This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 14:46:55,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 14:46:55,713 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 14:46:55,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 14:46:55,719 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 14:46:55,747 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 14:46:55,750 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 14:46:55,750 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 14:46:55,751 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 14:46:55,751 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 14:46:55,752 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 14:46:55,752 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 14:46:55,754 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 14:46:55,756 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 14:46:55,756 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 14:46:55,757 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 14:46:55,757 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 14:46:55,757 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 14:46:55,758 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 14:46:55,758 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 14:46:55,758 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 14:46:55,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 14:46:55,761 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 14:46:55,761 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 14:46:55,761 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 14:46:55,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 14:46:55,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 14:46:55,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 14:46:55,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 14:46:55,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 14:46:55,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:46:55,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 14:46:55,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 14:46:55,765 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 14:46:55,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 14:46:55,765 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 14:46:55,765 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 14:46:55,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 14:46:55,766 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 14:46:55,766 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 14:46:55,767 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 14:46:55,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 01186d000498d57447d1d7ea86dd893215c56febea2169abeb96f12030a58ea4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> SYMBOLIC_RELATION [2024-10-16 14:46:56,095 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 14:46:56,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 14:46:56,122 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 14:46:56,123 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 14:46:56,124 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 14:46:56,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-10-16 14:46:57,622 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 14:46:57,836 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 14:46:57,836 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c [2024-10-16 14:46:57,843 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/148dc6c0e/1f3ba9f001904e0393aac76c13fb9d92/FLAG35b8a4347 [2024-10-16 14:46:57,855 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/148dc6c0e/1f3ba9f001904e0393aac76c13fb9d92 [2024-10-16 14:46:57,857 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 14:46:57,858 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 14:46:57,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 14:46:57,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 14:46:57,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 14:46:57,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:57" (1/1) ... [2024-10-16 14:46:57,866 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@168a0710 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:57, skipping insertion in model container [2024-10-16 14:46:57,866 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:46:57" (1/1) ... [2024-10-16 14:46:57,887 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 14:46:58,099 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2024-10-16 14:46:58,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:46:58,121 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 14:46:58,155 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-ring-nondet.wvr.c[4124,4137] [2024-10-16 14:46:58,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 14:46:58,181 INFO L204 MainTranslator]: Completed translation [2024-10-16 14:46:58,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58 WrapperNode [2024-10-16 14:46:58,182 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 14:46:58,183 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 14:46:58,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 14:46:58,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 14:46:58,195 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,251 INFO L138 Inliner]: procedures = 24, calls = 48, calls flagged for inlining = 16, calls inlined = 20, statements flattened = 315 [2024-10-16 14:46:58,251 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 14:46:58,252 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 14:46:58,254 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 14:46:58,254 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 14:46:58,262 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,262 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,267 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,284 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,291 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,299 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,307 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 14:46:58,308 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 14:46:58,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 14:46:58,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 14:46:58,312 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (1/1) ... [2024-10-16 14:46:58,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 14:46:58,329 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:46:58,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-10-16 14:46:58,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-10-16 14:46:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 14:46:58,384 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 14:46:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 14:46:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 14:46:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 14:46:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 14:46:58,385 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 14:46:58,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 14:46:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-16 14:46:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 14:46:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 14:46:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 14:46:58,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 14:46:58,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 14:46:58,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-16 14:46:58,388 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-10-16 14:46:58,499 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 14:46:58,501 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 14:46:59,000 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 14:46:59,000 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 14:46:59,342 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 14:46:59,343 INFO L314 CfgBuilder]: Removed 6 assume(true) statements. [2024-10-16 14:46:59,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:59 BoogieIcfgContainer [2024-10-16 14:46:59,344 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 14:46:59,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 14:46:59,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 14:46:59,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 14:46:59,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:46:57" (1/3) ... [2024-10-16 14:46:59,350 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7024bfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:46:59, skipping insertion in model container [2024-10-16 14:46:59,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:46:58" (2/3) ... [2024-10-16 14:46:59,352 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7024bfab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:46:59, skipping insertion in model container [2024-10-16 14:46:59,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:59" (3/3) ... [2024-10-16 14:46:59,354 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-ring-nondet.wvr.c [2024-10-16 14:46:59,368 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 14:46:59,368 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 14:46:59,368 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 14:46:59,453 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 14:46:59,498 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 14:46:59,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 14:46:59,498 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:46:59,500 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-10-16 14:46:59,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-10-16 14:46:59,606 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 14:46:59,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:46:59,627 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 14:46:59,634 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@21dacd92, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=SYMBOLIC_RELATION, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 14:46:59,635 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 14:47:00,483 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:47:00,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:47:00,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1624117310, now seen corresponding path program 1 times [2024-10-16 14:47:00,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:47:00,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46233345] [2024-10-16 14:47:00,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:00,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:47:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 14:47:00,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:47:00,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46233345] [2024-10-16 14:47:00,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46233345] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:47:00,901 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:47:00,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 14:47:00,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143049086] [2024-10-16 14:47:00,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:47:00,908 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 14:47:00,908 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:47:00,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 14:47:00,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 14:47:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:00,935 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:47:00,936 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 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) [2024-10-16 14:47:00,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:01,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 14:47:01,042 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:47:01,043 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:47:01,044 INFO L85 PathProgramCache]: Analyzing trace with hash 884344244, now seen corresponding path program 1 times [2024-10-16 14:47:01,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:47:01,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016716443] [2024-10-16 14:47:01,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:01,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:47:01,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:01,200 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-16 14:47:01,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:47:01,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016716443] [2024-10-16 14:47:01,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016716443] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:47:01,201 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 14:47:01,201 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 14:47:01,201 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254922641] [2024-10-16 14:47:01,201 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:47:01,202 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 14:47:01,202 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:47:01,204 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 14:47:01,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 14:47:01,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:01,205 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:47:01,205 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 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) [2024-10-16 14:47:01,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-16 14:47:01,294 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:47:01,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:47:01,295 INFO L85 PathProgramCache]: Analyzing trace with hash -431387941, now seen corresponding path program 2 times [2024-10-16 14:47:01,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:47:01,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441424390] [2024-10-16 14:47:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:01,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:47:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 14:47:01,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:47:01,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441424390] [2024-10-16 14:47:01,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441424390] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:47:01,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771223468] [2024-10-16 14:47:01,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 14:47:01,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:47:01,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:47:01,482 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:47:01,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-16 14:47:01,633 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-16 14:47:01,634 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 14:47:01,640 INFO L255 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-16 14:47:01,654 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:47:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-16 14:47:01,789 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 14:47:01,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771223468] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:47:01,789 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 14:47:01,789 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-10-16 14:47:01,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071952312] [2024-10-16 14:47:01,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:47:01,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 14:47:01,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:47:01,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 14:47:01,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 14:47:01,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:01,795 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:47:01,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-10-16 14:47:01,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:01,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:01,927 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-16 14:47:02,110 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-10-16 14:47:02,110 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:47:02,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:47:02,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1089214198, now seen corresponding path program 1 times [2024-10-16 14:47:02,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:47:02,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793280745] [2024-10-16 14:47:02,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:02,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:47:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:02,242 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-16 14:47:02,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:47:02,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793280745] [2024-10-16 14:47:02,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793280745] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:47:02,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88899081] [2024-10-16 14:47:02,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:02,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:47:02,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:47:02,245 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:47:02,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-16 14:47:02,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:02,387 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-16 14:47:02,389 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:47:02,444 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-10-16 14:47:02,445 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 14:47:02,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88899081] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 14:47:02,446 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 14:47:02,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2024-10-16 14:47:02,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403906254] [2024-10-16 14:47:02,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 14:47:02,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 14:47:02,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:47:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 14:47:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-10-16 14:47:02,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:02,450 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:47:02,450 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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) [2024-10-16 14:47:02,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:02,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:02,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:02,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:02,570 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-10-16 14:47:02,754 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:47:02,755 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-10-16 14:47:02,756 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 14:47:02,756 INFO L85 PathProgramCache]: Analyzing trace with hash -497237765, now seen corresponding path program 1 times [2024-10-16 14:47:02,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 14:47:02,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532640229] [2024-10-16 14:47:02,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:02,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 14:47:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-16 14:47:02,877 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 14:47:02,877 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532640229] [2024-10-16 14:47:02,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532640229] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 14:47:02,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116797559] [2024-10-16 14:47:02,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 14:47:02,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:47:02,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 14:47:02,880 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-16 14:47:02,881 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-16 14:47:03,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 14:47:03,024 INFO L255 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 14:47:03,026 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 14:47:03,159 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 14:47:03,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 14:47:03,312 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 14:47:03,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116797559] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 14:47:03,313 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 14:47:03,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 14 [2024-10-16 14:47:03,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898730697] [2024-10-16 14:47:03,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 14:47:03,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-16 14:47:03,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 14:47:03,315 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-16 14:47:03,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-10-16 14:47:03,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:03,315 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 14:47:03,315 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 8.214285714285714) internal successors, (115), 14 states have internal predecessors, (115), 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) [2024-10-16 14:47:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 14:47:03,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 14:47:05,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 14:47:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:47:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 14:47:05,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-16 14:47:05,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 14:47:05,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 14:47:05,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 14:47:05,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 14:47:05,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-16 14:47:05,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 14:47:05,650 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-10-16 14:47:05,652 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 14:47:05,652 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 14:47:05,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:47:05 BasicIcfg [2024-10-16 14:47:05,656 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 14:47:05,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 14:47:05,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 14:47:05,657 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 14:47:05,657 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:46:59" (3/4) ... [2024-10-16 14:47:05,659 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 14:47:05,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 14:47:05,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 14:47:05,662 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-16 14:47:05,670 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 188 nodes and edges [2024-10-16 14:47:05,670 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 29 nodes and edges [2024-10-16 14:47:05,671 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-16 14:47:05,671 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 14:47:05,768 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 14:47:05,768 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 14:47:05,768 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 14:47:05,769 INFO L158 Benchmark]: Toolchain (without parser) took 7910.49ms. Allocated memory was 60.8MB in the beginning and 163.6MB in the end (delta: 102.8MB). Free memory was 38.1MB in the beginning and 128.8MB in the end (delta: -90.7MB). Peak memory consumption was 103.3MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,769 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 14:47:05,769 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.40ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 23.6MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,770 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.05ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 23.5MB in the beginning and 70.3MB in the end (delta: -46.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,770 INFO L158 Benchmark]: Boogie Preprocessor took 54.72ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,770 INFO L158 Benchmark]: RCFGBuilder took 1036.33ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.5MB in the end (delta: 25.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,771 INFO L158 Benchmark]: TraceAbstraction took 6309.99ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 41.3MB in the beginning and 46.7MB in the end (delta: -5.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,771 INFO L158 Benchmark]: Witness Printer took 111.73ms. Allocated memory is still 163.6MB. Free memory was 46.7MB in the beginning and 128.8MB in the end (delta: -82.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. [2024-10-16 14:47:05,773 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 60.8MB. Free memory was 37.2MB in the beginning and 37.1MB in the end (delta: 68.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.40ms. Allocated memory is still 60.8MB. Free memory was 38.0MB in the beginning and 23.6MB in the end (delta: 14.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.05ms. Allocated memory was 60.8MB in the beginning and 92.3MB in the end (delta: 31.5MB). Free memory was 23.5MB in the beginning and 70.3MB in the end (delta: -46.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 54.72ms. Allocated memory is still 92.3MB. Free memory was 69.9MB in the beginning and 67.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1036.33ms. Allocated memory is still 92.3MB. Free memory was 67.8MB in the beginning and 42.5MB in the end (delta: 25.3MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. * TraceAbstraction took 6309.99ms. Allocated memory was 92.3MB in the beginning and 163.6MB in the end (delta: 71.3MB). Free memory was 41.3MB in the beginning and 46.7MB in the end (delta: -5.4MB). Peak memory consumption was 66.0MB. Max. memory is 16.1GB. * Witness Printer took 111.73ms. Allocated memory is still 163.6MB. Free memory was 46.7MB in the beginning and 128.8MB in the end (delta: -82.1MB). Peak memory consumption was 8.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30572, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 2088, dependent conditional: 2078, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 854, dependent conditional: 834, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1348, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 1025, dependent conditional: 439, dependent unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29338, independent: 27115, independent conditional: 0, independent unconditional: 27115, dependent: 835, dependent conditional: 111, dependent unconditional: 724, unknown: 1388, unknown conditional: 9, unknown unconditional: 1379] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27287, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 854, dependent conditional: 834, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1348, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 1025, dependent conditional: 439, dependent unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29338, independent: 27115, independent conditional: 0, independent unconditional: 27115, dependent: 835, dependent conditional: 111, dependent unconditional: 724, unknown: 1388, unknown conditional: 9, unknown unconditional: 1379] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27287 ], Independence queries for same thread: 1875, Persistent sets #1 benchmarks: Persistent set computation time: 1.1s, Number of persistent set computation: 1985, Number of trivial persistent sets: 1450, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1921, independent: 1911, independent conditional: 0, independent unconditional: 1911, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30572, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 2088, dependent conditional: 2078, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 28697, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 213, dependent conditional: 203, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 854, dependent conditional: 834, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1348, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 1025, dependent conditional: 439, dependent unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29338, independent: 27115, independent conditional: 0, independent unconditional: 27115, dependent: 835, dependent conditional: 111, dependent unconditional: 724, unknown: 1388, unknown conditional: 9, unknown unconditional: 1379] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27287, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 26573, independent unconditional: 1911, dependent: 854, dependent conditional: 834, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29338, independent: 28484, independent conditional: 0, independent unconditional: 28484, dependent: 854, dependent conditional: 120, dependent unconditional: 734, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1388, independent: 1369, independent conditional: 0, independent unconditional: 1369, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1388, independent: 1364, independent conditional: 0, independent unconditional: 1364, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 9, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1348, independent: 323, independent conditional: 0, independent unconditional: 323, dependent: 1025, dependent conditional: 439, dependent unconditional: 587, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 29338, independent: 27115, independent conditional: 0, independent unconditional: 27115, dependent: 835, dependent conditional: 111, dependent unconditional: 724, unknown: 1388, unknown conditional: 9, unknown unconditional: 1379] , Statistics on independence cache: Total cache size (in pairs): 1388, Positive cache size: 1369, Positive conditional cache size: 0, Positive unconditional cache size: 1369, Negative cache size: 19, Negative conditional cache size: 9, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 27287 ], Independence queries for same thread: 1875 - PositiveResult [Line: 156]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 76 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 32, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 403 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 448 ConstructedInterpolants, 0 QuantifiedInterpolants, 1261 SizeOfPredicates, 8 NumberOfNonLiveVariables, 909 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 143/149 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: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 14:47:05,808 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-10-16 14:47:06,007 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...