/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/mix002.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:35:14,969 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:35:15,021 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 01:35:15,068 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:35:15,069 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:35:15,069 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:35:15,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:35:15,069 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:35:15,070 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:15,070 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:35:15,070 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:35:15,071 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:35:15,071 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:35:15,071 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:35:15,071 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 01:35:15,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:35:15,353 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:35:15,355 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:35:15,357 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:35:15,358 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:35:15,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2025-03-15 01:35:16,544 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a623e5487/194d316064124c7e90bcf50647985c94/FLAG180bfcb71 [2025-03-15 01:35:16,796 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:35:16,797 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix002.opt.i [2025-03-15 01:35:16,811 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a623e5487/194d316064124c7e90bcf50647985c94/FLAG180bfcb71 [2025-03-15 01:35:16,826 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a623e5487/194d316064124c7e90bcf50647985c94 [2025-03-15 01:35:16,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:35:16,829 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:35:16,831 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:16,831 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:35:16,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:35:16,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:16" (1/1) ... [2025-03-15 01:35:16,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a76a04b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:16, skipping insertion in model container [2025-03-15 01:35:16,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:16" (1/1) ... [2025-03-15 01:35:16,865 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:35:17,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:17,123 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:35:17,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:17,211 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:35:17,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17 WrapperNode [2025-03-15 01:35:17,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:17,213 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:17,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:35:17,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:35:17,227 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,236 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,258 INFO L138 Inliner]: procedures = 175, calls = 51, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 148 [2025-03-15 01:35:17,258 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:17,258 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:35:17,258 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:35:17,259 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:35:17,263 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,264 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,266 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,266 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,271 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,273 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,275 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,277 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,279 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:35:17,279 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:35:17,279 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:35:17,279 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:35:17,280 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (1/1) ... [2025-03-15 01:35:17,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:17,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:35:17,308 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 01:35:17,315 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 01:35:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:35:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:35:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:35:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:35:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:35:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:35:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:35:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:35:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:35:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:35:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:35:17,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:35:17,335 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 01:35:17,448 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:35:17,450 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:35:17,740 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:35:17,740 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:35:17,871 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:35:17,871 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:35:17,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:17 BoogieIcfgContainer [2025-03-15 01:35:17,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:35:17,874 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:35:17,874 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:35:17,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:35:17,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:35:16" (1/3) ... [2025-03-15 01:35:17,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797298bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:17, skipping insertion in model container [2025-03-15 01:35:17,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:17" (2/3) ... [2025-03-15 01:35:17,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@797298bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:17, skipping insertion in model container [2025-03-15 01:35:17,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:17" (3/3) ... [2025-03-15 01:35:17,880 INFO L128 eAbstractionObserver]: Analyzing ICFG mix002.opt.i [2025-03-15 01:35:17,891 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:35:17,892 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix002.opt.i that has 4 procedures, 120 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:35:17,893 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:35:17,949 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:35:17,983 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:35:17,995 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;@1dee35d2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:35:17,995 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:35:18,024 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:35:18,025 INFO L124 PetriNetUnfolderBase]: 0/56 cut-off events. [2025-03-15 01:35:18,027 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:35:18,027 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:18,028 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] [2025-03-15 01:35:18,028 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 01:35:18,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:18,034 INFO L85 PathProgramCache]: Analyzing trace with hash 2117774766, now seen corresponding path program 1 times [2025-03-15 01:35:18,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:18,040 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1250551941] [2025-03-15 01:35:18,040 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:18,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:18,325 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 01:35:18,326 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:18,327 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1250551941] [2025-03-15 01:35:18,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1250551941] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:18,327 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:18,327 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:35:18,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859692585] [2025-03-15 01:35:18,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:18,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:35:18,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:18,353 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:35:18,353 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:35:18,357 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 122 [2025-03-15 01:35:18,360 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 122 transitions, 256 flow. Second operand has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 01:35:18,360 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:18,360 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 122 [2025-03-15 01:35:18,363 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:18,698 INFO L124 PetriNetUnfolderBase]: 372/1069 cut-off events. [2025-03-15 01:35:18,698 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-15 01:35:18,707 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1713 conditions, 1069 events. 372/1069 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 7527 event pairs, 247 based on Foata normal form. 115/930 useless extension candidates. Maximal degree in co-relation 1660. Up to 562 conditions per place. [2025-03-15 01:35:18,715 INFO L140 encePairwiseOnDemand]: 109/122 looper letters, 26 selfloop transitions, 4 changer transitions 0/125 dead transitions. [2025-03-15 01:35:18,715 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 125 transitions, 325 flow [2025-03-15 01:35:18,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:35:18,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:35:18,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 339 transitions. [2025-03-15 01:35:18,728 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9262295081967213 [2025-03-15 01:35:18,730 INFO L298 CegarLoopForPetriNet]: 129 programPoint places, -3 predicate places. [2025-03-15 01:35:18,731 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 125 transitions, 325 flow [2025-03-15 01:35:18,732 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 100.0) internal successors, (300), 3 states have internal predecessors, (300), 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 01:35:18,732 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:18,732 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 01:35:18,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:35:18,732 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 01:35:18,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:18,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1789763183, now seen corresponding path program 1 times [2025-03-15 01:35:18,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:18,734 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288633592] [2025-03-15 01:35:18,734 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:18,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:18,938 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 01:35:18,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:18,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288633592] [2025-03-15 01:35:18,939 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [288633592] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:18,939 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:18,939 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:18,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995537358] [2025-03-15 01:35:18,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:18,944 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:18,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:18,945 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:18,945 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:18,946 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 122 [2025-03-15 01:35:18,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 125 transitions, 325 flow. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 01:35:18,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:18,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 122 [2025-03-15 01:35:18,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:19,125 INFO L124 PetriNetUnfolderBase]: 249/754 cut-off events. [2025-03-15 01:35:19,126 INFO L125 PetriNetUnfolderBase]: For 107/397 co-relation queries the response was YES. [2025-03-15 01:35:19,127 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1602 conditions, 754 events. 249/754 cut-off events. For 107/397 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4705 event pairs, 145 based on Foata normal form. 4/633 useless extension candidates. Maximal degree in co-relation 1546. Up to 359 conditions per place. [2025-03-15 01:35:19,132 INFO L140 encePairwiseOnDemand]: 115/122 looper letters, 23 selfloop transitions, 4 changer transitions 0/122 dead transitions. [2025-03-15 01:35:19,132 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 122 transitions, 367 flow [2025-03-15 01:35:19,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:19,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:19,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 426 transitions. [2025-03-15 01:35:19,134 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8729508196721312 [2025-03-15 01:35:19,134 INFO L298 CegarLoopForPetriNet]: 129 programPoint places, -3 predicate places. [2025-03-15 01:35:19,134 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 122 transitions, 367 flow [2025-03-15 01:35:19,135 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 01:35:19,135 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:19,135 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 01:35:19,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:35:19,135 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 01:35:19,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:19,138 INFO L85 PathProgramCache]: Analyzing trace with hash 898793132, now seen corresponding path program 1 times [2025-03-15 01:35:19,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:19,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317967281] [2025-03-15 01:35:19,138 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:19,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:19,298 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 01:35:19,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:19,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317967281] [2025-03-15 01:35:19,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317967281] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:19,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:19,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:19,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [723683560] [2025-03-15 01:35:19,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:19,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:19,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:19,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:19,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:19,300 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 122 [2025-03-15 01:35:19,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 122 transitions, 367 flow. Second operand has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 01:35:19,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:19,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 122 [2025-03-15 01:35:19,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:19,473 INFO L124 PetriNetUnfolderBase]: 162/678 cut-off events. [2025-03-15 01:35:19,474 INFO L125 PetriNetUnfolderBase]: For 109/209 co-relation queries the response was YES. [2025-03-15 01:35:19,475 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1513 conditions, 678 events. 162/678 cut-off events. For 109/209 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 4185 event pairs, 24 based on Foata normal form. 4/649 useless extension candidates. Maximal degree in co-relation 1454. Up to 219 conditions per place. [2025-03-15 01:35:19,478 INFO L140 encePairwiseOnDemand]: 115/122 looper letters, 27 selfloop transitions, 7 changer transitions 3/132 dead transitions. [2025-03-15 01:35:19,478 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 129 places, 132 transitions, 504 flow [2025-03-15 01:35:19,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:19,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:19,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 436 transitions. [2025-03-15 01:35:19,480 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8934426229508197 [2025-03-15 01:35:19,480 INFO L298 CegarLoopForPetriNet]: 129 programPoint places, 0 predicate places. [2025-03-15 01:35:19,480 INFO L471 AbstractCegarLoop]: Abstraction has has 129 places, 132 transitions, 504 flow [2025-03-15 01:35:19,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 100.5) internal successors, (402), 4 states have internal predecessors, (402), 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 01:35:19,481 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:19,481 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] [2025-03-15 01:35:19,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:35:19,481 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 01:35:19,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:19,481 INFO L85 PathProgramCache]: Analyzing trace with hash 518601729, now seen corresponding path program 1 times [2025-03-15 01:35:19,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:19,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724157770] [2025-03-15 01:35:19,482 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:19,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:19,677 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 01:35:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724157770] [2025-03-15 01:35:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724157770] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:19,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:19,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:35:19,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288304536] [2025-03-15 01:35:19,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:19,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:35:19,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:19,678 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:35:19,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:35:19,679 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 122 [2025-03-15 01:35:19,681 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 132 transitions, 504 flow. Second operand has 5 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 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 01:35:19,681 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:19,681 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 122 [2025-03-15 01:35:19,681 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:19,813 INFO L124 PetriNetUnfolderBase]: 156/504 cut-off events. [2025-03-15 01:35:19,813 INFO L125 PetriNetUnfolderBase]: For 420/856 co-relation queries the response was YES. [2025-03-15 01:35:19,814 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1550 conditions, 504 events. 156/504 cut-off events. For 420/856 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2758 event pairs, 42 based on Foata normal form. 12/486 useless extension candidates. Maximal degree in co-relation 1488. Up to 204 conditions per place. [2025-03-15 01:35:19,815 INFO L140 encePairwiseOnDemand]: 115/122 looper letters, 0 selfloop transitions, 0 changer transitions 131/131 dead transitions. [2025-03-15 01:35:19,816 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 131 transitions, 568 flow [2025-03-15 01:35:19,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:35:19,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:35:19,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 534 transitions. [2025-03-15 01:35:19,818 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8754098360655738 [2025-03-15 01:35:19,819 INFO L298 CegarLoopForPetriNet]: 129 programPoint places, 1 predicate places. [2025-03-15 01:35:19,819 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 131 transitions, 568 flow [2025-03-15 01:35:19,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 101.2) internal successors, (506), 5 states have internal predecessors, (506), 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 01:35:19,826 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix002.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:35:19,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:35:19,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:35:19,841 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:35:19,842 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:35:19,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:35:19,843 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:35:19,846 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:35:19,847 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:35:19,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:35:19 BasicIcfg [2025-03-15 01:35:19,852 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:35:19,852 INFO L158 Benchmark]: Toolchain (without parser) took 3023.02ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 43.2MB in the beginning and 38.3MB in the end (delta: 4.9MB). Peak memory consumption was 57.3MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,852 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 71.3MB. Free memory is still 36.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:35:19,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 381.77ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 18.8MB in the end (delta: 24.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,853 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.57ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 42.6MB in the end (delta: -23.8MB). Peak memory consumption was 2.9MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,853 INFO L158 Benchmark]: Boogie Preprocessor took 20.20ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.7MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,853 INFO L158 Benchmark]: RCFGBuilder took 593.17ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 21.9MB in the end (delta: 18.8MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,853 INFO L158 Benchmark]: TraceAbstraction took 1977.45ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 20.7MB in the beginning and 38.3MB in the end (delta: -17.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. [2025-03-15 01:35:19,856 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 is still 36.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 381.77ms. Allocated memory is still 71.3MB. Free memory was 43.0MB in the beginning and 18.8MB in the end (delta: 24.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 44.57ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 42.6MB in the end (delta: -23.8MB). Peak memory consumption was 2.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.20ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 40.7MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 593.17ms. Allocated memory is still 71.3MB. Free memory was 40.7MB in the beginning and 21.9MB in the end (delta: 18.8MB). Peak memory consumption was 27.6MB. Max. memory is 8.0GB. * TraceAbstraction took 1977.45ms. Allocated memory was 71.3MB in the beginning and 125.8MB in the end (delta: 54.5MB). Free memory was 20.7MB in the beginning and 38.3MB in the end (delta: -17.7MB). Peak memory consumption was 36.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 798]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 843]: 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, 157 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: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 58 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 172 IncrementalHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 mSolverCounterUnsat, 4 mSDtfsCounter, 172 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=568occurred 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, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 708 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 01:35:19,869 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...