/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 15:21:36,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 15:21:36,975 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2023-11-17 15:21:37,007 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 15:21:37,008 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 15:21:37,008 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 15:21:37,009 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 15:21:37,009 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 15:21:37,009 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 15:21:37,013 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 15:21:37,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 15:21:37,014 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 15:21:37,014 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 15:21:37,015 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 15:21:37,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 15:21:37,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 15:21:37,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 15:21:37,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 15:21:37,017 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 15:21:37,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 15:21:37,017 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 15:21:37,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 15:21:37,018 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 15:21:37,018 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 15:21:37,019 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 15:21:37,020 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:37,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 15:21:37,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 15:21:37,020 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 15:21:37,021 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 15:21:37,021 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 15:21:37,022 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-17 15:21:37,022 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-11-17 15:21:37,271 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 15:21:37,298 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 15:21:37,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 15:21:37,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 15:21:37,301 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 15:21:37,303 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-11-17 15:21:38,413 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 15:21:38,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 15:21:38,733 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i [2023-11-17 15:21:38,759 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/131c71edd/474b6cc3eba743e396a50f1d88a57339/FLAG53156e1ea [2023-11-17 15:21:38,778 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/131c71edd/474b6cc3eba743e396a50f1d88a57339 [2023-11-17 15:21:38,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 15:21:38,782 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 15:21:38,784 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:38,785 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 15:21:38,789 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 15:21:38,790 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:38" (1/1) ... [2023-11-17 15:21:38,791 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3caaa7f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:38, skipping insertion in model container [2023-11-17 15:21:38,791 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:21:38" (1/1) ... [2023-11-17 15:21:38,871 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 15:21:39,423 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-17 15:21:39,473 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-17 15:21:39,485 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-17 15:21:39,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:39,518 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 15:21:39,557 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[76469,76482] [2023-11-17 15:21:39,571 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79042,79055] [2023-11-17 15:21:39,574 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/workstealqueue_mutex-2.i[79451,79464] [2023-11-17 15:21:39,582 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 15:21:39,675 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:39,675 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 15:21:39,682 INFO L206 MainTranslator]: Completed translation [2023-11-17 15:21:39,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39 WrapperNode [2023-11-17 15:21:39,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 15:21:39,683 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:39,683 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 15:21:39,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 15:21:39,690 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,749 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,835 INFO L138 Inliner]: procedures = 490, calls = 130, calls flagged for inlining = 45, calls inlined = 117, statements flattened = 1858 [2023-11-17 15:21:39,836 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 15:21:39,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 15:21:39,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 15:21:39,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 15:21:39,845 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,866 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,866 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,945 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,953 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,960 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,968 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 15:21:39,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 15:21:39,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 15:21:39,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 15:21:39,983 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (1/1) ... [2023-11-17 15:21:39,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 15:21:39,998 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 15:21:40,010 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 15:21:40,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 15:21:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure Stealer [2023-11-17 15:21:40,051 INFO L138 BoogieDeclarations]: Found implementation of procedure Stealer [2023-11-17 15:21:40,051 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 15:21:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 15:21:40,052 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 15:21:40,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 15:21:40,053 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 15:21:40,054 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-17 15:21:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-17 15:21:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 15:21:40,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 15:21:40,057 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 15:21:40,414 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 15:21:40,416 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 15:21:42,175 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 15:21:42,571 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 15:21:42,571 INFO L307 CfgBuilder]: Removed 11 assume(true) statements. [2023-11-17 15:21:42,573 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:42 BoogieIcfgContainer [2023-11-17 15:21:42,573 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 15:21:42,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 15:21:42,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 15:21:42,578 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 15:21:42,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:21:38" (1/3) ... [2023-11-17 15:21:42,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212baa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:42, skipping insertion in model container [2023-11-17 15:21:42,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:21:39" (2/3) ... [2023-11-17 15:21:42,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@212baa6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:21:42, skipping insertion in model container [2023-11-17 15:21:42,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:21:42" (3/3) ... [2023-11-17 15:21:42,580 INFO L112 eAbstractionObserver]: Analyzing ICFG workstealqueue_mutex-2.i [2023-11-17 15:21:42,596 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 15:21:42,596 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2023-11-17 15:21:42,597 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 15:21:42,736 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-17 15:21:42,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:43,906 INFO L124 PetriNetUnfolderBase]: 131/3379 cut-off events. [2023-11-17 15:21:43,906 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:21:43,955 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3384 conditions, 3379 events. 131/3379 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16199 event pairs, 0 based on Foata normal form. 0/3235 useless extension candidates. Maximal degree in co-relation 1730. Up to 6 conditions per place. [2023-11-17 15:21:43,955 INFO L82 GeneralOperation]: Start removeDead. Operand has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:43,978 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:43,982 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-17 15:21:43,992 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:43,995 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:43,995 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 1749 places, 1816 transitions, 3639 flow [2023-11-17 15:21:44,831 INFO L124 PetriNetUnfolderBase]: 131/3379 cut-off events. [2023-11-17 15:21:44,831 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-17 15:21:44,874 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3384 conditions, 3379 events. 131/3379 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 16199 event pairs, 0 based on Foata normal form. 0/3235 useless extension candidates. Maximal degree in co-relation 1730. Up to 6 conditions per place. [2023-11-17 15:21:45,053 INFO L119 LiptonReduction]: Number of co-enabled transitions 508356 Received shutdown request... [2023-11-17 15:30:55,958 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 15:30:56,302 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-11-17 15:30:56,304 INFO L158 Benchmark]: Toolchain (without parser) took 557521.74ms. Allocated memory was 183.5MB in the beginning and 507.5MB in the end (delta: 324.0MB). Free memory was 152.1MB in the beginning and 174.9MB in the end (delta: -22.8MB). Peak memory consumption was 425.4MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,305 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 183.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 15:30:56,305 INFO L158 Benchmark]: CACSL2BoogieTranslator took 898.18ms. Allocated memory is still 183.5MB. Free memory was 151.7MB in the beginning and 89.2MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,306 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.58ms. Allocated memory is still 183.5MB. Free memory was 89.2MB in the beginning and 78.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,306 INFO L158 Benchmark]: Boogie Preprocessor took 144.39ms. Allocated memory is still 183.5MB. Free memory was 78.7MB in the beginning and 149.0MB in the end (delta: -70.3MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,307 INFO L158 Benchmark]: RCFGBuilder took 2591.80ms. Allocated memory was 183.5MB in the beginning and 232.8MB in the end (delta: 49.3MB). Free memory was 149.0MB in the beginning and 164.5MB in the end (delta: -15.5MB). Peak memory consumption was 138.1MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,307 INFO L158 Benchmark]: TraceAbstraction took 553727.64ms. Allocated memory was 232.8MB in the beginning and 507.5MB in the end (delta: 274.7MB). Free memory was 164.0MB in the beginning and 174.9MB in the end (delta: -10.9MB). Peak memory consumption was 387.0MB. Max. memory is 8.0GB. [2023-11-17 15:30:56,310 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 183.5MB. Free memory is still 142.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 898.18ms. Allocated memory is still 183.5MB. Free memory was 151.7MB in the beginning and 89.2MB in the end (delta: 62.5MB). Peak memory consumption was 62.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 152.58ms. Allocated memory is still 183.5MB. Free memory was 89.2MB in the beginning and 78.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Preprocessor took 144.39ms. Allocated memory is still 183.5MB. Free memory was 78.7MB in the beginning and 149.0MB in the end (delta: -70.3MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * RCFGBuilder took 2591.80ms. Allocated memory was 183.5MB in the beginning and 232.8MB in the end (delta: 49.3MB). Free memory was 149.0MB in the beginning and 164.5MB in the end (delta: -15.5MB). Peak memory consumption was 138.1MB. Max. memory is 8.0GB. * TraceAbstraction took 553727.64ms. Allocated memory was 232.8MB in the beginning and 507.5MB in the end (delta: 274.7MB). Free memory was 164.0MB in the beginning and 174.9MB in the end (delta: -10.9MB). Peak memory consumption was 387.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResult: Timeout (de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction) Toolchain cancelled while CegarLoopFactory was constructing initial abstraction,while PetriNetLargeBlockEncoding was applying PetriNetLargeBlockEncoding to Petri net that has 1749 places, 1816 transitions, 3639 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 1749 places, 1816 transitions, 3639 flow and 27648 co-enabled transitions pairs.,while XnfDer was eliminating 3 quantified variables from 8 xjuncts. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown