/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/safe020_rmo.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 15:35:03,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 15:35:03,325 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 15:35:03,327 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 15:35:03,328 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 15:35:03,358 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 15:35:03,359 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 15:35:03,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 15:35:03,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 15:35:03,362 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 15:35:03,362 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 15:35:03,362 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 15:35:03,363 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 15:35:03,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 15:35:03,364 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 15:35:03,365 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 15:35:03,365 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 15:35:03,365 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 15:35:03,366 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 15:35:03,366 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 15:35:03,366 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 15:35:03,366 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:35:03,366 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 15:35:03,366 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 15:35:03,367 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 15:35:03,367 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 15:35:03,367 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 15:35:03,367 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 15:35:03,367 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 15:35:03,368 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 15:35:03,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 15:35:03,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 15:35:03,581 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 15:35:03,582 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 15:35:03,586 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 15:35:03,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_rmo.i [2023-08-25 15:35:04,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 15:35:04,720 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 15:35:04,721 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_rmo.i [2023-08-25 15:35:04,736 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571a8ed01/fed38b032bcf4aa1a373fc2ab71dc31c/FLAG8c9520833 [2023-08-25 15:35:04,747 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/571a8ed01/fed38b032bcf4aa1a373fc2ab71dc31c [2023-08-25 15:35:04,750 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 15:35:04,751 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 15:35:04,753 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 15:35:04,754 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 15:35:04,755 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 15:35:04,756 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:35:04" (1/1) ... [2023-08-25 15:35:04,757 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45789513 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:04, skipping insertion in model container [2023-08-25 15:35:04,757 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:35:04" (1/1) ... [2023-08-25 15:35:04,795 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 15:35:05,132 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:35:05,141 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 15:35:05,163 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:35:05,164 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:35:05,232 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:35:05,259 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:35:05,259 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:35:05,264 INFO L206 MainTranslator]: Completed translation [2023-08-25 15:35:05,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05 WrapperNode [2023-08-25 15:35:05,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 15:35:05,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 15:35:05,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 15:35:05,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 15:35:05,270 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,320 INFO L138 Inliner]: procedures = 176, calls = 76, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 318 [2023-08-25 15:35:05,320 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 15:35:05,320 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 15:35:05,321 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 15:35:05,321 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 15:35:05,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,338 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,338 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 15:35:05,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 15:35:05,385 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 15:35:05,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 15:35:05,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (1/1) ... [2023-08-25 15:35:05,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:35:05,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 15:35:05,407 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 15:35:05,439 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 15:35:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 15:35:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 15:35:05,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 15:35:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 15:35:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 15:35:05,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 15:35:05,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 15:35:05,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 15:35:05,454 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 15:35:05,610 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 15:35:05,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 15:35:06,665 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 15:38:29,083 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 15:38:29,083 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 15:38:29,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:38:29 BoogieIcfgContainer [2023-08-25 15:38:29,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 15:38:29,088 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 15:38:29,088 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 15:38:29,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 15:38:29,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:35:04" (1/3) ... [2023-08-25 15:38:29,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9fa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:38:29, skipping insertion in model container [2023-08-25 15:38:29,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:35:05" (2/3) ... [2023-08-25 15:38:29,090 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40a9fa1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:38:29, skipping insertion in model container [2023-08-25 15:38:29,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:38:29" (3/3) ... [2023-08-25 15:38:29,091 INFO L112 eAbstractionObserver]: Analyzing ICFG safe020_rmo.i [2023-08-25 15:38:29,102 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 15:38:29,102 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 304 error locations. [2023-08-25 15:38:29,102 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 15:39:00,774 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 15:39:00,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 441 places, 434 transitions, 883 flow [2023-08-25 15:39:35,969 INFO L124 PetriNetUnfolderBase]: 3/431 cut-off events. [2023-08-25 15:39:35,969 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:39:35,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 431 events. 3/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2617 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2023-08-25 15:39:35,983 INFO L82 GeneralOperation]: Start removeDead. Operand has 441 places, 434 transitions, 883 flow [2023-08-25 15:39:36,004 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 438 places, 431 transitions, 871 flow [2023-08-25 15:39:36,007 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 15:39:36,016 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 438 places, 431 transitions, 871 flow [2023-08-25 15:39:36,021 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 438 places, 431 transitions, 871 flow [2023-08-25 15:39:36,021 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 438 places, 431 transitions, 871 flow [2023-08-25 15:40:09,773 INFO L124 PetriNetUnfolderBase]: 3/431 cut-off events. [2023-08-25 15:40:09,773 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:40:09,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 441 conditions, 431 events. 3/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2619 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 377. Up to 2 conditions per place. [2023-08-25 15:40:09,799 INFO L119 LiptonReduction]: Number of co-enabled transitions 94888 [2023-08-25 15:40:36,229 WARN L234 SmtUtils]: Spent 16.01s on a formula simplification. DAG size of input: 963 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:40:47,135 WARN L234 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 966 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:41:00,223 WARN L234 SmtUtils]: Spent 13.08s on a formula simplification. DAG size of input: 961 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:41:51,965 WARN L234 SmtUtils]: Spent 44.93s 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) [2023-08-25 15:43:31,174 WARN L234 SmtUtils]: Spent 1.65m on a formula simplification. DAG size of input: 2413 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:43:42,290 WARN L234 SmtUtils]: Spent 11.11s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:43:54,569 WARN L234 SmtUtils]: Spent 12.27s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:44:04,423 WARN L234 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:44:15,265 WARN L234 SmtUtils]: Spent 10.84s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:45:27,453 WARN L234 SmtUtils]: Spent 1.20m on a formula simplification. DAG size of input: 2904 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:47:47,408 WARN L234 SmtUtils]: Spent 2.33m on a formula simplification. DAG size of input: 2826 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:47:57,663 WARN L234 SmtUtils]: Spent 10.25s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:48:02,673 WARN L234 SmtUtils]: Spent 5.01s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:48:15,249 WARN L234 SmtUtils]: Spent 12.57s on a formula simplification. DAG size of input: 914 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:48:20,385 WARN L234 SmtUtils]: Spent 5.13s on a formula simplification. DAG size of input: 1729 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 15:48:42,460 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 15:48:42,482 WARN L266 SmtUtils]: Removed 5 from assertion stack [2023-08-25 15:48:42,482 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 15:48:42,483 INFO L158 Benchmark]: Toolchain (without parser) took 817731.51ms. Allocated memory was 400.6MB in the beginning and 15.8GB in the end (delta: 15.4GB). Free memory was 375.6MB in the beginning and 9.6GB in the end (delta: -9.2GB). Peak memory consumption was 12.7GB. Max. memory is 16.0GB. [2023-08-25 15:48:42,483 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 400.6MB. Free memory was 377.7MB in the beginning and 377.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 15:48:42,484 INFO L158 Benchmark]: CACSL2BoogieTranslator took 511.12ms. Allocated memory is still 400.6MB. Free memory was 375.6MB in the beginning and 346.7MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. [2023-08-25 15:48:42,484 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.87ms. Allocated memory is still 400.6MB. Free memory was 346.4MB in the beginning and 343.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 15:48:42,485 INFO L158 Benchmark]: Boogie Preprocessor took 63.62ms. Allocated memory is still 400.6MB. Free memory was 343.2MB in the beginning and 336.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. [2023-08-25 15:48:42,485 INFO L158 Benchmark]: RCFGBuilder took 203700.84ms. Allocated memory was 400.6MB in the beginning and 15.7GB in the end (delta: 15.3GB). Free memory was 336.6MB in the beginning and 12.7GB in the end (delta: -12.4GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. [2023-08-25 15:48:42,485 INFO L158 Benchmark]: TraceAbstraction took 613394.85ms. Allocated memory was 15.7GB in the beginning and 15.8GB in the end (delta: 130.0MB). Free memory was 12.7GB in the beginning and 9.6GB in the end (delta: 3.1GB). Peak memory consumption was 9.7GB. Max. memory is 16.0GB. [2023-08-25 15:48:42,487 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 400.6MB. Free memory was 377.7MB in the beginning and 377.6MB in the end (delta: 81.7kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 511.12ms. Allocated memory is still 400.6MB. Free memory was 375.6MB in the beginning and 346.7MB in the end (delta: 28.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 54.87ms. Allocated memory is still 400.6MB. Free memory was 346.4MB in the beginning and 343.2MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 63.62ms. Allocated memory is still 400.6MB. Free memory was 343.2MB in the beginning and 336.6MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.0GB. * RCFGBuilder took 203700.84ms. Allocated memory was 400.6MB in the beginning and 15.7GB in the end (delta: 15.3GB). Free memory was 336.6MB in the beginning and 12.7GB in the end (delta: -12.4GB). Peak memory consumption was 4.5GB. Max. memory is 16.0GB. * TraceAbstraction took 613394.85ms. Allocated memory was 15.7GB in the beginning and 15.8GB in the end (delta: 130.0MB). Free memory was 12.7GB in the beginning and 9.6GB in the end (delta: 3.1GB). Peak memory consumption was 9.7GB. 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, 431 transitions, 871 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 438 places, 431 transitions, 871 flow and 94888 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 2366 for 22089ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown