/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.commutativity.condition.synthesis NECESSARY_AND_SUFFICIENT --traceabstraction.refinement.strategy.for.commutativity.condition.synthesis CAMEL -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-wip.dk.conditional-comm-158c277 [2024-11-14 19:50:11,702 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-14 19:50:11,767 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2024-11-14 19:50:11,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-14 19:50:11,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-14 19:50:11,792 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-14 19:50:11,796 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-14 19:50:11,796 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-14 19:50:11,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-14 19:50:11,796 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-14 19:50:11,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Use SBE=true [2024-11-14 19:50:11,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-14 19:50:11,797 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-14 19:50:11,798 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 19:50:11,798 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-14 19:50:11,798 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-14 19:50:11,799 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-14 19:50:11,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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: Commutativity condition synthesis -> NECESSARY_AND_SUFFICIENT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Refinement strategy for commutativity condition synthesis -> CAMEL [2024-11-14 19:50:12,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-14 19:50:12,085 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-14 19:50:12,087 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-14 19:50:12,088 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-14 19:50:12,090 INFO L274 PluginConnector]: CDTParser initialized [2024-11-14 19:50:12,091 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-14 19:50:13,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-14 19:50:13,849 INFO L384 CDTParser]: Found 1 translation units. [2024-11-14 19:50:13,849 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i [2024-11-14 19:50:13,869 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5e83658b4/dca5f69a0c474c1ca402a9b4ad43cf28/FLAG98f0732a6 [2024-11-14 19:50:14,114 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/5e83658b4/dca5f69a0c474c1ca402a9b4ad43cf28 [2024-11-14 19:50:14,116 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-14 19:50:14,117 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-11-14 19:50:14,118 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-14 19:50:14,119 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-14 19:50:14,121 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-14 19:50:14,122 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b384623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14, skipping insertion in model container [2024-11-14 19:50:14,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,171 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-14 19:50:14,576 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2024-11-14 19:50:14,612 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 19:50:14,634 INFO L200 MainTranslator]: Completed pre-run [2024-11-14 19:50:14,686 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148] [2024-11-14 19:50:14,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-14 19:50:14,798 INFO L204 MainTranslator]: Completed translation [2024-11-14 19:50:14,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14 WrapperNode [2024-11-14 19:50:14,799 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-14 19:50:14,801 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-14 19:50:14,801 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-14 19:50:14,801 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-14 19:50:14,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,826 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,865 INFO L138 Inliner]: procedures = 378, calls = 91, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 262 [2024-11-14 19:50:14,865 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-14 19:50:14,866 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-14 19:50:14,866 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-14 19:50:14,866 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-14 19:50:14,878 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,878 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,885 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,885 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,902 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,909 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,913 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,920 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-14 19:50:14,921 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-14 19:50:14,921 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-14 19:50:14,921 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-14 19:50:14,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (1/1) ... [2024-11-14 19:50:14,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-14 19:50:14,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 19:50:14,955 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-14 19:50:14,969 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-14 19:50:14,989 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-11-14 19:50:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-14 19:50:14,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-14 19:50:14,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-14 19:50:14,991 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-14 19:50:15,125 INFO L238 CfgBuilder]: Building ICFG [2024-11-14 19:50:15,127 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-14 19:50:15,517 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-14 19:50:15,520 INFO L287 CfgBuilder]: Performing block encoding [2024-11-14 19:50:15,577 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-14 19:50:15,577 INFO L316 CfgBuilder]: Removed 23 assume(true) statements. [2024-11-14 19:50:15,578 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:50:15 BoogieIcfgContainer [2024-11-14 19:50:15,578 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-14 19:50:15,580 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-14 19:50:15,580 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-14 19:50:15,585 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-14 19:50:15,585 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.11 07:50:14" (1/3) ... [2024-11-14 19:50:15,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667eab3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:50:15, skipping insertion in model container [2024-11-14 19:50:15,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.11 07:50:14" (2/3) ... [2024-11-14 19:50:15,586 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@667eab3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.11 07:50:15, skipping insertion in model container [2024-11-14 19:50:15,586 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.11 07:50:15" (3/3) ... [2024-11-14 19:50:15,587 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i [2024-11-14 19:50:15,603 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-14 19:50:15,606 INFO L154 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_94-alloc_region_racing.i that has 2 procedures, 241 locations, 1 initial locations, 13 loop locations, and 2 error locations. [2024-11-14 19:50:15,606 INFO L492 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-14 19:50:15,704 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-11-14 19:50:15,769 INFO L123 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 19:50:15,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-14 19:50:15,769 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 [2024-11-14 19:50:15,772 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-14 19:50:15,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-14 19:50:15,868 INFO L185 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-14 19:50:15,881 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2024-11-14 19:50:15,889 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;@7c328c83, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-14 19:50:15,889 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-14 19:50:16,727 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 19:50:16,734 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:50:16,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1519702230, now seen corresponding path program 1 times [2024-11-14 19:50:16,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:50:16,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798997166] [2024-11-14 19:50:16,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:50:16,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:50:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-14 19:50:17,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-14 19:50:17,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-14 19:50:17,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798997166] [2024-11-14 19:50:17,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798997166] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-14 19:50:17,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-14 19:50:17,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-14 19:50:17,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975546690] [2024-11-14 19:50:17,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-14 19:50:17,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-14 19:50:17,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-14 19:50:17,124 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-14 19:50:17,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-14 19:50:17,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:50:17,127 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-14 19:50:17,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 56.0) internal successors, (112), 2 states have internal predecessors, (112), 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) [2024-11-14 19:50:17,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:50:21,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-14 19:50:21,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-14 19:50:21,549 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-14 19:50:21,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-14 19:50:21,550 INFO L85 PathProgramCache]: Analyzing trace with hash 858638432, now seen corresponding path program 1 times [2024-11-14 19:50:21,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-14 19:50:21,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111297416] [2024-11-14 19:50:21,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-14 19:50:21,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-14 19:50:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 19:50:21,696 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-14 19:50:21,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-14 19:50:21,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-14 19:50:21,807 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-14 19:50:21,809 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-14 19:50:21,810 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-14 19:50:21,816 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-11-14 19:50:21,819 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2) [2024-11-14 19:50:21,901 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-14 19:50:21,901 INFO L173 ceAbstractionStarter]: Computing trace abstraction results [2024-11-14 19:50:21,925 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-11-14 19:50:21,926 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.11 07:50:21 BasicIcfg [2024-11-14 19:50:21,927 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-14 19:50:21,927 INFO L158 Benchmark]: Toolchain (without parser) took 7810.00ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 68.4MB in the beginning and 67.6MB in the end (delta: 753.4kB). Peak memory consumption was 45.5MB. Max. memory is 8.0GB. [2024-11-14 19:50:21,928 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 19:50:21,928 INFO L158 Benchmark]: CACSL2BoogieTranslator took 681.26ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 27.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2024-11-14 19:50:21,928 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.45ms. Allocated memory is still 100.7MB. Free memory was 27.4MB in the beginning and 24.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2024-11-14 19:50:21,928 INFO L158 Benchmark]: Boogie Preprocessor took 54.61ms. Allocated memory is still 100.7MB. Free memory was 24.6MB in the beginning and 22.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2024-11-14 19:50:21,928 INFO L158 Benchmark]: RCFGBuilder took 656.80ms. Allocated memory is still 100.7MB. Free memory was 22.5MB in the beginning and 41.5MB in the end (delta: -19.1MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. [2024-11-14 19:50:21,929 INFO L158 Benchmark]: TraceAbstraction took 6346.47ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. [2024-11-14 19:50:21,930 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 100.7MB. Free memory is still 52.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 681.26ms. Allocated memory is still 100.7MB. Free memory was 68.1MB in the beginning and 27.7MB in the end (delta: 40.5MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 64.45ms. Allocated memory is still 100.7MB. Free memory was 27.4MB in the beginning and 24.6MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 54.61ms. Allocated memory is still 100.7MB. Free memory was 24.6MB in the beginning and 22.5MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 656.80ms. Allocated memory is still 100.7MB. Free memory was 22.5MB in the beginning and 41.5MB in the end (delta: -19.1MB). Peak memory consumption was 9.1MB. Max. memory is 8.0GB. * TraceAbstraction took 6346.47ms. Allocated memory was 100.7MB in the beginning and 146.8MB in the end (delta: 46.1MB). Free memory was 40.5MB in the beginning and 67.6MB in the end (delta: -27.1MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30205, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 712, dependent conditional: 537, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29753, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29753, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 345, dependent conditional: 170, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 0, independent unconditional: 29493, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 0, independent unconditional: 29493, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14456, independent: 14281, independent conditional: 0, independent unconditional: 14281, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14456, independent: 14214, independent conditional: 0, independent unconditional: 14214, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4426, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 3712, dependent conditional: 0, dependent unconditional: 3712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 29838, independent: 15212, independent conditional: 0, independent unconditional: 15212, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 14456, unknown conditional: 0, unknown unconditional: 14456] , Statistics on independence cache: Total cache size (in pairs): 14456, Positive cache size: 14281, Positive conditional cache size: 0, Positive unconditional cache size: 14281, Negative cache size: 175, Negative conditional cache size: 0, Negative unconditional cache size: 175, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3090, Maximal queried relation: 1, Independence queries for same thread: 452, Persistent sets #1 benchmarks: Persistent set computation time: 4.8s, Number of persistent set computation: 2434, Number of trivial persistent sets: 2172, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26748, independent: 26573, independent conditional: 0, independent unconditional: 26573, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 30205, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 712, dependent conditional: 537, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29753, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 29753, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 260, dependent conditional: 85, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 2920, independent unconditional: 26573, dependent: 345, dependent conditional: 170, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 0, independent unconditional: 29493, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 29838, independent: 29493, independent conditional: 0, independent unconditional: 29493, dependent: 345, dependent conditional: 0, dependent unconditional: 345, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14456, independent: 14281, independent conditional: 0, independent unconditional: 14281, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14456, independent: 14214, independent conditional: 0, independent unconditional: 14214, dependent: 242, dependent conditional: 0, dependent unconditional: 242, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 242, independent: 67, independent conditional: 0, independent unconditional: 67, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4426, independent: 714, independent conditional: 0, independent unconditional: 714, dependent: 3712, dependent conditional: 0, dependent unconditional: 3712, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Protected Queries: 0 ], Cache Queries: [ total: 29838, independent: 15212, independent conditional: 0, independent unconditional: 15212, dependent: 170, dependent conditional: 0, dependent unconditional: 170, unknown: 14456, unknown conditional: 0, unknown unconditional: 14456] , Statistics on independence cache: Total cache size (in pairs): 14456, Positive cache size: 14281, Positive conditional cache size: 0, Positive unconditional cache size: 14281, Negative cache size: 175, Negative conditional cache size: 0, Negative unconditional cache size: 175, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3090, Maximal queried relation: 1, Independence queries for same thread: 452 - CounterExampleResult [Line: 1235]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1240] 0 pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [__global_lock={3:0}] [L1241-L1244] 0 struct s { int datum; struct s *next; } *A; VAL [A={4:0}, __global_lock={3:0}] [L1253] 0 pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={4:0}, A_mutex={5:0}, __global_lock={3:0}] [L1254] 0 pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1267] 0 struct s *p; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1268] 0 A = malloc(sizeof(struct s)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1269] EXPR 0 \read(*A) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}] [L1269] CALL 0 init(A,3) [L1246] 0 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={9:0}, \old(x)=3, __global_lock={3:0}, p={9:0}, x=3] [L1247] 0 p -> next = ((void *)0) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={9:0}, \old(x)=3, __global_lock={3:0}, p={9:0}, x=3] [L1269] RET 0 init(A,3) [L1270] 0 pthread_t t_ids[10000]; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, t_ids={15:0}] [L1270] 0 int i=0; VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1270] COND TRUE 0 i<10000 VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={15:0}] [L1256] 1 struct s *p = malloc(sizeof(struct s)); VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1257] CALL 1 init(p,7) [L1246] 1 p -> datum = x VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={-2:0}, \old(x)=7, __global_lock={3:0}, p={-2:0}, x=7] [L1247] 1 p -> next = ((void *)0) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(p)={-2:0}, \old(x)=7, __global_lock={3:0}, p={-2:0}, x=7] [L1257] RET 1 init(p,7) [L1259] CALL 1 insert(p, &A) [L1250] EXPR 1 \read(**list) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1250] 1 p->next = *list VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1251] 1 *list = p VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(list)={4:0}, \old(p)={-2:0}, __global_lock={3:0}, list={4:0}, p={-2:0}] [L1259] RET 1 insert(p, &A) [L1270] 0 i++ VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1262] COND FALSE 1 !(__VERIFIER_nondet_int()) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1270] COND TRUE 0 i<10000 VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1270] FCALL, FORK 0 pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0)) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={15:0}] [L1262] EXPR 1 p->datum VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(arg)={0:0}, __global_lock={3:0}, arg={0:0}, p={-2:0}] [L1262] CALL 1 __VERIFIER_assert((p->datum) == 0) [L1235] COND TRUE 1 !(cond) VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] [L1235] 1 reach_error() VAL [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 319 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 6.0s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 5.3s, 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: 2, 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, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 226 NumberOfCodeBlocks, 226 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 115 ConstructedInterpolants, 0 QuantifiedInterpolants, 115 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: CheckTime: 0.0s, ConditionCalculationTime: 0.0s, CommutingCounterexamples: 0, ConditionCalculations: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0, QuantifiedConditions: 0, FalseConditions: 0 RESULT: Ultimate proved your program to be incorrect! [2024-11-14 19:50:21,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...