/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.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-27 10:21:42,919 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-27 10:21:42,988 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 [2023-08-27 10:21:42,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-27 10:21:42,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-27 10:21:43,024 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-27 10:21:43,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-27 10:21:43,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-27 10:21:43,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-27 10:21:43,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-27 10:21:43,031 INFO L153 SettingsManager]: * Use SBE=true [2023-08-27 10:21:43,031 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-27 10:21:43,031 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-27 10:21:43,031 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-27 10:21:43,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-27 10:21:43,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-27 10:21:43,034 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-27 10:21:43,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 10:21:43,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-27 10:21:43,035 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-27 10:21:43,035 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-27 10:21:43,035 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-27 10:21:43,035 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-27 10:21:43,035 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-27 10:21:43,036 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-27 10:21:43,036 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> PROGRAM_FIRST Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-27 10:21:43,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-27 10:21:43,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-27 10:21:43,300 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-27 10:21:43,301 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-27 10:21:43,301 INFO L274 PluginConnector]: CDTParser initialized [2023-08-27 10:21:43,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-27 10:21:44,298 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-27 10:21:44,584 INFO L384 CDTParser]: Found 1 translation units. [2023-08-27 10:21:44,585 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-27 10:21:44,599 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0784362ea/ed767eb1ed214602a089c14945e8d8f9/FLAG6cfaeefee [2023-08-27 10:21:44,608 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0784362ea/ed767eb1ed214602a089c14945e8d8f9 [2023-08-27 10:21:44,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-27 10:21:44,611 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-27 10:21:44,611 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-27 10:21:44,611 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-27 10:21:44,613 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-27 10:21:44,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:21:44" (1/1) ... [2023-08-27 10:21:44,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e7f9789 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:44, skipping insertion in model container [2023-08-27 10:21:44,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.08 10:21:44" (1/1) ... [2023-08-27 10:21:44,661 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-27 10:21:45,126 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 10:21:45,138 INFO L201 MainTranslator]: Completed pre-run [2023-08-27 10:21:45,148 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [113] [2023-08-27 10:21:45,167 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [559] [2023-08-27 10:21:45,168 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [560] [2023-08-27 10:21:45,208 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-27 10:21:45,317 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 10:21:45,317 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-27 10:21:45,324 INFO L206 MainTranslator]: Completed translation [2023-08-27 10:21:45,325 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45 WrapperNode [2023-08-27 10:21:45,325 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-27 10:21:45,326 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-27 10:21:45,326 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-27 10:21:45,326 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-27 10:21:45,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,497 INFO L138 Inliner]: procedures = 397, calls = 215, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3878 [2023-08-27 10:21:45,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-27 10:21:45,498 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-27 10:21:45,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-27 10:21:45,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-27 10:21:45,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,534 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,603 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,619 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,631 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,648 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,664 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-27 10:21:45,665 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-27 10:21:45,665 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-27 10:21:45,665 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-27 10:21:45,666 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (1/1) ... [2023-08-27 10:21:45,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-27 10:21:45,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-27 10:21:45,692 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) [2023-08-27 10:21:45,729 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 [2023-08-27 10:21:45,748 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-27 10:21:45,749 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-27 10:21:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-27 