/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-wmm/mix051_pso.opt_rmo.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:38:07,384 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:38:07,468 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 01:38:07,488 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:38:07,489 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:38:07,489 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:38:07,489 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:38:07,490 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:38:07,490 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:38:07,491 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:07,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:38:07,491 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:38:07,491 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 01:38:07,768 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:38:07,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:38:07,776 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:38:07,776 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:38:07,777 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:38:07,777 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2025-03-15 01:38:08,955 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138946622/d95e3efd69204d9390d39341fc707fe2/FLAG0f77af1bb [2025-03-15 01:38:09,158 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:38:09,159 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix051_pso.opt_rmo.opt_tso.opt.i [2025-03-15 01:38:09,177 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138946622/d95e3efd69204d9390d39341fc707fe2/FLAG0f77af1bb [2025-03-15 01:38:09,510 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/138946622/d95e3efd69204d9390d39341fc707fe2 [2025-03-15 01:38:09,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:38:09,512 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:38:09,513 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:09,513 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:38:09,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:38:09,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,517 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6deb3d13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09, skipping insertion in model container [2025-03-15 01:38:09,517 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,546 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:38:09,816 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:09,827 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:38:09,876 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:09,908 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:38:09,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09 WrapperNode [2025-03-15 01:38:09,908 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:09,909 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:09,909 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:38:09,909 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:38:09,914 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,927 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,972 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 133 [2025-03-15 01:38:09,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:09,973 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:38:09,973 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:38:09,973 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:38:09,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,982 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,983 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,991 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,996 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,997 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,998 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:09,999 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:10,000 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:38:10,001 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:38:10,001 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:38:10,001 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:38:10,002 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (1/1) ... [2025-03-15 01:38:10,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:10,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:38:10,040 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 01:38:10,045 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 01:38:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:38:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:38:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:38:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:38:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:38:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:38:10,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:38:10,064 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 01:38:10,170 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:38:10,173 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:38:10,436 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:38:10,436 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:38:10,577 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:38:10,578 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:38:10,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:10 BoogieIcfgContainer [2025-03-15 01:38:10,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:38:10,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:38:10,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:38:10,583 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:38:10,583 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:38:09" (1/3) ... [2025-03-15 01:38:10,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532ec839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:10, skipping insertion in model container [2025-03-15 01:38:10,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:09" (2/3) ... [2025-03-15 01:38:10,584 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@532ec839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:10, skipping insertion in model container [2025-03-15 01:38:10,584 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:10" (3/3) ... [2025-03-15 01:38:10,585 INFO L128 eAbstractionObserver]: Analyzing ICFG mix051_pso.opt_rmo.opt_tso.opt.i [2025-03-15 01:38:10,595 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:38:10,597 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix051_pso.opt_rmo.opt_tso.opt.i that has 5 procedures, 132 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:38:10,597 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:38:10,660 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:38:10,699 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:38:10,711 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;@2a218657, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:38:10,711 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:38:10,740 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:38:10,741 INFO L124 PetriNetUnfolderBase]: 0/52 cut-off events. [2025-03-15 01:38:10,742 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:38:10,742 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:10,743 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] [2025-03-15 01:38:10,743 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:10,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:10,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1467062654, now seen corresponding path program 1 times [2025-03-15 01:38:10,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:10,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430373148] [2025-03-15 01:38:10,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:10,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:10,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:10,994 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 01:38:10,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:10,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430373148] [2025-03-15 01:38:10,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430373148] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:10,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:10,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:38:10,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388698383] [2025-03-15 01:38:10,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:11,001 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:38:11,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:11,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:38:11,022 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:38:11,023 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2025-03-15 01:38:11,029 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 134 transitions, 284 flow. Second operand has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 01:38:11,029 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:11,029 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2025-03-15 01:38:11,030 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:11,813 INFO L124 PetriNetUnfolderBase]: 2210/3917 cut-off events. [2025-03-15 01:38:11,813 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:38:11,828 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7222 conditions, 3917 events. 2210/3917 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 418. Compared 30423 event pairs, 1786 based on Foata normal form. 785/3297 useless extension candidates. Maximal degree in co-relation 7169. Up to 3146 conditions per place. [2025-03-15 01:38:11,868 INFO L140 encePairwiseOnDemand]: 118/134 looper letters, 29 selfloop transitions, 5 changer transitions 0/137 dead transitions. [2025-03-15 01:38:11,869 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 137 transitions, 363 flow [2025-03-15 01:38:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:38:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:38:11,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 372 transitions. [2025-03-15 01:38:11,880 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9253731343283582 [2025-03-15 01:38:11,883 INFO L298 CegarLoopForPetriNet]: 144 programPoint places, -4 predicate places. [2025-03-15 01:38:11,883 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 137 transitions, 363 flow [2025-03-15 01:38:11,883 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.0) internal successors, (327), 3 states have internal predecessors, (327), 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 01:38:11,883 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:11,883 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] [2025-03-15 01:38:11,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:38:11,883 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:11,884 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:11,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1800788529, now seen corresponding path program 1 times [2025-03-15 01:38:11,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:11,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158052771] [2025-03-15 01:38:11,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:11,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:12,019 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 01:38:12,019 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:12,019 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158052771] [2025-03-15 01:38:12,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158052771] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:12,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:12,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:12,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549042008] [2025-03-15 01:38:12,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:12,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:12,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:12,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:12,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:12,024 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2025-03-15 01:38:12,024 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 137 transitions, 363 flow. Second operand has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 01:38:12,024 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:12,024 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2025-03-15 01:38:12,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:12,418 INFO L124 PetriNetUnfolderBase]: 968/1918 cut-off events. [2025-03-15 01:38:12,419 INFO L125 PetriNetUnfolderBase]: For 200/508 co-relation queries the response was YES. [2025-03-15 01:38:12,427 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4829 conditions, 1918 events. 968/1918 cut-off events. For 200/508 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 13485 event pairs, 646 based on Foata normal form. 8/1490 useless extension candidates. Maximal degree in co-relation 4773. Up to 1378 conditions per place. [2025-03-15 01:38:12,442 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 25 selfloop transitions, 5 changer transitions 0/133 dead transitions. [2025-03-15 01:38:12,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 133 transitions, 407 flow [2025-03-15 01:38:12,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:12,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:12,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 466 transitions. [2025-03-15 01:38:12,445 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8694029850746269 [2025-03-15 01:38:12,445 INFO L298 CegarLoopForPetriNet]: 144 programPoint places, -5 predicate places. [2025-03-15 01:38:12,446 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 133 transitions, 407 flow [2025-03-15 01:38:12,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 01:38:12,446 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:12,446 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] [2025-03-15 01:38:12,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:38:12,446 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:12,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:12,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1800788530, now seen corresponding path program 1 times [2025-03-15 01:38:12,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:12,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541583774] [2025-03-15 01:38:12,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:12,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:12,567 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 01:38:12,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:12,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541583774] [2025-03-15 01:38:12,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541583774] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:12,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:12,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:12,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125238991] [2025-03-15 01:38:12,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:12,567 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:12,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:12,568 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:12,568 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:12,569 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2025-03-15 01:38:12,569 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 133 transitions, 407 flow. Second operand has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 01:38:12,569 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:12,569 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2025-03-15 01:38:12,569 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:12,749 INFO L124 PetriNetUnfolderBase]: 472/1148 cut-off events. [2025-03-15 01:38:12,749 INFO L125 PetriNetUnfolderBase]: For 327/651 co-relation queries the response was YES. [2025-03-15 01:38:12,752 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3393 conditions, 1148 events. 472/1148 cut-off events. For 327/651 co-relation queries the response was YES. Maximal size of possible extension queue 97. Compared 7576 event pairs, 88 based on Foata normal form. 8/1012 useless extension candidates. Maximal degree in co-relation 3334. Up to 692 conditions per place. [2025-03-15 01:38:12,759 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 32 selfloop transitions, 9 changer transitions 0/144 dead transitions. [2025-03-15 01:38:12,759 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 144 transitions, 561 flow [2025-03-15 01:38:12,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:12,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:12,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 477 transitions. [2025-03-15 01:38:12,761 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8899253731343284 [2025-03-15 01:38:12,761 INFO L298 CegarLoopForPetriNet]: 144 programPoint places, -2 predicate places. [2025-03-15 01:38:12,761 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 144 transitions, 561 flow [2025-03-15 01:38:12,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.25) internal successors, (437), 4 states have internal predecessors, (437), 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 01:38:12,762 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:12,762 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] [2025-03-15 01:38:12,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:38:12,762 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:12,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:12,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1282978831, now seen corresponding path program 1 times [2025-03-15 01:38:12,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:12,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1174861046] [2025-03-15 01:38:12,763 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:12,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:12,898 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 01:38:12,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:12,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1174861046] [2025-03-15 01:38:12,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1174861046] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:12,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:12,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:38:12,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164683879] [2025-03-15 01:38:12,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:12,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:38:12,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:12,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:38:12,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:38:12,900 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2025-03-15 01:38:12,902 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 144 transitions, 561 flow. Second operand has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 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 01:38:12,902 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:12,902 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2025-03-15 01:38:12,902 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:13,107 INFO L124 PetriNetUnfolderBase]: 334/962 cut-off events. [2025-03-15 01:38:13,107 INFO L125 PetriNetUnfolderBase]: For 586/1142 co-relation queries the response was YES. [2025-03-15 01:38:13,110 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3045 conditions, 962 events. 334/962 cut-off events. For 586/1142 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 6172 event pairs, 37 based on Foata normal form. 22/932 useless extension candidates. Maximal degree in co-relation 2983. Up to 470 conditions per place. [2025-03-15 01:38:13,116 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 34 selfloop transitions, 13 changer transitions 4/154 dead transitions. [2025-03-15 01:38:13,116 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 154 transitions, 746 flow [2025-03-15 01:38:13,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:38:13,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:38:13,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 595 transitions. [2025-03-15 01:38:13,118 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8880597014925373 [2025-03-15 01:38:13,119 INFO L298 CegarLoopForPetriNet]: 144 programPoint places, 2 predicate places. [2025-03-15 01:38:13,119 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 154 transitions, 746 flow [2025-03-15 01:38:13,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 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 01:38:13,119 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:13,119 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] [2025-03-15 01:38:13,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:38:13,120 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:13,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:13,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1392747474, now seen corresponding path program 1 times [2025-03-15 01:38:13,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:13,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660116031] [2025-03-15 01:38:13,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:13,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:13,342 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 01:38:13,343 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:13,343 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660116031] [2025-03-15 01:38:13,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660116031] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:13,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:13,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:38:13,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637776101] [2025-03-15 01:38:13,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:13,343 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:38:13,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:13,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:38:13,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:38:13,344 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 134 [2025-03-15 01:38:13,345 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 154 transitions, 746 flow. Second operand has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 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 01:38:13,345 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:13,345 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 134 [2025-03-15 01:38:13,345 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:13,540 INFO L124 PetriNetUnfolderBase]: 326/920 cut-off events. [2025-03-15 01:38:13,541 INFO L125 PetriNetUnfolderBase]: For 1017/1573 co-relation queries the response was YES. [2025-03-15 01:38:13,543 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3413 conditions, 920 events. 326/920 cut-off events. For 1017/1573 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 5699 event pairs, 55 based on Foata normal form. 20/909 useless extension candidates. Maximal degree in co-relation 3348. Up to 450 conditions per place. [2025-03-15 01:38:13,546 INFO L140 encePairwiseOnDemand]: 125/134 looper letters, 0 selfloop transitions, 0 changer transitions 152/152 dead transitions. [2025-03-15 01:38:13,546 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 152 transitions, 824 flow [2025-03-15 01:38:13,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:38:13,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:38:13,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 701 transitions. [2025-03-15 01:38:13,548 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8718905472636815 [2025-03-15 01:38:13,548 INFO L298 CegarLoopForPetriNet]: 144 programPoint places, 3 predicate places. [2025-03-15 01:38:13,548 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 152 transitions, 824 flow [2025-03-15 01:38:13,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 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 01:38:13,559 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix051_pso.opt_rmo.opt_tso.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:38:13,577 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:38:13,578 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:38:13,579 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:38:13,579 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:38:13,579 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:38:13,585 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:38:13,585 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:38:13,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:38:13 BasicIcfg [2025-03-15 01:38:13,589 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:38:13,590 INFO L158 Benchmark]: Toolchain (without parser) took 4077.39ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 42.9MB in the beginning and 159.9MB in the end (delta: -117.0MB). Peak memory consumption was 196.1MB. Max. memory is 8.0GB. [2025-03-15 01:38:13,590 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:13,590 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 19.7MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:38:13,590 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.60ms. Allocated memory is still 71.3MB. Free memory was 19.6MB in the beginning and 43.3MB in the end (delta: -23.7MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 01:38:13,590 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:13,591 INFO L158 Benchmark]: RCFGBuilder took 577.06ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 30.9MB in the end (delta: 10.8MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. [2025-03-15 01:38:13,591 INFO L158 Benchmark]: TraceAbstraction took 3009.41ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 29.7MB in the beginning and 159.9MB in the end (delta: -130.2MB). Peak memory consumption was 183.5MB. Max. memory is 8.0GB. [2025-03-15 01:38:13,592 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory was 33.3MB in the beginning and 33.3MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 395.43ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 19.7MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.60ms. Allocated memory is still 71.3MB. Free memory was 19.6MB in the beginning and 43.3MB in the end (delta: -23.7MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 41.7MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 577.06ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 30.9MB in the end (delta: 10.8MB). Peak memory consumption was 31.9MB. Max. memory is 8.0GB. * TraceAbstraction took 3009.41ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 29.7MB in the beginning and 159.9MB in the end (delta: -130.2MB). Peak memory consumption was 183.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 758]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 773]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 176 locations, 20 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: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 95 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 95 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 270 IncrementalHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 270 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=824occurred in iteration=5, InterpolantAutomatonStates: 22, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 319 ConstructedInterpolants, 0 QuantifiedInterpolants, 897 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:38:13,604 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...