/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/safe021_power.opt_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:39:22,619 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:39:22,708 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 01:39:22,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:39:22,732 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:39:22,732 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:39:22,733 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:39:22,733 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:39:22,733 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:39:22,733 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:39:22,734 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:39:22,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:39:22,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:22,735 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:39:22,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:39:22,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:39:22,736 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:39:22,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:39:22,736 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:39:22,736 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 01:39:22,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:39:23,003 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:39:23,005 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:39:23,009 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:39:23,010 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:39:23,013 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe021_power.opt_pso.opt.i [2025-03-15 01:39:24,239 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a058e85/8ebaa6ab5a8d4838ac2eef534dbc28bf/FLAG645dc5eea [2025-03-15 01:39:24,450 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:39:24,451 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe021_power.opt_pso.opt.i [2025-03-15 01:39:24,468 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a058e85/8ebaa6ab5a8d4838ac2eef534dbc28bf/FLAG645dc5eea [2025-03-15 01:39:24,485 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30a058e85/8ebaa6ab5a8d4838ac2eef534dbc28bf [2025-03-15 01:39:24,487 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:39:24,489 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:39:24,491 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:24,492 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:39:24,494 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:39:24,495 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,496 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@457f2d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24, skipping insertion in model container [2025-03-15 01:39:24,496 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,531 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:39:24,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:24,779 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:39:24,841 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:24,871 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:39:24,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24 WrapperNode [2025-03-15 01:39:24,873 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:24,874 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:24,874 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:39:24,874 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:39:24,879 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,895 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,950 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 140 [2025-03-15 01:39:24,951 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:24,951 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:39:24,951 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:39:24,951 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:39:24,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,962 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,968 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,976 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,978 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,986 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:24,994 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:39:24,994 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:39:24,995 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:39:24,995 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:39:24,996 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (1/1) ... [2025-03-15 01:39:25,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:25,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:39:25,058 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 01:39:25,061 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 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:39:25,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:39:25,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:39:25,082 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 01:39:25,175 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:39:25,177 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:39:25,458 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:39:25,458 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:39:25,594 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:39:25,595 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:39:25,595 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:25 BoogieIcfgContainer [2025-03-15 01:39:25,595 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:39:25,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:39:25,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:39:25,601 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:39:25,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:39:24" (1/3) ... [2025-03-15 01:39:25,602 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0fe700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:25, skipping insertion in model container [2025-03-15 01:39:25,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:24" (2/3) ... [2025-03-15 01:39:25,603 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0fe700 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:25, skipping insertion in model container [2025-03-15 01:39:25,603 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:25" (3/3) ... [2025-03-15 01:39:25,604 INFO L128 eAbstractionObserver]: Analyzing ICFG safe021_power.opt_pso.opt.i [2025-03-15 01:39:25,615 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:39:25,617 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG safe021_power.opt_pso.opt.i that has 4 procedures, 111 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:39:25,617 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:39:25,668 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:39:25,693 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:39:25,700 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;@1deecbf6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:39:25,701 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:39:25,722 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:39:25,722 INFO L124 PetriNetUnfolderBase]: 0/48 cut-off events. [2025-03-15 01:39:25,723 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:39:25,723 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:25,724 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] [2025-03-15 01:39:25,724 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:25,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:25,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1745296085, now seen corresponding path program 1 times [2025-03-15 01:39:25,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:25,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629787737] [2025-03-15 01:39:25,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:25,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:25,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:26,031 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 01:39:26,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:26,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1629787737] [2025-03-15 01:39:26,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1629787737] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:26,032 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:26,032 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:39:26,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98107094] [2025-03-15 01:39:26,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:26,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:39:26,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:26,063 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:39:26,063 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:39:26,065 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2025-03-15 01:39:26,071 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 113 transitions, 238 flow. Second operand has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 01:39:26,071 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:26,071 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2025-03-15 01:39:26,072 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:26,577 INFO L124 PetriNetUnfolderBase]: 586/2098 cut-off events. [2025-03-15 01:39:26,580 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-15 01:39:26,597 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3077 conditions, 2098 events. 586/2098 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 17647 event pairs, 353 based on Foata normal form. 167/1874 useless extension candidates. Maximal degree in co-relation 3029. Up to 801 conditions per place. [2025-03-15 01:39:26,609 INFO L140 encePairwiseOnDemand]: 100/113 looper letters, 28 selfloop transitions, 4 changer transitions 0/117 dead transitions. [2025-03-15 01:39:26,609 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 117 transitions, 313 flow [2025-03-15 01:39:26,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:39:26,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:39:26,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 311 transitions. [2025-03-15 01:39:26,621 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9174041297935103 [2025-03-15 01:39:26,623 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2025-03-15 01:39:26,624 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 117 transitions, 313 flow [2025-03-15 01:39:26,624 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 90.33333333333333) internal successors, (271), 3 states have internal predecessors, (271), 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 01:39:26,624 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:26,624 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] [2025-03-15 01:39:26,624 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:39:26,624 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:26,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:26,627 INFO L85 PathProgramCache]: Analyzing trace with hash 1695602404, now seen corresponding path program 1 times [2025-03-15 01:39:26,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:26,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435173237] [2025-03-15 01:39:26,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:26,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:26,855 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 01:39:26,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:26,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435173237] [2025-03-15 01:39:26,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435173237] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:26,856 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:26,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:26,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815419331] [2025-03-15 01:39:26,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:26,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:26,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:26,857 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:26,857 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:26,858 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2025-03-15 01:39:26,861 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 117 transitions, 313 flow. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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 01:39:26,861 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:26,861 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2025-03-15 01:39:26,861 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:27,103 INFO L124 PetriNetUnfolderBase]: 414/1150 cut-off events. [2025-03-15 01:39:27,103 INFO L125 PetriNetUnfolderBase]: For 109/685 co-relation queries the response was YES. [2025-03-15 01:39:27,105 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2504 conditions, 1150 events. 414/1150 cut-off events. For 109/685 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 7919 event pairs, 105 based on Foata normal form. 26/1020 useless extension candidates. Maximal degree in co-relation 2453. Up to 523 conditions per place. [2025-03-15 01:39:27,111 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 25 selfloop transitions, 4 changer transitions 0/114 dead transitions. [2025-03-15 01:39:27,111 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 114 transitions, 359 flow [2025-03-15 01:39:27,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:27,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 388 transitions. [2025-03-15 01:39:27,114 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8584070796460177 [2025-03-15 01:39:27,115 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, -3 predicate places. [2025-03-15 01:39:27,115 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 114 transitions, 359 flow [2025-03-15 01:39:27,115 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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 01:39:27,116 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:27,117 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] [2025-03-15 01:39:27,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:39:27,117 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:27,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:27,118 INFO L85 PathProgramCache]: Analyzing trace with hash -198316929, now seen corresponding path program 1 times [2025-03-15 01:39:27,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:27,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56384903] [2025-03-15 01:39:27,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:27,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:27,267 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 01:39:27,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:27,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56384903] [2025-03-15 01:39:27,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56384903] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:27,267 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:27,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:27,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5178495] [2025-03-15 01:39:27,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:27,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:27,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:27,268 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:27,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:27,269 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2025-03-15 01:39:27,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 114 transitions, 359 flow. Second operand has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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 01:39:27,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:27,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2025-03-15 01:39:27,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:27,485 INFO L124 PetriNetUnfolderBase]: 293/1102 cut-off events. [2025-03-15 01:39:27,485 INFO L125 PetriNetUnfolderBase]: For 275/573 co-relation queries the response was YES. [2025-03-15 01:39:27,487 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2536 conditions, 1102 events. 293/1102 cut-off events. For 275/573 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7860 event pairs, 102 based on Foata normal form. 20/1047 useless extension candidates. Maximal degree in co-relation 2482. Up to 332 conditions per place. [2025-03-15 01:39:27,493 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 30 selfloop transitions, 7 changer transitions 3/125 dead transitions. [2025-03-15 01:39:27,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 125 transitions, 508 flow [2025-03-15 01:39:27,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 399 transitions. [2025-03-15 01:39:27,495 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8827433628318584 [2025-03-15 01:39:27,497 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 0 predicate places. [2025-03-15 01:39:27,497 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 125 transitions, 508 flow [2025-03-15 01:39:27,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 91.0) internal successors, (364), 4 states have internal predecessors, (364), 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 01:39:27,497 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:27,497 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] [2025-03-15 01:39:27,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:39:27,497 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2025-03-15 01:39:27,498 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:27,498 INFO L85 PathProgramCache]: Analyzing trace with hash 160583863, now seen corresponding path program 1 times [2025-03-15 01:39:27,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:27,499 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963281761] [2025-03-15 01:39:27,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:27,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:27,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:27,699 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 01:39:27,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:27,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963281761] [2025-03-15 01:39:27,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963281761] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:27,699 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:27,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:39:27,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [759786847] [2025-03-15 01:39:27,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:27,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:39:27,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:27,700 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:39:27,700 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:39:27,701 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 89 out of 113 [2025-03-15 01:39:27,701 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 125 transitions, 508 flow. Second operand has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 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 01:39:27,701 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:27,701 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 89 of 113 [2025-03-15 01:39:27,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:27,929 INFO L124 PetriNetUnfolderBase]: 284/1049 cut-off events. [2025-03-15 01:39:27,930 INFO L125 PetriNetUnfolderBase]: For 532/840 co-relation queries the response was YES. [2025-03-15 01:39:27,932 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2865 conditions, 1049 events. 284/1049 cut-off events. For 532/840 co-relation queries the response was YES. Maximal size of possible extension queue 55. Compared 7315 event pairs, 108 based on Foata normal form. 31/1025 useless extension candidates. Maximal degree in co-relation 2808. Up to 311 conditions per place. [2025-03-15 01:39:27,933 INFO L140 encePairwiseOnDemand]: 106/113 looper letters, 0 selfloop transitions, 0 changer transitions 125/125 dead transitions. [2025-03-15 01:39:27,933 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 125 transitions, 588 flow [2025-03-15 01:39:27,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:39:27,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:39:27,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 488 transitions. [2025-03-15 01:39:27,935 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.863716814159292 [2025-03-15 01:39:27,935 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 1 predicate places. [2025-03-15 01:39:27,935 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 125 transitions, 588 flow [2025-03-15 01:39:27,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 91.2) internal successors, (456), 5 states have internal predecessors, (456), 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 01:39:27,941 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe021_power.opt_pso.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:39:27,957 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:39:27,958 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:39:27,958 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:39:27,958 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:39:27,962 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:39:27,962 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:39:27,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:39:27 BasicIcfg [2025-03-15 01:39:27,966 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:39:27,967 INFO L158 Benchmark]: Toolchain (without parser) took 3479.06ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 42.7MB in the beginning and 145.7MB in the end (delta: -103.0MB). Peak memory consumption was 136.8MB. Max. memory is 8.0GB. [2025-03-15 01:39:27,967 INFO L158 Benchmark]: CDTParser took 1.44ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:27,968 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.98ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 19.5MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:39:27,968 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.37ms. Allocated memory is still 71.3MB. Free memory was 19.4MB in the beginning and 43.6MB in the end (delta: -24.2MB). Peak memory consumption was 2.7MB. Max. memory is 8.0GB. [2025-03-15 01:39:27,968 INFO L158 Benchmark]: Boogie Preprocessor took 42.78ms. 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 01:39:27,968 INFO L158 Benchmark]: RCFGBuilder took 600.64ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 26.3MB in the end (delta: 15.4MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. [2025-03-15 01:39:27,968 INFO L158 Benchmark]: TraceAbstraction took 2369.57ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 25.1MB in the beginning and 145.7MB in the end (delta: -120.6MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. [2025-03-15 01:39:27,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.44ms. Allocated memory is still 71.3MB. Free memory was 33.5MB in the beginning and 33.4MB in the end (delta: 42.1kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.98ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 19.5MB in the end (delta: 23.0MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.37ms. Allocated memory is still 71.3MB. Free memory was 19.4MB in the beginning and 43.6MB in the end (delta: -24.2MB). Peak memory consumption was 2.7MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.78ms. 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 600.64ms. Allocated memory is still 71.3MB. Free memory was 41.7MB in the beginning and 26.3MB in the end (delta: 15.4MB). Peak memory consumption was 31.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2369.57ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 25.1MB in the beginning and 145.7MB in the end (delta: -120.6MB). Peak memory consumption was 120.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 756]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 785]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: 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 7 procedures, 144 locations, 15 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: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 59 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 187 IncrementalHoareTripleChecker+Invalid, 209 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 187 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=588occurred in iteration=4, InterpolantAutomatonStates: 16, 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, 224 NumberOfCodeBlocks, 224 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 220 ConstructedInterpolants, 0 QuantifiedInterpolants, 612 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:39:27,985 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...