/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/mix017_pso.opt_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:36:36,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:36:36,087 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 01:36:36,134 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:36:36,147 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:36:36,147 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:36:36,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:36:36,148 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:36:36,148 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:36:36,149 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:36,149 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:36:36,149 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:36:36,153 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 01:36:36,395 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:36:36,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:36:36,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:36:36,406 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:36:36,406 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:36:36,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_pso.opt_tso.opt.i [2025-03-15 01:36:37,602 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2d236b7/ae80201eb3c843119ec65939f39ef820/FLAG394a515b1 [2025-03-15 01:36:37,880 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:36:37,882 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_pso.opt_tso.opt.i [2025-03-15 01:36:37,896 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2d236b7/ae80201eb3c843119ec65939f39ef820/FLAG394a515b1 [2025-03-15 01:36:38,184 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0f2d236b7/ae80201eb3c843119ec65939f39ef820 [2025-03-15 01:36:38,186 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:36:38,187 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:36:38,188 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:38,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:36:38,191 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:36:38,191 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,192 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e3f5105 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38, skipping insertion in model container [2025-03-15 01:36:38,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,225 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:36:38,465 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:38,472 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:36:38,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:36:38,547 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:36:38,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38 WrapperNode [2025-03-15 01:36:38,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:36:38,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:38,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:36:38,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:36:38,553 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,576 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,594 INFO L138 Inliner]: procedures = 176, calls = 54, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 157 [2025-03-15 01:36:38,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:36:38,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:36:38,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:36:38,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:36:38,601 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,601 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,604 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,604 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,609 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,610 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,613 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:36:38,619 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:36:38,620 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:36:38,620 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:36:38,621 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (1/1) ... [2025-03-15 01:36:38,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:36:38,644 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:36:38,656 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 01:36:38,659 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 01:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-15 01:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2025-03-15 01:36:38,679 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2025-03-15 01:36:38,679 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2025-03-15 01:36:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2025-03-15 01:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2025-03-15 01:36:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2025-03-15 01:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2025-03-15 01:36:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2025-03-15 01:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-15 01:36:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:36:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:36:38,681 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 01:36:38,776 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:36:38,778 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:36:39,059 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:36:39,059 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:36:39,221 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:36:39,222 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:36:39,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:39 BoogieIcfgContainer [2025-03-15 01:36:39,222 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:36:39,226 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:36:39,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:36:39,230 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:36:39,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:36:38" (1/3) ... [2025-03-15 01:36:39,231 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a8c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:39, skipping insertion in model container [2025-03-15 01:36:39,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:36:38" (2/3) ... [2025-03-15 01:36:39,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a8c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:36:39, skipping insertion in model container [2025-03-15 01:36:39,232 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:36:39" (3/3) ... [2025-03-15 01:36:39,233 INFO L128 eAbstractionObserver]: Analyzing ICFG mix017_pso.opt_tso.opt.i [2025-03-15 01:36:39,254 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:36:39,255 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG mix017_pso.opt_tso.opt.i that has 5 procedures, 135 locations, 1 initial locations, 0 loop locations, and 8 error locations. [2025-03-15 01:36:39,255 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:36:39,309 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2025-03-15 01:36:39,343 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:36:39,355 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;@15514506, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:36:39,356 