/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/mix015.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:36:26,697 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:36:26,753 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 01:36:26,797 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:36:26,798 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:36:26,798 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:36:26,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:36:26,798 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:36:26,799 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:36:26,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:36:26,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:36:26,799 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:36:26,802 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:36:26,803 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:26,803 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:36:26,803 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:36:26,803 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 01:36:27,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:36:27,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:36:27,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:36:27,043 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:36:27,043 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:36:27,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix015.opt.i [2025-03-15 01:36:28,213 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55823f6ee/102b3cbc2f7543f3a347452943cf1a77/FLAG301deb4dc [2025-03-15 01:36:28,437 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:36:28,437 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix015.opt.i [2025-03-15 01:36:28,454 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55823f6ee/102b3cbc2f7543f3a347452943cf1a77/FLAG301deb4dc [2025-03-15 01:36:28,469 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/55823f6ee/102b3cbc2f7543f3a347452943cf1a77 [2025-03-15 01:36:28,472 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:36:28,473 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:36:28,474 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:28,475 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:36:28,477 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:36:28,478 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,478 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a4931fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28, skipping insertion in model container [2025-03-15 01:36:28,479 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,509 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:36:28,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:28,817 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:36:28,870 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:28,899 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:36:28,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28 WrapperNode [2025-03-15 01:36:28,900 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:28,900 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:28,900 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:36:28,900 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:36:28,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,928 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,948 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 147 [2025-03-15 01:36:28,948 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:28,949 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:36:28,949 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:36:28,949 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:36:28,958 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,960 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,960 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,965 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,966 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,967 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,968 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,972 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:36:28,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:36:28,975 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:36:28,975 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:36:28,975 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (1/1) ... [2025-03-15 01:36:28,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:28,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:36:29,004 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 01:36:29,007 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 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:36:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:36:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:36:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:36:29,026 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:36:29,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:36:29,028 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 01:36:29,121 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:36:29,123 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:36:29,392 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:36:29,392 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:36:29,524 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:36:29,525 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:36:29,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:29 BoogieIcfgContainer [2025-03-15 01:36:29,525 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:36:29,529 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:36:29,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:36:29,533 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:36:29,533 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:36:28" (1/3) ... [2025-03-15 01:36:29,533 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdefc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:29, skipping insertion in model container [2025-03-15 01:36:29,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:28" (2/3) ... [2025-03-15 01:36:29,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdefc68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:29, skipping insertion in model container [2025-03-15 01:36:29,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:29" (3/3) ... [2025-03-15 01:36:29,535 INFO L128 eAbstractionObserver]: Analyzing ICFG mix015.opt.i [2025-03-15 01:36:29,546 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:36:29,547 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix015.opt.i that has 4 procedures, 118 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:36:29,547 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:36:29,610 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:36:29,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:36:29,655 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;@202e33cb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:36:29,655 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:36:29,683 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:36:29,684 INFO L124 PetriNetUnfolderBase]: 0/55 cut-off events. [2025-03-15 01:36:29,686 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:36:29,686 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:29,687 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] [2025-03-15 01:36:29,687 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 01:36:29,692 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:29,692 INFO L85 PathProgramCache]: Analyzing trace with hash -122048984, now seen corresponding path program 1 times [2025-03-15 01:36:29,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:29,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596985377] [2025-03-15 01:36:29,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:29,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:29,946 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 01:36:29,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:29,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596985377] [2025-03-15 01:36:29,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596985377] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:29,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:29,958 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:36:29,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1524956732] [2025-03-15 01:36:29,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:29,966 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:36:29,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:29,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:36:29,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:36:29,988 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2025-03-15 01:36:29,991 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 120 transitions, 252 flow. Second operand has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 01:36:29,991 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:29,991 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2025-03-15 01:36:29,993 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:30,297 INFO L124 PetriNetUnfolderBase]: 372/1019 cut-off events. [2025-03-15 01:36:30,297 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-15 01:36:30,306 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1663 conditions, 1019 events. 372/1019 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6962 event pairs, 247 based on Foata normal form. 140/926 useless extension candidates. Maximal degree in co-relation 1611. Up to 562 conditions per place. [2025-03-15 01:36:30,314 INFO L140 encePairwiseOnDemand]: 107/120 looper letters, 26 selfloop transitions, 4 changer transitions 0/123 dead transitions. [2025-03-15 01:36:30,314 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 123 transitions, 321 flow [2025-03-15 01:36:30,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:36:30,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:36:30,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 333 transitions. [2025-03-15 01:36:30,324 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.925 [2025-03-15 01:36:30,326 INFO L298 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2025-03-15 01:36:30,326 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 123 transitions, 321 flow [2025-03-15 01:36:30,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.0) internal successors, (294), 3 states have internal predecessors, (294), 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 01:36:30,326 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:30,327 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] [2025-03-15 01:36:30,327 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:36:30,327 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 01:36:30,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:30,328 INFO L85 PathProgramCache]: Analyzing trace with hash 706052207, now seen corresponding path program 1 times [2025-03-15 01:36:30,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:30,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295397773] [2025-03-15 01:36:30,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:30,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:30,488 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 01:36:30,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:30,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295397773] [2025-03-15 01:36:30,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295397773] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:30,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:30,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:30,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786433753] [2025-03-15 01:36:30,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:30,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:30,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:30,490 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:30,490 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:30,491 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2025-03-15 01:36:30,492 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 123 transitions, 321 flow. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 01:36:30,492 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:30,492 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2025-03-15 01:36:30,492 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:30,673 INFO L124 PetriNetUnfolderBase]: 249/662 cut-off events. [2025-03-15 01:36:30,673 INFO L125 PetriNetUnfolderBase]: For 95/355 co-relation queries the response was YES. [2025-03-15 01:36:30,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1510 conditions, 662 events. 249/662 cut-off events. For 95/355 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 4098 event pairs, 141 based on Foata normal form. 4/557 useless extension candidates. Maximal degree in co-relation 1455. Up to 359 conditions per place. [2025-03-15 01:36:30,679 INFO L140 encePairwiseOnDemand]: 113/120 looper letters, 23 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2025-03-15 01:36:30,679 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 120 transitions, 363 flow [2025-03-15 01:36:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:30,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 418 transitions. [2025-03-15 01:36:30,681 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8708333333333333 [2025-03-15 01:36:30,682 INFO L298 CegarLoopForPetriNet]: 127 programPoint places, -3 predicate places. [2025-03-15 01:36:30,682 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 120 transitions, 363 flow [2025-03-15 01:36:30,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 01:36:30,682 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:30,682 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] [2025-03-15 01:36:30,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:36:30,682 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 01:36:30,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:30,683 INFO L85 PathProgramCache]: Analyzing trace with hash -226411458, now seen corresponding path program 1 times [2025-03-15 01:36:30,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:30,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107699869] [2025-03-15 01:36:30,683 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:30,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:30,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:30,822 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 01:36:30,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:30,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107699869] [2025-03-15 01:36:30,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107699869] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:30,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:30,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:30,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307928212] [2025-03-15 01:36:30,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:30,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:30,823 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:30,823 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:30,823 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:30,824 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2025-03-15 01:36:30,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 120 transitions, 363 flow. Second operand has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 01:36:30,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:30,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2025-03-15 01:36:30,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:30,997 INFO L124 PetriNetUnfolderBase]: 162/508 cut-off events. [2025-03-15 01:36:30,998 INFO L125 PetriNetUnfolderBase]: For 109/233 co-relation queries the response was YES. [2025-03-15 01:36:31,001 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1343 conditions, 508 events. 162/508 cut-off events. For 109/233 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2838 event pairs, 24 based on Foata normal form. 4/493 useless extension candidates. Maximal degree in co-relation 1285. Up to 219 conditions per place. [2025-03-15 01:36:31,004 INFO L140 encePairwiseOnDemand]: 113/120 looper letters, 27 selfloop transitions, 7 changer transitions 3/130 dead transitions. [2025-03-15 01:36:31,004 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 130 transitions, 500 flow [2025-03-15 01:36:31,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:31,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:31,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 428 transitions. [2025-03-15 01:36:31,006 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8916666666666667 [2025-03-15 01:36:31,007 INFO L298 CegarLoopForPetriNet]: 127 programPoint places, 0 predicate places. [2025-03-15 01:36:31,007 INFO L471 AbstractCegarLoop]: Abstraction has has 127 places, 130 transitions, 500 flow [2025-03-15 01:36:31,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 98.5) internal successors, (394), 4 states have internal predecessors, (394), 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 01:36:31,007 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:31,007 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 01:36:31,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:36:31,007 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 01:36:31,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:31,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1893044848, now seen corresponding path program 1 times [2025-03-15 01:36:31,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:31,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610668264] [2025-03-15 01:36:31,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:31,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:31,238 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 01:36:31,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:31,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610668264] [2025-03-15 01:36:31,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610668264] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:31,238 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:36:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020161074] [2025-03-15 01:36:31,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:31,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:36:31,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:31,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:36:31,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:36:31,240 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 120 [2025-03-15 01:36:31,240 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 130 transitions, 500 flow. Second operand has 5 states, 5 states have (on average 99.2) internal successors, (496), 5 states have internal predecessors, (496), 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 01:36:31,240 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:31,240 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 120 [2025-03-15 01:36:31,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:31,416 INFO L124 PetriNetUnfolderBase]: 156/493 cut-off events. [2025-03-15 01:36:31,416 INFO L125 PetriNetUnfolderBase]: For 204/374 co-relation queries the response was YES. [2025-03-15 01:36:31,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1539 conditions, 493 events. 156/493 cut-off events. For 204/374 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2697 event pairs, 24 based on Foata normal form. 4/487 useless extension candidates. Maximal degree in co-relation 1478. Up to 204 conditions per place. [2025-03-15 01:36:31,418 INFO L140 encePairwiseOnDemand]: 113/120 looper letters, 0 selfloop transitions, 0 changer transitions 129/129 dead transitions. [2025-03-15 01:36:31,418 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 129 transitions, 564 flow [2025-03-15 01:36:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:36:31,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:36:31,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 524 transitions. [2025-03-15 01:36:31,420 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8733333333333333 [2025-03-15 01:36:31,421 INFO L298 CegarLoopForPetriNet]: 127 programPoint places, 1 predicate places. [2025-03-15 01:36:31,421 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 129 transitions, 564 flow [2025-03-15 01:36:31,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 99.2) internal successors, (496), 5 states have internal predecessors, (496), 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 01:36:31,427 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix015.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:36:31,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:36:31,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:36:31,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:36:31,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:36:31,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:36:31,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:36:31,447 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:36:31,447 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:36:31,447 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:36:31,452 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:36:31,452 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:36:31,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:36:31 BasicIcfg [2025-03-15 01:36:31,457 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:36:31,457 INFO L158 Benchmark]: Toolchain (without parser) took 2984.11ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 42.7MB in the beginning and 79.9MB in the end (delta: -37.2MB). Peak memory consumption was 79.5MB. Max. memory is 8.0GB. [2025-03-15 01:36:31,457 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:36:31,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 425.44ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 18.8MB in the end (delta: 23.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:36:31,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.79ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 42.7MB in the end (delta: -23.9MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2025-03-15 01:36:31,458 INFO L158 Benchmark]: Boogie Preprocessor took 25.46ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:36:31,458 INFO L158 Benchmark]: RCFGBuilder took 550.60ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 23.4MB in the end (delta: 17.7MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. [2025-03-15 01:36:31,458 INFO L158 Benchmark]: TraceAbstraction took 1927.21ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 22.4MB in the beginning and 79.9MB in the end (delta: -57.5MB). Peak memory consumption was 59.0MB. Max. memory is 8.0GB. [2025-03-15 01:36:31,459 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 71.3MB. Free memory is still 34.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 425.44ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 18.8MB in the end (delta: 23.7MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.79ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 42.7MB in the end (delta: -23.9MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.46ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.1MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 550.60ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 23.4MB in the end (delta: 17.7MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. * TraceAbstraction took 1927.21ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 22.4MB in the beginning and 79.9MB in the end (delta: -57.5MB). Peak memory consumption was 59.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 765]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 793]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 838]: 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, 154 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: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 64 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 64 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 4 mSDtfsCounter, 170 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=564occurred 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, 0.6s InterpolantComputationTime, 249 NumberOfCodeBlocks, 249 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 245 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 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 01:36:31,471 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...