/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/goblint-regression/04-mutex_51-mutex_ptr.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-15 01:54:28,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-15 01:54:28,363 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 01:54:28,389 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-15 01:54:28,390 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-15 01:54:28,390 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-15 01:54:28,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Use SBE=true [2025-03-15 01:54:28,391 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-15 01:54:28,391 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-15 01:54:28,392 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:28,392 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-15 01:54:28,392 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-15 01:54:28,393 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-15 01:54:28,393 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 01:54:28,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-15 01:54:28,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-15 01:54:28,659 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-15 01:54:28,660 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-15 01:54:28,661 INFO L274 PluginConnector]: CDTParser initialized [2025-03-15 01:54:28,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2025-03-15 01:54:29,789 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5507e4c13/f3558629cc7540a79ead69e2f6fcacbd/FLAG5565754e9 [2025-03-15 01:54:30,007 INFO L384 CDTParser]: Found 1 translation units. [2025-03-15 01:54:30,011 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/04-mutex_51-mutex_ptr.i [2025-03-15 01:54:30,027 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5507e4c13/f3558629cc7540a79ead69e2f6fcacbd/FLAG5565754e9 [2025-03-15 01:54:30,374 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5507e4c13/f3558629cc7540a79ead69e2f6fcacbd [2025-03-15 01:54:30,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-15 01:54:30,377 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-15 01:54:30,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:30,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-15 01:54:30,381 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-15 01:54:30,381 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,382 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@664b675c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30, skipping insertion in model container [2025-03-15 01:54:30,382 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,412 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-15 01:54:30,734 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:30,749 INFO L200 MainTranslator]: Completed pre-run [2025-03-15 01:54:30,782 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-15 01:54:30,837 INFO L204 MainTranslator]: Completed translation [2025-03-15 01:54:30,837 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30 WrapperNode [2025-03-15 01:54:30,838 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-15 01:54:30,839 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:30,839 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-15 01:54:30,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-15 01:54:30,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,857 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,874 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 94 [2025-03-15 01:54:30,874 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-15 01:54:30,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-15 01:54:30,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-15 01:54:30,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-15 01:54:30,881 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,881 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,888 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,896 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,897 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,898 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,903 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,905 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-15 01:54:30,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-15 01:54:30,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-15 01:54:30,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-15 01:54:30,909 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (1/1) ... [2025-03-15 01:54:30,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-15 01:54:30,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-15 01:54:30,932 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 01:54:30,934 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 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-15 01:54:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-15 01:54:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-15 01:54:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-15 01:54:30,951 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 01:54:31,030 INFO L234 CfgBuilder]: Building ICFG [2025-03-15 01:54:31,031 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-15 01:54:31,192 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-15 01:54:31,192 INFO L283 CfgBuilder]: Performing block encoding [2025-03-15 01:54:31,215 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-15 01:54:31,215 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-15 01:54:31,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:31 BoogieIcfgContainer [2025-03-15 01:54:31,216 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-15 01:54:31,219 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-15 01:54:31,219 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-15 01:54:31,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-15 01:54:31,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.03 01:54:30" (1/3) ... [2025-03-15 01:54:31,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c1a303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:31, skipping insertion in model container [2025-03-15 01:54:31,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.03 01:54:30" (2/3) ... [2025-03-15 01:54:31,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c1a303 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.03 01:54:31, skipping insertion in model container [2025-03-15 01:54:31,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.03 01:54:31" (3/3) ... [2025-03-15 01:54:31,224 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2025-03-15 01:54:31,236 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-15 01:54:31,237 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_51-mutex_ptr.i that has 2 procedures, 117 locations, 1 initial locations, 0 loop locations, and 4 error locations. [2025-03-15 01:54:31,237 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-15 01:54:31,295 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-15 01:54:31,335 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-15 01:54:31,349 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;@14d44a8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-15 01:54:31,349 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2025-03-15 01:54:31,398 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-15 01:54:31,399 INFO L124 PetriNetUnfolderBase]: 0/92 cut-off events. [2025-03-15 01:54:31,400 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-15 01:54:31,400 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:31,401 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] [2025-03-15 01:54:31,401 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:31,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:31,409 INFO L85 PathProgramCache]: Analyzing trace with hash 1120929443, now seen corresponding path program 1 times [2025-03-15 01:54:31,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:31,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997413168] [2025-03-15 01:54:31,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:31,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:31,808 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 01:54:31,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:31,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997413168] [2025-03-15 01:54:31,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997413168] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:31,809 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:31,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:31,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691842784] [2025-03-15 01:54:31,811 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:31,816 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-15 01:54:31,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:31,834 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-15 01:54:31,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-15 01:54:31,838 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 91 out of 116 [2025-03-15 01:54:31,843 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 116 transitions, 239 flow. Second operand has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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 01:54:31,843 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:31,843 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 91 of 116 [2025-03-15 01:54:31,844 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:31,980 INFO L124 PetriNetUnfolderBase]: 41/237 cut-off events. [2025-03-15 01:54:31,980 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-15 01:54:31,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 354 conditions, 237 events. 41/237 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 651 event pairs, 10 based on Foata normal form. 0/228 useless extension candidates. Maximal degree in co-relation 253. Up to 52 conditions per place. [2025-03-15 01:54:31,987 INFO L140 encePairwiseOnDemand]: 109/116 looper letters, 30 selfloop transitions, 5 changer transitions 15/137 dead transitions. [2025-03-15 01:54:31,987 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 123 places, 137 transitions, 374 flow [2025-03-15 01:54:31,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-15 01:54:31,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-15 01:54:31,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 506 transitions. [2025-03-15 01:54:31,999 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8724137931034482 [2025-03-15 01:54:32,001 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 3 predicate places. [2025-03-15 01:54:32,002 INFO L471 AbstractCegarLoop]: Abstraction has has 123 places, 137 transitions, 374 flow [2025-03-15 01:54:32,002 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 94.0) internal successors, (376), 4 states have internal predecessors, (376), 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 01:54:32,002 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:32,002 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 01:54:32,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-15 01:54:32,002 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:32,004 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:32,004 INFO L85 PathProgramCache]: Analyzing trace with hash 1737952331, now seen corresponding path program 1 times [2025-03-15 01:54:32,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:32,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969587711] [2025-03-15 01:54:32,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:32,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:32,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:32,210 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 01:54:32,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:32,211 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969587711] [2025-03-15 01:54:32,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969587711] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:32,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:32,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-15 01:54:32,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985653278] [2025-03-15 01:54:32,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:32,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-15 01:54:32,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:32,212 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-15 01:54:32,212 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-15 01:54:32,213 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 93 out of 116 [2025-03-15 01:54:32,215 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 123 places, 137 transitions, 374 flow. Second operand has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 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 01:54:32,216 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:32,216 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 93 of 116 [2025-03-15 01:54:32,216 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:32,377 INFO L124 PetriNetUnfolderBase]: 63/295 cut-off events. [2025-03-15 01:54:32,377 INFO L125 PetriNetUnfolderBase]: For 48/54 co-relation queries the response was YES. [2025-03-15 01:54:32,378 INFO L83 FinitePrefix]: Finished finitePrefix Result has 580 conditions, 295 events. 63/295 cut-off events. For 48/54 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1019 event pairs, 12 based on Foata normal form. 4/291 useless extension candidates. Maximal degree in co-relation 469. Up to 73 conditions per place. [2025-03-15 01:54:32,378 INFO L140 encePairwiseOnDemand]: 108/116 looper letters, 31 selfloop transitions, 8 changer transitions 27/155 dead transitions. [2025-03-15 01:54:32,379 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 155 transitions, 552 flow [2025-03-15 01:54:32,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-15 01:54:32,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-15 01:54:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 608 transitions. [2025-03-15 01:54:32,381 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8735632183908046 [2025-03-15 01:54:32,382 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 8 predicate places. [2025-03-15 01:54:32,382 INFO L471 AbstractCegarLoop]: Abstraction has has 128 places, 155 transitions, 552 flow [2025-03-15 01:54:32,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 95.4) internal successors, (477), 5 states have internal predecessors, (477), 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 01:54:32,382 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:32,382 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, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:32,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-15 01:54:32,382 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:32,383 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:32,383 INFO L85 PathProgramCache]: Analyzing trace with hash 1171733917, now seen corresponding path program 1 times [2025-03-15 01:54:32,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:32,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660445309] [2025-03-15 01:54:32,383 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:32,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:32,517 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 01:54:32,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:32,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660445309] [2025-03-15 01:54:32,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660445309] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:32,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:32,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-15 01:54:32,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849298736] [2025-03-15 01:54:32,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:32,518 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-15 01:54:32,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:32,519 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-15 01:54:32,520 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-15 01:54:32,520 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 106 out of 116 [2025-03-15 01:54:32,521 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 155 transitions, 552 flow. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 01:54:32,521 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:32,521 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 106 of 116 [2025-03-15 01:54:32,521 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:32,557 INFO L124 PetriNetUnfolderBase]: 13/176 cut-off events. [2025-03-15 01:54:32,557 INFO L125 PetriNetUnfolderBase]: For 65/67 co-relation queries the response was YES. [2025-03-15 01:54:32,558 INFO L83 FinitePrefix]: Finished finitePrefix Result has 327 conditions, 176 events. 13/176 cut-off events. For 65/67 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 281 event pairs, 3 based on Foata normal form. 12/184 useless extension candidates. Maximal degree in co-relation 211. Up to 29 conditions per place. [2025-03-15 01:54:32,558 INFO L140 encePairwiseOnDemand]: 112/116 looper letters, 7 selfloop transitions, 7 changer transitions 11/135 dead transitions. [2025-03-15 01:54:32,558 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 130 places, 135 transitions, 462 flow [2025-03-15 01:54:32,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-15 01:54:32,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-15 01:54:32,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 332 transitions. [2025-03-15 01:54:32,559 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.9540229885057471 [2025-03-15 01:54:32,560 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 10 predicate places. [2025-03-15 01:54:32,560 INFO L471 AbstractCegarLoop]: Abstraction has has 130 places, 135 transitions, 462 flow [2025-03-15 01:54:32,560 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 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 01:54:32,560 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:32,560 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:32,560 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-15 01:54:32,561 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:32,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:32,561 INFO L85 PathProgramCache]: Analyzing trace with hash 2029061416, now seen corresponding path program 1 times [2025-03-15 01:54:32,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:32,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416322006] [2025-03-15 01:54:32,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:32,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:32,817 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 01:54:32,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:32,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416322006] [2025-03-15 01:54:32,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416322006] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:32,817 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:32,817 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 01:54:32,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852767446] [2025-03-15 01:54:32,817 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:32,818 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:54:32,818 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:32,818 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:54:32,818 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:54:32,820 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:32,821 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 135 transitions, 462 flow. Second operand has 7 states, 7 states have (on average 88.85714285714286) internal successors, (622), 7 states have internal predecessors, (622), 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 01:54:32,821 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:32,821 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:32,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:32,984 INFO L124 PetriNetUnfolderBase]: 13/202 cut-off events. [2025-03-15 01:54:32,985 INFO L125 PetriNetUnfolderBase]: For 110/114 co-relation queries the response was YES. [2025-03-15 01:54:32,985 INFO L83 FinitePrefix]: Finished finitePrefix Result has 476 conditions, 202 events. 13/202 cut-off events. For 110/114 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 423 event pairs, 3 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 336. Up to 41 conditions per place. [2025-03-15 01:54:32,986 INFO L140 encePairwiseOnDemand]: 106/116 looper letters, 40 selfloop transitions, 11 changer transitions 17/152 dead transitions. [2025-03-15 01:54:32,986 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 152 transitions, 685 flow [2025-03-15 01:54:32,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-15 01:54:32,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-15 01:54:32,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 836 transitions. [2025-03-15 01:54:32,989 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8007662835249042 [2025-03-15 01:54:32,989 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 18 predicate places. [2025-03-15 01:54:32,989 INFO L471 AbstractCegarLoop]: Abstraction has has 138 places, 152 transitions, 685 flow [2025-03-15 01:54:32,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 88.85714285714286) internal successors, (622), 7 states have internal predecessors, (622), 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 01:54:32,990 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:32,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:32,990 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-15 01:54:32,990 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:32,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:32,992 INFO L85 PathProgramCache]: Analyzing trace with hash 9339494, now seen corresponding path program 1 times [2025-03-15 01:54:32,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:32,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451597804] [2025-03-15 01:54:32,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:32,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:33,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:33,162 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 01:54:33,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:33,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451597804] [2025-03-15 01:54:33,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451597804] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:33,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:33,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-15 01:54:33,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329395633] [2025-03-15 01:54:33,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:33,163 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-15 01:54:33,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:33,163 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-15 01:54:33,163 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-03-15 01:54:33,164 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:33,165 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 152 transitions, 685 flow. Second operand has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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 01:54:33,165 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:33,165 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:33,165 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:33,294 INFO L124 PetriNetUnfolderBase]: 13/200 cut-off events. [2025-03-15 01:54:33,294 INFO L125 PetriNetUnfolderBase]: For 185/189 co-relation queries the response was YES. [2025-03-15 01:54:33,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 200 events. 13/200 cut-off events. For 185/189 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 403 event pairs, 3 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 403. Up to 40 conditions per place. [2025-03-15 01:54:33,297 INFO L140 encePairwiseOnDemand]: 108/116 looper letters, 36 selfloop transitions, 15 changer transitions 17/152 dead transitions. [2025-03-15 01:54:33,297 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 152 transitions, 819 flow [2025-03-15 01:54:33,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-15 01:54:33,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-15 01:54:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 640 transitions. [2025-03-15 01:54:33,299 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7881773399014779 [2025-03-15 01:54:33,301 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 22 predicate places. [2025-03-15 01:54:33,301 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 152 transitions, 819 flow [2025-03-15 01:54:33,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 89.33333333333333) internal successors, (536), 6 states have internal predecessors, (536), 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 01:54:33,301 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:33,301 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:33,301 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-15 01:54:33,301 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:33,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:33,302 INFO L85 PathProgramCache]: Analyzing trace with hash -853584820, now seen corresponding path program 1 times [2025-03-15 01:54:33,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:33,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035911979] [2025-03-15 01:54:33,302 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:33,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:33,523 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 01:54:33,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:33,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035911979] [2025-03-15 01:54:33,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035911979] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:33,524 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:33,524 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 01:54:33,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643424899] [2025-03-15 01:54:33,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:33,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:54:33,525 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:33,525 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:54:33,525 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:54:33,526 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:33,527 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 152 transitions, 819 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:33,527 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:33,527 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:33,527 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:33,675 INFO L124 PetriNetUnfolderBase]: 13/199 cut-off events. [2025-03-15 01:54:33,675 INFO L125 PetriNetUnfolderBase]: For 283/287 co-relation queries the response was YES. [2025-03-15 01:54:33,675 INFO L83 FinitePrefix]: Finished finitePrefix Result has 639 conditions, 199 events. 13/199 cut-off events. For 283/287 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 400 event pairs, 3 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 471. Up to 39 conditions per place. [2025-03-15 01:54:33,676 INFO L140 encePairwiseOnDemand]: 107/116 looper letters, 32 selfloop transitions, 8 changer transitions 27/151 dead transitions. [2025-03-15 01:54:33,676 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 151 transitions, 939 flow [2025-03-15 01:54:33,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-15 01:54:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2025-03-15 01:54:33,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 916 transitions. [2025-03-15 01:54:33,679 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7896551724137931 [2025-03-15 01:54:33,680 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 31 predicate places. [2025-03-15 01:54:33,680 INFO L471 AbstractCegarLoop]: Abstraction has has 151 places, 151 transitions, 939 flow [2025-03-15 01:54:33,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:33,680 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:33,680 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:33,681 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-15 01:54:33,681 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:33,681 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:33,681 INFO L85 PathProgramCache]: Analyzing trace with hash 1678748543, now seen corresponding path program 1 times [2025-03-15 