 340.59ms. Allocated memory is still 234.9MB. Free memory was 151.0MB in the beginning and 125.9MB in the end (delta: 25.1MB). Peak memory consumption was 16.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 2185.27ms. Allocated memory is still 234.9MB. Free memory was 125.2MB in the beginning and 97.5MB in the end (delta: 27.7MB). Peak memory consumption was 26.6MB. 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 20 procedures, 78 locations, 112 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 24 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 2315 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1975 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 290 IncrementalHoareTripleChecker+Invalid, 296 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 340 mSDtfsCounter, 290 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=3, InterpolantAutomatonStates: 44, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 317 NumberOfCodeBlocks, 317 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 312 ConstructedInterpolants, 0 QuantifiedInterpolants, 471 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 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 17:28:40,670 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