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2025-03-15 01:36:39,381 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:36:39,381 INFO L124 PetriNetUnfolderBase]: 0/54 cut-off events. [2025-03-15 01:36:39,385 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:36:39,386 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:39,386 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 01:36:39,386 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 01:36:39,393 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:39,393 INFO L85 PathProgramCache]: Analyzing trace with hash -1773276905, now seen corresponding path program 1 times [2025-03-15 01:36:39,399 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:39,399 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963900151] [2025-03-15 01:36:39,399 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:39,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:39,693 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 01:36:39,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:39,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963900151] [2025-03-15 01:36:39,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [963900151] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:39,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:39,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-15 01:36:39,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186083315] [2025-03-15 01:36:39,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:39,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:36:39,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:39,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:36:39,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:36:39,725 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2025-03-15 01:36:39,728 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 137 transitions, 290 flow. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 01:36:39,728 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:39,728 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2025-03-15 01:36:39,729 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:40,508 INFO L124 PetriNetUnfolderBase]: 2548/4415 cut-off events. [2025-03-15 01:36:40,508 INFO L125 PetriNetUnfolderBase]: For 57/57 co-relation queries the response was YES. [2025-03-15 01:36:40,529 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8196 conditions, 4415 events. 2548/4415 cut-off events. For 57/57 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 33540 event pairs, 889 based on Foata normal form. 1032/3954 useless extension candidates. Maximal degree in co-relation 8141. Up to 3609 conditions per place. [2025-03-15 01:36:40,579 INFO L140 encePairwiseOnDemand]: 121/137 looper letters, 31 selfloop transitions, 5 changer transitions 0/141 dead transitions. [2025-03-15 01:36:40,579 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 143 places, 141 transitions, 375 flow [2025-03-15 01:36:40,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:36:40,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:36:40,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 380 transitions. [2025-03-15 01:36:40,588 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9245742092457421 [2025-03-15 01:36:40,592 INFO L298 CegarLoopForPetriNet]: 147 programPoint places, -4 predicate places. [2025-03-15 01:36:40,592 INFO L471 AbstractCegarLoop]: Abstraction has has 143 places, 141 transitions, 375 flow [2025-03-15 01:36:40,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 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 01:36:40,592 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:40,592 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 01:36:40,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:36:40,593 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 01:36:40,593 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:40,593 INFO L85 PathProgramCache]: Analyzing trace with hash -1167401277, now seen corresponding path program 1 times [2025-03-15 01:36:40,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:40,594 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595090608] [2025-03-15 01:36:40,594 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:40,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:40,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:40,748 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 01:36:40,748 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:40,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595090608] [2025-03-15 01:36:40,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1595090608] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:40,748 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:40,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:40,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602620870] [2025-03-15 01:36:40,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:40,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:40,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:40,750 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:40,750 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:40,753 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2025-03-15 01:36:40,754 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 141 transitions, 375 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 01:36:40,754 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:40,754 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2025-03-15 01:36:40,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:41,245 INFO L124 PetriNetUnfolderBase]: 1438/2978 cut-off events. [2025-03-15 01:36:41,245 INFO L125 PetriNetUnfolderBase]: For 209/797 co-relation queries the response was YES. [2025-03-15 01:36:41,253 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7561 conditions, 2978 events. 1438/2978 cut-off events. For 209/797 co-relation queries the response was YES. Maximal size of possible extension queue 323. Compared 24511 event pairs, 559 based on Foata normal form. 8/2246 useless extension candidates. Maximal degree in co-relation 7503. Up to 2195 conditions per place. [2025-03-15 01:36:41,272 INFO L140 encePairwiseOnDemand]: 124/137 looper letters, 39 selfloop transitions, 13 changer transitions 0/157 dead transitions. [2025-03-15 01:36:41,272 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 157 transitions, 549 flow [2025-03-15 01:36:41,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:41,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:41,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 496 transitions. [2025-03-15 01:36:41,275 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9051094890510949 [2025-03-15 01:36:41,275 INFO L298 CegarLoopForPetriNet]: 147 programPoint places, -1 predicate places. [2025-03-15 01:36:41,275 INFO L471 AbstractCegarLoop]: Abstraction has has 146 places, 157 transitions, 549 flow [2025-03-15 01:36:41,276 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 01:36:41,276 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:41,276 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 01:36:41,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:36:41,276 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 01:36:41,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:41,277 INFO L85 PathProgramCache]: Analyzing trace with hash 555484422, now seen corresponding path program 1 times [2025-03-15 01:36:41,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:41,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518936128] [2025-03-15 01:36:41,277 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:41,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:41,370 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 01:36:41,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:41,370 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1518936128] [2025-03-15 01:36:41,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1518936128] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:41,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:41,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:36:41,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295432604] [2025-03-15 01:36:41,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:41,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:36:41,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:41,371 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:36:41,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:36:41,372 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2025-03-15 01:36:41,372 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 157 transitions, 549 flow. Second operand has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 01:36:41,372 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:41,372 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2025-03-15 01:36:41,372 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:41,585 INFO L124 PetriNetUnfolderBase]: 571/1378 cut-off events. [2025-03-15 01:36:41,585 INFO L125 PetriNetUnfolderBase]: For 332/872 co-relation queries the response was YES. [2025-03-15 01:36:41,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4055 conditions, 1378 events. 571/1378 cut-off events. For 332/872 co-relation queries the response was YES. Maximal size of possible extension queue 110. Compared 9588 event pairs, 87 based on Foata normal form. 8/1216 useless extension candidates. Maximal degree in co-relation 3994. Up to 823 conditions per place. [2025-03-15 01:36:41,595 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 39 selfloop transitions, 5 changer transitions 0/149 dead transitions. [2025-03-15 01:36:41,595 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 149 transitions, 589 flow [2025-03-15 01:36:41,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-15 01:36:41,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2025-03-15 01:36:41,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 476 transitions. [2025-03-15 01:36:41,596 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8686131386861314 [2025-03-15 01:36:41,597 INFO L298 CegarLoopForPetriNet]: 147 programPoint places, -2 predicate places. [2025-03-15 01:36:41,598 INFO L471 AbstractCegarLoop]: Abstraction has has 145 places, 149 transitions, 589 flow [2025-03-15 01:36:41,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 111.25) internal successors, (445), 4 states have internal predecessors, (445), 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 01:36:41,598 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:41,598 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 01:36:41,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:36:41,598 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 01:36:41,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:41,599 INFO L85 PathProgramCache]: Analyzing trace with hash 308103596, now seen corresponding path program 1 times [2025-03-15 01:36:41,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:41,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354333577] [2025-03-15 01:36:41,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:41,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:41,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:41,734 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 01:36:41,734 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:41,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354333577] [2025-03-15 01:36:41,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354333577] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:41,734 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:41,734 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:36:41,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635341327] [2025-03-15 01:36:41,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:41,735 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:36:41,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:41,736 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:36:41,736 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:36:41,737 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2025-03-15 01:36:41,738 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 149 transitions, 589 flow. Second operand has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 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 01:36:41,738 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:41,738 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2025-03-15 01:36:41,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:41,948 INFO L124 PetriNetUnfolderBase]: 418/1129 cut-off events. [2025-03-15 01:36:41,948 INFO L125 PetriNetUnfolderBase]: For 627/1529 co-relation queries the response was YES. [2025-03-15 01:36:41,951 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3692 conditions, 1129 events. 418/1129 cut-off events. For 627/1529 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 7573 event pairs, 72 based on Foata normal form. 16/1094 useless extension candidates. Maximal degree in co-relation 3628. Up to 577 conditions per place. [2025-03-15 01:36:41,970 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 38 selfloop transitions, 13 changer transitions 4/160 dead transitions. [2025-03-15 01:36:41,971 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 149 places, 160 transitions, 790 flow [2025-03-15 01:36:41,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:36:41,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:36:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 609 transitions. [2025-03-15 01:36:41,972 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8890510948905109 [2025-03-15 01:36:41,973 INFO L298 CegarLoopForPetriNet]: 147 programPoint places, 2 predicate places. [2025-03-15 01:36:41,974 INFO L471 AbstractCegarLoop]: Abstraction has has 149 places, 160 transitions, 790 flow [2025-03-15 01:36:41,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 111.6) internal successors, (558), 5 states have internal predecessors, (558), 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 01:36:41,974 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:36:41,974 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] [2025-03-15 01:36:41,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:36:41,974 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 01:36:41,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:36:41,975 INFO L85 PathProgramCache]: Analyzing trace with hash -156684658, now seen corresponding path program 1 times [2025-03-15 01:36:41,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:36:41,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4655729] [2025-03-15 01:36:41,975 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:36:41,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:36:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:36:42,212 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 01:36:42,212 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:36:42,212 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4655729] [2025-03-15 01:36:42,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [4655729] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:36:42,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:36:42,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:36:42,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [626764205] [2025-03-15 01:36:42,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:36:42,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:36:42,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:36:42,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:36:42,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:36:42,214 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 137 [2025-03-15 01:36:42,214 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 149 places, 160 transitions, 790 flow. Second operand has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 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 01:36:42,214 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:36:42,214 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 137 [2025-03-15 01:36:42,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:36:42,413 INFO L124 PetriNetUnfolderBase]: 410/1070 cut-off events. [2025-03-15 01:36:42,413 INFO L125 PetriNetUnfolderBase]: For 1023/1963 co-relation queries the response was YES. [2025-03-15 01:36:42,415 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4163 conditions, 1070 events. 410/1070 cut-off events. For 1023/1963 co-relation queries the response was YES. Maximal size of possible extension queue 79. Compared 6840 event pairs, 54 based on Foata normal form. 22/1047 useless extension candidates. Maximal degree in co-relation 4096. Up to 557 conditions per place. [2025-03-15 01:36:42,416 INFO L140 encePairwiseOnDemand]: 128/137 looper letters, 0 selfloop transitions, 0 changer transitions 158/158 dead transitions. [2025-03-15 01:36:42,416 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 150 places, 158 transitions, 876 flow [2025-03-15 01:36:42,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:36:42,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:36:42,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 717 transitions. [2025-03-15 01:36:42,418 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8722627737226277 [2025-03-15 01:36:42,418 INFO L298 CegarLoopForPetriNet]: 147 programPoint places, 3 predicate places. [2025-03-15 01:36:42,418 INFO L471 AbstractCegarLoop]: Abstraction has has 150 places, 158 transitions, 876 flow [2025-03-15 01:36:42,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 112.16666666666667) internal successors, (673), 6 states have internal predecessors, (673), 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 01:36:42,425 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mix017_pso.opt_tso.opt.i_petrified1_AllErrorsAtOnce [2025-03-15 01:36:42,438 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining) [2025-03-15 01:36:42,439 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining) [2025-03-15 01:36:42,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining) [2025-03-15 01:36:42,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:36:42,441 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2025-03-15 01:36:42,446 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:36:42,446 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:36:42,451 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:36:42 BasicIcfg [2025-03-15 01:36:42,451 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:36:42,451 INFO L158 Benchmark]: Toolchain (without parser) took 4264.46ms. Allocated memory was 71.3MB in the beginning and 427.8MB in the end (delta: 356.5MB). Free memory was 42.6MB in the beginning and 319.8MB in the end (delta: -277.2MB). Peak memory consumption was 216.3MB. Max. memory is 8.0GB. [2025-03-15 01:36:42,451 INFO L158 Benchmark]: CDTParser took 1.29ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:36:42,452 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.27ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 18.4MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:36:42,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.23ms. Allocated memory is still 71.3MB. Free memory was 18.4MB in the beginning and 42.2MB in the end (delta: -23.8MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-15 01:36:42,452 INFO L158 Benchmark]: Boogie Preprocessor took 20.70ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 40.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:36:42,452 INFO L158 Benchmark]: RCFGBuilder took 602.71ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 18.7MB in the end (delta: 21.8MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. [2025-03-15 01:36:42,453 INFO L158 Benchmark]: TraceAbstraction took 3224.44ms. Allocated memory was 71.3MB in the beginning and 427.8MB in the end (delta: 356.5MB). Free memory was 17.8MB in the beginning and 319.8MB in the end (delta: -302.0MB). Peak memory consumption was 194.1MB. Max. memory is 8.0GB. [2025-03-15 01:36:42,454 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29ms. Allocated memory is still 71.3MB. Free memory was 35.7MB in the beginning and 35.7MB in the end (delta: 42.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 360.27ms. Allocated memory is still 71.3MB. Free memory was 42.4MB in the beginning and 18.4MB in the end (delta: 24.0MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.23ms. Allocated memory is still 71.3MB. Free memory was 18.4MB in the beginning and 42.2MB in the end (delta: -23.8MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.70ms. Allocated memory is still 71.3MB. Free memory was 42.2MB in the beginning and 40.4MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 602.71ms. Allocated memory is still 71.3MB. Free memory was 40.4MB in the beginning and 18.7MB in the end (delta: 21.8MB). Peak memory consumption was 32.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3224.44ms. Allocated memory was 71.3MB in the beginning and 427.8MB in the end (delta: 356.5MB). Free memory was 17.8MB in the beginning and 319.8MB in the end (delta: -302.0MB). Peak memory consumption was 194.1MB. 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: 851]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 851]: 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, 180 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: 3.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 132 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 283 IncrementalHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 5 mSDtfsCounter, 283 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=876occurred 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, 335 NumberOfCodeBlocks, 335 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 330 ConstructedInterpolants, 0 QuantifiedInterpolants, 930 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 01:36:42,468 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...