/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/mix043.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:37:55,748 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:37:55,846 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 01:37:55,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:37:55,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:37:55,904 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:37:55,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:37:55,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:37:55,904 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:37:55,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:37:55,904 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:37:55,904 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:37:55,905 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:37:55,905 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:37:55,907 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:37:55,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:55,907 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:37:55,907 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:37:55,907 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:37:55,907 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:37:55,908 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:37:55,908 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:37:55,908 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 01:37:56,175 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:37:56,182 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:37:56,184 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:37:56,185 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:37:56,186 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:37:56,187 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043.opt.i [2025-03-15 01:37:57,398 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4527b717d/4e83b1dd1c1f4f3f93afda3cdec599a3/FLAG69b792991 [2025-03-15 01:37:57,663 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:37:57,664 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043.opt.i [2025-03-15 01:37:57,679 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4527b717d/4e83b1dd1c1f4f3f93afda3cdec599a3/FLAG69b792991 [2025-03-15 01:37:57,696 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4527b717d/4e83b1dd1c1f4f3f93afda3cdec599a3 [2025-03-15 01:37:57,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:37:57,698 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:37:57,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:57,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:37:57,705 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:37:57,709 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:57" (1/1) ... [2025-03-15 01:37:57,710 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c5716f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:57, skipping insertion in model container [2025-03-15 01:37:57,710 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:57" (1/1) ... [2025-03-15 01:37:57,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:37:58,030 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:58,043 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:37:58,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:58,132 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:37:58,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58 WrapperNode [2025-03-15 01:37:58,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:58,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:58,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:37:58,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:37:58,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,175 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 160 [2025-03-15 01:37:58,176 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:58,176 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:37:58,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:37:58,176 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:37:58,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,184 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,184 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,190 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,191 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,195 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,197 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,197 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,199 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:37:58,200 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:37:58,200 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:37:58,200 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:37:58,201 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (1/1) ... [2025-03-15 01:37:58,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:58,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:37:58,240 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 01:37:58,247 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 01:37:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:37:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:37:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:37:58,268 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:37:58,268 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:37:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:37:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:37:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:37:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:37:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:37:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:37:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:37:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:37:58,269 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:37:58,271 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 01:37:58,398 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:37:58,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:37:58,672 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:37:58,672 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:37:58,791 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:37:58,791 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:37:58,792 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:58 BoogieIcfgContainer [2025-03-15 01:37:58,792 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:37:58,794 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:37:58,794 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:37:58,798 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:37:58,798 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:37:57" (1/3) ... [2025-03-15 01:37:58,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c78529c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:58, skipping insertion in model container [2025-03-15 01:37:58,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:58" (2/3) ... [2025-03-15 01:37:58,799 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c78529c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:58, skipping insertion in model container [2025-03-15 01:37:58,799 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:58" (3/3) ... [2025-03-15 01:37:58,800 INFO L128 eAbstractionObserver]: Analyzing ICFG mix043.opt.i [2025-03-15 01:37:58,810 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:37:58,811 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix043.opt.i that has 5 procedures, 136 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:37:58,811 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:37:58,873 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:37:58,910 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:37:58,924 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;@21842b18, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:37:58,925 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:37:58,963 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:37:58,964 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-03-15 01:37:58,967 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:37:58,968 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:58,968 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:37:58,969 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:58,974 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:58,974 INFO L85 PathProgramCache]: Analyzing trace with hash 1468545765, now seen corresponding path program 1 times [2025-03-15 01:37:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:58,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [931628759] [2025-03-15 01:37:58,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:58,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:59,220 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 01:37:59,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:59,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [931628759] [2025-03-15 01:37:59,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [931628759] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:59,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:59,222 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:37:59,222 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177079382] [2025-03-15 01:37:59,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:59,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:37:59,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:59,257 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:37:59,257 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:37:59,259 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:37:59,264 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 138 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 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 01:37:59,264 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:59,265 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:37:59,266 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:00,558 INFO L124 PetriNetUnfolderBase]: 3018/8623 cut-off events. [2025-03-15 01:38:00,559 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:38:00,601 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13042 conditions, 8623 events. 3018/8623 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 93168 event pairs, 2401 based on Foata normal form. 899/7386 useless extension candidates. Maximal degree in co-relation 12987. Up to 4247 conditions per place. [2025-03-15 01:38:00,640 INFO L140 encePairwiseOnDemand]: 122/138 looper letters, 31 selfloop transitions, 5 changer transitions 0/142 dead transitions. [2025-03-15 01:38:00,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 142 transitions, 377 flow [2025-03-15 01:38:00,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:38:00,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:38:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2025-03-15 01:38:00,650 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9251207729468599 [2025-03-15 01:38:00,653 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2025-03-15 01:38:00,653 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 142 transitions, 377 flow [2025-03-15 01:38:00,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:00,653 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:00,654 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:38:00,654 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:38:00,654 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:00,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:00,655 INFO L85 PathProgramCache]: Analyzing trace with hash 985060858, now seen corresponding path program 1 times [2025-03-15 01:38:00,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:00,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1490472248] [2025-03-15 01:38:00,655 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:00,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:00,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:00,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:38:00,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:00,758 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1490472248] [2025-03-15 01:38:00,758 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1490472248] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:00,758 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:00,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:00,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972756479] [2025-03-15 01:38:00,759 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:00,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:00,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:00,760 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:00,760 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:00,761 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:38:00,761 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 142 transitions, 377 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:00,761 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:00,761 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:38:00,763 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:01,287 INFO L124 PetriNetUnfolderBase]: 1319/4102 cut-off events. [2025-03-15 01:38:01,288 INFO L125 PetriNetUnfolderBase]: For 207/537 co-relation queries the response was YES. [2025-03-15 01:38:01,300 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7991 conditions, 4102 events. 1319/4102 cut-off events. For 207/537 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 38949 event pairs, 927 based on Foata normal form. 6/3391 useless extension candidates. Maximal degree in co-relation 7933. Up to 1854 conditions per place. [2025-03-15 01:38:01,325 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 27 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2025-03-15 01:38:01,325 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 138 transitions, 425 flow [2025-03-15 01:38:01,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:01,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:01,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 480 transitions. [2025-03-15 01:38:01,328 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043 [2025-03-15 01:38:01,329 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2025-03-15 01:38:01,329 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 425 flow [2025-03-15 01:38:01,329 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:01,329 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:01,329 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:38:01,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:38:01,330 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:01,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:01,330 INFO L85 PathProgramCache]: Analyzing trace with hash 985060859, now seen corresponding path program 1 times [2025-03-15 01:38:01,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:01,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168150611] [2025-03-15 01:38:01,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:01,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:01,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:38:01,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:01,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168150611] [2025-03-15 01:38:01,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168150611] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:01,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:01,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:38:01,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067301306] [2025-03-15 01:38:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:01,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:38:01,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:01,438 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:38:01,438 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:38:01,438 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:38:01,439 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 138 transitions, 425 flow. Second operand has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:01,439 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:01,439 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:38:01,439 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:01,761 INFO L124 PetriNetUnfolderBase]: 646/1720 cut-off events. [2025-03-15 01:38:01,761 INFO L125 PetriNetUnfolderBase]: For 287/607 co-relation queries the response was YES. [2025-03-15 01:38:01,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4724 conditions, 1720 events. 646/1720 cut-off events. For 287/607 co-relation queries the response was YES. Maximal size of possible extension queue 128. Compared 12931 event pairs, 116 based on Foata normal form. 10/1528 useless extension candidates. Maximal degree in co-relation 4663. Up to 932 conditions per place. [2025-03-15 01:38:01,771 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 35 selfloop transitions, 9 changer transitions 0/150 dead transitions. [2025-03-15 01:38:01,772 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 150 transitions, 591 flow [2025-03-15 01:38:01,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:38:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:38:01,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 492 transitions. [2025-03-15 01:38:01,775 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8913043478260869 [2025-03-15 01:38:01,776 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2025-03-15 01:38:01,776 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 150 transitions, 591 flow [2025-03-15 01:38:01,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 112.25) internal successors, (449), 4 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:01,776 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:01,777 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] [2025-03-15 01:38:01,777 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:38:01,777 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:01,778 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:01,779 INFO L85 PathProgramCache]: Analyzing trace with hash -1531478648, now seen corresponding path program 1 times [2025-03-15 01:38:01,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:01,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337065256] [2025-03-15 01:38:01,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:01,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:01,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:38:01,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:01,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337065256] [2025-03-15 01:38:01,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337065256] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:01,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:01,893 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:38:01,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835798439] [2025-03-15 01:38:01,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:01,894 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:38:01,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:01,894 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:38:01,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:38:01,895 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:38:01,895 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 150 transitions, 591 flow. Second operand has 5 states, 5 states have (on average 112.6) internal successors, (563), 5 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:01,895 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:01,895 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:38:01,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:02,109 INFO L124 PetriNetUnfolderBase]: 454/1390 cut-off events. [2025-03-15 01:38:02,109 INFO L125 PetriNetUnfolderBase]: For 598/1102 co-relation queries the response was YES. [2025-03-15 01:38:02,113 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4161 conditions, 1390 events. 454/1390 cut-off events. For 598/1102 co-relation queries the response was YES. Maximal size of possible extension queue 87. Compared 10205 event pairs, 54 based on Foata normal form. 29/1346 useless extension candidates. Maximal degree in co-relation 4097. Up to 629 conditions per place. [2025-03-15 01:38:02,119 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 38 selfloop transitions, 13 changer transitions 4/161 dead transitions. [2025-03-15 01:38:02,119 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 161 transitions, 792 flow [2025-03-15 01:38:02,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:38:02,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:38:02,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions. [2025-03-15 01:38:02,121 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8898550724637682 [2025-03-15 01:38:02,122 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2025-03-15 01:38:02,122 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 161 transitions, 792 flow [2025-03-15 01:38:02,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 112.6) internal successors, (563), 5 states have internal predecessors, (563), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:02,122 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:38:02,122 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:38:02,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:38:02,123 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:38:02,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:38:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash -572480589, now seen corresponding path program 1 times [2025-03-15 01:38:02,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:38:02,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470859171] [2025-03-15 01:38:02,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:38:02,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:38:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:38:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:38:02,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:38:02,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470859171] [2025-03-15 01:38:02,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470859171] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:38:02,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:38:02,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:38:02,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [300772425] [2025-03-15 01:38:02,299 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:38:02,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:38:02,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:38:02,300 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:38:02,300 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:38:02,300 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:38:02,301 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 161 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:02,301 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:38:02,301 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:38:02,301 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:38:02,562 INFO L124 PetriNetUnfolderBase]: 442/1354 cut-off events. [2025-03-15 01:38:02,562 INFO L125 PetriNetUnfolderBase]: For 927/1503 co-relation queries the response was YES. [2025-03-15 01:38:02,566 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4667 conditions, 1354 events. 442/1354 cut-off events. For 927/1503 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 9674 event pairs, 78 based on Foata normal form. 24/1325 useless extension candidates. Maximal degree in co-relation 4600. Up to 601 conditions per place. [2025-03-15 01:38:02,568 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 0 selfloop transitions, 0 changer transitions 160/160 dead transitions. [2025-03-15 01:38:02,568 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 160 transitions, 890 flow [2025-03-15 01:38:02,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:38:02,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:38:02,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 724 transitions. [2025-03-15 01:38:02,573 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8743961352657005 [2025-03-15 01:38:02,575 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 3 predicate places. [2025-03-15 01:38:02,575 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 160 transitions, 890 flow [2025-03-15 01:38:02,576 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.0) internal successors, (678), 6 states have internal predecessors, (678), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:38:02,582 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix043.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:38:02,600 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:38:02,601 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:38:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:38:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:38:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:38:02,602 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:38:02,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:38:02,602 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:38:02,607 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:38:02,607 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:38:02,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:38:02 BasicIcfg [2025-03-15 01:38:02,611 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:38:02,611 INFO L158 Benchmark]: Toolchain (without parser) took 4912.95ms. Allocated memory was 71.3MB in the beginning and 444.6MB in the end (delta: 373.3MB). Free memory was 42.8MB in the beginning and 190.8MB in the end (delta: -148.1MB). Peak memory consumption was 364.3MB. Max. memory is 8.0GB. [2025-03-15 01:38:02,611 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:02,611 INFO L158 Benchmark]: CACSL2BoogieTranslator took 433.93ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 19.5MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:38:02,612 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.03ms. Allocated memory is still 71.3MB. Free memory was 19.5MB in the beginning and 43.1MB in the end (delta: -23.6MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 01:38:02,612 INFO L158 Benchmark]: Boogie Preprocessor took 23.52ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:38:02,612 INFO L158 Benchmark]: RCFGBuilder took 591.88ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 26.9MB in the end (delta: 14.2MB). Peak memory consumption was 32.1MB. Max. memory is 8.0GB. [2025-03-15 01:38:02,612 INFO L158 Benchmark]: TraceAbstraction took 3816.83ms. Allocated memory was 71.3MB in the beginning and 444.6MB in the end (delta: 373.3MB). Free memory was 25.9MB in the beginning and 190.8MB in the end (delta: -164.9MB). Peak memory consumption was 347.2MB. Max. memory is 8.0GB. [2025-03-15 01:38:02,616 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 71.3MB. Free memory was 35.1MB in the beginning and 35.1MB in the end (delta: 42.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 433.93ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 19.5MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.03ms. Allocated memory is still 71.3MB. Free memory was 19.5MB in the beginning and 43.1MB in the end (delta: -23.6MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.52ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 41.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 591.88ms. Allocated memory is still 71.3MB. Free memory was 41.1MB in the beginning and 26.9MB in the end (delta: 14.2MB). Peak memory consumption was 32.1MB. Max. memory is 8.0GB. * TraceAbstraction took 3816.83ms. Allocated memory was 71.3MB in the beginning and 444.6MB in the end (delta: 373.3MB). Free memory was 25.9MB in the beginning and 190.8MB in the end (delta: -164.9MB). Peak memory consumption was 347.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 762]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 777]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 797]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 833]: 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 9 procedures, 182 locations, 20 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: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 46 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 286 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 46 mSolverCounterUnsat, 5 mSDtfsCounter, 286 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=890occurred in iteration=5, InterpolantAutomatonStates: 22, 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, 336 NumberOfCodeBlocks, 336 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 331 ConstructedInterpolants, 0 QuantifiedInterpolants, 933 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 8 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:38:02,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...