/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/mix006.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:35:40,338 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:35:40,423 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 01:35:40,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:35:40,453 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:35:40,453 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:35:40,454 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:35:40,454 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:35:40,455 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:35:40,455 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:35:40,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:40,456 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:35:40,456 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:35:40,457 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:35:40,457 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:35:40,457 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 01:35:40,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:35:40,729 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:35:40,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:35:40,731 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:35:40,731 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:35:40,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2025-03-15 01:35:41,905 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef689b62/8fc96d4e852a4165b9df50d8af991ca7/FLAG1c4c63854 [2025-03-15 01:35:42,152 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:35:42,152 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix006.opt.i [2025-03-15 01:35:42,172 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef689b62/8fc96d4e852a4165b9df50d8af991ca7/FLAG1c4c63854 [2025-03-15 01:35:42,190 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bef689b62/8fc96d4e852a4165b9df50d8af991ca7 [2025-03-15 01:35:42,192 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:35:42,195 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:35:42,196 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:42,196 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:35:42,199 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:35:42,200 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11b82e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42, skipping insertion in model container [2025-03-15 01:35:42,201 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,231 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:35:42,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:42,544 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:35:42,596 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:35:42,625 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:35:42,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42 WrapperNode [2025-03-15 01:35:42,626 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:35:42,627 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:42,627 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:35:42,627 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:35:42,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,654 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,675 INFO L138 Inliner]: procedures = 175, calls = 47, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 145 [2025-03-15 01:35:42,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:35:42,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:35:42,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:35:42,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:35:42,681 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,683 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,684 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,690 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,694 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,695 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,697 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,708 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:35:42,708 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:35:42,708 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:35:42,708 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:35:42,709 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (1/1) ... [2025-03-15 01:35:42,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:35:42,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:35:42,734 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 01:35:42,737 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 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:35:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:35:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:35:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:35:42,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:35:42,756 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:35:42,758 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 01:35:42,842 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:35:42,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:35:43,108 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:35:43,108 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:35:43,262 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:35:43,262 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:35:43,262 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:43 BoogieIcfgContainer [2025-03-15 01:35:43,263 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:35:43,264 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:35:43,264 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:35:43,268 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:35:43,269 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:35:42" (1/3) ... [2025-03-15 01:35:43,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3abc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:43, skipping insertion in model container [2025-03-15 01:35:43,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:35:42" (2/3) ... [2025-03-15 01:35:43,270 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f3abc9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:35:43, skipping insertion in model container [2025-03-15 01:35:43,270 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:35:43" (3/3) ... [2025-03-15 01:35:43,271 INFO L128 eAbstractionObserver]: Analyzing ICFG mix006.opt.i [2025-03-15 01:35:43,282 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:35:43,283 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix006.opt.i that has 4 procedures, 115 locations, 1 initial locations, 0 loop locations, and 6 error locations. [2025-03-15 01:35:43,283 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:35:43,348 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:35:43,379 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:35:43,391 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;@2f81dde4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:35:43,391 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2025-03-15 01:35:43,422 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:35:43,423 INFO L124 PetriNetUnfolderBase]: 0/50 cut-off events. [2025-03-15 01:35:43,425 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:35:43,425 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:43,426 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] [2025-03-15 01:35:43,426 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 01:35:43,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:43,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1784321254, now seen corresponding path program 1 times [2025-03-15 01:35:43,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:43,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833757033] [2025-03-15 01:35:43,438 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:43,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:43,690 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 01:35:43,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:43,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833757033] [2025-03-15 01:35:43,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1833757033] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:43,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:43,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:35:43,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285546449] [2025-03-15 01:35:43,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:43,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:35:43,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:43,715 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:35:43,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:35:43,717 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2025-03-15 01:35:43,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 117 transitions, 246 flow. Second operand has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 01:35:43,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:43,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2025-03-15 01:35:43,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:44,004 INFO L124 PetriNetUnfolderBase]: 372/872 cut-off events. [2025-03-15 01:35:44,004 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2025-03-15 01:35:44,011 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1516 conditions, 872 events. 372/872 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 5725 event pairs, 81 based on Foata normal form. 209/892 useless extension candidates. Maximal degree in co-relation 1466. Up to 562 conditions per place. [2025-03-15 01:35:44,018 INFO L140 encePairwiseOnDemand]: 104/117 looper letters, 26 selfloop transitions, 4 changer transitions 0/120 dead transitions. [2025-03-15 01:35:44,019 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 120 transitions, 315 flow [2025-03-15 01:35:44,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:35:44,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:35:44,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 324 transitions. [2025-03-15 01:35:44,028 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9230769230769231 [2025-03-15 01:35:44,032 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2025-03-15 01:35:44,032 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 120 transitions, 315 flow [2025-03-15 01:35:44,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 95.0) internal successors, (285), 3 states have internal predecessors, (285), 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 01:35:44,033 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:44,033 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] [2025-03-15 01:35:44,033 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:35:44,034 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 01:35:44,034 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:44,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1726805330, now seen corresponding path program 1 times [2025-03-15 01:35:44,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:44,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895695756] [2025-03-15 01:35:44,035 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:44,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:44,236 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 01:35:44,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:44,236 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895695756] [2025-03-15 01:35:44,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895695756] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:44,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:44,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:44,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773747661] [2025-03-15 01:35:44,236 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:44,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:44,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:44,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:44,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:44,241 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2025-03-15 01:35:44,242 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 120 transitions, 315 flow. Second operand has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 01:35:44,242 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:44,242 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2025-03-15 01:35:44,242 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:44,435 INFO L124 PetriNetUnfolderBase]: 249/767 cut-off events. [2025-03-15 01:35:44,435 INFO L125 PetriNetUnfolderBase]: For 81/237 co-relation queries the response was YES. [2025-03-15 01:35:44,437 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1615 conditions, 767 events. 249/767 cut-off events. For 81/237 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 4680 event pairs, 139 based on Foata normal form. 4/667 useless extension candidates. Maximal degree in co-relation 1562. Up to 359 conditions per place. [2025-03-15 01:35:44,442 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 23 selfloop transitions, 4 changer transitions 0/117 dead transitions. [2025-03-15 01:35:44,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 117 transitions, 357 flow [2025-03-15 01:35:44,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:44,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:44,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 406 transitions. [2025-03-15 01:35:44,445 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8675213675213675 [2025-03-15 01:35:44,446 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, -3 predicate places. [2025-03-15 01:35:44,446 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 117 transitions, 357 flow [2025-03-15 01:35:44,446 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 01:35:44,446 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:44,446 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] [2025-03-15 01:35:44,446 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:35:44,446 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 01:35:44,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:44,449 INFO L85 PathProgramCache]: Analyzing trace with hash -1326402151, now seen corresponding path program 1 times [2025-03-15 01:35:44,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:44,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024779336] [2025-03-15 01:35:44,450 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:44,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:44,580 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 01:35:44,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:44,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024779336] [2025-03-15 01:35:44,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024779336] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:44,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:44,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:35:44,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2130558076] [2025-03-15 01:35:44,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:44,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:35:44,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:44,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:35:44,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:35:44,582 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2025-03-15 01:35:44,583 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 117 transitions, 357 flow. Second operand has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 01:35:44,583 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:44,583 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2025-03-15 01:35:44,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:44,765 INFO L124 PetriNetUnfolderBase]: 162/497 cut-off events. [2025-03-15 01:35:44,766 INFO L125 PetriNetUnfolderBase]: For 188/406 co-relation queries the response was YES. [2025-03-15 01:35:44,767 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1332 conditions, 497 events. 162/497 cut-off events. For 188/406 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 2759 event pairs, 48 based on Foata normal form. 4/472 useless extension candidates. Maximal degree in co-relation 1276. Up to 219 conditions per place. [2025-03-15 01:35:44,770 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 27 selfloop transitions, 7 changer transitions 3/127 dead transitions. [2025-03-15 01:35:44,771 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 127 transitions, 494 flow [2025-03-15 01:35:44,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:35:44,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:35:44,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 416 transitions. [2025-03-15 01:35:44,774 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2025-03-15 01:35:44,775 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, 0 predicate places. [2025-03-15 01:35:44,775 INFO L471 AbstractCegarLoop]: Abstraction has has 124 places, 127 transitions, 494 flow [2025-03-15 01:35:44,775 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 95.5) internal successors, (382), 4 states have internal predecessors, (382), 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 01:35:44,775 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:35:44,775 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] [2025-03-15 01:35:44,776 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:35:44,776 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 01:35:44,777 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:35:44,777 INFO L85 PathProgramCache]: Analyzing trace with hash -1246628118, now seen corresponding path program 1 times [2025-03-15 01:35:44,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:35:44,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498875058] [2025-03-15 01:35:44,777 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:35:44,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:35:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:35:44,990 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 01:35:44,990 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:35:44,990 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498875058] [2025-03-15 01:35:44,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498875058] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:35:44,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:35:44,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:35:44,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16210556] [2025-03-15 01:35:44,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:35:44,991 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:35:44,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:35:44,991 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:35:44,991 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:35:44,992 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 94 out of 117 [2025-03-15 01:35:44,992 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 124 places, 127 transitions, 494 flow. Second operand has 5 states, 5 states have (on average 96.2) internal successors, (481), 5 states have internal predecessors, (481), 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 01:35:44,992 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:35:44,992 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 94 of 117 [2025-03-15 01:35:44,992 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:35:45,152 INFO L124 PetriNetUnfolderBase]: 156/658 cut-off events. [2025-03-15 01:35:45,152 INFO L125 PetriNetUnfolderBase]: For 219/381 co-relation queries the response was YES. [2025-03-15 01:35:45,154 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1704 conditions, 658 events. 156/658 cut-off events. For 219/381 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 4033 event pairs, 24 based on Foata normal form. 6/639 useless extension candidates. Maximal degree in co-relation 1645. Up to 204 conditions per place. [2025-03-15 01:35:45,155 INFO L140 encePairwiseOnDemand]: 110/117 looper letters, 0 selfloop transitions, 0 changer transitions 126/126 dead transitions. [2025-03-15 01:35:45,155 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 126 transitions, 558 flow [2025-03-15 01:35:45,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:35:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:35:45,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 509 transitions. [2025-03-15 01:35:45,156 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8700854700854701 [2025-03-15 01:35:45,157 INFO L298 CegarLoopForPetriNet]: 124 programPoint places, 1 predicate places. [2025-03-15 01:35:45,157 INFO L471 AbstractCegarLoop]: Abstraction has has 125 places, 126 transitions, 558 flow [2025-03-15 01:35:45,157 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 96.2) internal successors, (481), 5 states have internal predecessors, (481), 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 01:35:45,163 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix006.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:35:45,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining) [2025-03-15 01:35:45,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining) [2025-03-15 01:35:45,180 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:35:45,180 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-15 01:35:45,183 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:35:45,183 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:35:45,189 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:35:45 BasicIcfg [2025-03-15 01:35:45,189 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:35:45,190 INFO L158 Benchmark]: Toolchain (without parser) took 2996.15ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 42.6MB in the beginning and 51.4MB in the end (delta: -8.8MB). Peak memory consumption was 70.4MB. Max. memory is 8.0GB. [2025-03-15 01:35:45,190 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:35:45,190 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.64ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 18.8MB in the end (delta: 23.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:35:45,191 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.63ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 43.0MB in the end (delta: -24.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. [2025-03-15 01:35:45,191 INFO L158 Benchmark]: Boogie Preprocessor took 31.40ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:35:45,191 INFO L158 Benchmark]: RCFGBuilder took 554.39ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 22.9MB in the end (delta: 18.1MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. [2025-03-15 01:35:45,191 INFO L158 Benchmark]: TraceAbstraction took 1924.81ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 21.6MB in the beginning and 51.4MB in the end (delta: -29.8MB). Peak memory consumption was 49.5MB. Max. memory is 8.0GB. [2025-03-15 01:35:45,192 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 34.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 429.64ms. Allocated memory is still 71.3MB. Free memory was 42.5MB in the beginning and 18.8MB in the end (delta: 23.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 48.63ms. Allocated memory is still 71.3MB. Free memory was 18.8MB in the beginning and 43.0MB in the end (delta: -24.2MB). Peak memory consumption was 6.9MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.40ms. Allocated memory is still 71.3MB. Free memory was 42.7MB in the beginning and 41.0MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 554.39ms. Allocated memory is still 71.3MB. Free memory was 41.0MB in the beginning and 22.9MB in the end (delta: 18.1MB). Peak memory consumption was 31.7MB. Max. memory is 8.0GB. * TraceAbstraction took 1924.81ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 21.6MB in the beginning and 51.4MB in the end (delta: -29.8MB). Peak memory consumption was 49.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 755]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 786]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 831]: 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, 150 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, 56 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 4 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 22 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 170 IncrementalHoareTripleChecker+Invalid, 192 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 22 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=558occurred 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, 236 NumberOfCodeBlocks, 236 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 232 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 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 01:35:45,206 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...