/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 -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-14 21:49:36,515 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 21:49:36,567 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 [2025-03-14 21:49:36,611 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 21:49:36,612 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 21:49:36,612 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 21:49:36,612 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 21:49:36,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 21:49:36,612 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 21:49:36,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 21:49:36,613 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 21:49:36,614 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-14 21:49:36,614 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 21:49:36,614 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-14 21:49:36,614 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:49:36,615 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 21:49:36,615 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 21:49:36,615 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 [2025-03-14 21:49:36,848 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 21:49:36,853 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 21:49:36,855 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 21:49:36,855 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 21:49:36,856 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 21:49:36,856 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2025-03-14 21:49:38,014 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe6241ac/91b52c00eb1a4b7d897e4258953620eb/FLAG8ab1c67c2 [2025-03-14 21:49:38,206 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 21:49:38,206 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i [2025-03-14 21:49:38,214 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe6241ac/91b52c00eb1a4b7d897e4258953620eb/FLAG8ab1c67c2 [2025-03-14 21:49:38,224 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afe6241ac/91b52c00eb1a4b7d897e4258953620eb [2025-03-14 21:49:38,226 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 21:49:38,227 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-14 21:49:38,227 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 21:49:38,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 21:49:38,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 21:49:38,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,231 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b2c2ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38, skipping insertion in model container [2025-03-14 21:49:38,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,254 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 21:49:38,377 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2025-03-14 21:49:38,508 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:49:38,524 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 21:49:38,532 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2025-03-14 21:49:38,563 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:49:38,592 INFO L204 MainTranslator]: Completed translation [2025-03-14 21:49:38,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38 WrapperNode [2025-03-14 21:49:38,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 21:49:38,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 21:49:38,593 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 21:49:38,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 21:49:38,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,606 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,620 INFO L138 Inliner]: procedures = 162, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 80 [2025-03-14 21:49:38,620 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 21:49:38,621 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 21:49:38,621 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 21:49:38,621 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 21:49:38,624 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,626 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,626 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,629 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,629 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,630 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 21:49:38,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-14 21:49:38,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-14 21:49:38,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-14 21:49:38,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (1/1) ... [2025-03-14 21:49:38,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:49:38,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 21:49:38,659 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) [2025-03-14 21:49:38,664 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 [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-03-14 21:49:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-03-14 21:49:38,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 21:49:38,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 21:49:38,694 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-03-14 21:49:38,776 INFO L234 CfgBuilder]: Building ICFG [2025-03-14 21:49:38,777 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 21:49:38,889 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 21:49:38,889 INFO L283 CfgBuilder]: Performing block encoding [2025-03-14 21:49:38,907 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 21:49:38,908 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 21:49:38,908 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:49:38 BoogieIcfgContainer [2025-03-14 21:49:38,908 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-14 21:49:38,913 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 21:49:38,913 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 21:49:38,917 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 21:49:38,917 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 09:49:38" (1/3) ... [2025-03-14 21:49:38,918 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c13223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:49:38, skipping insertion in model container [2025-03-14 21:49:38,918 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:49:38" (2/3) ... [2025-03-14 21:49:38,919 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17c13223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:49:38, skipping insertion in model container [2025-03-14 21:49:38,919 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:49:38" (3/3) ... [2025-03-14 21:49:38,920 INFO L128 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2025-03-14 21:49:38,930 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 21:49:38,931 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG 13-privatized_20-publish-regression_true.i that has 2 procedures, 85 locations, 1 initial locations, 0 loop locations, and 3 error locations. [2025-03-14 21:49:38,932 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 21:49:38,973 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-03-14 21:49:39,008 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 21:49:39,021 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;@594255ab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 21:49:39,021 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-03-14 21:49:39,048 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 21:49:39,052 INFO L124 PetriNetUnfolderBase]: 0/29 cut-off events. [2025-03-14 21:49:39,053 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2025-03-14 21:49:39,053 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:39,054 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] [2025-03-14 21:49:39,054 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-14 21:49:39,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:39,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1160482272, now seen corresponding path program 1 times [2025-03-14 21:49:39,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:39,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214442118] [2025-03-14 21:49:39,065 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:39,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:39,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:39,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:39,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214442118] [2025-03-14 21:49:39,346 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214442118] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:39,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:39,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:49:39,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408059607] [2025-03-14 21:49:39,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:39,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:49:39,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:39,369 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:49:39,370 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:49:39,371 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 87 [2025-03-14 21:49:39,375 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 87 transitions, 181 flow. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 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) [2025-03-14 21:49:39,375 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:39,375 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 87 [2025-03-14 21:49:39,376 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:39,632 INFO L124 PetriNetUnfolderBase]: 108/417 cut-off events. [2025-03-14 21:49:39,632 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2025-03-14 21:49:39,636 INFO L83 FinitePrefix]: Finished finitePrefix Result has 671 conditions, 417 events. 108/417 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 1902 event pairs, 30 based on Foata normal form. 20/417 useless extension candidates. Maximal degree in co-relation 617. Up to 72 conditions per place. [2025-03-14 21:49:39,640 INFO L140 encePairwiseOnDemand]: 71/87 looper letters, 39 selfloop transitions, 18 changer transitions 17/121 dead transitions. [2025-03-14 21:49:39,640 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 121 transitions, 388 flow [2025-03-14 21:49:39,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-14 21:49:39,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2025-03-14 21:49:39,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 556 transitions. [2025-03-14 21:49:39,654 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7100893997445722 [2025-03-14 21:49:39,657 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 2 predicate places. [2025-03-14 21:49:39,658 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 121 transitions, 388 flow [2025-03-14 21:49:39,658 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 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) [2025-03-14 21:49:39,658 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:39,658 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] [2025-03-14 21:49:39,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 21:49:39,658 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-14 21:49:39,659 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:39,659 INFO L85 PathProgramCache]: Analyzing trace with hash -1846644558, now seen corresponding path program 1 times [2025-03-14 21:49:39,659 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:39,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [382948341] [2025-03-14 21:49:39,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:39,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:39,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:39,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [382948341] [2025-03-14 21:49:39,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [382948341] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:39,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:39,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-14 21:49:39,822 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220927347] [2025-03-14 21:49:39,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:39,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-14 21:49:39,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:39,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-14 21:49:39,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-14 21:49:39,825 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 65 out of 87 [2025-03-14 21:49:39,825 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 121 transitions, 388 flow. Second operand has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2025-03-14 21:49:39,825 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:39,825 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 65 of 87 [2025-03-14 21:49:39,825 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:39,914 INFO L124 PetriNetUnfolderBase]: 63/281 cut-off events. [2025-03-14 21:49:39,914 INFO L125 PetriNetUnfolderBase]: For 58/58 co-relation queries the response was YES. [2025-03-14 21:49:39,916 INFO L83 FinitePrefix]: Finished finitePrefix Result has 540 conditions, 281 events. 63/281 cut-off events. For 58/58 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1061 event pairs, 12 based on Foata normal form. 10/281 useless extension candidates. Maximal degree in co-relation 477. Up to 68 conditions per place. [2025-03-14 21:49:39,916 INFO L140 encePairwiseOnDemand]: 81/87 looper letters, 12 selfloop transitions, 7 changer transitions 20/107 dead transitions. [2025-03-14 21:49:39,916 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 107 transitions, 394 flow [2025-03-14 21:49:39,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-14 21:49:39,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2025-03-14 21:49:39,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 217 transitions. [2025-03-14 21:49:39,919 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.8314176245210728 [2025-03-14 21:49:39,919 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 2 predicate places. [2025-03-14 21:49:39,919 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 107 transitions, 394 flow [2025-03-14 21:49:39,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 68.33333333333333) internal successors, (205), 3 states have internal predecessors, (205), 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) [2025-03-14 21:49:39,920 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:39,920 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] [2025-03-14 21:49:39,920 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 21:49:39,920 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-14 21:49:39,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:39,920 INFO L85 PathProgramCache]: Analyzing trace with hash -538338309, now seen corresponding path program 1 times [2025-03-14 21:49:39,920 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:39,920 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406992338] [2025-03-14 21:49:39,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:39,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:39,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:40,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:40,006 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:40,006 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406992338] [2025-03-14 21:49:40,006 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406992338] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:40,006 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:40,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:49:40,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348747531] [2025-03-14 21:49:40,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:40,006 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:49:40,007 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:40,007 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:49:40,007 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:49:40,008 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 87 [2025-03-14 21:49:40,008 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 107 transitions, 394 flow. Second operand has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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) [2025-03-14 21:49:40,008 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:40,008 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 87 [2025-03-14 21:49:40,008 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:40,125 INFO L124 PetriNetUnfolderBase]: 78/309 cut-off events. [2025-03-14 21:49:40,125 INFO L125 PetriNetUnfolderBase]: For 186/186 co-relation queries the response was YES. [2025-03-14 21:49:40,126 INFO L83 FinitePrefix]: Finished finitePrefix Result has 739 conditions, 309 events. 78/309 cut-off events. For 186/186 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 1186 event pairs, 12 based on Foata normal form. 0/299 useless extension candidates. Maximal degree in co-relation 671. Up to 72 conditions per place. [2025-03-14 21:49:40,127 INFO L140 encePairwiseOnDemand]: 80/87 looper letters, 19 selfloop transitions, 7 changer transitions 32/111 dead transitions. [2025-03-14 21:49:40,127 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 111 transitions, 512 flow [2025-03-14 21:49:40,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 21:49:40,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 21:49:40,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 326 transitions. [2025-03-14 21:49:40,129 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7494252873563219 [2025-03-14 21:49:40,130 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 4 predicate places. [2025-03-14 21:49:40,130 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 111 transitions, 512 flow [2025-03-14 21:49:40,130 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 61.4) internal successors, (307), 5 states have internal predecessors, (307), 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) [2025-03-14 21:49:40,130 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:49:40,130 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] [2025-03-14 21:49:40,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 21:49:40,131 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-03-14 21:49:40,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:49:40,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1119524119, now seen corresponding path program 1 times [2025-03-14 21:49:40,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:49:40,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979912161] [2025-03-14 21:49:40,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:49:40,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:49:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:49:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-14 21:49:40,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:49:40,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979912161] [2025-03-14 21:49:40,303 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979912161] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:49:40,303 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:49:40,303 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-03-14 21:49:40,303 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473088876] [2025-03-14 21:49:40,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:49:40,304 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-14 21:49:40,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:49:40,304 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-14 21:49:40,304 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-03-14 21:49:40,305 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 59 out of 87 [2025-03-14 21:49:40,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 111 transitions, 512 flow. Second operand has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 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) [2025-03-14 21:49:40,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:49:40,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 59 of 87 [2025-03-14 21:49:40,305 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:49:40,379 INFO L124 PetriNetUnfolderBase]: 9/134 cut-off events. [2025-03-14 21:49:40,379 INFO L125 PetriNetUnfolderBase]: For 165/165 co-relation queries the response was YES. [2025-03-14 21:49:40,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 332 conditions, 134 events. 9/134 cut-off events. For 165/165 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 223 event pairs, 3 based on Foata normal form. 9/143 useless extension candidates. Maximal degree in co-relation 249. Up to 33 conditions per place. [2025-03-14 21:49:40,380 INFO L140 encePairwiseOnDemand]: 81/87 looper letters, 0 selfloop transitions, 0 changer transitions 78/78 dead transitions. [2025-03-14 21:49:40,381 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 78 transitions, 364 flow [2025-03-14 21:49:40,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-14 21:49:40,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2025-03-14 21:49:40,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 319 transitions. [2025-03-14 21:49:40,382 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7333333333333333 [2025-03-14 21:49:40,383 INFO L298 CegarLoopForPetriNet]: 88 programPoint places, 4 predicate places. [2025-03-14 21:49:40,383 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 78 transitions, 364 flow [2025-03-14 21:49:40,384 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 61.833333333333336) internal successors, (371), 6 states have internal predecessors, (371), 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) [2025-03-14 21:49:40,388 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/13-privatized_20-publish-regression_true.i_petrified1_AllErrorsAtOnce [2025-03-14 21:49:40,407 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2025-03-14 21:49:40,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2025-03-14 21:49:40,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2025-03-14 21:49:40,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2025-03-14 21:49:40,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2025-03-14 21:49:40,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-14 21:49:40,408 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2025-03-14 21:49:40,413 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 21:49:40,413 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 21:49:40,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 09:49:40 BasicIcfg [2025-03-14 21:49:40,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 21:49:40,418 INFO L158 Benchmark]: Toolchain (without parser) took 2190.00ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 43.3MB in the beginning and 16.3MB in the end (delta: 27.0MB). Peak memory consumption was 41.6MB. Max. memory is 8.0GB. [2025-03-14 21:49:40,418 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:49:40,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 23.6MB in the end (delta: 19.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2025-03-14 21:49:40,419 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.03ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-03-14 21:49:40,419 INFO L158 Benchmark]: Boogie Preprocessor took 11.62ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 20.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:49:40,419 INFO L158 Benchmark]: RCFGBuilder took 275.34ms. Allocated memory is still 71.3MB. Free memory was 20.9MB in the beginning and 33.0MB in the end (delta: -12.1MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. [2025-03-14 21:49:40,420 INFO L158 Benchmark]: TraceAbstraction took 1503.36ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 16.3MB in the end (delta: 15.7MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. [2025-03-14 21:49:40,421 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 71.3MB. Free memory is still 36.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 365.44ms. Allocated memory is still 71.3MB. Free memory was 43.1MB in the beginning and 23.6MB in the end (delta: 19.5MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.03ms. Allocated memory is still 71.3MB. Free memory was 23.6MB in the beginning and 22.0MB in the end (delta: 1.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.62ms. Allocated memory is still 71.3MB. Free memory was 22.0MB in the beginning and 20.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 275.34ms. Allocated memory is still 71.3MB. Free memory was 20.9MB in the beginning and 33.0MB in the end (delta: -12.1MB). Peak memory consumption was 7.1MB. Max. memory is 8.0GB. * TraceAbstraction took 1503.36ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.1MB in the beginning and 16.3MB in the end (delta: 15.7MB). Peak memory consumption was 30.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 113 locations, 5 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: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 74 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 39 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 245 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 35 mSDtfsCounter, 245 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=512occurred in iteration=3, 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, 0.0s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 177 NumberOfCodeBlocks, 177 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 173 ConstructedInterpolants, 0 QuantifiedInterpolants, 402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 3 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 21:49:40,435 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...