/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 -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-complex/bounded_buffer.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-25 02:31:10,195 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-25 02:31:10,280 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 02:31:10,287 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-25 02:31:10,288 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-25 02:31:10,320 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-25 02:31:10,321 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-25 02:31:10,326 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-25 02:31:10,327 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-25 02:31:10,330 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-25 02:31:10,330 INFO L153 SettingsManager]: * Use SBE=true [2023-08-25 02:31:10,331 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-25 02:31:10,331 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-25 02:31:10,332 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-25 02:31:10,332 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-25 02:31:10,332 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-25 02:31:10,333 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-25 02:31:10,333 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-25 02:31:10,333 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-25 02:31:10,333 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-25 02:31:10,334 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-25 02:31:10,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-25 02:31:10,335 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-25 02:31:10,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-25 02:31:10,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-25 02:31:10,336 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-25 02:31:10,336 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-25 02:31:10,336 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:31:10,336 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-25 02:31:10,337 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-25 02:31:10,337 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-25 02:31:10,338 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-25 02:31:10,338 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-25 02:31:10,338 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-25 02:31:10,338 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-25 02:31:10,339 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true [2023-08-25 02:31:10,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-25 02:31:10,638 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-25 02:31:10,640 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-25 02:31:10,641 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-25 02:31:10,642 INFO L274 PluginConnector]: CDTParser initialized [2023-08-25 02:31:10,643 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-25 02:31:11,757 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-25 02:31:12,145 INFO L384 CDTParser]: Found 1 translation units. [2023-08-25 02:31:12,145 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/bounded_buffer.i [2023-08-25 02:31:12,166 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0039f25b2/96dd558db2df42c78400b5acbb5b6826/FLAG8a4df593b [2023-08-25 02:31:12,180 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0039f25b2/96dd558db2df42c78400b5acbb5b6826 [2023-08-25 02:31:12,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-25 02:31:12,187 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-25 02:31:12,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-25 02:31:12,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-25 02:31:12,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-25 02:31:12,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:31:12" (1/1) ... [2023-08-25 02:31:12,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3128e18e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:12, skipping insertion in model container [2023-08-25 02:31:12,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 02:31:12" (1/1) ... [2023-08-25 02:31:12,263 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-25 02:31:12,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:31:12,896 INFO L201 MainTranslator]: Completed pre-run [2023-08-25 02:31:12,909 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [126] [2023-08-25 02:31:12,920 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [572] [2023-08-25 02:31:12,921 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [573] [2023-08-25 02:31:13,013 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-25 02:31:13,148 WARN L669 CHandler]: The function fflush is called, but not defined or handled by StandardFunctionHandler. [2023-08-25 02:31:13,154 INFO L206 MainTranslator]: Completed translation [2023-08-25 02:31:13,155 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13 WrapperNode [2023-08-25 02:31:13,156 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-25 02:31:13,157 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-25 02:31:13,157 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-25 02:31:13,157 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-25 02:31:13,163 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,308 INFO L138 Inliner]: procedures = 428, calls = 127, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 877 [2023-08-25 02:31:13,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-25 02:31:13,309 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-25 02:31:13,309 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-25 02:31:13,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-25 02:31:13,319 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,319 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,402 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,409 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,440 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-25 02:31:13,441 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-25 02:31:13,441 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-25 02:31:13,441 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-25 02:31:13,442 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (1/1) ... [2023-08-25 02:31:13,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-25 02:31:13,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-25 02:31:13,474 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 02:31:13,503 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 02:31:13,518 INFO L130 BoogieDeclarations]: Found specification of procedure producer_routine [2023-08-25 02:31:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure producer_routine [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2023-08-25 02:31:13,519 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-25 02:31:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-25 02:31:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-25 02:31:13,520 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-25 02:31:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-25 02:31:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-25 02:31:13,520 INFO L130 BoogieDeclarations]: Found specification of procedure consumer_routine [2023-08-25 02:31:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure consumer_routine [2023-08-25 02:31:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-25 02:31:13,522 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-25 02:31:13,524 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 02:31:13,726 INFO L236 CfgBuilder]: Building ICFG [2023-08-25 02:31:13,727 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-25 02:31:14,957 INFO L277 CfgBuilder]: Performing block encoding [2023-08-25 02:31:14,975 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-25 02:31:14,976 INFO L302 CfgBuilder]: Removed 11 assume(true) statements. [2023-08-25 02:31:14,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:31:14 BoogieIcfgContainer [2023-08-25 02:31:14,979 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-25 02:31:14,981 