/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/safe018_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 15:23:35,390 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 15:23:35,472 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 15:23:35,476 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 15:23:35,476 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 15:23:35,512 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 15:23:35,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 15:23:35,513 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 15:23:35,514 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 15:23:35,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 15:23:35,517 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 15:23:35,517 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 15:23:35,518 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 15:23:35,519 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 15:23:35,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 15:23:35,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 15:23:35,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 15:23:35,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 15:23:35,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 15:23:35,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 15:23:35,520 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 15:23:35,521 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 15:23:35,521 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 15:23:35,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 15:23:35,522 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 15:23:35,522 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 15:23:35,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 15:23:35,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:23:35,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 15:23:35,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 15:23:35,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 15:23:35,524 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 15:23:35,524 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 15:23:35,524 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 15:23:35,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 15:23:35,525 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 15:23:35,814 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 15:23:35,833 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 15:23:35,836 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 15:23:35,837 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 15:23:35,837 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 15:23:35,838 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2023-08-25 15:23:37,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 15:23:37,335 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 15:23:37,336 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe018_rmo.opt.i [2023-08-25 15:23:37,355 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651baf539/b294bf79e7cc47a7bd2fec58b651c587/FLAG4d26397e6 [2023-08-25 15:23:37,368 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/651baf539/b294bf79e7cc47a7bd2fec58b651c587 [2023-08-25 15:23:37,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 15:23:37,374 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 15:23:37,375 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 15:23:37,375 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 15:23:37,377 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 15:23:37,378 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:37,379 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15df7cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37, skipping insertion in model container [2023-08-25 15:23:37,379 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:37,425 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 15:23:37,766 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:23:37,775 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 15:23:37,792 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:23:37,794 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [268] [2023-08-25 15:23:37,871 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 15:23:37,906 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:23:37,906 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 15:23:37,912 INFO L206 MainTranslator]: Completed translation [2023-08-25 15:23:37,913 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37 WrapperNode [2023-08-25 15:23:37,913 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 15:23:37,914 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 15:23:37,914 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 15:23:37,914 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 15:23:37,919 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:37,959 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:37,987 INFO L138 Inliner]: procedures = 176, calls = 74, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 319 [2023-08-25 15:23:37,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 15:23:37,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 15:23:37,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 15:23:37,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 15:23:37,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:37,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,003 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,003 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,061 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,085 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,098 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 15:23:38,099 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 15:23:38,099 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 15:23:38,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 15:23:38,100 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (1/1) ... [2023-08-25 15:23:38,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 15:23:38,115 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 15:23:38,126 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 15:23:38,137 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 15:23:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 15:23:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 15:23:38,161 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-25 15:23:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 15:23:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 15:23:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 15:23:38,162 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-08-25 15:23:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-08-25 15:23:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-08-25 15:23:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-08-25 15:23:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-08-25 15:23:38,163 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-08-25 15:23:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 15:23:38,163 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-25 15:23:38,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 15:23:38,165 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 15:23:38,167 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 15:23:38,372 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 15:23:38,373 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 15:23:39,870 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 15:27:25,411 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 15:27:25,411 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-25 15:27:25,414 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:27:25 BoogieIcfgContainer [2023-08-25 15:27:25,414 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 15:27:25,415 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 15:27:25,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 15:27:25,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 15:27:25,418 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 03:23:37" (1/3) ... [2023-08-25 15:27:25,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752d053e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:27:25, skipping insertion in model container [2023-08-25 15:27:25,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 03:23:37" (2/3) ... [2023-08-25 15:27:25,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@752d053e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 03:27:25, skipping insertion in model container [2023-08-25 15:27:25,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 03:27:25" (3/3) ... [2023-08-25 15:27:25,420 INFO L112 eAbstractionObserver]: Analyzing ICFG safe018_rmo.opt.i [2023-08-25 15:27:25,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 15:27:25,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 305 error locations. [2023-08-25 15:27:25,434 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 15:28:03,008 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-25 15:28:03,050 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 443 places, 436 transitions, 887 flow [2023-08-25 15:28:38,391 INFO L124 PetriNetUnfolderBase]: 3/433 cut-off events. [2023-08-25 15:28:38,391 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:28:38,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 433 events. 3/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2629 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2023-08-25 15:28:38,409 INFO L82 GeneralOperation]: Start removeDead. Operand has 443 places, 436 transitions, 887 flow [2023-08-25 15:28:38,440 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 440 places, 433 transitions, 875 flow [2023-08-25 15:28:38,444 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 15:28:38,463 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 440 places, 433 transitions, 875 flow [2023-08-25 15:28:38,467 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 440 places, 433 transitions, 875 flow [2023-08-25 15:28:38,467 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 440 places, 433 transitions, 875 flow [2023-08-25 15:29:12,771 INFO L124 PetriNetUnfolderBase]: 3/433 cut-off events. [2023-08-25 15:29:12,772 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-25 15:29:12,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 443 conditions, 433 events. 3/433 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 2634 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 378. Up to 2 conditions per place. [2023-08-25 15:29:12,805 INFO L119 LiptonReduction]: Number of co-enabled transitions 95424 [2023-08-25 15:29:38,742 WARN L234 SmtUtils]: Spent 16.51s 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 15:30:00,549 WARN L234 SmtUtils]: Spent 12.29s on a formula simplification. DAG size of input: 977 DAG size of output: 1 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 15:32:06,537 WARN L234 SmtUtils]: Spent 2.10m 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 15:34:12,825 WARN L234 SmtUtils]: Spent 2.10m 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 15:34:28,277 WARN L234 SmtUtils]: Spent 11.47s 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 15:34:40,155 WARN L234 SmtUtils]: Spent 11.87s 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 15:34:45,357 WARN L234 SmtUtils]: Spent 5.20s 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 15:35:54,487 WARN L234 SmtUtils]: Spent 1.15m 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) Received shutdown request... [2023-08-25 15:36:43,904 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 15:36:44,003 WARN L266 SmtUtils]: Removed 3 from assertion stack [2023-08-25 15:36:44,003 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 15:36:44,005 INFO L158 Benchmark]: Toolchain (without parser) took 786630.58ms. Allocated memory was 358.6MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 333.7MB in the beginning and 12.0GB in the end (delta: -11.6GB). Peak memory consumption was 6.6GB. Max. memory is 16.0GB. [2023-08-25 15:36:44,005 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 358.6MB. Free memory was 336.3MB in the beginning and 336.2MB in the end (delta: 91.6kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 15:36:44,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 538.24ms. Allocated memory is still 358.6MB. Free memory was 333.1MB in the beginning and 304.3MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. [2023-08-25 15:36:44,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.93ms. Allocated memory is still 358.6MB. Free memory was 304.3MB in the beginning and 301.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. [2023-08-25 15:36:44,006 INFO L158 Benchmark]: Boogie Preprocessor took 110.40ms. Allocated memory is still 358.6MB. Free memory was 301.1MB in the beginning and 293.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. [2023-08-25 15:36:44,007 INFO L158 Benchmark]: RCFGBuilder took 227314.68ms. Allocated memory was 358.6MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 293.9MB in the beginning and 13.0GB in the end (delta: -12.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.0GB. [2023-08-25 15:36:44,007 INFO L158 Benchmark]: TraceAbstraction took 558588.35ms. Allocated memory was 16.0GB in the beginning and 16.0GB in the end (delta: 27.3MB). Free memory was 13.0GB in the beginning and 12.0GB in the end (delta: 1.0GB). Peak memory consumption was 3.7GB. Max. memory is 16.0GB. [2023-08-25 15:36:44,010 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 358.6MB. Free memory was 336.3MB in the beginning and 336.2MB in the end (delta: 91.6kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 538.24ms. Allocated memory is still 358.6MB. Free memory was 333.1MB in the beginning and 304.3MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 73.93ms. Allocated memory is still 358.6MB. Free memory was 304.3MB in the beginning and 301.1MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB. * Boogie Preprocessor took 110.40ms. Allocated memory is still 358.6MB. Free memory was 301.1MB in the beginning and 293.9MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.0GB. * RCFGBuilder took 227314.68ms. Allocated memory was 358.6MB in the beginning and 16.0GB in the end (delta: 15.6GB). Free memory was 293.9MB in the beginning and 13.0GB in the end (delta: -12.7GB). Peak memory consumption was 3.7GB. Max. memory is 16.0GB. * TraceAbstraction took 558588.35ms. Allocated memory was 16.0GB in the beginning and 16.0GB in the end (delta: 27.3MB). Free memory was 13.0GB in the beginning and 12.0GB in the end (delta: 1.0GB). Peak memory consumption was 3.7GB. 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 440 places, 433 transitions, 875 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 440 places, 433 transitions, 875 flow and 95424 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 2826 for 49507ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown