/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/pthread-wmm/thin002_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 16:18:03,761 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 16:18:03,845 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 16:18:03,850 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 16:18:03,850 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 16:18:03,880 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 16:18:03,881 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 16:18:03,881 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 16:18:03,882 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 16:18:03,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 16:18:03,886 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 16:18:03,886 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 16:18:03,886 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 16:18:03,887 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 16:18:03,888 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 16:18:03,888 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 16:18:03,888 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 16:18:03,888 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 16:18:03,889 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 16:18:03,889 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 16:18:03,889 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 16:18:03,890 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 16:18:03,890 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 16:18:03,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 16:18:03,891 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 16:18:03,891 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 16:18:03,891 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 16:18:03,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:18:03,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 16:18:03,892 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 16:18:03,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 16:18:03,893 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 16:18:03,893 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 16:18:03,893 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 16:18:03,893 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 16:18:03,894 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 16:18:04,208 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 16:18:04,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 16:18:04,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 16:18:04,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 16:18:04,230 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 16:18:04,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2023-08-25 16:18:05,427 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 16:18:05,727 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 16:18:05,728 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_power.opt.i [2023-08-25 16:18:05,754 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5358cbe/adb2353cfff444079d597dea99650e66/FLAG567707a04 [2023-08-25 16:18:05,768 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb5358cbe/adb2353cfff444079d597dea99650e66 [2023-08-25 16:18:05,773 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 16:18:05,774 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 16:18:05,776 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 16:18:05,776 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 16:18:05,779 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 16:18:05,780 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:18:05" (1/1) ... [2023-08-25 16:18:05,781 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bffb219 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:05, skipping insertion in model container [2023-08-25 16:18:05,781 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 04:18:05" (1/1) ... [2023-08-25 16:18:05,834 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 16:18:06,255 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:18:06,272 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 16:18:06,303 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 16:18:06,305 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [267] [2023-08-25 16:18:06,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 16:18:06,404 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:18:06,404 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 16:18:06,410 INFO L206 MainTranslator]: Completed translation [2023-08-25 16:18:06,410 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06 WrapperNode [2023-08-25 16:18:06,410 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 16:18:06,411 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 16:18:06,411 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 16:18:06,411 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 16:18:06,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,467 INFO L138 Inliner]: procedures = 177, calls = 85, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 593 [2023-08-25 16:18:06,467 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 16:18:06,468 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 16:18:06,468 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 16:18:06,468 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 16:18:06,475 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,481 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,481 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,515 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,538 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,551 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,559 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 16:18:06,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 16:18:06,559 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 16:18:06,560 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 16:18:06,560 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (1/1) ... [2023-08-25 16:18:06,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 16:18:06,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 16:18:06,588 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 16:18:06,597 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 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 16:18:06,621 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 16:18:06,621 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 16:18:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 16:18:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-25 16:18:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 16:18:06,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 16:18:06,622 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 16:18:06,624 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 16:18:06,804 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 16:18:06,805 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 16:18:08,064 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 16:18:59,998 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 16:18:59,998 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 16:19:00,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:19:00 BoogieIcfgContainer [2023-08-25 16:19:00,001 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 16:19:00,003 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 16:19:00,003 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 16:19:00,005 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 16:19:00,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 04:18:05" (1/3) ... [2023-08-25 16:19:00,006 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c43cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:19:00, skipping insertion in model container [2023-08-25 16:19:00,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 04:18:06" (2/3) ... [2023-08-25 16:19:00,007 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c43cdb6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 04:19:00, skipping insertion in model container [2023-08-25 16:19:00,007 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 04:19:00" (3/3) ... [2023-08-25 16:19:00,008 INFO L112 eAbstractionObserver]: Analyzing ICFG thin002_power.opt.i [2023-08-25 16:19:00,022 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 16:19:00,022 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 286 error locations. [2023-08-25 16:19:00,022 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 16:19:08,961 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 16:19:08,999 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 451 places, 441 transitions, 902 flow [2023-08-25 16:19:12,570 INFO L124 PetriNetUnfolderBase]: 3/437 cut-off events. [2023-08-25 16:19:12,570 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:19:12,584 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 437 events. 3/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 2662 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2023-08-25 16:19:12,585 INFO L82 GeneralOperation]: Start removeDead. Operand has 451 places, 441 transitions, 902 flow [2023-08-25 16:19:12,611 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 447 places, 437 transitions, 886 flow [2023-08-25 16:19:12,614 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 16:19:12,625 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 447 places, 437 transitions, 886 flow [2023-08-25 16:19:12,632 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 447 places, 437 transitions, 886 flow [2023-08-25 16:19:12,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 447 places, 437 transitions, 886 flow [2023-08-25 16:19:15,665 INFO L124 PetriNetUnfolderBase]: 3/437 cut-off events. [2023-08-25 16:19:15,665 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 16:19:15,668 INFO L83 FinitePrefix]: Finished finitePrefix Result has 450 conditions, 437 events. 3/437 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 2641 event pairs, 0 based on Foata normal form. 0/148 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2023-08-25 16:19:15,695 INFO L119 LiptonReduction]: Number of co-enabled transitions 79092 [2023-08-25 16:20:49,533 WARN L234 SmtUtils]: Spent 1.55m on a formula simplification. DAG size of input: 7064 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:23:30,543 WARN L234 SmtUtils]: Spent 2.68m on a formula simplification. DAG size of input: 7044 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:26:13,054 WARN L234 SmtUtils]: Spent 2.71m on a formula simplification. DAG size of input: 7044 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:28:18,106 WARN L234 SmtUtils]: Spent 2.08m on a formula simplification. DAG size of input: 7044 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:29:37,815 WARN L234 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 7044 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:30:05,840 WARN L234 SmtUtils]: Spent 28.01s on a formula simplification. DAG size of input: 6109 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 16:31:04,509 WARN L234 SmtUtils]: Spent 58.65s on a formula simplification. DAG size of input: 7173 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 16:32:19,329 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 16:32:19,361 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 16:32:19,362 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 16:32:19,363 INFO L158 Benchmark]: Toolchain (without parser) took 853589.26ms. Allocated memory was 348.1MB in the beginning and 13.7GB in the end (delta: 13.4GB). Free memory was 301.7MB in the beginning and 9.4GB in the end (delta: -9.1GB). Peak memory consumption was 8.9GB. Max. memory is 16.0GB. [2023-08-25 16:32:19,364 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 348.1MB. Free memory is still 324.3MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 16:32:19,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 634.55ms. Allocated memory is still 348.1MB. Free memory was 301.2MB in the beginning and 316.4MB in the end (delta: -15.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.0GB. [2023-08-25 16:32:19,365 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.93ms. Allocated memory is still 348.1MB. Free memory was 316.4MB in the beginning and 312.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-25 16:32:19,365 INFO L158 Benchmark]: Boogie Preprocessor took 91.11ms. Allocated memory is still 348.1MB. Free memory was 312.2MB in the beginning and 305.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 16:32:19,366 INFO L158 Benchmark]: RCFGBuilder took 53441.72ms. Allocated memory was 348.1MB in the beginning and 12.9GB in the end (delta: 12.5GB). Free memory was 305.9MB in the beginning and 11.9GB in the end (delta: -11.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. [2023-08-25 16:32:19,367 INFO L158 Benchmark]: TraceAbstraction took 799359.66ms. Allocated memory was 12.9GB in the beginning and 13.7GB in the end (delta: 841.0MB). Free memory was 11.9GB in the beginning and 9.4GB in the end (delta: 2.5GB). Peak memory consumption was 7.9GB. Max. memory is 16.0GB. [2023-08-25 16:32:19,369 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 348.1MB. Free memory is still 324.3MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 634.55ms. Allocated memory is still 348.1MB. Free memory was 301.2MB in the beginning and 316.4MB in the end (delta: -15.1MB). Peak memory consumption was 31.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 55.93ms. Allocated memory is still 348.1MB. Free memory was 316.4MB in the beginning and 312.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 91.11ms. Allocated memory is still 348.1MB. Free memory was 312.2MB in the beginning and 305.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 53441.72ms. Allocated memory was 348.1MB in the beginning and 12.9GB in the end (delta: 12.5GB). Free memory was 305.9MB in the beginning and 11.9GB in the end (delta: -11.6GB). Peak memory consumption was 2.3GB. Max. memory is 16.0GB. * TraceAbstraction took 799359.66ms. Allocated memory was 12.9GB in the beginning and 13.7GB in the end (delta: 841.0MB). Free memory was 11.9GB in the beginning and 9.4GB in the end (delta: 2.5GB). Peak memory consumption was 7.9GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] - GenericResultAtLocation [Line: 267]: Unsoundness Warning unspecified type, defaulting to int C: short [267] * 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 447 places, 437 transitions, 886 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 447 places, 437 transitions, 886 flow and 79092 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 7177 for 74833ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown