./Ultimate.py --spec ../sv-benchmarks/c/properties/valid-memsafety.prp --file ../sv-benchmarks/c/pthread-wmm/safe035_power.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterMemDerefMemtrack.xml -i ../sv-benchmarks/c/pthread-wmm/safe035_power.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-13 08:50:05,534 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 08:50:05,628 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-DerefFreeMemtrack-32bit-GemCutter_Default.epf [2024-11-13 08:50:05,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 08:50:05,638 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 08:50:05,670 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 08:50:05,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 08:50:05,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 08:50:05,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 08:50:05,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-13 08:50:05,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 08:50:05,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 08:50:05,676 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 08:50:05,677 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 08:50:05,678 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 08:50:05,679 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 08:50:05,679 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 08:50:05,679 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 08:50:05,680 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 08:50:05,680 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 08:50:05,680 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 08:50:05,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 08:50:05,684 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 08:50:05,685 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 08:50:05,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 08:50:05,685 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 08:50:05,685 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 08:50:05,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 08:50:05,686 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 08:50:05,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-13 08:50:05,686 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-13 08:50:05,686 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 08:50:05,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 08:50:05,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 08:50:05,687 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 08:50:05,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 08:50:05,689 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-13 08:50:05,690 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-13 08:50:05,690 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-13 08:50:05,690 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-13 08:50:05,690 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-13 08:50:05,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6415bffc70cf05f8f6460106962f2f9c59b321fd2fc94a45894cc3c1f3d85b66 [2024-11-13 08:50:05,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 08:50:05,985 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 08:50:05,988 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 08:50:05,990 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 08:50:05,990 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 08:50:05,991 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-13 08:50:07,526 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 08:50:07,807 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 08:50:07,809 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/pthread-wmm/safe035_power.i [2024-11-13 08:50:07,836 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b9741f22/2feea91a721a4338be28883e641f3c85/FLAGa22fbde2d [2024-11-13 08:50:07,853 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9b9741f22/2feea91a721a4338be28883e641f3c85 [2024-11-13 08:50:07,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 08:50:07,857 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 08:50:07,859 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 08:50:07,860 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 08:50:07,865 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 08:50:07,866 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:07" (1/1) ... [2024-11-13 08:50:07,867 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@156f51a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:07, skipping insertion in model container [2024-11-13 08:50:07,867 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:50:07" (1/1) ... [2024-11-13 08:50:07,927 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 08:50:08,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 08:50:08,389 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 08:50:08,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 08:50:08,560 INFO L204 MainTranslator]: Completed translation [2024-11-13 08:50:08,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08 WrapperNode [2024-11-13 08:50:08,561 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 08:50:08,562 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 08:50:08,563 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 08:50:08,563 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 08:50:08,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,622 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,657 INFO L138 Inliner]: procedures = 175, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 169 [2024-11-13 08:50:08,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 08:50:08,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 08:50:08,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 08:50:08,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 08:50:08,670 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,674 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,675 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,692 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,699 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 08:50:08,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 08:50:08,715 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 08:50:08,715 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 08:50:08,718 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (1/1) ... [2024-11-13 08:50:08,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-13 08:50:08,738 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 08:50:08,759 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) [2024-11-13 08:50:08,766 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 [2024-11-13 08:50:08,818 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-13 08:50:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 08:50:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-13 08:50:08,819 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-13 08:50:08,819 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-13 08:50:08,820 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-13 08:50:08,820 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-13 08:50:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-13 08:50:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 08:50:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-13 08:50:08,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 08:50:08,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 08:50:08,823 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-13 08:50:08,994 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 08:50:08,998 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 08:50:09,469 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-13 08:50:09,470 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 08:50:09,817 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 08:50:09,817 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-13 08:50:09,817 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:09 BoogieIcfgContainer [2024-11-13 08:50:09,818 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 08:50:09,821 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-13 08:50:09,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-13 08:50:09,825 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-13 08:50:09,826 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.11 08:50:07" (1/3) ... [2024-11-13 08:50:09,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375ca60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 08:50:09, skipping insertion in model container [2024-11-13 08:50:09,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:50:08" (2/3) ... [2024-11-13 08:50:09,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@375ca60b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.11 08:50:09, skipping insertion in model container [2024-11-13 08:50:09,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:50:09" (3/3) ... [2024-11-13 08:50:09,830 INFO L112 eAbstractionObserver]: Analyzing ICFG safe035_power.i [2024-11-13 08:50:09,846 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-13 08:50:09,846 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-11-13 08:50:09,846 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-13 08:50:09,914 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-13 08:50:09,972 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 08:50:09,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-13 08:50:09,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-11-13 08:50:09,975 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) [2024-11-13 08:50:09,977 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 [2024-11-13 08:50:10,011 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 08:50:10,024 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2024-11-13 08:50:10,032 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=None, 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;@1aec050f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 08:50:10,033 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-13 08:50:47,745 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONMEMORY_LEAK === [P2Err0ASSERT_VIOLATIONMEMORY_LEAK] === [2024-11-13 08:50:47,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 08:50:47,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1124423876, now seen corresponding path program 1 times [2024-11-13 08:50:47,758 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 08:50:47,758 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379536314] [2024-11-13 08:50:47,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 08:50:47,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 08:50:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 08:50:51,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 08:50:51,045 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 08:50:51,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379536314] [2024-11-13 08:50:51,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379536314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 08:50:51,047 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 08:50:51,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-13 08:50:51,049 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445020977] [2024-11-13 08:50:51,050 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 08:50:51,054 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-13 08:50:51,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 08:50:51,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-13 08:50:51,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-13 08:50:51,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 08:50:51,089 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 08:50:51,090 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 6 states have internal predecessors, (22), 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) [2024-11-13 08:50:51,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 08:53:37,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 08:53:37,256 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONMEMORY_LEAK (0 of 1 remaining) [2024-11-13 08:53:37,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-13 08:53:37,270 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-13 08:53:37,272 INFO L317 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE (1/2) [2024-11-13 08:53:37,278 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 08:53:37,281 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-13 08:53:37,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-13 08:53:37,286 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=None, 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;@1aec050f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-13 08:53:37,286 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-13 08:57:40,325 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 08:57:40,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 08:57:40,326 INFO L85 PathProgramCache]: Analyzing trace with hash -1292564532, now seen corresponding path program 1 times [2024-11-13 08:57:40,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 08:57:40,327 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066580662] [2024-11-13 08:57:40,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 08:57:40,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 08:57:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 08:57:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 08:57:40,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 08:57:40,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066580662] [2024-11-13 08:57:40,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066580662] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 08:57:40,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 08:57:40,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-13 08:57:40,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725557830] [2024-11-13 08:57:40,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 08:57:40,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-13 08:57:40,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 08:57:40,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-13 08:57:40,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-13 08:57:40,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 08:57:40,377 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 08:57:40,378 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 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) [2024-11-13 08:57:40,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 08:57:40,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 08:57:40,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-13 08:57:40,415 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 08:57:40,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 08:57:40,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1292563015, now seen corresponding path program 1 times [2024-11-13 08:57:40,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 08:57:40,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485121277] [2024-11-13 08:57:40,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 08:57:40,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 08:57:40,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 08:57:40,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 08:57:40,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 08:57:40,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485121277] [2024-11-13 08:57:40,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485121277] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 08:57:40,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 08:57:40,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-13 08:57:40,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382910577] [2024-11-13 08:57:40,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 08:57:40,555 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-13 08:57:40,555 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 08:57:40,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-13 08:57:40,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-13 08:57:40,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 08:57:40,557 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 08:57:40,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-13 08:57:40,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 08:57:40,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-13 09:02:21,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-13 09:02:21,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-13 09:02:21,533 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-13 09:02:21,533 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr1ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-11-13 09:02:21,533 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 09:02:21,533 INFO L85 PathProgramCache]: Analyzing trace with hash 130451695, now seen corresponding path program 1 times [2024-11-13 09:02:21,533 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 09:02:21,534 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119543858] [2024-11-13 09:02:21,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 09:02:21,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 09:02:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 09:02:22,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 09:02:22,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-13 09:02:22,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119543858] [2024-11-13 09:02:22,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119543858] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-13 09:02:22,802 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-13 09:02:22,802 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-13 09:02:22,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110656335] [2024-11-13 09:02:22,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-13 09:02:22,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-13 09:02:22,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-13 09:02:22,804 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-13 09:02:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-13 09:02:22,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-13 09:02:22,805 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-13 09:02:22,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.125) internal successors, (33), 7 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 09:02:22,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-11-13 09:02:22,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-11-13 09:02:22,807 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.