/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.positions.where.we.compute.the.hoare.annotation All --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows ASSERTandASSUME -i ../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:53:37,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:53:37,804 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2025-03-15 01:53:37,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:53:37,829 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:53:37,829 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:53:37,829 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:53:37,830 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:53:37,830 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:53:37,831 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:53:37,832 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:37,832 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:53:37,832 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> All Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> ASSERTandASSUME [2025-03-15 01:53:38,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:53:38,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:53:38,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:53:38,081 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:53:38,081 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:53:38,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2025-03-15 01:53:39,275 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9a225b3/3bd2f1a4acf74ab5ba7c90d54bc1e74e/FLAG39af173e9 [2025-03-15 01:53:39,518 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:53:39,521 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-C-DAC/pthread-demo-datarace-3.i [2025-03-15 01:53:39,539 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9a225b3/3bd2f1a4acf74ab5ba7c90d54bc1e74e/FLAG39af173e9 [2025-03-15 01:53:39,554 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f9a225b3/3bd2f1a4acf74ab5ba7c90d54bc1e74e [2025-03-15 01:53:39,556 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:53:39,557 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:53:39,558 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:39,558 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:53:39,562 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:53:39,562 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:39" (1/1) ... [2025-03-15 01:53:39,563 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d3271ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:39, skipping insertion in model container [2025-03-15 01:53:39,563 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:53:39" (1/1) ... [2025-03-15 01:53:39,601 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:53:39,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:39,958 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:53:39,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:53:40,073 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:53:40,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40 WrapperNode [2025-03-15 01:53:40,074 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:53:40,076 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:40,076 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:53:40,076 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:53:40,080 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,121 INFO L138 Inliner]: procedures = 364, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 117 [2025-03-15 01:53:40,121 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:53:40,121 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:53:40,121 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:53:40,122 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:53:40,126 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,128 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,129 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,137 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,138 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,144 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,145 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,145 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:53:40,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:53:40,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:53:40,151 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:53:40,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (1/1) ... [2025-03-15 01:53:40,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:53:40,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:40,180 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:53:40,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:53:40,199 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:53:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:53:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure thread_function_datarace [2025-03-15 01:53:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure thread_function_datarace [2025-03-15 01:53:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:53:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:53:40,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:53:40,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:53:40,201 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:53:40,283 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:53:40,285 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:53:40,453 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:53:40,453 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:53:40,483 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:53:40,483 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:53:40,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:40 BoogieIcfgContainer [2025-03-15 01:53:40,484 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:53:40,485 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:53:40,485 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:53:40,489 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:53:40,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:53:39" (1/3) ... [2025-03-15 01:53:40,489 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3a80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:40, skipping insertion in model container [2025-03-15 01:53:40,489 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:53:40" (2/3) ... [2025-03-15 01:53:40,490 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ff3a80a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:53:40, skipping insertion in model container [2025-03-15 01:53:40,490 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:53:40" (3/3) ... [2025-03-15 01:53:40,491 INFO L128 eAbstractionObserver]: Analyzing ICFG pthread-demo-datarace-3.i [2025-03-15 01:53:40,500 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:53:40,502 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG pthread-demo-datarace-3.i that has 2 procedures, 149 locations, 1 initial locations, 2 loop locations, and 8 error locations. [2025-03-15 01:53:40,502 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:53:40,551 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:53:40,577 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:53:40,585 INFO L333 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=All, 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;@17914fd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:53:40,585 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations. [2025-03-15 01:53:40,630 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:53:40,631 INFO L124 PetriNetUnfolderBase]: 1/91 cut-off events. [2025-03-15 01:53:40,633 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:53:40,634 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:40,634 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:40,635 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:40,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:40,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1560690238, now seen corresponding path program 1 times [2025-03-15 01:53:40,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:40,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [826277588] [2025-03-15 01:53:40,647 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:40,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:40,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:41,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:41,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:41,082 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [826277588] [2025-03-15 01:53:41,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [826277588] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:41,082 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:41,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:41,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297017913] [2025-03-15 01:53:41,084 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:41,092 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:41,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:41,111 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:41,112 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:41,114 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:41,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 154 transitions, 315 flow. Second operand has 4 states, 4 states have (on average 133.25) internal successors, (533), 4 states have internal predecessors, (533), 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) [2025-03-15 01:53:41,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:41,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:41,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:41,265 INFO L124 PetriNetUnfolderBase]: 66/322 cut-off events. [2025-03-15 01:53:41,265 INFO L125 PetriNetUnfolderBase]: For 24/35 co-relation queries the response was YES. [2025-03-15 01:53:41,270 INFO L83 FinitePrefix]: Finished finitePrefix Result has 451 conditions, 322 events. 66/322 cut-off events. For 24/35 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1165 event pairs, 10 based on Foata normal form. 23/261 useless extension candidates. Maximal degree in co-relation 330. Up to 94 conditions per place. [2025-03-15 01:53:41,273 INFO L140 encePairwiseOnDemand]: 140/154 looper letters, 20 selfloop transitions, 7 changer transitions 17/158 dead transitions. [2025-03-15 01:53:41,273 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 148 places, 158 transitions, 387 flow [2025-03-15 01:53:41,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:41,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 710 transitions. [2025-03-15 01:53:41,284 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.922077922077922 [2025-03-15 01:53:41,289 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, -4 predicate places. [2025-03-15 01:53:41,290 INFO L471 AbstractCegarLoop]: Abstraction has has 148 places, 158 transitions, 387 flow [2025-03-15 01:53:41,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.25) internal successors, (533), 4 states have internal predecessors, (533), 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) [2025-03-15 01:53:41,290 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:41,290 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:41,291 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:53:41,291 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:41,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:41,292 INFO L85 PathProgramCache]: Analyzing trace with hash -124622457, now seen corresponding path program 1 times [2025-03-15 01:53:41,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:41,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688598500] [2025-03-15 01:53:41,292 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:41,292 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:41,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:41,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:41,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:41,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688598500] [2025-03-15 01:53:41,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688598500] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:41,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:41,403 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:41,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [987834754] [2025-03-15 01:53:41,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:41,404 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:41,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:41,405 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:41,405 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:41,410 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 154 [2025-03-15 01:53:41,411 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 158 transitions, 387 flow. Second operand has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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) [2025-03-15 01:53:41,412 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:41,412 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 154 [2025-03-15 01:53:41,412 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:41,603 INFO L124 PetriNetUnfolderBase]: 179/521 cut-off events. [2025-03-15 01:53:41,604 INFO L125 PetriNetUnfolderBase]: For 104/194 co-relation queries the response was YES. [2025-03-15 01:53:41,606 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1026 conditions, 521 events. 179/521 cut-off events. For 104/194 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 2900 event pairs, 21 based on Foata normal form. 7/336 useless extension candidates. Maximal degree in co-relation 922. Up to 225 conditions per place. [2025-03-15 01:53:41,609 INFO L140 encePairwiseOnDemand]: 147/154 looper letters, 32 selfloop transitions, 4 changer transitions 15/172 dead transitions. [2025-03-15 01:53:41,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 172 transitions, 502 flow [2025-03-15 01:53:41,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 689 transitions. [2025-03-15 01:53:41,614 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8948051948051948 [2025-03-15 01:53:41,614 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 0 predicate places. [2025-03-15 01:53:41,614 INFO L471 AbstractCegarLoop]: Abstraction has has 152 places, 172 transitions, 502 flow [2025-03-15 01:53:41,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 132.5) internal successors, (530), 4 states have internal predecessors, (530), 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) [2025-03-15 01:53:41,615 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:41,615 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:41,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:53:41,616 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:41,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:41,618 INFO L85 PathProgramCache]: Analyzing trace with hash 908124805, now seen corresponding path program 1 times [2025-03-15 01:53:41,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:41,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696319737] [2025-03-15 01:53:41,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:41,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:41,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:41,762 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:41,763 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:41,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696319737] [2025-03-15 01:53:41,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696319737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:41,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:41,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:41,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323041176] [2025-03-15 01:53:41,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:41,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:41,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:41,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:41,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:41,765 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 154 [2025-03-15 01:53:41,765 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 172 transitions, 502 flow. Second operand has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2025-03-15 01:53:41,765 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:41,765 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 154 [2025-03-15 01:53:41,765 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:41,907 INFO L124 PetriNetUnfolderBase]: 237/725 cut-off events. [2025-03-15 01:53:41,908 INFO L125 PetriNetUnfolderBase]: For 351/582 co-relation queries the response was YES. [2025-03-15 01:53:41,910 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1785 conditions, 725 events. 237/725 cut-off events. For 351/582 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 4680 event pairs, 80 based on Foata normal form. 38/508 useless extension candidates. Maximal degree in co-relation 1675. Up to 303 conditions per place. [2025-03-15 01:53:41,914 INFO L140 encePairwiseOnDemand]: 147/154 looper letters, 45 selfloop transitions, 4 changer transitions 15/190 dead transitions. [2025-03-15 01:53:41,915 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 190 transitions, 686 flow [2025-03-15 01:53:41,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 674 transitions. [2025-03-15 01:53:41,917 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8753246753246753 [2025-03-15 01:53:41,917 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 4 predicate places. [2025-03-15 01:53:41,918 INFO L471 AbstractCegarLoop]: Abstraction has has 156 places, 190 transitions, 686 flow [2025-03-15 01:53:41,918 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.0) internal successors, (524), 4 states have internal predecessors, (524), 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) [2025-03-15 01:53:41,918 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:41,918 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:41,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:53:41,918 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:41,919 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:41,919 INFO L85 PathProgramCache]: Analyzing trace with hash -845787527, now seen corresponding path program 1 times [2025-03-15 01:53:41,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:41,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945354585] [2025-03-15 01:53:41,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:41,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:41,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:42,055 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:42,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945354585] [2025-03-15 01:53:42,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945354585] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:42,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978816093] [2025-03-15 01:53:42,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:42,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:42,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:42,058 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:42,060 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-15 01:53:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:42,142 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:53:42,147 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:42,232 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:53:42,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978816093] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:42,232 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:53:42,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-15 01:53:42,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392617620] [2025-03-15 01:53:42,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:42,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:53:42,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:42,233 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:53:42,233 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:53:42,235 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:42,235 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 156 places, 190 transitions, 686 flow. Second operand has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2025-03-15 01:53:42,235 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:42,235 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:42,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:42,333 INFO L124 PetriNetUnfolderBase]: 124/505 cut-off events. [2025-03-15 01:53:42,334 INFO L125 PetriNetUnfolderBase]: For 490/704 co-relation queries the response was YES. [2025-03-15 01:53:42,335 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1316 conditions, 505 events. 124/505 cut-off events. For 490/704 co-relation queries the response was YES. Maximal size of possible extension queue 58. Compared 3100 event pairs, 6 based on Foata normal form. 34/421 useless extension candidates. Maximal degree in co-relation 1206. Up to 164 conditions per place. [2025-03-15 01:53:42,337 INFO L140 encePairwiseOnDemand]: 150/154 looper letters, 42 selfloop transitions, 3 changer transitions 15/186 dead transitions. [2025-03-15 01:53:42,337 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 157 places, 186 transitions, 748 flow [2025-03-15 01:53:42,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:53:42,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:53:42,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 547 transitions. [2025-03-15 01:53:42,339 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.887987012987013 [2025-03-15 01:53:42,340 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 5 predicate places. [2025-03-15 01:53:42,340 INFO L471 AbstractCegarLoop]: Abstraction has has 157 places, 186 transitions, 748 flow [2025-03-15 01:53:42,340 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 134.0) internal successors, (670), 5 states have internal predecessors, (670), 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) [2025-03-15 01:53:42,340 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:42,340 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:42,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:42,541 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:42,541 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:42,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:42,542 INFO L85 PathProgramCache]: Analyzing trace with hash -449609176, now seen corresponding path program 1 times [2025-03-15 01:53:42,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:42,542 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150873220] [2025-03-15 01:53:42,542 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:42,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:42,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:42,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:42,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:42,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150873220] [2025-03-15 01:53:42,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150873220] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:42,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [583817935] [2025-03-15 01:53:42,687 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:42,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:42,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:42,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:42,690 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-15 01:53:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:42,770 INFO L256 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-15 01:53:42,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:42,886 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:42,887 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:43,026 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:43,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [583817935] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:43,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:43,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2025-03-15 01:53:43,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755395727] [2025-03-15 01:53:43,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:43,027 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-03-15 01:53:43,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:43,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-03-15 01:53:43,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2025-03-15 01:53:43,032 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:43,033 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 186 transitions, 748 flow. Second operand has 12 states, 12 states have (on average 134.41666666666666) internal successors, (1613), 12 states have internal predecessors, (1613), 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) [2025-03-15 01:53:43,033 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:43,033 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:43,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:43,528 INFO L124 PetriNetUnfolderBase]: 512/2292 cut-off events. [2025-03-15 01:53:43,528 INFO L125 PetriNetUnfolderBase]: For 7689/9116 co-relation queries the response was YES. [2025-03-15 01:53:43,536 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6804 conditions, 2292 events. 512/2292 cut-off events. For 7689/9116 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 20505 event pairs, 88 based on Foata normal form. 153/1891 useless extension candidates. Maximal degree in co-relation 6431. Up to 1223 conditions per place. [2025-03-15 01:53:43,549 INFO L140 encePairwiseOnDemand]: 146/154 looper letters, 87 selfloop transitions, 88 changer transitions 33/334 dead transitions. [2025-03-15 01:53:43,549 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 179 places, 334 transitions, 2361 flow [2025-03-15 01:53:43,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-03-15 01:53:43,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2025-03-15 01:53:43,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 3186 transitions. [2025-03-15 01:53:43,555 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8994918125352908 [2025-03-15 01:53:43,555 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 27 predicate places. [2025-03-15 01:53:43,555 INFO L471 AbstractCegarLoop]: Abstraction has has 179 places, 334 transitions, 2361 flow [2025-03-15 01:53:43,556 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 134.41666666666666) internal successors, (1613), 12 states have internal predecessors, (1613), 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) [2025-03-15 01:53:43,556 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:43,556 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:43,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:43,761 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:43,761 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:43,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:43,762 INFO L85 PathProgramCache]: Analyzing trace with hash -2105775564, now seen corresponding path program 1 times [2025-03-15 01:53:43,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:43,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739170703] [2025-03-15 01:53:43,762 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:43,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:43,867 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:43,867 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:43,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739170703] [2025-03-15 01:53:43,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739170703] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:43,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301297554] [2025-03-15 01:53:43,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:43,867 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:43,867 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:43,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:43,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-15 01:53:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:43,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-15 01:53:43,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:43,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:43,975 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:53:43,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301297554] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:43,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:53:43,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2025-03-15 01:53:43,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214310482] [2025-03-15 01:53:43,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:43,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:53:43,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:43,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:53:43,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2025-03-15 01:53:43,977 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 154 [2025-03-15 01:53:43,978 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 179 places, 334 transitions, 2361 flow. Second operand has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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) [2025-03-15 01:53:43,978 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:43,978 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 154 [2025-03-15 01:53:43,978 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:44,236 INFO L124 PetriNetUnfolderBase]: 512/2248 cut-off events. [2025-03-15 01:53:44,236 INFO L125 PetriNetUnfolderBase]: For 10934/17093 co-relation queries the response was YES. [2025-03-15 01:53:44,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8084 conditions, 2248 events. 512/2248 cut-off events. For 10934/17093 co-relation queries the response was YES. Maximal size of possible extension queue 129. Compared 19774 event pairs, 97 based on Foata normal form. 351/2113 useless extension candidates. Maximal degree in co-relation 7691. Up to 1175 conditions per place. [2025-03-15 01:53:44,249 INFO L140 encePairwiseOnDemand]: 150/154 looper letters, 107 selfloop transitions, 5 changer transitions 33/333 dead transitions. [2025-03-15 01:53:44,249 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 181 places, 333 transitions, 2601 flow [2025-03-15 01:53:44,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:53:44,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:53:44,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 532 transitions. [2025-03-15 01:53:44,251 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8636363636363636 [2025-03-15 01:53:44,252 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 29 predicate places. [2025-03-15 01:53:44,252 INFO L471 AbstractCegarLoop]: Abstraction has has 181 places, 333 transitions, 2601 flow [2025-03-15 01:53:44,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 132.0) internal successors, (660), 5 states have internal predecessors, (660), 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) [2025-03-15 01:53:44,252 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:44,252 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:44,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:44,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:44,457 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:44,457 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:44,457 INFO L85 PathProgramCache]: Analyzing trace with hash -910839572, now seen corresponding path program 1 times [2025-03-15 01:53:44,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:44,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939381946] [2025-03-15 01:53:44,458 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:44,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:44,536 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:44,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939381946] [2025-03-15 01:53:44,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939381946] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:44,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45253930] [2025-03-15 01:53:44,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:44,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:44,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:44,539 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:44,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-15 01:53:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:44,619 INFO L256 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-15 01:53:44,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:44,662 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:44,662 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-15 01:53:44,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [45253930] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:44,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-15 01:53:44,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-03-15 01:53:44,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73734361] [2025-03-15 01:53:44,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:44,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:53:44,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:44,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:53:44,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-15 01:53:44,664 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 154 [2025-03-15 01:53:44,664 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 181 places, 333 transitions, 2601 flow. Second operand has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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) [2025-03-15 01:53:44,664 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:44,664 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 154 [2025-03-15 01:53:44,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:44,952 INFO L124 PetriNetUnfolderBase]: 489/2121 cut-off events. [2025-03-15 01:53:44,952 INFO L125 PetriNetUnfolderBase]: For 10823/14885 co-relation queries the response was YES. [2025-03-15 01:53:44,958 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8449 conditions, 2121 events. 489/2121 cut-off events. For 10823/14885 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 18428 event pairs, 38 based on Foata normal form. 219/1906 useless extension candidates. Maximal degree in co-relation 8038. Up to 1090 conditions per place. [2025-03-15 01:53:44,968 INFO L140 encePairwiseOnDemand]: 149/154 looper letters, 118 selfloop transitions, 6 changer transitions 33/345 dead transitions. [2025-03-15 01:53:44,968 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 186 places, 345 transitions, 3047 flow [2025-03-15 01:53:44,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:53:44,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:53:44,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 948 transitions. [2025-03-15 01:53:44,970 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8794063079777366 [2025-03-15 01:53:44,971 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 34 predicate places. [2025-03-15 01:53:44,971 INFO L471 AbstractCegarLoop]: Abstraction has has 186 places, 345 transitions, 3047 flow [2025-03-15 01:53:44,972 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 133.0) internal successors, (798), 6 states have internal predecessors, (798), 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) [2025-03-15 01:53:44,972 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:44,972 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:44,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:45,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:45,173 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:45,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:45,173 INFO L85 PathProgramCache]: Analyzing trace with hash -854532684, now seen corresponding path program 1 times [2025-03-15 01:53:45,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:45,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509699682] [2025-03-15 01:53:45,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:45,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:45,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:53:45,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:45,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509699682] [2025-03-15 01:53:45,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509699682] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:45,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:45,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:45,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430896393] [2025-03-15 01:53:45,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:45,228 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:45,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:45,228 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:45,229 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:45,229 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 129 out of 154 [2025-03-15 01:53:45,230 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 186 places, 345 transitions, 3047 flow. Second operand has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 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) [2025-03-15 01:53:45,230 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:45,230 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 129 of 154 [2025-03-15 01:53:45,230 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:45,483 INFO L124 PetriNetUnfolderBase]: 489/2045 cut-off events. [2025-03-15 01:53:45,483 INFO L125 PetriNetUnfolderBase]: For 12656/20139 co-relation queries the response was YES. [2025-03-15 01:53:45,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9402 conditions, 2045 events. 489/2045 cut-off events. For 12656/20139 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 17320 event pairs, 37 based on Foata normal form. 592/2274 useless extension candidates. Maximal degree in co-relation 8971. Up to 1020 conditions per place. [2025-03-15 01:53:45,499 INFO L140 encePairwiseOnDemand]: 148/154 looper letters, 116 selfloop transitions, 8 changer transitions 33/344 dead transitions. [2025-03-15 01:53:45,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 189 places, 344 transitions, 3309 flow [2025-03-15 01:53:45,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:45,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:45,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 661 transitions. [2025-03-15 01:53:45,503 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8584415584415584 [2025-03-15 01:53:45,503 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 37 predicate places. [2025-03-15 01:53:45,503 INFO L471 AbstractCegarLoop]: Abstraction has has 189 places, 344 transitions, 3309 flow [2025-03-15 01:53:45,504 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 133.0) internal successors, (532), 4 states have internal predecessors, (532), 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) [2025-03-15 01:53:45,504 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:45,504 INFO L221 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:45,504 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:53:45,504 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:45,504 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:45,505 INFO L85 PathProgramCache]: Analyzing trace with hash 1828744734, now seen corresponding path program 1 times [2025-03-15 01:53:45,505 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:45,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433765548] [2025-03-15 01:53:45,505 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:45,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:45,557 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-15 01:53:45,557 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:45,557 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433765548] [2025-03-15 01:53:45,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433765548] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:53:45,557 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:53:45,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:53:45,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314740746] [2025-03-15 01:53:45,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:53:45,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:53:45,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:45,558 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:53:45,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:53:45,559 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 154 [2025-03-15 01:53:45,559 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 189 places, 344 transitions, 3309 flow. Second operand has 4 states, 4 states have (on average 134.25) internal successors, (537), 4 states have internal predecessors, (537), 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) [2025-03-15 01:53:45,559 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:45,559 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 154 [2025-03-15 01:53:45,559 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:45,792 INFO L124 PetriNetUnfolderBase]: 467/1965 cut-off events. [2025-03-15 01:53:45,792 INFO L125 PetriNetUnfolderBase]: For 12102/15843 co-relation queries the response was YES. [2025-03-15 01:53:45,797 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9727 conditions, 1965 events. 467/1965 cut-off events. For 12102/15843 co-relation queries the response was YES. Maximal size of possible extension queue 116. Compared 16605 event pairs, 31 based on Foata normal form. 224/1878 useless extension candidates. Maximal degree in co-relation 9289. Up to 972 conditions per place. [2025-03-15 01:53:45,810 INFO L140 encePairwiseOnDemand]: 148/154 looper letters, 147 selfloop transitions, 8 changer transitions 33/375 dead transitions. [2025-03-15 01:53:45,810 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 192 places, 375 transitions, 4209 flow [2025-03-15 01:53:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:53:45,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:53:45,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 676 transitions. [2025-03-15 01:53:45,813 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8779220779220779 [2025-03-15 01:53:45,814 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 40 predicate places. [2025-03-15 01:53:45,814 INFO L471 AbstractCegarLoop]: Abstraction has has 192 places, 375 transitions, 4209 flow [2025-03-15 01:53:45,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 134.25) internal successors, (537), 4 states have internal predecessors, (537), 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) [2025-03-15 01:53:45,814 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:45,814 INFO L221 CegarLoopForPetriNet]: trace histogram [5, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:45,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:53:45,815 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:45,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:45,815 INFO L85 PathProgramCache]: Analyzing trace with hash -788200527, now seen corresponding path program 1 times [2025-03-15 01:53:45,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:45,815 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004052304] [2025-03-15 01:53:45,815 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:45,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:45,947 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:45,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004052304] [2025-03-15 01:53:45,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004052304] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:45,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [830626905] [2025-03-15 01:53:45,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:45,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:45,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:45,949 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:45,951 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-15 01:53:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:46,033 INFO L256 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-15 01:53:46,039 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:46,173 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:46,174 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:46,341 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:46,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [830626905] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:46,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:46,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-03-15 01:53:46,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635362619] [2025-03-15 01:53:46,341 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:46,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-15 01:53:46,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:46,342 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-15 01:53:46,342 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-03-15 01:53:46,345 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 138 out of 154 [2025-03-15 01:53:46,347 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 192 places, 375 transitions, 4209 flow. Second operand has 13 states, 13 states have (on average 139.30769230769232) internal successors, (1811), 13 states have internal predecessors, (1811), 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) [2025-03-15 01:53:46,347 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:46,347 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 138 of 154 [2025-03-15 01:53:46,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:46,789 INFO L124 PetriNetUnfolderBase]: 612/3101 cut-off events. [2025-03-15 01:53:46,789 INFO L125 PetriNetUnfolderBase]: For 21237/24615 co-relation queries the response was YES. [2025-03-15 01:53:46,803 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15878 conditions, 3101 events. 612/3101 cut-off events. For 21237/24615 co-relation queries the response was YES. Maximal size of possible extension queue 120. Compared 26514 event pairs, 53 based on Foata normal form. 103/2742 useless extension candidates. Maximal degree in co-relation 15412. Up to 1968 conditions per place. [2025-03-15 01:53:46,818 INFO L140 encePairwiseOnDemand]: 150/154 looper letters, 155 selfloop transitions, 99 changer transitions 33/459 dead transitions. [2025-03-15 01:53:46,819 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 459 transitions, 6005 flow [2025-03-15 01:53:46,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-15 01:53:46,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2025-03-15 01:53:46,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1700 transitions. [2025-03-15 01:53:46,822 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9199134199134199 [2025-03-15 01:53:46,822 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 51 predicate places. [2025-03-15 01:53:46,822 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 459 transitions, 6005 flow [2025-03-15 01:53:46,823 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 139.30769230769232) internal successors, (1811), 13 states have internal predecessors, (1811), 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) [2025-03-15 01:53:46,823 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:46,823 INFO L221 CegarLoopForPetriNet]: trace histogram [4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:46,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-15 01:53:47,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-15 01:53:47,024 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:47,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:47,025 INFO L85 PathProgramCache]: Analyzing trace with hash -541155848, now seen corresponding path program 1 times [2025-03-15 01:53:47,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:47,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39090212] [2025-03-15 01:53:47,025 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:47,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:47,121 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:47,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [39090212] [2025-03-15 01:53:47,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [39090212] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:47,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146566783] [2025-03-15 01:53:47,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:47,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:47,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:47,123 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:47,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-15 01:53:47,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:47,199 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-15 01:53:47,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:47,319 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:47,319 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:47,465 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:47,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146566783] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:47,465 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:47,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-03-15 01:53:47,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298404102] [2025-03-15 01:53:47,465 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:47,465 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-15 01:53:47,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:47,466 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-15 01:53:47,466 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2025-03-15 01:53:47,467 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:47,470 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 459 transitions, 6005 flow. Second operand has 15 states, 15 states have (on average 133.6) internal successors, (2004), 15 states have internal predecessors, (2004), 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) [2025-03-15 01:53:47,470 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:47,470 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:47,470 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:48,171 INFO L124 PetriNetUnfolderBase]: 710/3717 cut-off events. [2025-03-15 01:53:48,172 INFO L125 PetriNetUnfolderBase]: For 34222/39317 co-relation queries the response was YES. [2025-03-15 01:53:48,182 INFO L83 FinitePrefix]: Finished finitePrefix Result has 19862 conditions, 3717 events. 710/3717 cut-off events. For 34222/39317 co-relation queries the response was YES. Maximal size of possible extension queue 137. Compared 33189 event pairs, 49 based on Foata normal form. 180/3368 useless extension candidates. Maximal degree in co-relation 19144. Up to 2300 conditions per place. [2025-03-15 01:53:48,196 INFO L140 encePairwiseOnDemand]: 146/154 looper letters, 299 selfloop transitions, 251 changer transitions 47/719 dead transitions. [2025-03-15 01:53:48,196 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 236 places, 719 transitions, 10542 flow [2025-03-15 01:53:48,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-03-15 01:53:48,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2025-03-15 01:53:48,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 4642 transitions. [2025-03-15 01:53:48,203 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8865546218487395 [2025-03-15 01:53:48,203 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 84 predicate places. [2025-03-15 01:53:48,203 INFO L471 AbstractCegarLoop]: Abstraction has has 236 places, 719 transitions, 10542 flow [2025-03-15 01:53:48,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 133.6) internal successors, (2004), 15 states have internal predecessors, (2004), 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) [2025-03-15 01:53:48,204 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:48,204 INFO L221 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:48,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:48,405 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:48,405 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:48,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:48,405 INFO L85 PathProgramCache]: Analyzing trace with hash -33088040, now seen corresponding path program 1 times [2025-03-15 01:53:48,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:48,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717120515] [2025-03-15 01:53:48,406 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:48,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:48,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:48,513 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:48,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:48,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717120515] [2025-03-15 01:53:48,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1717120515] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:48,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1487564710] [2025-03-15 01:53:48,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:48,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:48,516 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:48,517 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-15 01:53:48,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:48,585 INFO L256 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-15 01:53:48,587 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:48,692 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:48,837 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:48,837 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1487564710] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:48,837 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:48,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2025-03-15 01:53:48,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612515484] [2025-03-15 01:53:48,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:48,838 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-03-15 01:53:48,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:48,838 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-03-15 01:53:48,839 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=208, Unknown=0, NotChecked=0, Total=306 [2025-03-15 01:53:48,839 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:48,841 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 236 places, 719 transitions, 10542 flow. Second operand has 18 states, 18 states have (on average 133.72222222222223) internal successors, (2407), 18 states have internal predecessors, (2407), 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) [2025-03-15 01:53:48,841 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:48,841 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:48,841 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:50,352 INFO L124 PetriNetUnfolderBase]: 1187/6878 cut-off events. [2025-03-15 01:53:50,352 INFO L125 PetriNetUnfolderBase]: For 68272/75449 co-relation queries the response was YES. [2025-03-15 01:53:50,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 37620 conditions, 6878 events. 1187/6878 cut-off events. For 68272/75449 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 72737 event pairs, 111 based on Foata normal form. 257/6183 useless extension candidates. Maximal degree in co-relation 35948. Up to 4543 conditions per place. [2025-03-15 01:53:50,409 INFO L140 encePairwiseOnDemand]: 147/154 looper letters, 419 selfloop transitions, 569 changer transitions 99/1209 dead transitions. [2025-03-15 01:53:50,409 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 288 places, 1209 transitions, 21318 flow [2025-03-15 01:53:50,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2025-03-15 01:53:50,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2025-03-15 01:53:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 7332 transitions. [2025-03-15 01:53:50,417 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8983092379318794 [2025-03-15 01:53:50,418 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 136 predicate places. [2025-03-15 01:53:50,418 INFO L471 AbstractCegarLoop]: Abstraction has has 288 places, 1209 transitions, 21318 flow [2025-03-15 01:53:50,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 133.72222222222223) internal successors, (2407), 18 states have internal predecessors, (2407), 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) [2025-03-15 01:53:50,419 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:50,419 INFO L221 CegarLoopForPetriNet]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:50,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-15 01:53:50,623 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:50,623 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:50,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:50,624 INFO L85 PathProgramCache]: Analyzing trace with hash -903790854, now seen corresponding path program 1 times [2025-03-15 01:53:50,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:50,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083683915] [2025-03-15 01:53:50,624 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:50,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:50,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:50,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:50,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:50,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083683915] [2025-03-15 01:53:50,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083683915] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:50,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623392137] [2025-03-15 01:53:50,804 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:50,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:50,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:50,806 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:50,807 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-15 01:53:50,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:50,884 INFO L256 TraceCheckSpWp]: Trace formula consists of 226 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-15 01:53:50,885 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:50,986 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:50,986 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:51,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623392137] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:51,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:51,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2025-03-15 01:53:51,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23391603] [2025-03-15 01:53:51,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:51,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-03-15 01:53:51,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:51,148 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-03-15 01:53:51,148 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=237, Unknown=0, NotChecked=0, Total=342 [2025-03-15 01:53:51,149 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:51,151 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 288 places, 1209 transitions, 21318 flow. Second operand has 19 states, 19 states have (on average 133.68421052631578) internal successors, (2540), 19 states have internal predecessors, (2540), 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) [2025-03-15 01:53:51,151 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:51,151 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:51,151 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:53:53,751 INFO L124 PetriNetUnfolderBase]: 1909/10977 cut-off events. [2025-03-15 01:53:53,752 INFO L125 PetriNetUnfolderBase]: For 138630/153031 co-relation queries the response was YES. [2025-03-15 01:53:53,796 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63241 conditions, 10977 events. 1909/10977 cut-off events. For 138630/153031 co-relation queries the response was YES. Maximal size of possible extension queue 299. Compared 129954 event pairs, 190 based on Foata normal form. 727/10237 useless extension candidates. Maximal degree in co-relation 60369. Up to 7178 conditions per place. [2025-03-15 01:53:53,852 INFO L140 encePairwiseOnDemand]: 146/154 looper letters, 664 selfloop transitions, 988 changer transitions 157/1931 dead transitions. [2025-03-15 01:53:53,853 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 348 places, 1931 transitions, 39157 flow [2025-03-15 01:53:53,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2025-03-15 01:53:53,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2025-03-15 01:53:53,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 8432 transitions. [2025-03-15 01:53:53,861 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.897594209069619 [2025-03-15 01:53:53,862 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 196 predicate places. [2025-03-15 01:53:53,862 INFO L471 AbstractCegarLoop]: Abstraction has has 348 places, 1931 transitions, 39157 flow [2025-03-15 01:53:53,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 133.68421052631578) internal successors, (2540), 19 states have internal predecessors, (2540), 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) [2025-03-15 01:53:53,863 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:53:53,863 INFO L221 CegarLoopForPetriNet]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:53:53,872 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-15 01:53:54,067 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-15 01:53:54,067 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:53:54,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:53:54,068 INFO L85 PathProgramCache]: Analyzing trace with hash -1842037258, now seen corresponding path program 1 times [2025-03-15 01:53:54,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:53:54,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263735965] [2025-03-15 01:53:54,068 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:53:54,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,322 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:54,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:53:54,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263735965] [2025-03-15 01:53:54,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263735965] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:53:54,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [148052150] [2025-03-15 01:53:54,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:53:54,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:53:54,322 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:53:54,324 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:53:54,325 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-15 01:53:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:53:54,400 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-15 01:53:54,403 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:53:54,529 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:54,529 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:53:54,785 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:53:54,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [148052150] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:53:54,785 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:53:54,785 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 29 [2025-03-15 01:53:54,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958965255] [2025-03-15 01:53:54,787 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:53:54,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2025-03-15 01:53:54,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:53:54,788 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2025-03-15 01:53:54,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=240, Invalid=630, Unknown=0, NotChecked=0, Total=870 [2025-03-15 01:53:54,790 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:53:54,795 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 348 places, 1931 transitions, 39157 flow. Second operand has 30 states, 30 states have (on average 133.7) internal successors, (4011), 30 states have internal predecessors, (4011), 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) [2025-03-15 01:53:54,795 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:53:54,795 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:53:54,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:05,119 INFO L124 PetriNetUnfolderBase]: 5135/32381 cut-off events. [2025-03-15 01:54:05,120 INFO L125 PetriNetUnfolderBase]: For 439444/474670 co-relation queries the response was YES. [2025-03-15 01:54:05,294 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188654 conditions, 32381 events. 5135/32381 cut-off events. For 439444/474670 co-relation queries the response was YES. Maximal size of possible extension queue 565. Compared 446553 event pairs, 562 based on Foata normal form. 1498/29609 useless extension candidates. Maximal degree in co-relation 178824. Up to 21738 conditions per place. [2025-03-15 01:54:05,459 INFO L140 encePairwiseOnDemand]: 147/154 looper letters, 1514 selfloop transitions, 2924 changer transitions 509/5069 dead transitions. [2025-03-15 01:54:05,459 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 484 places, 5069 transitions, 117607 flow [2025-03-15 01:54:05,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2025-03-15 01:54:05,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2025-03-15 01:54:05,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 19098 transitions. [2025-03-15 01:54:05,473 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9052042847663285 [2025-03-15 01:54:05,474 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 332 predicate places. [2025-03-15 01:54:05,474 INFO L471 AbstractCegarLoop]: Abstraction has has 484 places, 5069 transitions, 117607 flow [2025-03-15 01:54:05,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 133.7) internal successors, (4011), 30 states have internal predecessors, (4011), 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) [2025-03-15 01:54:05,475 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:05,475 INFO L221 CegarLoopForPetriNet]: trace histogram [11, 11, 10, 10, 10, 10, 10, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:05,483 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-03-15 01:54:05,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2025-03-15 01:54:05,676 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:54:05,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:05,677 INFO L85 PathProgramCache]: Analyzing trace with hash 144345108, now seen corresponding path program 2 times [2025-03-15 01:54:05,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:05,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644362710] [2025-03-15 01:54:05,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:05,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:05,698 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:05,699 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:06,069 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:06,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:06,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644362710] [2025-03-15 01:54:06,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [644362710] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:54:06,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344184939] [2025-03-15 01:54:06,069 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:06,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:54:06,069 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:06,073 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:54:06,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-15 01:54:06,168 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:54:06,168 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:06,169 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-03-15 01:54:06,171 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:54:06,315 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:06,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:54:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 137 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:54:06,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344184939] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:54:06,682 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:54:06,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2025-03-15 01:54:06,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [690979524] [2025-03-15 01:54:06,682 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:54:06,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2025-03-15 01:54:06,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:06,683 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2025-03-15 01:54:06,683 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=433, Invalid=757, Unknown=0, NotChecked=0, Total=1190 [2025-03-15 01:54:06,685 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:54:06,687 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 484 places, 5069 transitions, 117607 flow. Second operand has 35 states, 35 states have (on average 133.37142857142857) internal successors, (4668), 35 states have internal predecessors, (4668), 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) [2025-03-15 01:54:06,687 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:06,687 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:54:06,687 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:55:06,029 INFO L124 PetriNetUnfolderBase]: 13316/93119 cut-off events. [2025-03-15 01:55:06,029 INFO L125 PetriNetUnfolderBase]: For 1218604/1300735 co-relation queries the response was YES. [2025-03-15 01:55:06,496 INFO L83 FinitePrefix]: Finished finitePrefix Result has 556527 conditions, 93119 events. 13316/93119 cut-off events. For 1218604/1300735 co-relation queries the response was YES. Maximal size of possible extension queue 1405. Compared 1457900 event pairs, 1566 based on Foata normal form. 4734/85968 useless extension candidates. Maximal degree in co-relation 532500. Up to 67710 conditions per place. [2025-03-15 01:55:06,940 INFO L140 encePairwiseOnDemand]: 146/154 looper letters, 4831 selfloop transitions, 9065 changer transitions 1193/15211 dead transitions. [2025-03-15 01:55:06,941 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 628 places, 15211 transitions, 382151 flow [2025-03-15 01:55:06,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2025-03-15 01:55:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2025-03-15 01:55:06,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 20032 transitions. [2025-03-15 01:55:06,949 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.897089117778773 [2025-03-15 01:55:06,950 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 476 predicate places. [2025-03-15 01:55:06,950 INFO L471 AbstractCegarLoop]: Abstraction has has 628 places, 15211 transitions, 382151 flow [2025-03-15 01:55:06,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 133.37142857142857) internal successors, (4668), 35 states have internal predecessors, (4668), 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) [2025-03-15 01:55:06,951 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:55:06,952 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 9, 9, 9, 9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:55:06,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-03-15 01:55:07,152 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2025-03-15 01:55:07,152 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 01:55:07,153 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:55:07,153 INFO L85 PathProgramCache]: Analyzing trace with hash -1860784974, now seen corresponding path program 2 times [2025-03-15 01:55:07,153 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:55:07,154 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704238882] [2025-03-15 01:55:07,154 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:07,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:55:07,184 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:55:07,184 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:07,531 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:07,531 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:55:07,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704238882] [2025-03-15 01:55:07,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704238882] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 01:55:07,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [667078163] [2025-03-15 01:55:07,531 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:55:07,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 01:55:07,532 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:55:07,533 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 01:55:07,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-15 01:55:07,624 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-15 01:55:07,624 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:55:07,625 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-03-15 01:55:07,627 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 01:55:07,786 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:07,786 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 01:55:08,138 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:55:08,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [667078163] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 01:55:08,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 01:55:08,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 41 [2025-03-15 01:55:08,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326795479] [2025-03-15 01:55:08,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 01:55:08,139 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2025-03-15 01:55:08,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:55:08,140 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2025-03-15 01:55:08,140 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=510, Invalid=1212, Unknown=0, NotChecked=0, Total=1722 [2025-03-15 01:55:08,142 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 01:55:08,144 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 628 places, 15211 transitions, 382151 flow. Second operand has 42 states, 42 states have (on average 133.5) internal successors, (5607), 42 states have internal predecessors, (5607), 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) [2025-03-15 01:55:08,144 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:55:08,144 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 01:55:08,144 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 02:04:12,347 INFO L124 PetriNetUnfolderBase]: 33963/243424 cut-off events. [2025-03-15 02:04:12,348 INFO L125 PetriNetUnfolderBase]: For 3668971/3874594 co-relation queries the response was YES. [2025-03-15 02:04:13,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1484506 conditions, 243424 events. 33963/243424 cut-off events. For 3668971/3874594 co-relation queries the response was YES. Maximal size of possible extension queue 3080. Compared 4378879 event pairs, 4511 based on Foata normal form. 11655/223424 useless extension candidates. Maximal degree in co-relation 1405938. Up to 174261 conditions per place. [2025-03-15 02:04:15,348 INFO L140 encePairwiseOnDemand]: 146/154 looper letters, 10756 selfloop transitions, 23419 changer transitions 3733/38030 dead transitions. [2025-03-15 02:04:15,348 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 870 places, 38030 transitions, 1039759 flow [2025-03-15 02:04:15,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2025-03-15 02:04:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2025-03-15 02:04:15,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 33784 transitions. [2025-03-15 02:04:15,396 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9027844583400139 [2025-03-15 02:04:15,400 INFO L298 CegarLoopForPetriNet]: 152 programPoint places, 718 predicate places. [2025-03-15 02:04:15,400 INFO L471 AbstractCegarLoop]: Abstraction has has 870 places, 38030 transitions, 1039759 flow [2025-03-15 02:04:15,406 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 133.5) internal successors, (5607), 42 states have internal predecessors, (5607), 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) [2025-03-15 02:04:15,406 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 02:04:15,406 INFO L221 CegarLoopForPetriNet]: trace histogram [10, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:04:15,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-15 02:04:15,612 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-15 02:04:15,612 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] === [2025-03-15 02:04:15,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 02:04:15,614 INFO L85 PathProgramCache]: Analyzing trace with hash 1790842819, now seen corresponding path program 3 times [2025-03-15 02:04:15,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 02:04:15,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [833587015] [2025-03-15 02:04:15,615 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:04:15,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 02:04:15,796 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-15 02:04:15,796 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:16,492 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:16,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 02:04:16,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [833587015] [2025-03-15 02:04:16,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [833587015] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-15 02:04:16,493 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [230761383] [2025-03-15 02:04:16,493 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 02:04:16,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-15 02:04:16,493 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 02:04:16,499 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-15 02:04:16,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-15 02:04:16,641 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2025-03-15 02:04:16,642 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 02:04:16,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-03-15 02:04:16,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-15 02:04:16,870 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:16,870 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-15 02:04:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 0 proven. 152 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 02:04:17,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [230761383] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-15 02:04:17,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-15 02:04:17,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2025-03-15 02:04:17,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593859354] [2025-03-15 02:04:17,399 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-15 02:04:17,400 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-03-15 02:04:17,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 02:04:17,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-03-15 02:04:17,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=617, Invalid=1545, Unknown=0, NotChecked=0, Total=2162 [2025-03-15 02:04:17,409 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 154 [2025-03-15 02:04:17,416 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 870 places, 38030 transitions, 1039759 flow. Second operand has 47 states, 47 states have (on average 133.48936170212767) internal successors, (6274), 47 states have internal predecessors, (6274), 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) [2025-03-15 02:04:17,417 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 02:04:17,417 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 154 [2025-03-15 02:04:17,417 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2025-03-15 02:06:02,716 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:06:02,720 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-03-15 02:06:02,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2025-03-15 02:06:02,736 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 13 remaining) [2025-03-15 02:06:02,750 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-15 02:06:02,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-15 02:06:02,941 WARN L596 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining) [2025-03-15 02:06:02,946 INFO L782 garLoopResultBuilder]: Registering result TIMEOUT for location thread_function_dataraceErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining) [2025-03-15 02:06:02,947 INFO L422 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 02:06:02,964 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 02:06:02,964 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 02:06:02,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 02:06:02 BasicIcfg [2025-03-15 02:06:02,974 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 02:06:02,976 INFO L158 Benchmark]: Toolchain (without parser) took 743418.84ms. Allocated memory was 71.3MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 42.3MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2025-03-15 02:06:02,978 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:06:02,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.78ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 28.3MB in the end (delta: 13.9MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. [2025-03-15 02:06:02,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.42ms. Allocated memory is still 71.3MB. Free memory was 28.3MB in the beginning and 26.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 02:06:02,979 INFO L158 Benchmark]: Boogie Preprocessor took 28.59ms. Allocated memory is still 71.3MB. Free memory was 26.1MB in the beginning and 24.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 02:06:02,979 INFO L158 Benchmark]: RCFGBuilder took 333.19ms. Allocated memory is still 71.3MB. Free memory was 24.5MB in the beginning and 32.8MB in the end (delta: -8.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2025-03-15 02:06:02,980 INFO L158 Benchmark]: TraceAbstraction took 742488.87ms. Allocated memory was 71.3MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 31.8MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. [2025-03-15 02:06:02,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory is still 33.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 516.78ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 28.3MB in the end (delta: 13.9MB). Peak memory consumption was 30.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.42ms. Allocated memory is still 71.3MB. Free memory was 28.3MB in the beginning and 26.1MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 28.59ms. Allocated memory is still 71.3MB. Free memory was 26.1MB in the beginning and 24.8MB in the end (delta: 1.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 333.19ms. Allocated memory is still 71.3MB. Free memory was 24.5MB in the beginning and 32.8MB in the end (delta: -8.3MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 742488.87ms. Allocated memory was 71.3MB in the beginning and 4.3GB in the end (delta: 4.2GB). Free memory was 31.8MB in the beginning and 1.8GB in the end (delta: -1.8GB). Peak memory consumption was 3.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 1355]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1355]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1352]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1352]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1342]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1330]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1330]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1325]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - TimeoutResultAtElement [Line: 1325]: Timeout (TraceAbstraction) Unable to prove that integer overflow can never occur Cancelled while CegarLoopForPetriNet was enhancing Floyd-Hoare automaton (47states, 132/154 universal loopers) in iteration 17,while PetriNetUnfolder was constructing finite prefix that currently has 54926 conditions, 7772 events (1241/7771 cut-off events. For 294355/318611 co-relation queries the response was YES. Maximal size of possible extension queue 741. Compared 105766 event pairs, 103 based on Foata normal form. 807/8486 useless extension candidates. Maximal degree in co-relation 52897. Up to 4741 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 174 locations, 13 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 742.4s, OverallIterations: 17, TraceHistogramMax: 11, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 731.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5629 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5629 mSDsluCounter, 289 SdHoareTripleChecker+Invalid, 2.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 225 mSDsCounter, 697 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3540 IncrementalHoareTripleChecker+Invalid, 4237 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 697 mSolverCounterUnsat, 64 mSDtfsCounter, 3540 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3617 GetRequests, 2775 SyntacticMatches, 1 SemanticMatches, 841 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49997 ImplicationChecksByTransitivity, 8.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1039759occurred in iteration=16, InterpolantAutomatonStates: 748, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 3643 NumberOfCodeBlocks, 3643 NumberOfCodeBlocksAsserted, 41 NumberOfCheckSat, 4908 ConstructedInterpolants, 0 QuantifiedInterpolants, 12854 SizeOfPredicates, 39 NumberOfNonLiveVariables, 2882 ConjunctsInSsa, 124 ConjunctsInUnsatCore, 38 InterpolantComputations, 8 PerfectInterpolantSequences, 33/1541 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown