/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 17:49:56,060 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 17:49:56,138 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 17:49:56,143 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 17:49:56,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 17:49:56,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 17:49:56,176 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 17:49:56,177 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 17:49:56,177 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 17:49:56,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 17:49:56,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 17:49:56,180 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 17:49:56,180 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 17:49:56,180 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 17:49:56,180 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 17:49:56,181 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 17:49:56,181 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 17:49:56,181 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 17:49:56,181 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 17:49:56,182 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 17:49:56,182 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 17:49:56,183 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 17:49:56,184 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 17:49:56,184 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 17:49:56,184 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 17:49:56,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 17:49:56,185 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 17:49:56,185 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 17:49:56,185 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 17:49:56,185 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 17:49:56,186 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 17:49:56,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 17:49:56,188 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 17:49:56,188 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 17:49:56,464 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 17:49:56,489 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 17:49:56,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 17:49:56,492 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 17:49:56,493 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 17:49:56,494 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-05-07 17:49:57,705 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 17:49:57,994 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 17:49:57,994 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i [2024-05-07 17:49:58,010 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96c99c74d/3202621aea5c436da7b1f3e3b68efa7b/FLAGae8e26b5a [2024-05-07 17:49:58,021 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/96c99c74d/3202621aea5c436da7b1f3e3b68efa7b [2024-05-07 17:49:58,023 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 17:49:58,024 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 17:49:58,025 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 17:49:58,025 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 17:49:58,029 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 17:49:58,030 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,031 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a160d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58, skipping insertion in model container [2024-05-07 17:49:58,031 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,084 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 17:49:58,345 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2024-05-07 17:49:58,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 17:49:58,383 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 17:49:58,430 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_45-escape_racing.i[30176,30189] [2024-05-07 17:49:58,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 17:49:58,480 INFO L206 MainTranslator]: Completed translation [2024-05-07 17:49:58,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58 WrapperNode [2024-05-07 17:49:58,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 17:49:58,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 17:49:58,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 17:49:58,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 17:49:58,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,519 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,610 INFO L138 Inliner]: procedures = 171, calls = 50, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-05-07 17:49:58,611 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 17:49:58,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 17:49:58,612 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 17:49:58,612 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 17:49:58,642 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,649 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,649 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,669 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,672 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,673 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,674 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,697 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 17:49:58,698 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 17:49:58,698 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 17:49:58,698 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 17:49:58,699 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (1/1) ... [2024-05-07 17:49:58,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 17:49:58,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 17:49:58,737 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) [2024-05-07 17:49:58,764 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 [2024-05-07 17:49:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 17:49:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 17:49:58,792 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-05-07 17:49:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-05-07 17:49:58,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 17:49:58,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 17:49:58,796 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 17:49:58,921 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 17:49:58,923 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 17:49:59,105 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 17:49:59,143 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 17:49:59,143 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2024-05-07 17:49:59,144 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:49:59 BoogieIcfgContainer [2024-05-07 17:49:59,144 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 17:49:59,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 17:49:59,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 17:49:59,150 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 17:49:59,150 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 05:49:58" (1/3) ... [2024-05-07 17:49:59,150 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a921bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:49:59, skipping insertion in model container [2024-05-07 17:49:59,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 05:49:58" (2/3) ... [2024-05-07 17:49:59,151 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a921bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:49:59, skipping insertion in model container [2024-05-07 17:49:59,151 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:49:59" (3/3) ... [2024-05-07 17:49:59,152 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_45-escape_racing.i [2024-05-07 17:49:59,159 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 17:49:59,167 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 17:49:59,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 17:49:59,167 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 17:49:59,213 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-05-07 17:49:59,248 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 17:49:59,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 17:49:59,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 17:49:59,249 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) [2024-05-07 17:49:59,252 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 [2024-05-07 17:49:59,302 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 17:49:59,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 17:49:59,323 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 17:49:59,331 INFO L357 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, mHoare=true, 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;@8fbbf41, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false [2024-05-07 17:49:59,331 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-05-07 17:49:59,652 INFO L349 Elim1Store]: treesize reduction 7, result has 36.4 percent of original size [2024-05-07 17:49:59,653 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 288 treesize of output 264 [2024-05-07 17:49:59,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1635311260, now seen corresponding path program 1 times [2024-05-07 17:49:59,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 17:49:59,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 17:49:59,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 17:50:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 17:50:00,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 17:50:00,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 17:50:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 17:50:00,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 17:50:00,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 17:50:00,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 17:50:00,217 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 17:50:00,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 17:50:00,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1673001649, now seen corresponding path program 1 times [2024-05-07 17:50:00,223 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 17:50:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935975062] [2024-05-07 17:50:00,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 17:50:00,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 17:50:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 17:50:00,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 17:50:00,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 17:50:00,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935975062] [2024-05-07 17:50:00,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935975062] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 17:50:00,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 17:50:00,585 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-07 17:50:00,587 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849369447] [2024-05-07 17:50:00,587 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 17:50:00,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-07 17:50:00,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 17:50:00,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-07 17:50:00,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-05-07 17:50:00,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 17:50:00,594 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 17:50:00,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.888888888888889) internal successors, (53), 9 states have internal predecessors, (53), 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) [2024-05-07 17:50:00,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 17:50:01,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 17:50:01,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 17:50:01,076 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 17:50:01,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 17:50:01,077 INFO L85 PathProgramCache]: Analyzing trace with hash -262318278, now seen corresponding path program 1 times [2024-05-07 17:50:01,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 17:50:01,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264582745] [2024-05-07 17:50:01,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 17:50:01,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 17:50:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 17:50:01,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 17:50:01,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 17:50:01,189 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264582745] [2024-05-07 17:50:01,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264582745] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 17:50:01,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 17:50:01,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 17:50:01,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616138595] [2024-05-07 17:50:01,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 17:50:01,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 17:50:01,191 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 17:50:01,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 17:50:01,192 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 17:50:01,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 17:50:01,192 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 17:50:01,192 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 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) [2024-05-07 17:50:01,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 17:50:01,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 17:50:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 17:50:01,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 17:50:01,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 17:50:01,230 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 17:50:01,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 17:50:01,231 INFO L85 PathProgramCache]: Analyzing trace with hash -344650886, now seen corresponding path program 1 times [2024-05-07 17:50:01,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 17:50:01,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381118061] [2024-05-07 17:50:01,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 17:50:01,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 17:50:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 17:50:01,270 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 17:50:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 17:50:01,321 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-05-07 17:50:01,321 INFO L363 BasicCegarLoop]: Counterexample is feasible [2024-05-07 17:50:01,322 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2024-05-07 17:50:01,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2024-05-07 17:50:01,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-07 17:50:01,333 INFO L448 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-05-07 17:50:01,337 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 17:50:01,337 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 17:50:01,381 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated [2024-05-07 17:50:01,382 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2024-05-07 17:50:01,382 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated [2024-05-07 17:50:01,382 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2024-05-07 17:50:01,383 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated [2024-05-07 17:50:01,383 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2024-05-07 17:50:01,383 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2024-05-07 17:50:01,383 WARN L1576 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated [2024-05-07 17:50:01,389 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:50:01 BasicIcfg [2024-05-07 17:50:01,389 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 17:50:01,390 INFO L158 Benchmark]: Toolchain (without parser) took 3365.89ms. Allocated memory is still 264.2MB. Free memory was 190.6MB in the beginning and 124.6MB in the end (delta: 66.1MB). Peak memory consumption was 66.6MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,390 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 264.2MB. Free memory is still 230.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 17:50:01,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.13ms. Allocated memory is still 264.2MB. Free memory was 190.5MB in the beginning and 170.2MB in the end (delta: 20.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,391 INFO L158 Benchmark]: Boogie Procedure Inliner took 128.45ms. Allocated memory is still 264.2MB. Free memory was 170.1MB in the beginning and 231.0MB in the end (delta: -60.9MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,391 INFO L158 Benchmark]: Boogie Preprocessor took 85.60ms. Allocated memory is still 264.2MB. Free memory was 231.0MB in the beginning and 228.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,391 INFO L158 Benchmark]: RCFGBuilder took 446.54ms. Allocated memory is still 264.2MB. Free memory was 228.9MB in the beginning and 211.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,392 INFO L158 Benchmark]: TraceAbstraction took 2242.57ms. Allocated memory is still 264.2MB. Free memory was 210.1MB in the beginning and 124.6MB in the end (delta: 85.5MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. [2024-05-07 17:50:01,393 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 264.2MB. Free memory is still 230.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 456.13ms. Allocated memory is still 264.2MB. Free memory was 190.5MB in the beginning and 170.2MB in the end (delta: 20.3MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 128.45ms. Allocated memory is still 264.2MB. Free memory was 170.1MB in the beginning and 231.0MB in the end (delta: -60.9MB). Peak memory consumption was 6.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 85.60ms. Allocated memory is still 264.2MB. Free memory was 231.0MB in the beginning and 228.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 446.54ms. Allocated memory is still 264.2MB. Free memory was 228.9MB in the beginning and 211.1MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 2242.57ms. Allocated memory is still 264.2MB. Free memory was 210.1MB in the beginning and 124.6MB in the end (delta: 85.5MB). Peak memory consumption was 86.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet7 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 804, independent: 735, independent conditional: 703, independent unconditional: 32, dependent: 69, dependent conditional: 68, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 743, independent: 735, independent conditional: 703, independent unconditional: 32, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 743, independent: 735, independent conditional: 703, independent unconditional: 32, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 743, independent: 735, independent conditional: 703, independent unconditional: 32, dependent: 8, dependent conditional: 7, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 756, independent: 735, independent conditional: 291, independent unconditional: 444, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 756, independent: 735, independent conditional: 97, independent unconditional: 638, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 756, independent: 735, independent conditional: 97, independent unconditional: 638, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 500, independent conditional: 89, independent unconditional: 411, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 494, independent conditional: 0, independent unconditional: 494, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 79, dependent conditional: 10, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 756, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 510, unknown conditional: 92, unknown unconditional: 418] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 500, Positive conditional cache size: 89, Positive unconditional cache size: 411, Negative cache size: 10, Negative conditional cache size: 3, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 201, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 756, independent: 735, independent conditional: 291, independent unconditional: 444, dependent: 21, dependent conditional: 11, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 756, independent: 735, independent conditional: 97, independent unconditional: 638, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 756, independent: 735, independent conditional: 97, independent unconditional: 638, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 510, independent: 500, independent conditional: 89, independent unconditional: 411, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 510, independent: 494, independent conditional: 0, independent unconditional: 494, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, independent: 6, independent conditional: 0, independent unconditional: 6, dependent: 10, dependent conditional: 3, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 92, independent: 13, independent conditional: 0, independent unconditional: 13, dependent: 79, dependent conditional: 10, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 756, independent: 235, independent conditional: 8, independent unconditional: 227, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 510, unknown conditional: 92, unknown unconditional: 418] , Statistics on independence cache: Total cache size (in pairs): 510, Positive cache size: 500, Positive conditional cache size: 89, Positive unconditional cache size: 411, Negative cache size: 10, Negative conditional cache size: 3, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 201 ], Independence queries for same thread: 61 - CounterExampleResult [Line: 691]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L696] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L697] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}] [L698] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}, mutex1={4:0}, mutex2={5:0}] [L707] 0 pthread_t id; VAL [__global_lock={3:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L708] 0 int i = 0; VAL [__global_lock={3:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L709] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, (void *) &i) VAL [__global_lock={3:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}] [L700] 1 int *p = (int *) arg; VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] EXPR 1 \read(*p) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L702] 1 (*p)++ VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] EXPR 0 \read(i) VAL [__global_lock={3:0}, arg={6:0}, arg={6:0}, i={6:0}, id={7:0}, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L711] CALL 0 __VERIFIER_assert((i) == 0) [L691] COND TRUE 0 !(cond) VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] [L691] 0 reach_error() VAL [\old(cond)=0, __global_lock={3:0}, arg={6:0}, arg={6:0}, cond=0, mutex1={4:0}, mutex2={5:0}, p={6:0}] - UnprovableResult [Line: 709]: Unable to prove that petrification did provide enough thread instances (tool internal message) Unable to prove that petrification did provide enough thread instances (tool internal message) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 133 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.4s, 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: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 172 NumberOfCodeBlocks, 172 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 250 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 0.8s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate proved your program to be incorrect! [2024-05-07 17:50:01,415 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 [2024-05-07 17:50:01,614 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...