This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m [2024-10-16 10:59:23,248 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-16 10:59:23,337 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf [2024-10-16 10:59:23,342 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-16 10:59:23,343 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-16 10:59:23,376 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-16 10:59:23,377 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-16 10:59:23,377 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-16 10:59:23,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-16 10:59:23,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-16 10:59:23,378 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-16 10:59:23,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-16 10:59:23,379 INFO L153 SettingsManager]: * Use SBE=true [2024-10-16 10:59:23,381 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-16 10:59:23,381 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-16 10:59:23,381 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-16 10:59:23,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-16 10:59:23,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-16 10:59:23,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-16 10:59:23,382 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-16 10:59:23,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-16 10:59:23,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-16 10:59:23,388 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-16 10:59:23,388 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-16 10:59:23,388 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-16 10:59:23,388 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-16 10:59:23,389 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-16 10:59:23,389 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-16 10:59:23,389 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-16 10:59:23,389 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-16 10:59:23,390 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 10:59:23,390 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-16 10:59:23,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-16 10:59:23,390 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2024-10-16 10:59:23,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-16 10:59:23,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-16 10:59:23,393 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-10-16 10:59:23,393 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-16 10:59:23,393 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-16 10:59:23,394 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-10-16 10:59:23,394 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-10-16 10:59:23,395 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 -> 0d8fc97f7c37032d6079f8a24b87bc520ff0a9c17c3894514011566166a643e8 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 -> GENERATOR_WITH_CONTEXT [2024-10-16 10:59:23,697 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-16 10:59:23,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-16 10:59:23,726 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-16 10:59:23,727 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-16 10:59:23,728 INFO L274 PluginConnector]: CDTParser initialized [2024-10-16 10:59:23,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-10-16 10:59:25,408 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-16 10:59:25,632 INFO L384 CDTParser]: Found 1 translation units. [2024-10-16 10:59:25,632 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-10-16 10:59:25,643 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b35576834/e61840dcae244aac943b7625bed4612b/FLAG556485180 [2024-10-16 10:59:25,660 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b35576834/e61840dcae244aac943b7625bed4612b [2024-10-16 10:59:25,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-16 10:59:25,665 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-16 10:59:25,667 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-16 10:59:25,669 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-16 10:59:25,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-16 10:59:25,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:59:25" (1/1) ... [2024-10-16 10:59:25,677 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a0d1119 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:25, skipping insertion in model container [2024-10-16 10:59:25,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:59:25" (1/1) ... [2024-10-16 10:59:25,706 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-16 10:59:25,955 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/parallel-min-max-1.wvr.c[3096,3109] [2024-10-16 10:59:25,969 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 10:59:25,981 INFO L200 MainTranslator]: Completed pre-run [2024-10-16 10:59:26,010 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/parallel-min-max-1.wvr.c[3096,3109] [2024-10-16 10:59:26,014 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-16 10:59:26,042 INFO L204 MainTranslator]: Completed translation [2024-10-16 10:59:26,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26 WrapperNode [2024-10-16 10:59:26,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-16 10:59:26,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-16 10:59:26,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-16 10:59:26,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-16 10:59:26,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,060 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,088 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2024-10-16 10:59:26,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-16 10:59:26,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-16 10:59:26,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-16 10:59:26,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-16 10:59:26,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,109 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,113 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,124 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,137 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,138 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,140 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-16 10:59:26,141 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-16 10:59:26,141 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-16 10:59:26,141 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-16 10:59:26,146 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (1/1) ... [2024-10-16 10:59:26,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-10-16 10:59:26,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:59:26,185 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 10:59:26,189 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 10:59:26,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-16 10:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-10-16 10:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-10-16 10:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-10-16 10:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-10-16 10:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-10-16 10:59:26,244 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-10-16 10:59:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-10-16 10:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-10-16 10:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-10-16 10:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-10-16 10:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-10-16 10:59:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-16 10:59:26,245 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-16 10:59:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-10-16 10:59:26,247 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 10:59:26,363 INFO L238 CfgBuilder]: Building ICFG [2024-10-16 10:59:26,366 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-16 10:59:26,740 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-10-16 10:59:26,744 INFO L287 CfgBuilder]: Performing block encoding [2024-10-16 10:59:26,999 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-16 10:59:26,999 INFO L314 CfgBuilder]: Removed 3 assume(true) statements. [2024-10-16 10:59:26,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:59:26 BoogieIcfgContainer [2024-10-16 10:59:27,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-16 10:59:27,002 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-16 10:59:27,002 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-16 10:59:27,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-16 10:59:27,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:59:25" (1/3) ... [2024-10-16 10:59:27,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c613369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:59:27, skipping insertion in model container [2024-10-16 10:59:27,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:59:26" (2/3) ... [2024-10-16 10:59:27,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c613369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:59:27, skipping insertion in model container [2024-10-16 10:59:27,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:59:26" (3/3) ... [2024-10-16 10:59:27,008 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2024-10-16 10:59:27,025 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-16 10:59:27,026 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-10-16 10:59:27,026 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-10-16 10:59:27,093 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-10-16 10:59:27,136 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-16 10:59:27,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-10-16 10:59:27,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:59:27,139 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 10:59:27,141 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 10:59:27,234 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-10-16 10:59:27,253 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:59:27,255 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-10-16 10:59:27,262 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;@3631475b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-10-16 10:59:27,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-16 10:59:28,287 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 10:59:28,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:59:28,290 INFO L85 PathProgramCache]: Analyzing trace with hash 222316169, now seen corresponding path program 1 times [2024-10-16 10:59:28,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:59:28,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112987363] [2024-10-16 10:59:28,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:28,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:59:28,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:59:28,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [112987363] [2024-10-16 10:59:28,797 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [112987363] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:59:28,797 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:59:28,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-16 10:59:28,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897967252] [2024-10-16 10:59:28,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:59:28,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-16 10:59:28,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:59:28,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-16 10:59:28,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-16 10:59:28,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:28,837 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:59:28,838 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.25) internal successors, (29), 3 states have internal predecessors, (29), 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 10:59:28,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:28,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:28,944 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-16 10:59:28,944 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 10:59:28,945 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:59:28,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1582895951, now seen corresponding path program 1 times [2024-10-16 10:59:28,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:59:28,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [935134910] [2024-10-16 10:59:28,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:28,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:29,182 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-10-16 10:59:29,183 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:59:29,183 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [935134910] [2024-10-16 10:59:29,183 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [935134910] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:59:29,184 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-16 10:59:29,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-16 10:59:29,184 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481189502] [2024-10-16 10:59:29,185 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:59:29,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 10:59:29,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:59:29,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 10:59:29,190 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 10:59:29,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:29,191 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:59:29,191 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 2 states have internal predecessors, (32), 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 10:59:29,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:29,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:29,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:29,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:29,274 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-16 10:59:29,274 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 10:59:29,275 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:59:29,276 INFO L85 PathProgramCache]: Analyzing trace with hash 301397999, now seen corresponding path program 1 times [2024-10-16 10:59:29,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:59:29,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240354545] [2024-10-16 10:59:29,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:29,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:29,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:29,566 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:59:29,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:59:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240354545] [2024-10-16 10:59:29,567 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240354545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 10:59:29,567 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481162962] [2024-10-16 10:59:29,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:29,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 10:59:29,567 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:59:29,579 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 10:59:29,581 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 10:59:29,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:29,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-10-16 10:59:29,715 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 10:59:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:59:29,875 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-16 10:59:29,971 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:59:29,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481162962] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-16 10:59:29,972 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-16 10:59:29,972 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-10-16 10:59:29,972 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189884278] [2024-10-16 10:59:29,972 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-16 10:59:29,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-10-16 10:59:29,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:59:29,974 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-10-16 10:59:29,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2024-10-16 10:59:29,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:29,976 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:59:29,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.571428571428571) internal successors, (78), 13 states have internal predecessors, (78), 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 10:59:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:29,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:30,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:30,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-16 10:59:30,327 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 10:59:30,328 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 10:59:30,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-16 10:59:30,329 INFO L85 PathProgramCache]: Analyzing trace with hash -1415031695, now seen corresponding path program 2 times [2024-10-16 10:59:30,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-16 10:59:30,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831348480] [2024-10-16 10:59:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:30,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-16 10:59:30,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-16 10:59:30,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831348480] [2024-10-16 10:59:30,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831348480] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-16 10:59:30,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588034348] [2024-10-16 10:59:30,574 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-16 10:59:30,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-16 10:59:30,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-10-16 10:59:30,577 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 10:59:30,578 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 10:59:30,670 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-16 10:59:30,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-16 10:59:30,672 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-16 10:59:30,674 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-16 10:59:30,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-10-16 10:59:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-16 10:59:30,773 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-16 10:59:30,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588034348] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-16 10:59:30,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-16 10:59:30,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-10-16 10:59:30,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627005691] [2024-10-16 10:59:30,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-16 10:59:30,775 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-16 10:59:30,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-16 10:59:30,775 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-16 10:59:30,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2024-10-16 10:59:30,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:30,776 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:59:30,776 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 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 10:59:30,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:30,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:30,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:30,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:31,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:31,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-16 10:59:31,877 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 10:59:31,878 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 10:59:32,152 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2024-10-16 10:59:32,209 INFO L85 PathProgramCache]: Analyzing trace with hash 1098608918, now seen corresponding path program 1 times [2024-10-16 10:59:32,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:32,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:32,319 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 10:59:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-16 10:59:32,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-16 10:59:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-16 10:59:32,408 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-16 10:59:32,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-16 10:59:32,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-16 10:59:32,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-16 10:59:32,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:32,411 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-10-16 10:59:32,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 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 10:59:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:32,411 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-10-16 10:59:32,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-10-16 10:59:33,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-16 10:59:33,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-16 10:59:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-16 10:59:33,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-16 10:59:33,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-10-16 10:59:33,234 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-10-16 10:59:33,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-10-16 10:59:33,235 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-10-16 10:59:33,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-10-16 10:59:33,243 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-10-16 10:59:33,245 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-10-16 10:59:33,246 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-16 10:59:33,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:59:33 BasicIcfg [2024-10-16 10:59:33,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-16 10:59:33,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-16 10:59:33,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-16 10:59:33,250 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-16 10:59:33,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:59:26" (3/4) ... [2024-10-16 10:59:33,252 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-16 10:59:33,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-10-16 10:59:33,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-10-16 10:59:33,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-10-16 10:59:33,261 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 115 nodes and edges [2024-10-16 10:59:33,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-10-16 10:59:33,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-10-16 10:59:33,262 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-10-16 10:59:33,365 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml [2024-10-16 10:59:33,368 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml [2024-10-16 10:59:33,368 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-16 10:59:33,369 INFO L158 Benchmark]: Toolchain (without parser) took 7703.71ms. Allocated memory was 62.9MB in the beginning and 157.3MB in the end (delta: 94.4MB). Free memory was 28.0MB in the beginning and 115.4MB in the end (delta: -87.4MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,369 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-16 10:59:33,370 INFO L158 Benchmark]: CACSL2BoogieTranslator took 375.28ms. Allocated memory is still 62.9MB. Free memory was 27.7MB in the beginning and 38.0MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,370 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.14ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,370 INFO L158 Benchmark]: Boogie Preprocessor took 47.85ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 34.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,370 INFO L158 Benchmark]: RCFGBuilder took 859.15ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 60.1MB in the end (delta: -25.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,371 INFO L158 Benchmark]: TraceAbstraction took 6246.88ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 58.5MB in the beginning and 120.6MB in the end (delta: -62.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,371 INFO L158 Benchmark]: Witness Printer took 119.08ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 115.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-16 10:59:33,373 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 46.1MB. Free memory was 27.1MB in the beginning and 27.1MB in the end (delta: 52.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 375.28ms. Allocated memory is still 62.9MB. Free memory was 27.7MB in the beginning and 38.0MB in the end (delta: -10.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.14ms. Allocated memory is still 62.9MB. Free memory was 38.0MB in the beginning and 36.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.85ms. Allocated memory is still 62.9MB. Free memory was 36.0MB in the beginning and 34.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 859.15ms. Allocated memory was 62.9MB in the beginning and 88.1MB in the end (delta: 25.2MB). Free memory was 34.2MB in the beginning and 60.1MB in the end (delta: -25.9MB). Peak memory consumption was 27.1MB. Max. memory is 16.1GB. * TraceAbstraction took 6246.88ms. Allocated memory was 88.1MB in the beginning and 157.3MB in the end (delta: 69.2MB). Free memory was 58.5MB in the beginning and 120.6MB in the end (delta: -62.1MB). Peak memory consumption was 82.1MB. Max. memory is 16.1GB. * Witness Printer took 119.08ms. Allocated memory is still 157.3MB. Free memory was 120.6MB in the beginning and 115.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 6374, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 656, dependent conditional: 640, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 221, dependent conditional: 189, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 694, independent: 674, independent conditional: 8, independent unconditional: 666, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 694, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2100, independent: 651, independent conditional: 528, independent unconditional: 123, dependent: 1449, dependent conditional: 204, dependent unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5939, independent: 5044, independent conditional: 151, independent unconditional: 4893, dependent: 201, dependent conditional: 9, dependent unconditional: 192, unknown: 694, unknown conditional: 12, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 694, Positive cache size: 674, Positive conditional cache size: 8, Positive unconditional cache size: 666, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4991, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 221, dependent conditional: 189, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 694, independent: 674, independent conditional: 8, independent unconditional: 666, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 694, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2100, independent: 651, independent conditional: 528, independent unconditional: 123, dependent: 1449, dependent conditional: 204, dependent unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5939, independent: 5044, independent conditional: 151, independent unconditional: 4893, dependent: 201, dependent conditional: 9, dependent unconditional: 192, unknown: 694, unknown conditional: 12, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 694, Positive cache size: 674, Positive conditional cache size: 8, Positive unconditional cache size: 666, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4991 ], Independence queries for same thread: 634, Persistent sets #1 benchmarks: Persistent set computation time: 1.5s, Number of persistent set computation: 397, Number of trivial persistent sets: 318, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 760, independent: 744, independent conditional: 0, independent unconditional: 744, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6374, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 656, dependent conditional: 640, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5740, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 22, dependent conditional: 6, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 221, dependent conditional: 189, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 694, independent: 674, independent conditional: 8, independent unconditional: 666, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 694, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2100, independent: 651, independent conditional: 528, independent unconditional: 123, dependent: 1449, dependent conditional: 204, dependent unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5939, independent: 5044, independent conditional: 151, independent unconditional: 4893, dependent: 201, dependent conditional: 9, dependent unconditional: 192, unknown: 694, unknown conditional: 12, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 694, Positive cache size: 674, Positive conditional cache size: 8, Positive unconditional cache size: 666, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4991, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 4974, independent unconditional: 744, dependent: 221, dependent conditional: 189, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5939, independent: 5718, independent conditional: 159, independent unconditional: 5559, dependent: 221, dependent conditional: 13, dependent unconditional: 208, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 694, independent: 674, independent conditional: 8, independent unconditional: 666, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 694, independent: 664, independent conditional: 0, independent unconditional: 664, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 10, independent conditional: 8, independent unconditional: 2, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2100, independent: 651, independent conditional: 528, independent unconditional: 123, dependent: 1449, dependent conditional: 204, dependent unconditional: 1245, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 5939, independent: 5044, independent conditional: 151, independent unconditional: 4893, dependent: 201, dependent conditional: 9, dependent unconditional: 192, unknown: 694, unknown conditional: 12, unknown unconditional: 682] , Statistics on independence cache: Total cache size (in pairs): 694, Positive cache size: 674, Positive conditional cache size: 8, Positive unconditional cache size: 666, Negative cache size: 20, Negative conditional cache size: 4, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4991 ], Independence queries for same thread: 634 - PositiveResult [Line: 115]: 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, 58 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.1s, 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: 23, 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, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 210 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 239 ConstructedInterpolants, 0 QuantifiedInterpolants, 890 SizeOfPredicates, 8 NumberOfNonLiveVariables, 372 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 35/46 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: 0.5s, ConditionalCommutativityCheckTime: 0.5s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 1, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-10-16 10:59:33,408 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-10-16 10:59:33,604 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...