/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/safe028_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:39:35,281 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:39:35,334 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 01:39:35,378 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:39:35,379 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:39:35,381 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:39:35,382 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:39:35,382 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:39:35,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:39:35,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:35,383 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:39:35,383 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:39:35,384 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:39:35,384 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:39:35,384 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 01:39:35,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:39:35,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:39:35,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:39:35,664 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:39:35,665 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:39:35,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe028_rmo.i [2025-03-15 01:39:36,938 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d2fe31/dd79152bb4054f6c91e98655bc8f4c97/FLAG3e5ec86df [2025-03-15 01:39:37,175 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:39:37,176 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe028_rmo.i [2025-03-15 01:39:37,188 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d2fe31/dd79152bb4054f6c91e98655bc8f4c97/FLAG3e5ec86df [2025-03-15 01:39:37,200 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c17d2fe31/dd79152bb4054f6c91e98655bc8f4c97 [2025-03-15 01:39:37,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:39:37,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:39:37,204 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:37,204 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:39:37,207 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:39:37,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,208 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4eda59b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37, skipping insertion in model container [2025-03-15 01:39:37,208 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:39:37,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:37,510 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:39:37,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:39:37,607 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:39:37,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37 WrapperNode [2025-03-15 01:39:37,609 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:39:37,617 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:37,617 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:39:37,617 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:39:37,622 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,633 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,652 INFO L138 Inliner]: procedures = 175, calls = 64, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127 [2025-03-15 01:39:37,652 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:39:37,653 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:39:37,653 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:39:37,653 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:39:37,658 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,661 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,676 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,677 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,680 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,681 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,683 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:39:37,685 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:39:37,685 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:39:37,685 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:39:37,686 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (1/1) ... [2025-03-15 01:39:37,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:39:37,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:39:37,714 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 01:39:37,722 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 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:39:37,739 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:39:37,739 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:39:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:39:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:39:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:39:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:39:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:39:37,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:39:37,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:39:37,741 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 01:39:37,881 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:39:37,883 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:39:38,310 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:39:38,310 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:39:38,580 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:39:38,580 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:39:38,580 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:38 BoogieIcfgContainer [2025-03-15 01:39:38,580 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:39:38,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:39:38,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:39:38,587 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:39:38,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:39:37" (1/3) ... [2025-03-15 01:39:38,588 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3084ff81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:38, skipping insertion in model container [2025-03-15 01:39:38,588 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:39:37" (2/3) ... [2025-03-15 01:39:38,589 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3084ff81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:39:38, skipping insertion in model container [2025-03-15 01:39:38,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:39:38" (3/3) ... [2025-03-15 01:39:38,590 INFO L128 eAbstractionObserver]: Analyzing ICFG safe028_rmo.i [2025-03-15 01:39:38,603 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:39:38,605 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG safe028_rmo.i that has 4 procedures, 130 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:39:38,606 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:39:38,677 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:39:38,716 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:39:38,728 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;@13b50c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:39:38,728 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:39:38,764 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:39:38,765 INFO L124 PetriNetUnfolderBase]: 0/68 cut-off events. [2025-03-15 01:39:38,767 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:39:38,767 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:38,768 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] [2025-03-15 01:39:38,768 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 01:39:38,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:38,773 INFO L85 PathProgramCache]: Analyzing trace with hash 537101814, now seen corresponding path program 1 times [2025-03-15 01:39:38,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:38,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1946227393] [2025-03-15 01:39:38,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:38,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:39,153 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 01:39:39,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:39,155 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1946227393] [2025-03-15 01:39:39,155 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1946227393] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:39,155 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:39,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:39:39,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47975222] [2025-03-15 01:39:39,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:39,162 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:39:39,165 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:39,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:39:39,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:39:39,183 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 132 [2025-03-15 01:39:39,187 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 132 transitions, 276 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 01:39:39,188 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:39,188 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 132 [2025-03-15 01:39:39,190 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:39,661 INFO L124 PetriNetUnfolderBase]: 718/1753 cut-off events. [2025-03-15 01:39:39,661 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2025-03-15 01:39:39,672 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2928 conditions, 1753 events. 718/1753 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 13057 event pairs, 199 based on Foata normal form. 156/1617 useless extension candidates. Maximal degree in co-relation 2861. Up to 927 conditions per place. [2025-03-15 01:39:39,694 INFO L140 encePairwiseOnDemand]: 119/132 looper letters, 30 selfloop transitions, 4 changer transitions 0/137 dead transitions. [2025-03-15 01:39:39,695 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 137 transitions, 357 flow [2025-03-15 01:39:39,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:39:39,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:39:39,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2025-03-15 01:39:39,708 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9267676767676768 [2025-03-15 01:39:39,711 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:39:39,712 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 137 transitions, 357 flow [2025-03-15 01:39:39,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 01:39:39,712 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:39,712 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] [2025-03-15 01:39:39,712 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:39:39,712 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 01:39:39,713 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:39,713 INFO L85 PathProgramCache]: Analyzing trace with hash -1545518287, now seen corresponding path program 1 times [2025-03-15 01:39:39,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:39,713 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292626649] [2025-03-15 01:39:39,713 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:39,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:39,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:39,918 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 01:39:39,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:39,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292626649] [2025-03-15 01:39:39,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292626649] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:39,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:39,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:39,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417528933] [2025-03-15 01:39:39,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:39,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:39,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:39,920 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:39,920 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:39,921 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 132 [2025-03-15 01:39:39,924 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 137 transitions, 357 flow. Second operand has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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 01:39:39,924 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:39,924 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 132 [2025-03-15 01:39:39,924 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:40,306 INFO L124 PetriNetUnfolderBase]: 532/1991 cut-off events. [2025-03-15 01:39:40,306 INFO L125 PetriNetUnfolderBase]: For 85/353 co-relation queries the response was YES. [2025-03-15 01:39:40,313 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3693 conditions, 1991 events. 532/1991 cut-off events. For 85/353 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 16944 event pairs, 213 based on Foata normal form. 10/1807 useless extension candidates. Maximal degree in co-relation 3623. Up to 627 conditions per place. [2025-03-15 01:39:40,323 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 27 selfloop transitions, 4 changer transitions 0/134 dead transitions. [2025-03-15 01:39:40,324 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 136 places, 134 transitions, 407 flow [2025-03-15 01:39:40,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:40,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 462 transitions. [2025-03-15 01:39:40,326 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.875 [2025-03-15 01:39:40,326 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, -3 predicate places. [2025-03-15 01:39:40,326 INFO L471 AbstractCegarLoop]: Abstraction has has 136 places, 134 transitions, 407 flow [2025-03-15 01:39:40,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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 01:39:40,328 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:40,328 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] [2025-03-15 01:39:40,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:39:40,329 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 01:39:40,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:40,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1545518286, now seen corresponding path program 1 times [2025-03-15 01:39:40,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:40,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694397785] [2025-03-15 01:39:40,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:40,503 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 01:39:40,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:40,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694397785] [2025-03-15 01:39:40,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694397785] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:40,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:40,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:39:40,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293563135] [2025-03-15 01:39:40,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:40,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:39:40,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:40,504 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:39:40,504 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:39:40,505 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 132 [2025-03-15 01:39:40,505 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 136 places, 134 transitions, 407 flow. Second operand has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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 01:39:40,505 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:40,505 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 132 [2025-03-15 01:39:40,505 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:40,742 INFO L124 PetriNetUnfolderBase]: 397/1379 cut-off events. [2025-03-15 01:39:40,743 INFO L125 PetriNetUnfolderBase]: For 293/929 co-relation queries the response was YES. [2025-03-15 01:39:40,746 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3269 conditions, 1379 events. 397/1379 cut-off events. For 293/929 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 10261 event pairs, 165 based on Foata normal form. 10/1304 useless extension candidates. Maximal degree in co-relation 3196. Up to 414 conditions per place. [2025-03-15 01:39:40,750 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 33 selfloop transitions, 7 changer transitions 3/146 dead transitions. [2025-03-15 01:39:40,750 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 139 places, 146 transitions, 568 flow [2025-03-15 01:39:40,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:39:40,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:39:40,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 474 transitions. [2025-03-15 01:39:40,752 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8977272727272727 [2025-03-15 01:39:40,754 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 0 predicate places. [2025-03-15 01:39:40,754 INFO L471 AbstractCegarLoop]: Abstraction has has 139 places, 146 transitions, 568 flow [2025-03-15 01:39:40,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 109.0) internal successors, (436), 4 states have internal predecessors, (436), 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 01:39:40,754 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:39:40,754 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 01:39:40,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:39:40,754 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 01:39:40,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:39:40,756 INFO L85 PathProgramCache]: Analyzing trace with hash -284773954, now seen corresponding path program 1 times [2025-03-15 01:39:40,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:39:40,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37818666] [2025-03-15 01:39:40,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:39:40,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:39:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:39:40,940 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 01:39:40,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:39:40,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37818666] [2025-03-15 01:39:40,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [37818666] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:39:40,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:39:40,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:39:40,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [699945727] [2025-03-15 01:39:40,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:39:40,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:39:40,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:39:40,941 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:39:40,941 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:39:40,942 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 107 out of 132 [2025-03-15 01:39:40,944 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 146 transitions, 568 flow. Second operand has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 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 01:39:40,944 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:39:40,944 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 107 of 132 [2025-03-15 01:39:40,944 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:39:41,154 INFO L124 PetriNetUnfolderBase]: 388/1358 cut-off events. [2025-03-15 01:39:41,155 INFO L125 PetriNetUnfolderBase]: For 556/1468 co-relation queries the response was YES. [2025-03-15 01:39:41,157 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3782 conditions, 1358 events. 388/1358 cut-off events. For 556/1468 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 10050 event pairs, 165 based on Foata normal form. 18/1303 useless extension candidates. Maximal degree in co-relation 3706. Up to 393 conditions per place. [2025-03-15 01:39:41,158 INFO L140 encePairwiseOnDemand]: 125/132 looper letters, 0 selfloop transitions, 0 changer transitions 146/146 dead transitions. [2025-03-15 01:39:41,158 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 146 transitions, 654 flow [2025-03-15 01:39:41,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:39:41,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:39:41,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 581 transitions. [2025-03-15 01:39:41,161 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8803030303030303 [2025-03-15 01:39:41,163 INFO L298 CegarLoopForPetriNet]: 139 programPoint places, 1 predicate places. [2025-03-15 01:39:41,163 INFO L471 AbstractCegarLoop]: Abstraction has has 140 places, 146 transitions, 654 flow [2025-03-15 01:39:41,163 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 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 01:39:41,169 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/safe028_rmo.i_petrified1_AllErrorsAtOnce [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:39:41,182 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:39:41,183 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:39:41,183 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:39:41,183 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:39:41,188 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:39:41,188 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:39:41,193 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:39:41 BasicIcfg [2025-03-15 01:39:41,193 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:39:41,193 INFO L158 Benchmark]: Toolchain (without parser) took 3990.33ms. Allocated memory was 71.3MB in the beginning and 205.5MB in the end (delta: 134.2MB). Free memory was 42.6MB in the beginning and 53.1MB in the end (delta: -10.6MB). Peak memory consumption was 138.0MB. Max. memory is 8.0GB. [2025-03-15 01:39:41,193 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:41,194 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.65ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 18.0MB in the end (delta: 24.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:39:41,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.45ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:41,194 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 40.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:39:41,194 INFO L158 Benchmark]: RCFGBuilder took 895.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 35.6MB in the end (delta: 4.4MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. [2025-03-15 01:39:41,196 INFO L158 Benchmark]: TraceAbstraction took 2609.26ms. Allocated memory was 88.1MB in the beginning and 205.5MB in the end (delta: 117.4MB). Free memory was 34.7MB in the beginning and 53.1MB in the end (delta: -18.5MB). Peak memory consumption was 115.5MB. Max. memory is 8.0GB. [2025-03-15 01:39:41,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory was 35.9MB in the beginning and 35.8MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 404.65ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 18.0MB in the end (delta: 24.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.45ms. Allocated memory is still 71.3MB. Free memory was 44.3MB in the beginning and 42.0MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 71.3MB. Free memory was 42.0MB in the beginning and 40.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 895.08ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 40.0MB in the beginning and 35.6MB in the end (delta: 4.4MB). Peak memory consumption was 30.5MB. Max. memory is 8.0GB. * TraceAbstraction took 2609.26ms. Allocated memory was 88.1MB in the beginning and 205.5MB in the end (delta: 117.4MB). Free memory was 34.7MB in the beginning and 53.1MB in the end (delta: -18.5MB). Peak memory consumption was 115.5MB. 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: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 801]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 836]: 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: 2.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 68 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 68 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 197 IncrementalHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 197 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=654occurred 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, 301 NumberOfCodeBlocks, 301 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 297 ConstructedInterpolants, 0 QuantifiedInterpolants, 843 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 01:39:41,209 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...