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-25 02:31:14,981 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-25 02:31:14,984 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-25 02:31:14,984 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 02:31:12" (1/3) ... [2023-08-25 02:31:14,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677df520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:31:14, skipping insertion in model container [2023-08-25 02:31:14,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 02:31:13" (2/3) ... [2023-08-25 02:31:14,985 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677df520 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 02:31:14, skipping insertion in model container [2023-08-25 02:31:14,985 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 02:31:14" (3/3) ... [2023-08-25 02:31:14,987 INFO L112 eAbstractionObserver]: Analyzing ICFG bounded_buffer.i [2023-08-25 02:31:15,003 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-25 02:31:15,004 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2023-08-25 02:31:15,004 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-25 02:31:15,272 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-08-25 02:31:15,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,135 INFO L124 PetriNetUnfolderBase]: 111/2039 cut-off events. [2023-08-25 02:31:16,136 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-25 02:31:16,218 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2059 conditions, 2039 events. 111/2039 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12845 event pairs, 0 based on Foata normal form. 0/1761 useless extension candidates. Maximal degree in co-relation 1068. Up to 16 conditions per place. [2023-08-25 02:31:16,219 INFO L82 GeneralOperation]: Start removeDead. Operand has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,267 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,271 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-25 02:31:16,286 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,290 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,290 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 916 places, 961 transitions, 1944 flow [2023-08-25 02:31:16,919 INFO L124 PetriNetUnfolderBase]: 111/2039 cut-off events. [2023-08-25 02:31:16,919 INFO L125 PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES. [2023-08-25 02:31:16,990 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2059 conditions, 2039 events. 111/2039 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 12845 event pairs, 0 based on Foata normal form. 0/1761 useless extension candidates. Maximal degree in co-relation 1068. Up to 16 conditions per place. [2023-08-25 02:31:17,248 INFO L119 LiptonReduction]: Number of co-enabled transitions 420600 [2023-08-25 02:31:45,735 WARN L234 SmtUtils]: Spent 6.73s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:31:51,037 WARN L234 SmtUtils]: Spent 5.30s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:31:58,180 WARN L234 SmtUtils]: Spent 7.14s on a formula simplification that was a NOOP. DAG size: 138 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:32:03,418 WARN L234 SmtUtils]: Spent 5.24s on a formula simplification that was a NOOP. DAG size: 132 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:32:50,155 WARN L234 SmtUtils]: Spent 32.84s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:33:12,969 WARN L234 SmtUtils]: Spent 22.81s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:33:43,144 WARN L234 SmtUtils]: Spent 30.17s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:34:06,614 WARN L234 SmtUtils]: Spent 23.47s on a formula simplification that was a NOOP. DAG size: 145 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:38:15,117 WARN L234 SmtUtils]: Spent 4.13m on a formula simplification. DAG size of input: 244 DAG size of output: 237 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:39:54,081 WARN L234 SmtUtils]: Spent 1.65m on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:44:04,433 WARN L234 SmtUtils]: Spent 4.17m on a formula simplification. DAG size of input: 244 DAG size of output: 238 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-25 02:45:48,148 WARN L234 SmtUtils]: Spent 1.73m on a formula simplification that was a NOOP. DAG size: 225 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-25 02:45:50,609 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 02:45:50,712 WARN L266 SmtUtils]: Removed 36 from assertion stack [2023-08-25 02:45:50,713 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 02:45:50,714 INFO L158 Benchmark]: Toolchain (without parser) took 878527.13ms. Allocated memory was 373.3MB in the beginning and 985.7MB in the end (delta: 612.4MB). Free memory was 346.3MB in the beginning and 336.9MB in the end (delta: 9.4MB). Peak memory consumption was 642.4MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,714 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 373.3MB. Free memory was 349.9MB in the beginning and 349.8MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.0GB. [2023-08-25 02:45:50,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 966.83ms. Allocated memory is still 373.3MB. Free memory was 346.3MB in the beginning and 343.8MB in the end (delta: 2.5MB). Peak memory consumption was 67.4MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,715 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.84ms. Allocated memory is still 373.3MB. Free memory was 343.8MB in the beginning and 332.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,716 INFO L158 Benchmark]: Boogie Preprocessor took 131.45ms. Allocated memory is still 373.3MB. Free memory was 332.5MB in the beginning and 322.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,716 INFO L158 Benchmark]: RCFGBuilder took 1537.68ms. Allocated memory was 373.3MB in the beginning and 476.1MB in the end (delta: 102.8MB). Free memory was 322.9MB in the beginning and 383.1MB in the end (delta: -60.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,717 INFO L158 Benchmark]: TraceAbstraction took 875732.36ms. Allocated memory was 476.1MB in the beginning and 985.7MB in the end (delta: 509.6MB). Free memory was 382.0MB in the beginning and 336.9MB in the end (delta: 45.2MB). Peak memory consumption was 574.6MB. Max. memory is 16.0GB. [2023-08-25 02:45:50,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 373.3MB. Free memory was 349.9MB in the beginning and 349.8MB in the end (delta: 77.8kB). There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 966.83ms. Allocated memory is still 373.3MB. Free memory was 346.3MB in the beginning and 343.8MB in the end (delta: 2.5MB). Peak memory consumption was 67.4MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 151.84ms. Allocated memory is still 373.3MB. Free memory was 343.8MB in the beginning and 332.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * Boogie Preprocessor took 131.45ms. Allocated memory is still 373.3MB. Free memory was 332.5MB in the beginning and 322.9MB in the end (delta: 9.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.0GB. * RCFGBuilder took 1537.68ms. Allocated memory was 373.3MB in the beginning and 476.1MB in the end (delta: 102.8MB). Free memory was 322.9MB in the beginning and 383.1MB in the end (delta: -60.2MB). Peak memory consumption was 44.4MB. Max. memory is 16.0GB. * TraceAbstraction took 875732.36ms. Allocated memory was 476.1MB in the beginning and 985.7MB in the end (delta: 509.6MB). Free memory was 382.0MB in the beginning and 336.9MB in the end (delta: 45.2MB). Peak memory consumption was 574.6MB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 126]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [126] - GenericResultAtLocation [Line: 572]: Unsoundness Warning unspecified type, defaulting to int C: short [572] - GenericResultAtLocation [Line: 573]: Unsoundness Warning unspecified type, defaulting to int C: short [573] * 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 916 places, 961 transitions, 1944 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 916 places, 961 transitions, 1944 flow and 172932 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 180 for 2556ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown