/usr/bin/java -Xmx16000000000 -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-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true -i ../../../trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 17:45:11,782 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 17:45:11,849 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-VariableLbe.epf [2023-08-25 17:45:11,853 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 17:45:11,854 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 17:45:11,877 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 17:45:11,878 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 17:45:11,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 17:45:11,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 17:45:11,884 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 17:45:11,884 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 17:45:11,885 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 17:45:11,885 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 17:45:11,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 17:45:11,887 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 17:45:11,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 17:45:11,887 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 17:45:11,888 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 17:45:11,888 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 17:45:11,888 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 17:45:11,888 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 17:45:11,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:45:11,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 17:45:11,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 17:45:11,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 17:45:11,889 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 17:45:11,890 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 17:45:11,890 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 17:45:11,890 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 17:45:11,890 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 17:45:12,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 17:45:12,159 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 17:45:12,161 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 17:45:12,161 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 17:45:12,163 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 17:45:12,164 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-25 17:45:13,133 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 17:45:13,343 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 17:45:13,343 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/09-regions_23-evilcollapse_rc.i [2023-08-25 17:45:13,353 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a49b2749/2262e1a4d20a4803a06f1940912050fc/FLAG09d2c6f6a [2023-08-25 17:45:13,361 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a49b2749/2262e1a4d20a4803a06f1940912050fc [2023-08-25 17:45:13,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 17:45:13,363 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 17:45:13,364 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 17:45:13,364 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 17:45:13,366 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 17:45:13,366 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,367 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d2eb83b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13, skipping insertion in model container [2023-08-25 17:45:13,367 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,411 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 17:45:13,675 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,677 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,678 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,680 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,708 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:45:13,723 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 17:45:13,743 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 17:45:13,744 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [249] [2023-08-25 17:45:13,757 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,758 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,761 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,762 WARN L1561 CHandler]: Possible shadowing of function new [2023-08-25 17:45:13,777 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 17:45:13,819 INFO L206 MainTranslator]: Completed translation [2023-08-25 17:45:13,820 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13 WrapperNode [2023-08-25 17:45:13,820 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 17:45:13,821 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 17:45:13,821 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 17:45:13,821 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 17:45:13,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,852 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,891 INFO L138 Inliner]: procedures = 272, calls = 38, calls flagged for inlining = 10, calls inlined = 11, statements flattened = 273 [2023-08-25 17:45:13,892 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 17:45:13,892 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 17:45:13,892 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 17:45:13,892 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 17:45:13,898 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,898 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,910 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,936 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 17:45:13,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 17:45:13,956 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 17:45:13,957 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 17:45:13,957 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (1/1) ... [2023-08-25 17:45:13,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 17:45:13,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 17:45:13,981 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) [2023-08-25 17:45:14,001 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 [2023-08-25 17:45:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-08-25 17:45:14,011 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-08-25 17:45:14,011 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 17:45:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 17:45:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 17:45:14,012 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 17:45:14,013 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 17:45:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 17:45:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 17:45:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 17:45:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 17:45:14,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 17:45:14,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 17:45:14,015 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-25 17:45:14,118 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 17:45:14,119 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 17:45:14,467 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 17:45:14,479 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 17:45:14,479 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-08-25 17:45:14,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:45:14 BoogieIcfgContainer [2023-08-25 17:45:14,481 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 17:45:14,483 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 17:45:14,483 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 17:45:14,485 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 17:45:14,485 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 05:45:13" (1/3) ... [2023-08-25 17:45:14,486 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30563cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:45:14, skipping insertion in model container [2023-08-25 17:45:14,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 05:45:13" (2/3) ... [2023-08-25 17:45:14,487 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30563cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 05:45:14, skipping insertion in model container [2023-08-25 17:45:14,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 05:45:14" (3/3) ... [2023-08-25 17:45:14,488 INFO L112 eAbstractionObserver]: Analyzing ICFG 09-regions_23-evilcollapse_rc.i [2023-08-25 17:45:14,499 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 17:45:14,499 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2023-08-25 17:45:14,499 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 17:45:14,612 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 17:45:14,642 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 359 places, 368 transitions, 746 flow [2023-08-25 17:45:14,749 INFO L124 PetriNetUnfolderBase]: 16/366 cut-off events. [2023-08-25 17:45:14,749 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:45:14,756 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 366 events. 16/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 651 event pairs, 0 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-08-25 17:45:14,756 INFO L82 GeneralOperation]: Start removeDead. Operand has 359 places, 368 transitions, 746 flow [2023-08-25 17:45:14,763 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 357 places, 366 transitions, 738 flow [2023-08-25 17:45:14,769 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 17:45:14,777 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 357 places, 366 transitions, 738 flow [2023-08-25 17:45:14,782 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 357 places, 366 transitions, 738 flow [2023-08-25 17:45:14,782 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 357 places, 366 transitions, 738 flow [2023-08-25 17:45:14,823 INFO L124 PetriNetUnfolderBase]: 16/366 cut-off events. [2023-08-25 17:45:14,823 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 17:45:14,826 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 366 events. 16/366 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 649 event pairs, 0 based on Foata normal form. 0/328 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-08-25 17:45:14,831 INFO L119 LiptonReduction]: Number of co-enabled transitions 12194 [2023-08-25 17:45:58,707 WARN L234 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:46:04,353 WARN L234 SmtUtils]: Spent 5.65s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:46:13,515 WARN L234 SmtUtils]: Spent 9.16s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:46:18,551 WARN L234 SmtUtils]: Spent 5.03s on a formula simplification that was a NOOP. DAG size: 122 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:48:47,766 WARN L234 SmtUtils]: Spent 2.32m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:50:17,995 WARN L234 SmtUtils]: Spent 1.50m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:51:50,110 WARN L234 SmtUtils]: Spent 1.54m on a formula simplification that was a NOOP. DAG size: 263 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:53:12,410 WARN L234 SmtUtils]: Spent 1.37m on a formula simplification that was a NOOP. DAG size: 249 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:55:07,747 WARN L234 SmtUtils]: Spent 1.92m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:57:07,579 WARN L234 SmtUtils]: Spent 2.00m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 17:59:05,143 WARN L234 SmtUtils]: Spent 1.96m on a formula simplification that was a NOOP. DAG size: 252 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 18:00:01,640 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 [2023-08-25 18:00:02,135 WARN L266 SmtUtils]: Removed 24 from assertion stack [2023-08-25 18:00:02,135 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-25 18:00:02,136 INFO L158 Benchmark]: Toolchain (without parser) took 888772.55ms. Allocated memory was 333.4MB in the beginning and 601.9MB in the end (delta: 268.4MB). Free memory was 308.0MB in the beginning and 388.3MB in the end (delta: -80.3MB). Peak memory consumption was 269.7MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,137 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 333.4MB. Free memory was 311.4MB in the beginning and 311.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 18:00:02,137 INFO L158 Benchmark]: CACSL2BoogieTranslator took 456.06ms. Allocated memory is still 333.4MB. Free memory was 308.0MB in the beginning and 277.4MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.90ms. Allocated memory is still 333.4MB. Free memory was 277.4MB in the beginning and 273.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,138 INFO L158 Benchmark]: Boogie Preprocessor took 51.78ms. Allocated memory is still 333.4MB. Free memory was 273.2MB in the beginning and 269.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,138 INFO L158 Benchmark]: RCFGBuilder took 537.17ms. Allocated memory is still 333.4MB. Free memory was 269.6MB in the beginning and 235.5MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,138 INFO L158 Benchmark]: TraceAbstraction took 887652.40ms. Allocated memory was 333.4MB in the beginning and 601.9MB in the end (delta: 268.4MB). Free memory was 234.7MB in the beginning and 388.3MB in the end (delta: -153.6MB). Peak memory consumption was 196.3MB. Max. memory is 16.0GB. [2023-08-25 18:00:02,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 333.4MB. Free memory was 311.4MB in the beginning and 311.3MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 456.06ms. Allocated memory is still 333.4MB. Free memory was 308.0MB in the beginning and 277.4MB in the end (delta: 30.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 70.90ms. Allocated memory is still 333.4MB. Free memory was 277.4MB in the beginning and 273.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 51.78ms. Allocated memory is still 333.4MB. Free memory was 273.2MB in the beginning and 269.6MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * RCFGBuilder took 537.17ms. Allocated memory is still 333.4MB. Free memory was 269.6MB in the beginning and 235.5MB in the end (delta: 34.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.0GB. * TraceAbstraction took 887652.40ms. Allocated memory was 333.4MB in the beginning and 601.9MB in the end (delta: 268.4MB). Free memory was 234.7MB in the beginning and 388.3MB in the end (delta: -153.6MB). Peak memory consumption was 196.3MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] - GenericResultAtLocation [Line: 249]: Unsoundness Warning unspecified type, defaulting to int C: short [249] * 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 357 places, 366 transitions, 738 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 357 places, 366 transitions, 738 flow and 2304 co-enabled transitions pairs.,while SimplifyDDAWithTimeout was simplifying term of DAG size 252 for 56989ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown