/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/rfi006_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:38:29,578 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:38:29,631 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 01:38:29,702 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:38:29,703 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:38:29,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:38:29,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:38:29,703 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:38:29,704 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:38:29,704 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:38:29,705 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:38:29,705 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:29,706 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:38:29,706 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:38:29,706 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 01:38:29,988 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:38:29,997 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:38:29,999 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:38:30,001 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:38:30,001 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:38:30,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi006_rmo.i [2025-03-15 01:38:31,189 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d32516e/fb4368f7d0764d80a598f380260008b3/FLAG4a277106c [2025-03-15 01:38:31,403 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:38:31,404 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi006_rmo.i [2025-03-15 01:38:31,426 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d32516e/fb4368f7d0764d80a598f380260008b3/FLAG4a277106c [2025-03-15 01:38:31,443 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11d32516e/fb4368f7d0764d80a598f380260008b3 [2025-03-15 01:38:31,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:38:31,445 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:38:31,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:31,447 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:38:31,450 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:38:31,450 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,451 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6949a8f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31, skipping insertion in model container [2025-03-15 01:38:31,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,486 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:38:31,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:31,738 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:38:31,802 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:38:31,834 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:38:31,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31 WrapperNode [2025-03-15 01:38:31,835 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:38:31,836 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:31,836 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:38:31,836 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:38:31,841 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,872 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,894 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2025-03-15 01:38:31,895 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:38:31,896 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:38:31,896 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:38:31,896 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:38:31,901 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,901 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,906 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,906 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,915 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,916 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,931 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:38:31,931 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:38:31,936 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:38:31,936 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:38:31,937 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (1/1) ... [2025-03-15 01:38:31,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:38:31,953 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:38:31,968 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 01:38:31,972 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 01:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:38:31,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:38:31,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:38:31,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:38:31,992 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 01:38:32,118 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:38:32,120 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:38:32,527 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:38:32,528 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:38:32,768 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:38:32,768 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:38:32,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:32 BoogieIcfgContainer [2025-03-15 01:38:32,769 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:38:32,771 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:38:32,771 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:38:32,775 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:38:32,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:38:31" (1/3) ... [2025-03-15 01:38:32,775 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73754b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:32, skipping insertion in model container [2025-03-15 01:38:32,775 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:38:31" (2/3) ... [2025-03-15 01:38:32,776 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73754b1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:38:32, skipping insertion in model container [2025-03-15 01:38:32,776 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:38:32" (3/3) ... [2025-03-15 01:38:32,776 INFO L128 eAbstractionObserver]: Analyzing ICFG rfi006_rmo.i [2025-03-15 01:38:32,788 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:38:32,790 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG rfi006_rmo.i that has 4 procedures, 130 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:38:32,790 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:38:32,855 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:38:32,887 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:38:32,900 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;@683b1fcc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:38:32,900 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:38:32,946 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:38:32,946 INFO L124 PetriNetUnfolderBase]: 0/67 cut-off events. [2025-03-15 01:38:32,948 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:38:32,948 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:32,948 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] [2025-03-15 01:38:32,949 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 01:38:32,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:32,953 INFO L85 PathProgramCache]: Analyzing trace with hash -959294945, now seen corresponding path program 1 times [2025-03-15 01:38:32,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:32,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027364370] [2025-03-15 01:38:32,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:32,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:33,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:33,324 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 01:38:33,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:33,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027364370] [2025-03-15 01:38:33,328 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1027364370] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:33,329 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:33,329 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:38:33,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771827623] [2025-03-15 01:38:33,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:33,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:38:33,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:33,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:38:33,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:38:33,359 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2025-03-15 01:38:33,363 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 01:38:33,363 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:33,363 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2025-03-15 01:38:33,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:33,803 INFO L124 PetriNetUnfolderBase]: 581/1423 cut-off events. [2025-03-15 01:38:33,804 INFO L125 PetriNetUnfolderBase]: For 17/17 co-relation queries the response was YES. [2025-03-15 01:38:33,815 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2388 conditions, 1423 events. 581/1423 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 10137 event pairs, 150 based on Foata normal form. 140/1294 useless extension candidates. Maximal degree in co-relation 2321. Up to 798 conditions per place. [2025-03-15 01:38:33,829 INFO L140 encePairwiseOnDemand]: 119/132 looper letters, 28 selfloop transitions, 4 changer transitions 0/136 dead transitions. [2025-03-15 01:38:33,829 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 136 transitions, 351 flow [2025-03-15 01:38:33,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:38:33,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:38:33,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 368 transitions. [2025-03-15 01:38:33,839 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9292929292929293 [2025-03-15 01:38:33,843 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:38:33,843 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 136 transitions, 351 flow [2025-03-15 01:38:33,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 109.33333333333333) internal successors, (328), 3 states have internal predecessors, (328), 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 01:38:33,843 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:33,844 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] [2025-03-15 01:38:33,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:38:33,844 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 01:38:33,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:33,844 INFO L85 PathProgramCache]: Analyzing trace with hash -420037039, now seen corresponding path program 1 times [2025-03-15 01:38:33,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:33,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865443805] [2025-03-15 01:38:33,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:33,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:34,092 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 01:38:34,092 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:34,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865443805] [2025-03-15 01:38:34,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865443805] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:34,092 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:34,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:34,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341489252] [2025-03-15 01:38:34,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:34,094 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:34,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:34,094 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:34,096 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:34,097 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2025-03-15 01:38:34,098 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 136 transitions, 351 flow. Second operand has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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 01:38:34,098 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:34,098 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2025-03-15 01:38:34,098 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:34,415 INFO L124 PetriNetUnfolderBase]: 409/1609 cut-off events. [2025-03-15 01:38:34,415 INFO L125 PetriNetUnfolderBase]: For 115/403 co-relation queries the response was YES. [2025-03-15 01:38:34,418 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2941 conditions, 1609 events. 409/1609 cut-off events. For 115/403 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 12851 event pairs, 252 based on Foata normal form. 6/1420 useless extension candidates. Maximal degree in co-relation 2871. Up to 520 conditions per place. [2025-03-15 01:38:34,424 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 25 selfloop transitions, 4 changer transitions 0/133 dead transitions. [2025-03-15 01:38:34,424 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 133 transitions, 397 flow [2025-03-15 01:38:34,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:34,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2025-03-15 01:38:34,426 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8787878787878788 [2025-03-15 01:38:34,426 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:38:34,427 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 133 transitions, 397 flow [2025-03-15 01:38:34,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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 01:38:34,427 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:34,427 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] [2025-03-15 01:38:34,427 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:38:34,427 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 01:38:34,428 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:34,428 INFO L85 PathProgramCache]: Analyzing trace with hash 39066840, now seen corresponding path program 1 times [2025-03-15 01:38:34,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:34,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299927414] [2025-03-15 01:38:34,428 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:34,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:34,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:34,561 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 01:38:34,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:34,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299927414] [2025-03-15 01:38:34,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299927414] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:34,561 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:34,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:34,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526282367] [2025-03-15 01:38:34,561 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:34,562 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:34,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:34,562 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:34,562 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:34,563 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2025-03-15 01:38:34,563 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 133 transitions, 397 flow. Second operand has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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 01:38:34,563 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:34,563 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2025-03-15 01:38:34,564 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:34,831 INFO L124 PetriNetUnfolderBase]: 288/1058 cut-off events. [2025-03-15 01:38:34,831 INFO L125 PetriNetUnfolderBase]: For 264/772 co-relation queries the response was YES. [2025-03-15 01:38:34,834 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2462 conditions, 1058 events. 288/1058 cut-off events. For 264/772 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 7266 event pairs, 98 based on Foata normal form. 6/987 useless extension candidates. Maximal degree in co-relation 2389. Up to 329 conditions per place. [2025-03-15 01:38:34,838 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 30 selfloop transitions, 7 changer transitions 3/144 dead transitions. [2025-03-15 01:38:34,838 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 144 transitions, 546 flow [2025-03-15 01:38:34,839 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:34,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:34,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 475 transitions. [2025-03-15 01:38:34,840 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8996212121212122 [2025-03-15 01:38:34,841 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2025-03-15 01:38:34,841 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 144 transitions, 546 flow [2025-03-15 01:38:34,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.75) internal successors, (439), 4 states have internal predecessors, (439), 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 01:38:34,841 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:34,842 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:38:34,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:38:34,842 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 01:38:34,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:34,844 INFO L85 PathProgramCache]: Analyzing trace with hash 1923927691, now seen corresponding path program 1 times [2025-03-15 01:38:34,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:34,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1532438842] [2025-03-15 01:38:34,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:34,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:35,044 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 01:38:35,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:35,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1532438842] [2025-03-15 01:38:35,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1532438842] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:35,044 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:35,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:38:35,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717580973] [2025-03-15 01:38:35,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:35,045 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:38:35,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:35,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:38:35,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:38:35,046 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 132 [2025-03-15 01:38:35,046 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 144 transitions, 546 flow. Second operand has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 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 01:38:35,046 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:35,046 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 132 [2025-03-15 01:38:35,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:35,246 INFO L124 PetriNetUnfolderBase]: 279/1045 cut-off events. [2025-03-15 01:38:35,246 INFO L125 PetriNetUnfolderBase]: For 331/747 co-relation queries the response was YES. [2025-03-15 01:38:35,249 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2823 conditions, 1045 events. 279/1045 cut-off events. For 331/747 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 7232 event pairs, 74 based on Foata normal form. 6/1002 useless extension candidates. Maximal degree in co-relation 2747. Up to 308 conditions per place. [2025-03-15 01:38:35,250 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 0 selfloop transitions, 0 changer transitions 144/144 dead transitions. [2025-03-15 01:38:35,250 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 144 transitions, 626 flow [2025-03-15 01:38:35,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:38:35,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:38:35,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 583 transitions. [2025-03-15 01:38:35,252 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8833333333333333 [2025-03-15 01:38:35,252 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 1 predicate places. [2025-03-15 01:38:35,252 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 144 transitions, 626 flow [2025-03-15 01:38:35,252 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 110.2) internal successors, (551), 5 states have internal predecessors, (551), 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 01:38:35,260 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/rfi006_rmo.i_petrified1_AllErrorsAtOnce [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:38:35,276 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:38:35,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:38:35,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:38:35,277 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:38:35,277 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:38:35,277 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:38:35,282 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:38:35,282 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:38:35,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:38:35 BasicIcfg [2025-03-15 01:38:35,288 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:38:35,289 INFO L158 Benchmark]: Toolchain (without parser) took 3842.85ms. Allocated memory was 71.3MB in the beginning and 197.1MB in the end (delta: 125.8MB). Free memory was 43.0MB in the beginning and 145.4MB in the end (delta: -102.5MB). Peak memory consumption was 129.0MB. Max. memory is 8.0GB. [2025-03-15 01:38:35,289 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:35,289 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.99ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 19.0MB in the end (delta: 23.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:38:35,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.13ms. Allocated memory is still 71.3MB. Free memory was 19.0MB in the beginning and 43.0MB in the end (delta: -24.0MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 01:38:35,291 INFO L158 Benchmark]: Boogie Preprocessor took 35.43ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 41.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:35,291 INFO L158 Benchmark]: RCFGBuilder took 837.64ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). Peak memory consumption was 36.4MB. Max. memory is 8.0GB. [2025-03-15 01:38:35,291 INFO L158 Benchmark]: TraceAbstraction took 2516.56ms. Allocated memory was 88.1MB in the beginning and 197.1MB in the end (delta: 109.1MB). Free memory was 38.1MB in the beginning and 145.4MB in the end (delta: -107.3MB). Peak memory consumption was 109.0MB. Max. memory is 8.0GB. [2025-03-15 01:38:35,292 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 71.3MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 388.99ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 19.0MB in the end (delta: 23.8MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 59.13ms. Allocated memory is still 71.3MB. Free memory was 19.0MB in the beginning and 43.0MB in the end (delta: -24.0MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.43ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 41.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 837.64ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 41.0MB in the beginning and 39.3MB in the end (delta: 1.7MB). Peak memory consumption was 36.4MB. Max. memory is 8.0GB. * TraceAbstraction took 2516.56ms. Allocated memory was 88.1MB in the beginning and 197.1MB in the end (delta: 109.1MB). Free memory was 38.1MB in the beginning and 145.4MB in the end (delta: -107.3MB). Peak memory consumption was 109.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 784]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 815]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 832]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 832]: 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, 163 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: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 63 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 63 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 184 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 184 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=626occurred 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, 302 NumberOfCodeBlocks, 302 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 298 ConstructedInterpolants, 0 QuantifiedInterpolants, 846 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 01:38:35,306 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...