/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/mix037.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:37:44,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:37:44,267 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 01:37:44,296 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:37:44,297 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:37:44,297 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:37:44,297 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:37:44,297 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:37:44,297 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:37:44,298 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:37:44,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:37:44,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:44,299 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:37:44,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:37:44,299 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 01:37:44,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:37:44,641 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:37:44,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:37:44,645 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:37:44,646 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:37:44,648 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix037.opt.i [2025-03-15 01:37:45,923 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7988d5b8/dbfffcf5ea4e4fe386ef8ebcd96321df/FLAGd557c8e1e [2025-03-15 01:37:46,182 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:37:46,182 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix037.opt.i [2025-03-15 01:37:46,201 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7988d5b8/dbfffcf5ea4e4fe386ef8ebcd96321df/FLAGd557c8e1e [2025-03-15 01:37:46,507 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7988d5b8/dbfffcf5ea4e4fe386ef8ebcd96321df [2025-03-15 01:37:46,509 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:37:46,510 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:37:46,511 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:46,511 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:37:46,514 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:37:46,515 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,515 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b61a341 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46, skipping insertion in model container [2025-03-15 01:37:46,516 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,551 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:37:46,777 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:46,786 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:37:46,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:37:46,883 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:37:46,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46 WrapperNode [2025-03-15 01:37:46,884 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:37:46,885 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:46,885 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:37:46,885 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:37:46,889 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,949 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 141 [2025-03-15 01:37:46,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:37:46,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:37:46,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:37:46,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:37:46,956 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,956 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,964 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,970 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,973 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,974 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,983 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:37:46,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:37:46,984 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:37:46,984 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:37:46,989 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (1/1) ... [2025-03-15 01:37:46,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:37:47,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:37:47,018 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 01:37:47,023 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 01:37:47,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:37:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:37:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:37:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:37:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:37:47,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:37:47,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:37:47,042 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 01:37:47,139 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:37:47,140 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:37:47,400 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:37:47,400 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:37:47,536 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:37:47,537 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:37:47,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:47 BoogieIcfgContainer [2025-03-15 01:37:47,537 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:37:47,539 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:37:47,540 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:37:47,544 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:37:47,544 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:37:46" (1/3) ... [2025-03-15 01:37:47,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54da074d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:47, skipping insertion in model container [2025-03-15 01:37:47,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:37:46" (2/3) ... [2025-03-15 01:37:47,545 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54da074d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:37:47, skipping insertion in model container [2025-03-15 01:37:47,545 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:37:47" (3/3) ... [2025-03-15 01:37:47,546 INFO L128 eAbstractionObserver]: Analyzing ICFG mix037.opt.i [2025-03-15 01:37:47,558 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:37:47,560 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix037.opt.i that has 5 procedures, 136 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:37:47,561 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:37:47,625 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:37:47,664 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:37:47,674 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;@11905f21, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:37:47,674 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:37:47,710 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:37:47,711 INFO L124 PetriNetUnfolderBase]: 0/53 cut-off events. [2025-03-15 01:37:47,712 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:37:47,712 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:47,713 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 01:37:47,713 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 01:37:47,719 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:47,719 INFO L85 PathProgramCache]: Analyzing trace with hash -327725022, now seen corresponding path program 1 times [2025-03-15 01:37:47,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:47,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497550136] [2025-03-15 01:37:47,726 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:47,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:48,005 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 01:37:48,005 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:48,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497550136] [2025-03-15 01:37:48,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [497550136] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:48,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:48,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:37:48,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081294460] [2025-03-15 01:37:48,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:48,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:37:48,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:48,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:37:48,045 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:37:48,048 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:48,052 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 148 places, 138 transitions, 292 flow. Second operand has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 01:37:48,054 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:48,054 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:48,056 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:48,974 INFO L124 PetriNetUnfolderBase]: 2210/4087 cut-off events. [2025-03-15 01:37:48,974 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:37:48,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7392 conditions, 4087 events. 2210/4087 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 419. Compared 32534 event pairs, 1752 based on Foata normal form. 829/3519 useless extension candidates. Maximal degree in co-relation 7337. Up to 3146 conditions per place. [2025-03-15 01:37:49,026 INFO L140 encePairwiseOnDemand]: 122/138 looper letters, 29 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2025-03-15 01:37:49,026 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 141 transitions, 371 flow [2025-03-15 01:37:49,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:37:49,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:37:49,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2025-03-15 01:37:49,035 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.927536231884058 [2025-03-15 01:37:49,037 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2025-03-15 01:37:49,037 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 141 transitions, 371 flow [2025-03-15 01:37:49,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.0) internal successors, (339), 3 states have internal predecessors, (339), 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 01:37:49,038 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:49,038 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 01:37:49,038 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:37:49,038 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:49,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:49,039 INFO L85 PathProgramCache]: Analyzing trace with hash -2028034857, now seen corresponding path program 1 times [2025-03-15 01:37:49,039 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:49,039 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361381588] [2025-03-15 01:37:49,039 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:49,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:49,264 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 01:37:49,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:49,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361381588] [2025-03-15 01:37:49,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [361381588] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:49,265 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:49,265 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:49,265 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [959299422] [2025-03-15 01:37:49,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:49,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:49,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:49,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:49,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:49,270 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:49,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 141 transitions, 371 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:49,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:49,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:49,270 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:49,734 INFO L124 PetriNetUnfolderBase]: 1230/2660 cut-off events. [2025-03-15 01:37:49,734 INFO L125 PetriNetUnfolderBase]: For 200/450 co-relation queries the response was YES. [2025-03-15 01:37:49,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6635 conditions, 2660 events. 1230/2660 cut-off events. For 200/450 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 21511 event pairs, 463 based on Foata normal form. 12/2021 useless extension candidates. Maximal degree in co-relation 6577. Up to 1904 conditions per place. [2025-03-15 01:37:49,762 INFO L140 encePairwiseOnDemand]: 125/138 looper letters, 36 selfloop transitions, 13 changer transitions 0/156 dead transitions. [2025-03-15 01:37:49,762 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 156 transitions, 535 flow [2025-03-15 01:37:49,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:49,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:49,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 501 transitions. [2025-03-15 01:37:49,767 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.907608695652174 [2025-03-15 01:37:49,767 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -1 predicate places. [2025-03-15 01:37:49,768 INFO L471 AbstractCegarLoop]: Abstraction has has 147 places, 156 transitions, 535 flow [2025-03-15 01:37:49,768 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:49,768 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:49,768 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:37:49,768 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:37:49,768 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] === [2025-03-15 01:37:49,769 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:49,769 INFO L85 PathProgramCache]: Analyzing trace with hash -2028034858, now seen corresponding path program 1 times [2025-03-15 01:37:49,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:49,769 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17382487] [2025-03-15 01:37:49,769 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:49,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:49,844 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 01:37:49,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:49,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17382487] [2025-03-15 01:37:49,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17382487] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:49,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:49,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:37:49,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177788677] [2025-03-15 01:37:49,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:49,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:37:49,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:49,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:37:49,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:37:49,846 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:49,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 156 transitions, 535 flow. Second operand has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:49,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:49,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:49,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:50,067 INFO L124 PetriNetUnfolderBase]: 472/1231 cut-off events. [2025-03-15 01:37:50,067 INFO L125 PetriNetUnfolderBase]: For 318/596 co-relation queries the response was YES. [2025-03-15 01:37:50,073 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3476 conditions, 1231 events. 472/1231 cut-off events. For 318/596 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 8493 event pairs, 84 based on Foata normal form. 10/1095 useless extension candidates. Maximal degree in co-relation 3415. Up to 692 conditions per place. [2025-03-15 01:37:50,084 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 36 selfloop transitions, 5 changer transitions 0/148 dead transitions. [2025-03-15 01:37:50,084 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 148 transitions, 569 flow [2025-03-15 01:37:50,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:37:50,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:37:50,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 482 transitions. [2025-03-15 01:37:50,086 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8731884057971014 [2025-03-15 01:37:50,086 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2025-03-15 01:37:50,086 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 148 transitions, 569 flow [2025-03-15 01:37:50,087 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 113.25) internal successors, (453), 4 states have internal predecessors, (453), 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 01:37:50,087 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:50,087 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 01:37:50,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:37:50,087 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 01:37:50,088 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:50,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1612183718, now seen corresponding path program 1 times [2025-03-15 01:37:50,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:50,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [390398209] [2025-03-15 01:37:50,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:50,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:50,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:50,259 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 01:37:50,259 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:50,259 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [390398209] [2025-03-15 01:37:50,259 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [390398209] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:50,259 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:50,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:37:50,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647949059] [2025-03-15 01:37:50,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:50,260 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:37:50,260 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:50,260 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:37:50,260 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:37:50,261 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:50,261 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 148 transitions, 569 flow. Second operand has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 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 01:37:50,261 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:50,261 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:50,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:50,492 INFO L124 PetriNetUnfolderBase]: 334/991 cut-off events. [2025-03-15 01:37:50,492 INFO L125 PetriNetUnfolderBase]: For 623/1127 co-relation queries the response was YES. [2025-03-15 01:37:50,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3074 conditions, 991 events. 334/991 cut-off events. For 623/1127 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6443 event pairs, 51 based on Foata normal form. 26/973 useless extension candidates. Maximal degree in co-relation 3010. Up to 470 conditions per place. [2025-03-15 01:37:50,501 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 34 selfloop transitions, 13 changer transitions 4/158 dead transitions. [2025-03-15 01:37:50,501 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 158 transitions, 754 flow [2025-03-15 01:37:50,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:37:50,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:37:50,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 615 transitions. [2025-03-15 01:37:50,505 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8913043478260869 [2025-03-15 01:37:50,506 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2025-03-15 01:37:50,506 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 158 transitions, 754 flow [2025-03-15 01:37:50,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 113.6) internal successors, (568), 5 states have internal predecessors, (568), 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 01:37:50,506 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:37:50,506 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 01:37:50,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:37:50,506 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 01:37:50,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:37:50,507 INFO L85 PathProgramCache]: Analyzing trace with hash -1297767093, now seen corresponding path program 1 times [2025-03-15 01:37:50,507 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:37:50,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480982793] [2025-03-15 01:37:50,507 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:37:50,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:37:50,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:37:50,720 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 01:37:50,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:37:50,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480982793] [2025-03-15 01:37:50,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480982793] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:37:50,721 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:37:50,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:37:50,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700475658] [2025-03-15 01:37:50,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:37:50,722 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:37:50,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:37:50,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:37:50,723 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:37:50,723 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 138 [2025-03-15 01:37:50,724 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 158 transitions, 754 flow. Second operand has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 01:37:50,724 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:37:50,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 138 [2025-03-15 01:37:50,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:37:51,041 INFO L124 PetriNetUnfolderBase]: 326/1038 cut-off events. [2025-03-15 01:37:51,042 INFO L125 PetriNetUnfolderBase]: For 739/1099 co-relation queries the response was YES. [2025-03-15 01:37:51,046 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3531 conditions, 1038 events. 326/1038 cut-off events. For 739/1099 co-relation queries the response was YES. Maximal size of possible extension queue 68. Compared 6781 event pairs, 34 based on Foata normal form. 20/1027 useless extension candidates. Maximal degree in co-relation 3464. Up to 450 conditions per place. [2025-03-15 01:37:51,047 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 0 selfloop transitions, 0 changer transitions 156/156 dead transitions. [2025-03-15 01:37:51,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 156 transitions, 832 flow [2025-03-15 01:37:51,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:37:51,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:37:51,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 725 transitions. [2025-03-15 01:37:51,051 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8756038647342995 [2025-03-15 01:37:51,051 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 3 predicate places. [2025-03-15 01:37:51,052 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 156 transitions, 832 flow [2025-03-15 01:37:51,052 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 114.0) internal successors, (684), 6 states have internal predecessors, (684), 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 01:37:51,059 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix037.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:37:51,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:37:51,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:37:51,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:37:51,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:37:51,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:37:51,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:37:51,078 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:37:51,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:37:51,078 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:37:51,083 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:37:51,083 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:37:51,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:37:51 BasicIcfg [2025-03-15 01:37:51,087 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:37:51,088 INFO L158 Benchmark]: Toolchain (without parser) took 4577.88ms. Allocated memory was 71.3MB in the beginning and 251.7MB in the end (delta: 180.4MB). Free memory was 43.5MB in the beginning and 125.5MB in the end (delta: -82.0MB). Peak memory consumption was 192.5MB. Max. memory is 8.0GB. [2025-03-15 01:37:51,088 INFO L158 Benchmark]: CDTParser took 1.37ms. Allocated memory is still 71.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:51,088 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.14ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 20.6MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:37:51,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.54ms. Allocated memory is still 71.3MB. Free memory was 20.6MB in the beginning and 44.5MB in the end (delta: -23.9MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. [2025-03-15 01:37:51,089 INFO L158 Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 43.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:37:51,089 INFO L158 Benchmark]: RCFGBuilder took 553.27ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 49.7MB in the end (delta: -6.9MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. [2025-03-15 01:37:51,089 INFO L158 Benchmark]: TraceAbstraction took 3547.99ms. Allocated memory was 88.1MB in the beginning and 251.7MB in the end (delta: 163.6MB). Free memory was 48.3MB in the beginning and 125.5MB in the end (delta: -77.1MB). Peak memory consumption was 180.4MB. Max. memory is 8.0GB. [2025-03-15 01:37:51,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.37ms. Allocated memory is still 71.3MB. Free memory is still 33.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 373.14ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 20.6MB in the end (delta: 22.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.54ms. Allocated memory is still 71.3MB. Free memory was 20.6MB in the beginning and 44.5MB in the end (delta: -23.9MB). Peak memory consumption was 7.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 33.63ms. Allocated memory is still 71.3MB. Free memory was 44.5MB in the beginning and 43.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 553.27ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 42.8MB in the beginning and 49.7MB in the end (delta: -6.9MB). Peak memory consumption was 31.4MB. Max. memory is 8.0GB. * TraceAbstraction took 3547.99ms. Allocated memory was 88.1MB in the beginning and 251.7MB in the end (delta: 163.6MB). Free memory was 48.3MB in the beginning and 125.5MB in the end (delta: -77.1MB). Peak memory consumption was 180.4MB. 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: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 805]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 841]: 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: 3.4s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 94 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 50 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 279 IncrementalHoareTripleChecker+Invalid, 329 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 50 mSolverCounterUnsat, 5 mSDtfsCounter, 279 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=832occurred 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, 0.8s 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 01:37:51,109 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...