/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/pthread/singleton_with-uninit-problems.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.empire2-owicki-f61efc6-m [2025-03-14 21:31:45,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-14 21:31:45,089 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 21:31:45,126 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-14 21:31:45,127 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-14 21:31:45,128 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-14 21:31:45,128 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-14 21:31:45,128 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-14 21:31:45,128 INFO L153 SettingsManager]: * Use SBE=true [2025-03-14 21:31:45,128 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-14 21:31:45,129 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-14 21:31:45,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * To the following directory=./dump/ [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:31:45,130 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-14 21:31:45,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-14 21:31:45,131 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-14 21:31:45,131 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-14 21:31:45,131 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-14 21:31:45,131 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 21:31:45,352 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-14 21:31:45,359 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-14 21:31:45,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-14 21:31:45,362 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-14 21:31:45,362 INFO L274 PluginConnector]: CDTParser initialized [2025-03-14 21:31:45,365 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2025-03-14 21:31:46,603 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47febc29/cdb159975d814dfd8b9c16a46fd6d09d/FLAGf51028c2c [2025-03-14 21:31:46,875 INFO L384 CDTParser]: Found 1 translation units. [2025-03-14 21:31:46,876 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i [2025-03-14 21:31:46,892 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47febc29/cdb159975d814dfd8b9c16a46fd6d09d/FLAGf51028c2c [2025-03-14 21:31:46,908 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a47febc29/cdb159975d814dfd8b9c16a46fd6d09d [2025-03-14 21:31:46,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-14 21:31:46,910 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-03-14 21:31:46,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-14 21:31:46,912 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-14 21:31:46,915 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-14 21:31:46,915 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:31:46" (1/1) ... [2025-03-14 21:31:46,916 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ff3e07c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:46, skipping insertion in model container [2025-03-14 21:31:46,917 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.03 09:31:46" (1/1) ... [2025-03-14 21:31:46,946 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-14 21:31:47,168 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2025-03-14 21:31:47,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:31:47,194 INFO L200 MainTranslator]: Completed pre-run [2025-03-14 21:31:47,234 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581] [2025-03-14 21:31:47,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-14 21:31:47,298 INFO L204 MainTranslator]: Completed translation [2025-03-14 21:31:47,298 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47 WrapperNode [2025-03-14 21:31:47,298 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-14 21:31:47,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-14 21:31:47,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-14 21:31:47,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-14 21:31:47,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,313 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,326 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2025-03-14 21:31:47,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-14 21:31:47,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-14 21:31:47,327 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-14 21:31:47,327 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-14 21:31:47,332 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,334 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,334 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,338 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,338 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,343 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,344 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,345 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-14 21:31:47,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-03-14 21:31:47,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-03-14 21:31:47,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-03-14 21:31:47,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (1/1) ... [2025-03-14 21:31:47,350 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2025-03-14 21:31:47,360 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-14 21:31:47,371 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 21:31:47,374 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 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread0 [2025-03-14 21:31:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0 [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-03-14 21:31:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-03-14 21:31:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-03-14 21:31:47,393 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-03-14 21:31:47,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-03-14 21:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-03-14 21:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-14 21:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-03-14 21:31:47,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-14 21:31:47,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-14 21:31:47,395 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 21:31:47,484 INFO L234 CfgBuilder]: Building ICFG [2025-03-14 21:31:47,486 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-14 21:31:47,611 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-03-14 21:31:47,611 INFO L283 CfgBuilder]: Performing block encoding [2025-03-14 21:31:47,638 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-14 21:31:47,638 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-14 21:31:47,638 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:31:47 BoogieIcfgContainer [2025-03-14 21:31:47,638 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-03-14 21:31:47,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-14 21:31:47,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-14 21:31:47,646 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-14 21:31:47,646 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.03 09:31:46" (1/3) ... [2025-03-14 21:31:47,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef09b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:31:47, skipping insertion in model container [2025-03-14 21:31:47,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.03 09:31:47" (2/3) ... [2025-03-14 21:31:47,647 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ef09b93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.03 09:31:47, skipping insertion in model container [2025-03-14 21:31:47,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.03 09:31:47" (3/3) ... [2025-03-14 21:31:47,648 INFO L128 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i [2025-03-14 21:31:47,660 INFO L303 ceAbstractionStarter]: Automizer settings: Hoare:All NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-14 21:31:47,661 INFO L169 ceAbstractionStarter]: Applying trace abstraction to ICFG singleton_with-uninit-problems.i that has 5 procedures, 100 locations, 1 initial locations, 0 loop locations, and 1 error locations. [2025-03-14 21:31:47,662 INFO L581 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-03-14 21:31:47,759 INFO L143 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions. [2025-03-14 21:31:47,790 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-14 21:31:47,798 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;@292acdfa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-14 21:31:47,798 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2025-03-14 21:31:47,849 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2025-03-14 21:31:47,849 INFO L124 PetriNetUnfolderBase]: 6/98 cut-off events. [2025-03-14 21:31:47,852 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2025-03-14 21:31:47,852 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:31:47,852 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] [2025-03-14 21:31:47,853 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2025-03-14 21:31:47,857 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:31:47,857 INFO L85 PathProgramCache]: Analyzing trace with hash -861182525, now seen corresponding path program 1 times [2025-03-14 21:31:47,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:31:47,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1281080994] [2025-03-14 21:31:47,864 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:31:47,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:31:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:31:48,257 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 21:31:48,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:31:48,257 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1281080994] [2025-03-14 21:31:48,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1281080994] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:31:48,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:31:48,258 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:31:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126120191] [2025-03-14 21:31:48,260 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:31:48,265 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:31:48,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:31:48,285 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:31:48,285 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:31:48,288 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 156 [2025-03-14 21:31:48,293 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 163 places, 154 transitions, 405 flow. Second operand has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 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 21:31:48,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:31:48,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 156 [2025-03-14 21:31:48,295 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:31:48,488 INFO L124 PetriNetUnfolderBase]: 68/272 cut-off events. [2025-03-14 21:31:48,488 INFO L125 PetriNetUnfolderBase]: For 66/66 co-relation queries the response was YES. [2025-03-14 21:31:48,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 484 conditions, 272 events. 68/272 cut-off events. For 66/66 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 764 event pairs, 51 based on Foata normal form. 1/245 useless extension candidates. Maximal degree in co-relation 431. Up to 130 conditions per place. [2025-03-14 21:31:48,499 INFO L140 encePairwiseOnDemand]: 147/156 looper letters, 29 selfloop transitions, 0 changer transitions 18/115 dead transitions. [2025-03-14 21:31:48,499 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 115 transitions, 365 flow [2025-03-14 21:31:48,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-14 21:31:48,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2025-03-14 21:31:48,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 674 transitions. [2025-03-14 21:31:48,513 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7200854700854701 [2025-03-14 21:31:48,516 INFO L298 CegarLoopForPetriNet]: 163 programPoint places, -37 predicate places. [2025-03-14 21:31:48,517 INFO L471 AbstractCegarLoop]: Abstraction has has 126 places, 115 transitions, 365 flow [2025-03-14 21:31:48,517 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.6) internal successors, (548), 5 states have internal predecessors, (548), 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 21:31:48,517 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:31:48,517 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] [2025-03-14 21:31:48,518 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-14 21:31:48,518 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2025-03-14 21:31:48,519 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:31:48,519 INFO L85 PathProgramCache]: Analyzing trace with hash 1121372312, now seen corresponding path program 1 times [2025-03-14 21:31:48,519 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:31:48,519 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787988604] [2025-03-14 21:31:48,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-14 21:31:48,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:31:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-14 21:31:48,714 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 21:31:48,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:31:48,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787988604] [2025-03-14 21:31:48,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787988604] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:31:48,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:31:48,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-14 21:31:48,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432682544] [2025-03-14 21:31:48,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:31:48,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-14 21:31:48,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:31:48,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-14 21:31:48,716 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-03-14 21:31:48,717 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 104 out of 156 [2025-03-14 21:31:48,717 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 126 places, 115 transitions, 365 flow. Second operand has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 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 21:31:48,717 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:31:48,717 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 104 of 156 [2025-03-14 21:31:48,718 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:31:48,919 INFO L124 PetriNetUnfolderBase]: 92/381 cut-off events. [2025-03-14 21:31:48,919 INFO L125 PetriNetUnfolderBase]: For 191/253 co-relation queries the response was YES. [2025-03-14 21:31:48,920 INFO L83 FinitePrefix]: Finished finitePrefix Result has 870 conditions, 381 events. 92/381 cut-off events. For 191/253 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1398 event pairs, 16 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 807. Up to 180 conditions per place. [2025-03-14 21:31:48,921 INFO L140 encePairwiseOnDemand]: 146/156 looper letters, 36 selfloop transitions, 4 changer transitions 34/139 dead transitions. [2025-03-14 21:31:48,921 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 132 places, 139 transitions, 615 flow [2025-03-14 21:31:48,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-14 21:31:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2025-03-14 21:31:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 791 transitions. [2025-03-14 21:31:48,925 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.7243589743589743 [2025-03-14 21:31:48,925 INFO L298 CegarLoopForPetriNet]: 163 programPoint places, -31 predicate places. [2025-03-14 21:31:48,925 INFO L471 AbstractCegarLoop]: Abstraction has has 132 places, 139 transitions, 615 flow [2025-03-14 21:31:48,926 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 109.4) internal successors, (547), 5 states have internal predecessors, (547), 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 21:31:48,926 INFO L213 CegarLoopForPetriNet]: Found error trace [2025-03-14 21:31:48,926 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] [2025-03-14 21:31:48,926 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-14 21:31:48,926 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2025-03-14 21:31:48,927 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-14 21:31:48,927 INFO L85 PathProgramCache]: Analyzing trace with hash -2035243014, now seen corresponding path program 2 times [2025-03-14 21:31:48,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-14 21:31:48,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663209071] [2025-03-14 21:31:48,927 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-14 21:31:48,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-14 21:31:48,948 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-03-14 21:31:48,948 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2025-03-14 21:31:49,130 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 21:31:49,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-14 21:31:49,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663209071] [2025-03-14 21:31:49,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663209071] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-14 21:31:49,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-14 21:31:49,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-03-14 21:31:49,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964109062] [2025-03-14 21:31:49,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-14 21:31:49,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-14 21:31:49,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-14 21:31:49,131 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-14 21:31:49,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2025-03-14 21:31:49,141 INFO L486 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 156 [2025-03-14 21:31:49,142 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 139 transitions, 615 flow. Second operand has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 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 21:31:49,142 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2025-03-14 21:31:49,142 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 156 [2025-03-14 21:31:49,142 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2025-03-14 21:31:49,414 INFO L124 PetriNetUnfolderBase]: 92/371 cut-off events. [2025-03-14 21:31:49,415 INFO L125 PetriNetUnfolderBase]: For 310/458 co-relation queries the response was YES. [2025-03-14 21:31:49,416 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1063 conditions, 371 events. 92/371 cut-off events. For 310/458 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1341 event pairs, 11 based on Foata normal form. 6/340 useless extension candidates. Maximal degree in co-relation 990. Up to 179 conditions per place. [2025-03-14 21:31:49,417 INFO L140 encePairwiseOnDemand]: 142/156 looper letters, 0 selfloop transitions, 0 changer transitions 149/149 dead transitions. [2025-03-14 21:31:49,417 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 142 places, 149 transitions, 833 flow [2025-03-14 21:31:49,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-14 21:31:49,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2025-03-14 21:31:49,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1349 transitions. [2025-03-14 21:31:49,421 INFO L531 CegarLoopForPetriNet]: DFA transition density 0.6651873767258383 [2025-03-14 21:31:49,422 INFO L298 CegarLoopForPetriNet]: 163 programPoint places, -21 predicate places. [2025-03-14 21:31:49,422 INFO L471 AbstractCegarLoop]: Abstraction has has 142 places, 149 transitions, 833 flow [2025-03-14 21:31:49,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.28571428571429) internal successors, (716), 7 states have internal predecessors, (716), 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 21:31:49,431 INFO L161 wickiGriesTestDumper]: Dumping Owicki-Gries test to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/singleton_with-uninit-problems.i_petrified1_AllErrorsAtOnce [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 12 remaining) [2025-03-14 21:31:49,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 12 remaining) [2025-03-14 21:31:49,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 12 remaining) [2025-03-14 21:31:49,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 12 remaining) [2025-03-14 21:31:49,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 12 remaining) [2025-03-14 21:31:49,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 12 remaining) [2025-03-14 21:31:49,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-14 21:31:49,449 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1] [2025-03-14 21:31:49,452 INFO L328 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-03-14 21:31:49,453 INFO L188 ceAbstractionStarter]: Computing trace abstraction results [2025-03-14 21:31:49,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.03 09:31:49 BasicIcfg [2025-03-14 21:31:49,458 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-03-14 21:31:49,459 INFO L158 Benchmark]: Toolchain (without parser) took 2548.43ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 42.9MB in the beginning and 37.4MB in the end (delta: 5.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2025-03-14 21:31:49,459 INFO L158 Benchmark]: CDTParser took 1.26ms. Allocated memory is still 71.3MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:31:49,459 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.89ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 34.2MB in the end (delta: 8.4MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. [2025-03-14 21:31:49,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.38ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:31:49,460 INFO L158 Benchmark]: Boogie Preprocessor took 18.55ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. [2025-03-14 21:31:49,460 INFO L158 Benchmark]: RCFGBuilder took 292.25ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 40.4MB in the end (delta: -9.4MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. [2025-03-14 21:31:49,461 INFO L158 Benchmark]: TraceAbstraction took 1815.53ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 39.0MB in the beginning and 37.4MB in the end (delta: 1.6MB). Peak memory consumption was 38.5MB. Max. memory is 8.0GB. [2025-03-14 21:31:49,461 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.26ms. Allocated memory is still 71.3MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 386.89ms. Allocated memory is still 71.3MB. Free memory was 42.6MB in the beginning and 34.2MB in the end (delta: 8.4MB). Peak memory consumption was 25.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 27.38ms. Allocated memory is still 71.3MB. Free memory was 34.2MB in the beginning and 32.2MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 18.55ms. Allocated memory is still 71.3MB. Free memory was 32.2MB in the beginning and 30.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 292.25ms. Allocated memory is still 71.3MB. Free memory was 30.9MB in the beginning and 40.4MB in the end (delta: -9.4MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB. * TraceAbstraction took 1815.53ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 39.0MB in the beginning and 37.4MB in the end (delta: 1.6MB). Peak memory consumption was 38.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1123]: 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 11 procedures, 182 locations, 12 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: 1.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 71 mSDsluCounter, 168 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 119 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 450 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 49 mSDtfsCounter, 450 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=833occurred in iteration=3, InterpolantAutomatonStates: 26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 274 NumberOfCodeBlocks, 274 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 271 ConstructedInterpolants, 0 QuantifiedInterpolants, 473 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2025-03-14 21:31:49,474 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...