01:54:33,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:33,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779158019] [2025-03-15 01:54:33,682 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-15 01:54:33,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:33,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-15 01:54:33,956 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 01:54:33,956 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:33,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779158019] [2025-03-15 01:54:33,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779158019] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:33,957 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:33,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 01:54:33,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910391820] [2025-03-15 01:54:33,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:33,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:54:33,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:33,957 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:54:33,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:54:33,961 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:33,961 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 151 places, 151 transitions, 939 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:33,961 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:33,961 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:33,962 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:34,116 INFO L124 PetriNetUnfolderBase]: 13/198 cut-off events. [2025-03-15 01:54:34,116 INFO L125 PetriNetUnfolderBase]: For 404/408 co-relation queries the response was YES. [2025-03-15 01:54:34,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 719 conditions, 198 events. 13/198 cut-off events. For 404/408 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 394 event pairs, 3 based on Foata normal form. 2/198 useless extension candidates. Maximal degree in co-relation 537. Up to 39 conditions per place. [2025-03-15 01:54:34,117 INFO L140 encePairwiseOnDemand]: 107/116 looper letters, 21 selfloop transitions, 7 changer transitions 43/151 dead transitions. [2025-03-15 01:54:34,117 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 160 places, 151 transitions, 1071 flow [2025-03-15 01:54:34,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-15 01:54:34,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2025-03-15 01:54:34,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 994 transitions. [2025-03-15 01:54:34,119 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7789968652037618 [2025-03-15 01:54:34,119 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 40 predicate places. [2025-03-15 01:54:34,120 INFO L471 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 1071 flow [2025-03-15 01:54:34,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:34,120 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:34,120 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:34,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-15 01:54:34,120 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:34,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:34,121 INFO L85 PathProgramCache]: Analyzing trace with hash -701493524, now seen corresponding path program 2 times [2025-03-15 01:54:34,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:34,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954434852] [2025-03-15 01:54:34,121 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-15 01:54:34,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:34,135 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-15 01:54:34,135 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:34,294 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 01:54:34,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:34,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954434852] [2025-03-15 01:54:34,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954434852] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:34,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:34,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 01:54:34,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067685628] [2025-03-15 01:54:34,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:34,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:54:34,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:34,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:54:34,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:54:34,296 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:34,297 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 1071 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:34,297 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:34,297 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:34,297 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:34,459 INFO L124 PetriNetUnfolderBase]: 14/211 cut-off events. [2025-03-15 01:54:34,459 INFO L125 PetriNetUnfolderBase]: For 592/596 co-relation queries the response was YES. [2025-03-15 01:54:34,460 INFO L83 FinitePrefix]: Finished finitePrefix Result has 881 conditions, 211 events. 14/211 cut-off events. For 592/596 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 481 event pairs, 3 based on Foata normal form. 2/210 useless extension candidates. Maximal degree in co-relation 685. Up to 47 conditions per place. [2025-03-15 01:54:34,460 INFO L140 encePairwiseOnDemand]: 107/116 looper letters, 18 selfloop transitions, 6 changer transitions 55/159 dead transitions. [2025-03-15 01:54:34,461 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 174 places, 159 transitions, 1323 flow [2025-03-15 01:54:34,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-15 01:54:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2025-03-15 01:54:34,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1350 transitions. [2025-03-15 01:54:34,463 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7758620689655172 [2025-03-15 01:54:34,463 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 54 predicate places. [2025-03-15 01:54:34,463 INFO L471 AbstractCegarLoop]: Abstraction has has 174 places, 159 transitions, 1323 flow [2025-03-15 01:54:34,464 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:34,464 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-15 01:54:34,464 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:34,464 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-15 01:54:34,464 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2025-03-15 01:54:34,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-15 01:54:34,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1486651260, now seen corresponding path program 3 times [2025-03-15 01:54:34,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-15 01:54:34,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123570652] [2025-03-15 01:54:34,465 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-15 01:54:34,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-15 01:54:34,477 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2025-03-15 01:54:34,478 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-15 01:54:34,618 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 01:54:34,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-15 01:54:34,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123570652] [2025-03-15 01:54:34,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123570652] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-15 01:54:34,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-15 01:54:34,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-15 01:54:34,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213985097] [2025-03-15 01:54:34,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-15 01:54:34,619 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-15 01:54:34,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-15 01:54:34,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-15 01:54:34,620 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2025-03-15 01:54:34,620 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 116 [2025-03-15 01:54:34,621 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 174 places, 159 transitions, 1323 flow. Second operand has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:34,621 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-15 01:54:34,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 116 [2025-03-15 01:54:34,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-15 01:54:34,783 INFO L124 PetriNetUnfolderBase]: 14/210 cut-off events. [2025-03-15 01:54:34,783 INFO L125 PetriNetUnfolderBase]: For 773/777 co-relation queries the response was YES. [2025-03-15 01:54:34,783 INFO L83 FinitePrefix]: Finished finitePrefix Result has 967 conditions, 210 events. 14/210 cut-off events. For 773/777 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 478 event pairs, 3 based on Foata normal form. 2/210 useless extension candidates. Maximal degree in co-relation 757. Up to 46 conditions per place. [2025-03-15 01:54:34,784 INFO L140 encePairwiseOnDemand]: 107/116 looper letters, 0 selfloop transitions, 0 changer transitions 159/159 dead transitions. [2025-03-15 01:54:34,784 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 184 places, 159 transitions, 1471 flow [2025-03-15 01:54:34,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-15 01:54:34,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-15 01:54:34,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1167 transitions. [2025-03-15 01:54:34,786 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7738726790450928 [2025-03-15 01:54:34,787 INFO L298 CegarLoopForPetriNet]: 120 programPoint places, 64 predicate places. [2025-03-15 01:54:34,787 INFO L471 AbstractCegarLoop]: Abstraction has has 184 places, 159 transitions, 1471 flow [2025-03-15 01:54:34,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 89.0) internal successors, (623), 7 states have internal predecessors, (623), 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 01:54:34,794 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/04-mutex_51-mutex_ptr.i_petrified1_AllErrorsAtOnce [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining) [2025-03-15 01:54:34,820 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining) [2025-03-15 01:54:34,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-15 01:54:34,821 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1, 1, 1, 1] [2025-03-15 01:54:34,824 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-15 01:54:34,824 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-15 01:54:34,827 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.03 01:54:34 BasicIcfg [2025-03-15 01:54:34,827 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-15 01:54:34,828 INFO L158 Benchmark]: Toolchain (without parser) took 4451.17ms. Allocated memory was 71.3MB in the beginning and 155.2MB in the end (delta: 83.9MB). Free memory was 43.5MB in the beginning and 33.3MB in the end (delta: 10.2MB). Peak memory consumption was 90.6MB. Max. memory is 8.0GB. [2025-03-15 01:54:34,828 INFO L158 Benchmark]: CDTParser took 1.32ms. Allocated memory is still 71.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:34,828 INFO L158 Benchmark]: CACSL2BoogieTranslator took 460.53ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 41.2MB in the end (delta: 2.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:34,828 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.47ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 39.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-15 01:54:34,831 INFO L158 Benchmark]: Boogie Preprocessor took 28.69ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-15 01:54:34,831 INFO L158 Benchmark]: RCFGBuilder took 308.12ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 23.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-03-15 01:54:34,832 INFO L158 Benchmark]: TraceAbstraction took 3608.54ms. Allocated memory was 71.3MB in the beginning and 155.2MB in the end (delta: 83.9MB). Free memory was 22.0MB in the beginning and 33.3MB in the end (delta: -11.3MB). Peak memory consumption was 69.7MB. Max. memory is 8.0GB. [2025-03-15 01:54:34,832 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.32ms. Allocated memory is still 71.3MB. Free memory is still 33.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 460.53ms. Allocated memory is still 71.3MB. Free memory was 43.3MB in the beginning and 41.2MB in the end (delta: 2.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 35.47ms. Allocated memory is still 71.3MB. Free memory was 41.2MB in the beginning and 39.0MB in the end (delta: 2.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.69ms. Allocated memory is still 71.3MB. Free memory was 39.0MB in the beginning and 37.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 308.12ms. Allocated memory is still 71.3MB. Free memory was 37.7MB in the beginning and 23.0MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 3608.54ms. Allocated memory was 71.3MB in the beginning and 155.2MB in the end (delta: 83.9MB). Free memory was 22.0MB in the beginning and 33.3MB in the end (delta: -11.3MB). Peak memory consumption was 69.7MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 937]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 926]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 926]: 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 3 procedures, 136 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.1s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 3.5s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 224 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 224 mSDsluCounter, 247 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 175 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 873 IncrementalHoareTripleChecker+Invalid, 888 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 72 mSDtfsCounter, 873 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 80 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1471occurred in iteration=9, InterpolantAutomatonStates: 79, 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, 1.7s InterpolantComputationTime, 861 NumberOfCodeBlocks, 861 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 852 ConstructedInterpolants, 0 QuantifiedInterpolants, 4833 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-15 01:54:34,853 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...