10:21:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-27 10:21:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-27 10:21:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-27 10:21:45,752 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-27 10:21:45,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-27 10:21:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-27 10:21:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-27 10:21:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-27 10:21:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-27 10:21:45,753 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-27 10:21:45,753 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-27 10:21:45,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-27 10:21:45,756 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-27 10:21:46,066 INFO L236 CfgBuilder]: Building ICFG [2023-08-27 10:21:46,067 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-27 10:21:48,130 INFO L277 CfgBuilder]: Performing block encoding [2023-08-27 10:21:49,670 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-27 10:21:49,670 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-27 10:21:49,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:21:49 BoogieIcfgContainer [2023-08-27 10:21:49,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-27 10:21:49,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-27 10:21:49,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-27 10:21:49,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-27 10:21:49,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.08 10:21:44" (1/3) ... [2023-08-27 10:21:49,677 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262ed3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:21:49, skipping insertion in model container [2023-08-27 10:21:49,677 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.08 10:21:45" (2/3) ... [2023-08-27 10:21:49,678 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@262ed3db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.08 10:21:49, skipping insertion in model container [2023-08-27 10:21:49,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.08 10:21:49" (3/3) ... [2023-08-27 10:21:49,678 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-27 10:21:49,689 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-27 10:21:49,690 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2023-08-27 10:21:49,690 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-27 10:21:50,372 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-27 10:21:50,437 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2300 places, 2425 transitions, 4885 flow [2023-08-27 10:21:52,835 INFO L124 PetriNetUnfolderBase]: 147/2418 cut-off events. [2023-08-27 10:21:52,835 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 10:21:52,953 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2440 conditions, 2418 events. 147/2418 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 16507 event pairs, 0 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 2367. Up to 6 conditions per place. [2023-08-27 10:21:52,953 INFO L82 GeneralOperation]: Start removeDead. Operand has 2300 places, 2425 transitions, 4885 flow [2023-08-27 10:21:53,014 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2293 places, 2418 transitions, 4857 flow [2023-08-27 10:21:53,017 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-27 10:21:53,023 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2293 places, 2418 transitions, 4857 flow [2023-08-27 10:21:53,025 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2293 places, 2418 transitions, 4857 flow [2023-08-27 10:21:53,025 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2293 places, 2418 transitions, 4857 flow [2023-08-27 10:21:55,049 INFO L124 PetriNetUnfolderBase]: 147/2418 cut-off events. [2023-08-27 10:21:55,049 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-27 10:21:55,228 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2440 conditions, 2418 events. 147/2418 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 16490 event pairs, 0 based on Foata normal form. 0/2180 useless extension candidates. Maximal degree in co-relation 2367. Up to 6 conditions per place. [2023-08-27 10:21:56,104 INFO L119 LiptonReduction]: Number of co-enabled transitions 4703800 [2023-08-27 10:22:10,856 WARN L234 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:22:16,380 WARN L234 SmtUtils]: Spent 5.52s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:22:30,512 WARN L234 SmtUtils]: Spent 14.13s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:22:37,252 WARN L234 SmtUtils]: Spent 6.74s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:22:55,348 WARN L234 SmtUtils]: Spent 11.05s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:00,849 WARN L234 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:13,938 WARN L234 SmtUtils]: Spent 13.08s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:20,123 WARN L234 SmtUtils]: Spent 6.18s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:31,032 WARN L234 SmtUtils]: Spent 10.89s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:36,842 WARN L234 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:49,684 WARN L234 SmtUtils]: Spent 12.84s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:23:55,980 WARN L234 SmtUtils]: Spent 6.29s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:24:20,649 WARN L234 SmtUtils]: Spent 10.47s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:24:26,661 WARN L234 SmtUtils]: Spent 6.01s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:24:40,700 WARN L234 SmtUtils]: Spent 14.04s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:24:47,279 WARN L234 SmtUtils]: Spent 6.58s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:00,679 WARN L234 SmtUtils]: Spent 11.29s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:07,557 WARN L234 SmtUtils]: Spent 6.88s on a formula simplification that was a NOOP. DAG size: 296 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:19,970 WARN L234 SmtUtils]: Spent 12.41s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:26,918 WARN L234 SmtUtils]: Spent 6.95s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:40,853 WARN L234 SmtUtils]: Spent 11.67s on a formula simplification. DAG size of input: 306 DAG size of output: 299 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:25:59,126 WARN L234 SmtUtils]: Spent 13.39s on a formula simplification. DAG size of input: 330 DAG size of output: 323 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:06,752 WARN L234 SmtUtils]: Spent 7.62s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:23,551 WARN L234 SmtUtils]: Spent 6.47s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:30,126 WARN L234 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:36,500 WARN L234 SmtUtils]: Spent 6.37s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:42,809 WARN L234 SmtUtils]: Spent 6.31s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:26:58,069 WARN L234 SmtUtils]: Spent 5.49s on a formula simplification that was a NOOP. DAG size: 298 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:27:04,406 WARN L234 SmtUtils]: Spent 6.33s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:27:11,010 WARN L234 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 322 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:27:26,117 WARN L234 SmtUtils]: Spent 11.76s on a formula simplification. DAG size of input: 309 DAG size of output: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:27:45,532 WARN L234 SmtUtils]: Spent 14.43s on a formula simplification. DAG size of input: 333 DAG size of output: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:27:51,850 WARN L234 SmtUtils]: Spent 6.32s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:03,909 WARN L234 SmtUtils]: Spent 5.80s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:10,322 WARN L234 SmtUtils]: Spent 6.41s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:17,074 WARN L234 SmtUtils]: Spent 6.75s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:24,965 WARN L234 SmtUtils]: Spent 7.89s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:35,386 WARN L234 SmtUtils]: Spent 5.18s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:41,501 WARN L234 SmtUtils]: Spent 6.11s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:49,146 WARN L234 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:28:56,474 WARN L234 SmtUtils]: Spent 7.33s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:05,121 WARN L234 SmtUtils]: Spent 5.67s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:10,337 WARN L234 SmtUtils]: Spent 5.22s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:17,592 WARN L234 SmtUtils]: Spent 7.25s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:25,433 WARN L234 SmtUtils]: Spent 7.84s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:35,003 WARN L234 SmtUtils]: Spent 5.53s on a formula simplification that was a NOOP. DAG size: 305 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:40,660 WARN L234 SmtUtils]: Spent 5.66s on a formula simplification that was a NOOP. DAG size: 302 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:48,180 WARN L234 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 329 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:29:54,818 WARN L234 SmtUtils]: Spent 6.64s on a formula simplification that was a NOOP. DAG size: 326 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:00,997 WARN L234 SmtUtils]: Spent 5.61s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:07,100 WARN L234 SmtUtils]: Spent 6.10s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:14,591 WARN L234 SmtUtils]: Spent 7.49s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:21,950 WARN L234 SmtUtils]: Spent 7.36s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:36,742 WARN L234 SmtUtils]: Spent 10.33s on a formula simplification. DAG size of input: 304 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:43,027 WARN L234 SmtUtils]: Spent 6.28s on a formula simplification that was a NOOP. DAG size: 300 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:30:56,264 WARN L234 SmtUtils]: Spent 13.23s on a formula simplification. DAG size of input: 328 DAG size of output: 324 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:03,109 WARN L234 SmtUtils]: Spent 6.84s on a formula simplification that was a NOOP. DAG size: 324 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:16,412 WARN L234 SmtUtils]: Spent 6.60s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:21,965 WARN L234 SmtUtils]: Spent 5.55s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:29,514 WARN L234 SmtUtils]: Spent 7.55s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:36,714 WARN L234 SmtUtils]: Spent 7.20s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:31:57,484 WARN L234 SmtUtils]: Spent 16.76s on a formula simplification. DAG size of input: 307 DAG size of output: 279 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:32:20,643 WARN L234 SmtUtils]: Spent 18.26s on a formula simplification. DAG size of input: 331 DAG size of output: 300 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:32:37,857 WARN L234 SmtUtils]: Spent 5.82s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:32:44,045 WARN L234 SmtUtils]: Spent 6.19s on a formula simplification that was a NOOP. DAG size: 306 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:32:51,644 WARN L234 SmtUtils]: Spent 7.60s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:32:59,472 WARN L234 SmtUtils]: Spent 7.83s on a formula simplification that was a NOOP. DAG size: 330 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:07,987 WARN L234 SmtUtils]: Spent 5.83s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:20,311 WARN L234 SmtUtils]: Spent 7.66s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:28,514 WARN L234 SmtUtils]: Spent 8.20s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:36,090 WARN L234 SmtUtils]: Spent 5.73s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:42,659 WARN L234 SmtUtils]: Spent 6.57s on a formula simplification that was a NOOP. DAG size: 320 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:50,108 WARN L234 SmtUtils]: Spent 7.45s on a formula simplification that was a NOOP. DAG size: 344 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:33:57,347 WARN L234 SmtUtils]: Spent 7.24s on a formula simplification that was a NOOP. DAG size: 344 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:34:09,976 WARN L234 SmtUtils]: Spent 10.83s on a formula simplification. DAG size of input: 305 DAG size of output: 277 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:34:33,491 WARN L234 SmtUtils]: Spent 18.96s on a formula simplification. DAG size of input: 329 DAG size of output: 298 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:34:45,709 WARN L234 SmtUtils]: Spent 5.32s on a formula simplification. DAG size of input: 334 DAG size of output: 255 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:34:53,138 WARN L234 SmtUtils]: Spent 5.85s on a formula simplification that was a NOOP. DAG size: 316 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:34:59,166 WARN L234 SmtUtils]: Spent 6.03s on a formula simplification that was a NOOP. DAG size: 316 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:06,581 WARN L234 SmtUtils]: Spent 7.41s on a formula simplification that was a NOOP. DAG size: 340 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:14,330 WARN L234 SmtUtils]: Spent 7.75s on a formula simplification that was a NOOP. DAG size: 340 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:19,644 WARN L234 SmtUtils]: Spent 5.31s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:26,406 WARN L234 SmtUtils]: Spent 6.76s on a formula simplification that was a NOOP. DAG size: 310 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:33,326 WARN L234 SmtUtils]: Spent 6.92s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:40,851 WARN L234 SmtUtils]: Spent 7.52s on a formula simplification that was a NOOP. DAG size: 334 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:35:55,179 WARN L234 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 325 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:36:02,516 WARN L234 SmtUtils]: Spent 7.34s on a formula simplification that was a NOOP. DAG size: 325 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:36:11,840 WARN L234 SmtUtils]: Spent 9.32s on a formula simplification that was a NOOP. DAG size: 349 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-27 10:36:19,306 WARN L234 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 349 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-27 10:36:20,836 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 [2023-08-27 10:36:20,887 WARN L266 SmtUtils]: Removed 26 from assertion stack [2023-08-27 10:36:20,888 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-27 10:36:20,889 INFO L158 Benchmark]: Toolchain (without parser) took 876278.17ms. Allocated memory was 327.2MB in the beginning and 4.9GB in the end (delta: 4.6GB). Free memory was 300.8MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 2.8GB. Max. memory is 16.0GB. [2023-08-27 10:36:20,889 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 327.2MB. Free memory is still 303.2MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-27 10:36:20,889 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.87ms. Allocated memory is still 327.2MB. Free memory was 300.3MB in the beginning and 292.5MB in the end (delta: 7.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.0GB. [2023-08-27 10:36:20,890 INFO L158 Benchmark]: Boogie Procedure Inliner took 171.35ms. Allocated memory is still 327.2MB. Free memory was 292.5MB in the beginning and 274.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 10:36:20,890 INFO L158 Benchmark]: Boogie Preprocessor took 165.84ms. Allocated memory is still 327.2MB. Free memory was 274.0MB in the beginning and 256.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-27 10:36:20,890 INFO L158 Benchmark]: RCFGBuilder took 4008.39ms. Allocated memory was 327.2MB in the beginning and 562.0MB in the end (delta: 234.9MB). Free memory was 256.0MB in the beginning and 316.6MB in the end (delta: -60.6MB). Peak memory consumption was 319.8MB. Max. memory is 16.0GB. [2023-08-27 10:36:20,891 INFO L158 Benchmark]: TraceAbstraction took 871213.65ms. Allocated memory was 562.0MB in the beginning and 4.9GB in the end (delta: 4.4GB). Free memory was 316.6MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. [2023-08-27 10:36:20,892 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 327.2MB. Free memory is still 303.2MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 713.87ms. Allocated memory is still 327.2MB. Free memory was 300.3MB in the beginning and 292.5MB in the end (delta: 7.9MB). Peak memory consumption was 46.0MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 171.35ms. Allocated memory is still 327.2MB. Free memory was 292.5MB in the beginning and 274.0MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Preprocessor took 165.84ms. Allocated memory is still 327.2MB. Free memory was 274.0MB in the beginning and 256.0MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * RCFGBuilder took 4008.39ms. Allocated memory was 327.2MB in the beginning and 562.0MB in the end (delta: 234.9MB). Free memory was 256.0MB in the beginning and 316.6MB in the end (delta: -60.6MB). Peak memory consumption was 319.8MB. Max. memory is 16.0GB. * TraceAbstraction took 871213.65ms. Allocated memory was 562.0MB in the beginning and 4.9GB in the end (delta: 4.4GB). Free memory was 316.6MB in the beginning and 3.0GB in the end (delta: -2.7GB). Peak memory consumption was 2.5GB. Max. memory is 16.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 113]: Unsoundness Warning unspecified type, defaulting to int C: unsigned short [113] - GenericResultAtLocation [Line: 559]: Unsoundness Warning unspecified type, defaulting to int C: short [559] - GenericResultAtLocation [Line: 560]: Unsoundness Warning unspecified type, defaulting to int C: short [560] * 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 2293 places, 2418 transitions, 4857 flow,while LiptonReduction was applying LiptonReduction to Petri net that has 2293 places, 2418 transitions, 4857 flow and 526414 co-enabled transitions pairs.,while TransFormulaUtils was doing sequential composition of 2 TransFormulas,while SimplifyDDAWithTimeout was simplifying term of DAG size 280 for 1575ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown