/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 PROGRAM_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/safe027_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 05:29:28,837 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 05:29:28,918 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 [2023-08-26 05:29:28,922 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 05:29:28,923 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 05:29:28,957 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 05:29:28,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 05:29:28,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 05:29:28,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 05:29:28,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 05:29:28,962 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 05:29:28,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 05:29:28,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 05:29:28,964 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 05:29:28,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 05:29:28,964 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 05:29:28,965 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 05:29:28,965 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 05:29:28,965 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 05:29:28,965 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 05:29:28,966 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 05:29:28,966 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 05:29:28,966 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 05:29:28,967 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 05:29:28,967 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 05:29:28,967 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 05:29:28,967 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 05:29:28,968 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:29:28,968 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 05:29:28,968 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 05:29:28,969 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 05:29:28,969 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 05:29:28,969 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 05:29:28,969 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 05:29:28,970 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 05:29:28,970 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-26 05:29:29,294 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 05:29:29,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 05:29:29,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 05:29:29,313 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 05:29:29,313 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 05:29:29,314 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe027_rmo.i [2023-08-26 05:29:30,459 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 05:29:30,785 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 05:29:30,786 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe027_rmo.i [2023-08-26 05:29:30,808 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee0faf26/4a9d63fd9425436493c19f3182b7712c/FLAGafd1cda6b [2023-08-26 05:29:30,820 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cee0faf26/4a9d63fd9425436493c19f3182b7712c [2023-08-26 05:29:30,822 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 05:29:30,823 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 05:29:30,824 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 05:29:30,824 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 05:29:30,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 05:29:30,827 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:29:30" (1/1) ... [2023-08-26 05:29:30,828 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55019392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:30, skipping insertion in model container [2023-08-26 05:29:30,828 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 05:29:30" (1/1) ... [2023-08-26 05:29:30,865 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 05:29:31,303 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:29:31,317 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 05:29:31,344 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 05:29:31,346 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-26 05:29:31,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 05:29:31,434 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:29:31,434 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 05:29:31,439 INFO L206 MainTranslator]: Completed translation [2023-08-26 05:29:31,440 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31 WrapperNode [2023-08-26 05:29:31,440 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 05:29:31,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 05:29:31,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 05:29:31,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 05:29:31,447 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,483 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,537 INFO L138 Inliner]: procedures = 177, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 341 [2023-08-26 05:29:31,537 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 05:29:31,538 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 05:29:31,538 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 05:29:31,538 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 05:29:31,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,547 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,616 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,620 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,625 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 05:29:31,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 05:29:31,633 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 05:29:31,633 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 05:29:31,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (1/1) ... [2023-08-26 05:29:31,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 05:29:31,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 05:29:31,669 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) [2023-08-26 05:29:31,675 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 [2023-08-26 05:29:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 05:29:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 05:29:31,700 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 05:29:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 05:29:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 05:29:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 05:29:31,701 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-26 05:29:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-26 05:29:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-26 05:29:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-26 05:29:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-26 05:29:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-26 05:29:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-08-26 05:29:31,702 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-08-26 05:29:31,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 05:29:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 05:29:31,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 05:29:31,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 05:29:31,705 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 05:29:31,932 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 05:29:31,933 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 05:29:33,050 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 05:34:43,586 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 05:34:43,587 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 05:34:43,589 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:34:43 BoogieIcfgContainer [2023-08-26 05:34:43,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 05:34:43,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 05:34:43,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 05:34:43,593 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 05:34:43,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 05:29:30" (1/3) ... [2023-08-26 05:34:43,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191b2b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:34:43, skipping insertion in model container [2023-08-26 05:34:43,594 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 05:29:31" (2/3) ... [2023-08-26 05:34:43,594 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@191b2b8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 05:34:43, skipping insertion in model container [2023-08-26 05:34:43,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 05:34:43" (3/3) ... [2023-08-26 05:34:43,596 INFO L112 eAbstractionObserver]: Analyzing ICFG safe027_rmo.i [2023-08-26 05:34:43,608 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 05:34:43,608 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 282 error locations. [2023-08-26 05:34:43,608 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 05:35:18,693 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 05:35:18,732 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 442 places, 432 transitions, 884 flow [2023-08-26 05:36:13,264 INFO L124 PetriNetUnfolderBase]: 3/428 cut-off events. [2023-08-26 05:36:13,264 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:36:13,282 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 428 events. 3/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2564 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 370. Up to 2 conditions per place. [2023-08-26 05:36:13,283 INFO L82 GeneralOperation]: Start removeDead. Operand has 442 places, 432 transitions, 884 flow [2023-08-26 05:36:13,312 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 438 places, 428 transitions, 868 flow [2023-08-26 05:36:13,315 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 05:36:13,327 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 428 transitions, 868 flow [2023-08-26 05:36:13,330 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 428 transitions, 868 flow [2023-08-26 05:36:13,331 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 438 places, 428 transitions, 868 flow [2023-08-26 05:37:06,066 INFO L124 PetriNetUnfolderBase]: 3/428 cut-off events. [2023-08-26 05:37:06,066 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 05:37:06,070 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 428 events. 3/428 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2561 event pairs, 0 based on Foata normal form. 0/143 useless extension candidates. Maximal degree in co-relation 370. Up to 2 conditions per place. [2023-08-26 05:37:06,097 INFO L119 LiptonReduction]: Number of co-enabled transitions 92504 [2023-08-26 05:37:41,046 WARN L234 SmtUtils]: Spent 6.50s on a formula simplification. DAG size of input: 1391 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:37:49,164 WARN L234 SmtUtils]: Spent 6.16s on a formula simplification. DAG size of input: 1422 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:37:56,109 WARN L234 SmtUtils]: Spent 6.93s on a formula simplification. DAG size of input: 1286 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:02,575 WARN L234 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 1432 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:12,456 WARN L234 SmtUtils]: Spent 5.97s on a formula simplification. DAG size of input: 1414 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:22,001 WARN L234 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 1414 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:30,299 WARN L234 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 1294 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:36,680 WARN L234 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 1294 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:41,744 WARN L234 SmtUtils]: Spent 5.06s on a formula simplification. DAG size of input: 1294 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:38:56,609 WARN L234 SmtUtils]: Spent 7.72s on a formula simplification. DAG size of input: 2004 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:39:07,945 WARN L234 SmtUtils]: Spent 7.23s on a formula simplification. DAG size of input: 1924 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:39:15,344 WARN L234 SmtUtils]: Spent 7.39s on a formula simplification. DAG size of input: 1450 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:39:20,552 WARN L234 SmtUtils]: Spent 5.20s on a formula simplification. DAG size of input: 1432 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:39:33,627 WARN L234 SmtUtils]: Spent 9.74s on a formula simplification. DAG size of input: 2355 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:39:42,974 WARN L234 SmtUtils]: Spent 9.34s on a formula simplification. DAG size of input: 2586 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:40:01,230 WARN L234 SmtUtils]: Spent 18.25s on a formula simplification. DAG size of input: 3326 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:40:08,838 WARN L234 SmtUtils]: Spent 7.59s on a formula simplification. DAG size of input: 2653 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:40:29,949 WARN L234 SmtUtils]: Spent 21.10s on a formula simplification. DAG size of input: 3403 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:40:55,933 WARN L234 SmtUtils]: Spent 25.97s on a formula simplification. DAG size of input: 3444 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:41:02,586 WARN L234 SmtUtils]: Spent 6.65s on a formula simplification. DAG size of input: 2702 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:41:20,700 WARN L234 SmtUtils]: Spent 18.10s on a formula simplification. DAG size of input: 3475 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:41:41,430 WARN L234 SmtUtils]: Spent 20.71s on a formula simplification. DAG size of input: 3491 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 05:42:05,674 WARN L234 SmtUtils]: Spent 24.23s on a formula simplification. DAG size of input: 3393 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 05:42:30,157 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-26 05:42:30,158 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-26 05:42:30,159 INFO L158 Benchmark]: Toolchain (without parser) took 779335.19ms. Allocated memory was 358.6MB in the beginning and 15.9GB in the end (delta: 15.6GB). Free memory was 333.8MB in the beginning and 9.7GB in the end (delta: -9.4GB). Peak memory consumption was 12.6GB. Max. memory is 16.0GB. [2023-08-26 05:42:30,159 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 358.6MB. Free memory is still 334.9MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 05:42:30,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 615.85ms. Allocated memory is still 358.6MB. Free memory was 333.3MB in the beginning and 305.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-26 05:42:30,160 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.32ms. Allocated memory is still 358.6MB. Free memory was 305.0MB in the beginning and 301.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. [2023-08-26 05:42:30,160 INFO L158 Benchmark]: Boogie Preprocessor took 94.51ms. Allocated memory is still 358.6MB. Free memory was 301.3MB in the beginning and 295.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-26 05:42:30,161 INFO L158 Benchmark]: RCFGBuilder took 311956.10ms. Allocated memory was 358.6MB in the beginning and 15.8GB in the end (delta: 15.5GB). Free memory was 295.0MB in the beginning and 13.0GB in the end (delta: -12.7GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. [2023-08-26 05:42:30,161 INFO L158 Benchmark]: TraceAbstraction took 466567.10ms. Allocated memory was 15.8GB in the beginning and 15.9GB in the end (delta: 104.9MB). Free memory was 13.0GB in the beginning and 9.7GB in the end (delta: 3.3GB). Peak memory consumption was 9.8GB. Max. memory is 16.0GB. [2023-08-26 05:42:30,164 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 358.6MB. Free memory is still 334.9MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 615.85ms. Allocated memory is still 358.6MB. Free memory was 333.3MB in the beginning and 305.0MB in the end (delta: 28.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 96.32ms. Allocated memory is still 358.6MB. Free memory was 305.0MB in the beginning and 301.3MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB. * Boogie Preprocessor took 94.51ms. Allocated memory is still 358.6MB. Free memory was 301.3MB in the beginning and 295.0MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 311956.10ms. Allocated memory was 358.6MB in the beginning and 15.8GB in the end (delta: 15.5GB). Free memory was 295.0MB in the beginning and 13.0GB in the end (delta: -12.7GB). Peak memory consumption was 4.2GB. Max. memory is 16.0GB. * TraceAbstraction took 466567.10ms. Allocated memory was 15.8GB in the beginning and 15.9GB in the end (delta: 104.9MB). Free memory was 13.0GB in the beginning and 9.7GB in the end (delta: 3.3GB). Peak memory consumption was 9.8GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] - GenericResultAtLocation [Line: 268]: Unsoundness Warning unspecified type, defaulting to int C: short [268] * 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 438 places, 428 transitions, 868 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 438 places, 428 transitions, 868 flow and 92504 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 3374 for 24471ms.. [2023-08-26 05:42:30,177 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown