/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/mix014.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:36:18,193 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:36:18,267 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 01:36:18,294 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:36:18,295 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:36:18,295 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:36:18,295 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:36:18,295 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:36:18,295 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:36:18,295 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:36:18,295 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:36:18,295 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:36:18,296 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:36:18,296 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:36:18,297 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:36:18,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:18,298 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:36:18,298 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:36:18,299 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:36:18,299 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:36:18,299 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 01:36:18,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:36:18,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:36:18,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:36:18,558 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:36:18,558 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:36:18,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix014.opt.i [2025-03-15 01:36:19,712 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5da2d15/01e7a899e05441289e9571f806c86ca2/FLAG44b148ed6 [2025-03-15 01:36:19,956 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:36:19,956 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix014.opt.i [2025-03-15 01:36:19,972 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5da2d15/01e7a899e05441289e9571f806c86ca2/FLAG44b148ed6 [2025-03-15 01:36:19,987 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bc5da2d15/01e7a899e05441289e9571f806c86ca2 [2025-03-15 01:36:19,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:36:19,992 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:36:19,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:19,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:36:19,996 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:36:19,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:19" (1/1) ... [2025-03-15 01:36:19,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3becb930 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:19, skipping insertion in model container [2025-03-15 01:36:19,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:19" (1/1) ... [2025-03-15 01:36:20,027 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:36:20,273 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:20,283 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:36:20,341 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:20,368 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:36:20,369 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20 WrapperNode [2025-03-15 01:36:20,369 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:20,370 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:20,370 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:36:20,370 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:36:20,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,392 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,415 INFO L138 Inliner]: procedures = 176, calls = 56, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 157 [2025-03-15 01:36:20,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:20,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:36:20,416 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:36:20,416 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:36:20,426 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,428 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,428 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,433 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,434 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,435 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,437 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,438 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:36:20,440 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:36:20,440 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:36:20,440 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:36:20,441 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (1/1) ... [2025-03-15 01:36:20,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:20,453 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:36:20,467 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2025-03-15 01:36:20,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2025-03-15 01:36:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:36:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:36:20,488 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:36:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:36:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:36:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:36:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:36:20,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:36:20,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:36:20,491 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-15 01:36:20,611 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:36:20,613 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:36:20,919 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:36:20,919 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:36:21,061 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:36:21,061 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:36:21,061 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:21 BoogieIcfgContainer [2025-03-15 01:36:21,061 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:36:21,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:36:21,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:36:21,067 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:36:21,068 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:36:19" (1/3) ... [2025-03-15 01:36:21,068 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c295a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:21, skipping insertion in model container [2025-03-15 01:36:21,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:20" (2/3) ... [2025-03-15 01:36:21,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c295a20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:21, skipping insertion in model container [2025-03-15 01:36:21,070 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:21" (3/3) ... [2025-03-15 01:36:21,071 INFO L128 eAbstractionObserver]: Analyzing ICFG mix014.opt.i [2025-03-15 01:36:21,082 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:36:21,083 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix014.opt.i that has 5 procedures, 136 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:36:21,083 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:36:21,145 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:36:21,180 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:36:21,189 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;@42e0110c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:36:21,189 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:36:21,216 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:36:21,217 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-03-15 01:36:21,219 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:36:21,220 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:21,220 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:36:21,221 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 01:36:21,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:21,226 INFO L85 PathProgramCache]: Analyzing trace with hash 790661782, now seen corresponding path program 1 times [2025-03-15 01:36:21,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:21,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035319598] [2025-03-15 01:36:21,231 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:21,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:21,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:21,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:36:21,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:21,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035319598] [2025-03-15 01:36:21,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035319598] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:21,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:21,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:36:21,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560354075] [2025-03-15 01:36:21,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:21,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:36:21,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:21,539 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:36:21,539 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:36:21,542 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:36:21,547 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 01:36:21,547 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:21,547 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:36:21,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:22,533 INFO L124 PetriNetUnfolderBase]: 2548/4790 cut-off events. [2025-03-15 01:36:22,533 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:36:22,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8571 conditions, 4790 events. 2548/4790 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 476. Compared 38663 event pairs, 2009 based on Foata normal form. 900/4101 useless extension candidates. Maximal degree in co-relation 8516. Up to 3609 conditions per place. [2025-03-15 01:36:22,601 INFO L140 encePairwiseOnDemand]: 122/138 looper letters, 31 selfloop transitions, 5 changer transitions 0/142 dead transitions. [2025-03-15 01:36:22,601 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 142 transitions, 377 flow [2025-03-15 01:36:22,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:36:22,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:36:22,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 383 transitions. [2025-03-15 01:36:22,613 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9251207729468599 [2025-03-15 01:36:22,616 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -4 predicate places. [2025-03-15 01:36:22,616 INFO L471 AbstractCegarLoop]: Abstraction has has 144 places, 142 transitions, 377 flow [2025-03-15 01:36:22,616 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 01:36:22,616 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:22,617 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] [2025-03-15 01:36:22,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:36:22,617 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 01:36:22,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:22,619 INFO L85 PathProgramCache]: Analyzing trace with hash 4950680, now seen corresponding path program 1 times [2025-03-15 01:36:22,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:22,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619160545] [2025-03-15 01:36:22,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:22,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:22,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:36:22,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:22,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619160545] [2025-03-15 01:36:22,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619160545] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:22,764 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:22,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:22,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007582846] [2025-03-15 01:36:22,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:22,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:22,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:22,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:22,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:22,767 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:36:22,768 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 01:36:22,768 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:22,768 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:36:22,768 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:23,233 INFO L124 PetriNetUnfolderBase]: 1155/2215 cut-off events. [2025-03-15 01:36:23,234 INFO L125 PetriNetUnfolderBase]: For 160/454 co-relation queries the response was YES. [2025-03-15 01:36:23,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5656 conditions, 2215 events. 1155/2215 cut-off events. For 160/454 co-relation queries the response was YES. Maximal size of possible extension queue 209. Compared 15823 event pairs, 587 based on Foata normal form. 6/1743 useless extension candidates. Maximal degree in co-relation 5598. Up to 1630 conditions per place. [2025-03-15 01:36:23,256 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 27 selfloop transitions, 5 changer transitions 0/138 dead transitions. [2025-03-15 01:36:23,256 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 138 transitions, 425 flow [2025-03-15 01:36:23,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:23,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:23,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 480 transitions. [2025-03-15 01:36:23,259 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8695652173913043 [2025-03-15 01:36:23,260 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -5 predicate places. [2025-03-15 01:36:23,260 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 138 transitions, 425 flow [2025-03-15 01:36:23,260 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 01:36:23,260 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:23,260 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] [2025-03-15 01:36:23,261 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:36:23,261 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 01:36:23,261 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:23,261 INFO L85 PathProgramCache]: Analyzing trace with hash -301740815, now seen corresponding path program 1 times [2025-03-15 01:36:23,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:23,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279745921] [2025-03-15 01:36:23,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:23,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:23,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:36:23,369 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:23,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279745921] [2025-03-15 01:36:23,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279745921] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:23,369 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:23,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:23,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381370021] [2025-03-15 01:36:23,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:23,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:23,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:23,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:23,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:23,371 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:36:23,371 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 01:36:23,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:23,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:36:23,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:23,639 INFO L124 PetriNetUnfolderBase]: 571/1379 cut-off events. [2025-03-15 01:36:23,639 INFO L125 PetriNetUnfolderBase]: For 333/809 co-relation queries the response was YES. [2025-03-15 01:36:23,642 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4056 conditions, 1379 events. 571/1379 cut-off events. For 333/809 co-relation queries the response was YES. Maximal size of possible extension queue 113. Compared 9621 event pairs, 87 based on Foata normal form. 10/1216 useless extension candidates. Maximal degree in co-relation 3995. Up to 823 conditions per place. [2025-03-15 01:36:23,648 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 35 selfloop transitions, 9 changer transitions 0/150 dead transitions. [2025-03-15 01:36:23,649 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 150 transitions, 591 flow [2025-03-15 01:36:23,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:23,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 492 transitions. [2025-03-15 01:36:23,652 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8913043478260869 [2025-03-15 01:36:23,652 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, -2 predicate places. [2025-03-15 01:36:23,652 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 150 transitions, 591 flow [2025-03-15 01:36:23,653 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 01:36:23,653 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:23,653 INFO L221 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:36:23,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:36:23,653 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 01:36:23,653 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash -1255472455, now seen corresponding path program 1 times [2025-03-15 01:36:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:23,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80843039] [2025-03-15 01:36:23,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:36:23,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:23,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80843039] [2025-03-15 01:36:23,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80843039] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:23,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:23,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:36:23,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680176563] [2025-03-15 01:36:23,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:23,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:36:23,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:23,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:36:23,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:36:23,803 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:36:23,803 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 01:36:23,803 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:23,803 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:36:23,803 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:24,014 INFO L124 PetriNetUnfolderBase]: 418/1076 cut-off events. [2025-03-15 01:36:24,014 INFO L125 PetriNetUnfolderBase]: For 460/986 co-relation queries the response was YES. [2025-03-15 01:36:24,017 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3639 conditions, 1076 events. 418/1076 cut-off events. For 460/986 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 6989 event pairs, 48 based on Foata normal form. 10/1048 useless extension candidates. Maximal degree in co-relation 3575. Up to 577 conditions per place. [2025-03-15 01:36:24,023 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 38 selfloop transitions, 13 changer transitions 4/161 dead transitions. [2025-03-15 01:36:24,023 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 161 transitions, 792 flow [2025-03-15 01:36:24,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:36:24,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:36:24,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 614 transitions. [2025-03-15 01:36:24,025 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8898550724637682 [2025-03-15 01:36:24,026 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 2 predicate places. [2025-03-15 01:36:24,026 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 161 transitions, 792 flow [2025-03-15 01:36:24,026 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 01:36:24,026 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:24,027 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 01:36:24,027 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:36:24,027 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 01:36:24,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:24,027 INFO L85 PathProgramCache]: Analyzing trace with hash 1352847645, now seen corresponding path program 1 times [2025-03-15 01:36:24,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:24,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930553742] [2025-03-15 01:36:24,029 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:24,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:24,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:24,226 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-15 01:36:24,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:24,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930553742] [2025-03-15 01:36:24,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930553742] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:24,226 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:24,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:36:24,227 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407578458] [2025-03-15 01:36:24,227 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:24,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:36:24,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:24,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:36:24,227 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:36:24,228 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 138 [2025-03-15 01:36:24,228 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 150 places, 161 transitions, 792 flow. Second operand has 6 states, 6 states have (on average 113.16666666666667) internal successors, (679), 6 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:36:24,228 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:24,228 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 138 [2025-03-15 01:36:24,228 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:24,480 INFO L124 PetriNetUnfolderBase]: 410/1065 cut-off events. [2025-03-15 01:36:24,480 INFO L125 PetriNetUnfolderBase]: For 1075/1945 co-relation queries the response was YES. [2025-03-15 01:36:24,482 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4158 conditions, 1065 events. 410/1065 cut-off events. For 1075/1945 co-relation queries the response was YES. Maximal size of possible extension queue 80. Compared 6810 event pairs, 78 based on Foata normal form. 16/1039 useless extension candidates. Maximal degree in co-relation 4091. Up to 557 conditions per place. [2025-03-15 01:36:24,484 INFO L140 encePairwiseOnDemand]: 129/138 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2025-03-15 01:36:24,484 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 159 transitions, 878 flow [2025-03-15 01:36:24,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:36:24,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:36:24,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 723 transitions. [2025-03-15 01:36:24,487 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8731884057971014 [2025-03-15 01:36:24,488 INFO L298 CegarLoopForPetriNet]: 148 programPoint places, 3 predicate places. [2025-03-15 01:36:24,488 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 159 transitions, 878 flow [2025-03-15 01:36:24,488 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 113.16666666666667) internal successors, (679), 6 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-03-15 01:36:24,496 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix014.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:36:24,514 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:36:24,515 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:36:24,516 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:36:24,516 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:36:24,516 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:36:24,522 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:36:24,522 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:36:24,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:36:24 BasicIcfg [2025-03-15 01:36:24,525 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:36:24,526 INFO L158 Benchmark]: Toolchain (without parser) took 4535.60ms. Allocated memory was 71.3MB in the beginning and 302.0MB in the end (delta: 230.7MB). Free memory was 42.8MB in the beginning and 162.0MB in the end (delta: -119.2MB). Peak memory consumption was 231.8MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,526 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:36:24,526 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.13ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 18.4MB in the end (delta: 24.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,526 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.25ms. Allocated memory is still 71.3MB. Free memory was 18.4MB in the beginning and 42.2MB in the end (delta: -23.7MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,526 INFO L158 Benchmark]: Boogie Preprocessor took 23.60ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,526 INFO L158 Benchmark]: RCFGBuilder took 621.40ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 18.0MB in the end (delta: 22.4MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,527 INFO L158 Benchmark]: TraceAbstraction took 3462.15ms. Allocated memory was 71.3MB in the beginning and 302.0MB in the end (delta: 230.7MB). Free memory was 17.2MB in the beginning and 162.0MB in the end (delta: -144.8MB). Peak memory consumption was 202.4MB. Max. memory is 8.0GB. [2025-03-15 01:36:24,528 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 71.3MB. Free memory is still 32.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 377.13ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 18.4MB in the end (delta: 24.2MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.25ms. Allocated memory is still 71.3MB. Free memory was 18.4MB in the beginning and 42.2MB in the end (delta: -23.7MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.60ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 40.3MB in the end (delta: 1.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 621.40ms. Allocated memory is still 71.3MB. Free memory was 40.3MB in the beginning and 18.0MB in the end (delta: 22.4MB). Peak memory consumption was 27.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3462.15ms. Allocated memory was 71.3MB in the beginning and 302.0MB in the end (delta: 230.7MB). Free memory was 17.2MB in the beginning and 162.0MB in the end (delta: -144.8MB). Peak memory consumption was 202.4MB. 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: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 780]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 808]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 854]: 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, 106 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 106 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=878occurred 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, 0.7s InterpolantComputationTime, 339 NumberOfCodeBlocks, 339 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 334 ConstructedInterpolants, 0 QuantifiedInterpolants, 942 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 01:36:24,547 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...