/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.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-dev-ac9dbd0-m [2023-08-26 21:31:49,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-08-26 21:31:49,561 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf [2023-08-26 21:31:49,564 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-08-26 21:31:49,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-08-26 21:31:49,579 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-08-26 21:31:49,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-08-26 21:31:49,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-08-26 21:31:49,580 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-08-26 21:31:49,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-08-26 21:31:49,583 INFO L153 SettingsManager]: * Use SBE=true [2023-08-26 21:31:49,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-08-26 21:31:49,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * sizeof long=4 [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-08-26 21:31:49,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-08-26 21:31:49,586 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-08-26 21:31:49,586 INFO L153 SettingsManager]: * sizeof long double=12 [2023-08-26 21:31:49,586 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-08-26 21:31:49,587 INFO L153 SettingsManager]: * Use constant arrays=true [2023-08-26 21:31:49,587 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-08-26 21:31:49,587 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-08-26 21:31:49,587 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-08-26 21:31:49,587 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-08-26 21:31:49,587 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:31:49,588 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-08-26 21:31:49,588 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-08-26 21:31:49,589 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-08-26 21:31:49,589 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-08-26 21:31:49,589 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-08-26 21:31:49,589 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-08-26 21:31:49,589 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-08-26 21:31:49,590 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2023-08-26 21:31:49,870 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-08-26 21:31:49,884 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-08-26 21:31:49,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-08-26 21:31:49,886 INFO L270 PluginConnector]: Initializing CDTParser... [2023-08-26 21:31:49,888 INFO L274 PluginConnector]: CDTParser initialized [2023-08-26 21:31:49,889 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-26 21:31:50,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-08-26 21:31:51,163 INFO L384 CDTParser]: Found 1 translation units. [2023-08-26 21:31:51,164 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-complex/elimination_backoff_stack.i [2023-08-26 21:31:51,184 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bcaa7c3/10cd23ba2a6f49e7841c5ff453e9d0fa/FLAGeef7f88a7 [2023-08-26 21:31:51,198 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15bcaa7c3/10cd23ba2a6f49e7841c5ff453e9d0fa [2023-08-26 21:31:51,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-08-26 21:31:51,203 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-08-26 21:31:51,207 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-08-26 21:31:51,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-08-26 21:31:51,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-08-26 21:31:51,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:51,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74f40539 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51, skipping insertion in model container [2023-08-26 21:31:51,210 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:51,258 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-08-26 21:31:51,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:51,706 INFO L201 MainTranslator]: Completed pre-run [2023-08-26 21:31:51,718 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [113] [2023-08-26 21:31:51,732 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [559] [2023-08-26 21:31:51,733 WARN L75 lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [560] [2023-08-26 21:31:51,767 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-08-26 21:31:51,847 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 21:31:51,847 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-08-26 21:31:51,852 INFO L206 MainTranslator]: Completed translation [2023-08-26 21:31:51,852 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51 WrapperNode [2023-08-26 21:31:51,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-08-26 21:31:51,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:51,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-08-26 21:31:51,853 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-08-26 21:31:51,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:51,884 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,005 INFO L138 Inliner]: procedures = 397, calls = 215, calls flagged for inlining = 53, calls inlined = 218, statements flattened = 3878 [2023-08-26 21:31:52,005 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-08-26 21:31:52,006 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-08-26 21:31:52,006 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-08-26 21:31:52,006 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-08-26 21:31:52,012 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,012 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,030 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,030 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,092 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,100 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,121 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-08-26 21:31:52,122 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-08-26 21:31:52,122 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-08-26 21:31:52,122 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-08-26 21:31:52,123 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (1/1) ... [2023-08-26 21:31:52,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-08-26 21:31:52,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-08-26 21:31:52,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-08-26 21:31:52,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-08-26 21:31:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-08-26 21:31:52,205 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-08-26 21:31:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-08-26 21:31:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-08-26 21:31:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-08-26 21:31:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-08-26 21:31:52,206 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush2 [2023-08-26 21:31:52,206 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush2 [2023-08-26 21:31:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush1 [2023-08-26 21:31:52,207 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush1 [2023-08-26 21:31:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure instrPush0 [2023-08-26 21:31:52,207 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPush0 [2023-08-26 21:31:52,207 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-08-26 21:31:52,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-08-26 21:31:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-08-26 21:31:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-08-26 21:31:52,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop5 [2023-08-26 21:31:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop5 [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop6 [2023-08-26 21:31:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop6 [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop3 [2023-08-26 21:31:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop3 [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure instrPop4 [2023-08-26 21:31:52,209 INFO L138 BoogieDeclarations]: Found implementation of procedure instrPop4 [2023-08-26 21:31:52,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-08-26 21:31:52,212 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-08-26 21:31:52,477 INFO L236 CfgBuilder]: Building ICFG [2023-08-26 21:31:52,478 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-08-26 21:31:54,864 INFO L277 CfgBuilder]: Performing block encoding [2023-08-26 21:31:56,705 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-08-26 21:31:56,705 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-08-26 21:31:56,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:56 BoogieIcfgContainer [2023-08-26 21:31:56,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-08-26 21:31:56,709 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-08-26 21:31:56,710 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-08-26 21:31:56,712 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-08-26 21:31:56,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.08 09:31:51" (1/3) ... [2023-08-26 21:31:56,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d4a2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:56, skipping insertion in model container [2023-08-26 21:31:56,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.08 09:31:51" (2/3) ... [2023-08-26 21:31:56,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@42d4a2cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.08 09:31:56, skipping insertion in model container [2023-08-26 21:31:56,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.08 09:31:56" (3/3) ... [2023-08-26 21:31:56,713 INFO L112 eAbstractionObserver]: Analyzing ICFG elimination_backoff_stack.i [2023-08-26 21:31:56,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-08-26 21:31:56,726 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 91 error locations. [2023-08-26 21:31:56,726 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-08-26 21:31:57,450 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-08-26 21:31:57,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2300 places, 2425 transitions, 4885 flow [2023-08-26 21:31:59,502 INFO L124 PetriNetUnfolderBase]: 147/2418 cut-off events. [2023-08-26 21:31:59,502 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 21:31:59,612 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. [2023-08-26 21:31:59,613 INFO L82 GeneralOperation]: Start removeDead. Operand has 2300 places, 2425 transitions, 4885 flow [2023-08-26 21:31:59,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 2293 places, 2418 transitions, 4857 flow [2023-08-26 21:31:59,672 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-08-26 21:31:59,678 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 2293 places, 2418 transitions, 4857 flow [2023-08-26 21:31:59,680 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 2293 places, 2418 transitions, 4857 flow [2023-08-26 21:31:59,680 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 2293 places, 2418 transitions, 4857 flow [2023-08-26 21:32:01,371 INFO L124 PetriNetUnfolderBase]: 147/2418 cut-off events. [2023-08-26 21:32:01,371 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-08-26 21:32:01,476 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. [2023-08-26 21:32:02,271 INFO L119 LiptonReduction]: Number of co-enabled transitions 4703800 [2023-08-26 21:32:17,010 WARN L234 SmtUtils]: Spent 11.59s 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) [2023-08-26 21:32:22,592 WARN L234 SmtUtils]: Spent 5.58s 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) [2023-08-26 21:32:36,802 WARN L234 SmtUtils]: Spent 14.21s 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) [2023-08-26 21:32:43,581 WARN L234 SmtUtils]: Spent 6.78s 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) [2023-08-26 21:33:01,921 WARN L234 SmtUtils]: Spent 11.54s 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) [2023-08-26 21:33:07,718 WARN L234 SmtUtils]: Spent 5.80s 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) [2023-08-26 21:33:21,602 WARN L234 SmtUtils]: Spent 13.88s 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) [2023-08-26 21:33:28,106 WARN L234 SmtUtils]: Spent 6.50s 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) [2023-08-26 21:33:39,239 WARN L234 SmtUtils]: Spent 11.11s 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) [2023-08-26 21:33:45,095 WARN L234 SmtUtils]: Spent 5.85s 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) [2023-08-26 21:33:58,069 WARN L234 SmtUtils]: Spent 12.97s 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) [2023-08-26 21:34:04,415 WARN L234 SmtUtils]: Spent 6.34s 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) [2023-08-26 21:34:28,322 WARN L234 SmtUtils]: Spent 10.59s 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) [2023-08-26 21:34:34,409 WARN L234 SmtUtils]: Spent 6.09s 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) [2023-08-26 21:34:48,601 WARN L234 SmtUtils]: Spent 14.19s 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) [2023-08-26 21:34:55,238 WARN L234 SmtUtils]: Spent 6.63s 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) [2023-08-26 21:35:08,715 WARN L234 SmtUtils]: Spent 11.34s 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) [2023-08-26 21:35:15,614 WARN L234 SmtUtils]: Spent 6.90s 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) [2023-08-26 21:35:28,116 WARN L234 SmtUtils]: Spent 12.50s 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) [2023-08-26 21:35:35,096 WARN L234 SmtUtils]: Spent 6.98s 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) [2023-08-26 21:35:48,981 WARN L234 SmtUtils]: Spent 11.39s 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) [2023-08-26 21:36:06,487 WARN L234 SmtUtils]: Spent 12.81s 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) [2023-08-26 21:36:13,810 WARN L234 SmtUtils]: Spent 7.32s 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) [2023-08-26 21:36:29,752 WARN L234 SmtUtils]: Spent 6.34s 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) [2023-08-26 21:36:36,343 WARN L234 SmtUtils]: Spent 6.59s 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) [2023-08-26 21:36:42,607 WARN L234 SmtUtils]: Spent 6.26s 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) [2023-08-26 21:36:48,785 WARN L234 SmtUtils]: Spent 6.18s 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) [2023-08-26 21:37:03,893 WARN L234 SmtUtils]: Spent 5.34s 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) [2023-08-26 21:37:09,914 WARN L234 SmtUtils]: Spent 6.02s 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) [2023-08-26 21:37:16,280 WARN L234 SmtUtils]: Spent 6.37s 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) [2023-08-26 21:37:32,420 WARN L234 SmtUtils]: Spent 12.13s 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) [2023-08-26 21:37:37,666 WARN L234 SmtUtils]: Spent 5.24s 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) [2023-08-26 21:37:52,808 WARN L234 SmtUtils]: Spent 15.14s 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) [2023-08-26 21:37:59,278 WARN L234 SmtUtils]: Spent 6.47s 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) [2023-08-26 21:38:10,890 WARN L234 SmtUtils]: Spent 5.73s 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) [2023-08-26 21:38:17,074 WARN L234 SmtUtils]: Spent 6.18s 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) [2023-08-26 21:38:23,590 WARN L234 SmtUtils]: Spent 6.51s 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) [2023-08-26 21:38:31,587 WARN L234 SmtUtils]: Spent 8.00s 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) [2023-08-26 21:38:42,336 WARN L234 SmtUtils]: Spent 5.34s 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) [2023-08-26 21:38:48,575 WARN L234 SmtUtils]: Spent 6.24s 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) [2023-08-26 21:38:56,412 WARN L234 SmtUtils]: Spent 7.83s 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) [2023-08-26 21:39:03,953 WARN L234 SmtUtils]: Spent 7.54s 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) [2023-08-26 21:39:12,535 WARN L234 SmtUtils]: Spent 5.55s 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) [2023-08-26 21:39:17,607 WARN L234 SmtUtils]: Spent 5.07s 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) [2023-08-26 21:39:24,631 WARN L234 SmtUtils]: Spent 7.02s 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) [2023-08-26 21:39:32,179 WARN L234 SmtUtils]: Spent 7.54s 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) [2023-08-26 21:39:41,494 WARN L234 SmtUtils]: Spent 5.44s 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) [2023-08-26 21:39:47,242 WARN L234 SmtUtils]: Spent 5.75s 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) [2023-08-26 21:39:54,891 WARN L234 SmtUtils]: Spent 7.65s 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) [2023-08-26 21:40:01,628 WARN L234 SmtUtils]: Spent 6.74s 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) [2023-08-26 21:40:07,934 WARN L234 SmtUtils]: Spent 5.74s 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) [2023-08-26 21:40:14,113 WARN L234 SmtUtils]: Spent 6.18s 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) [2023-08-26 21:40:21,797 WARN L234 SmtUtils]: Spent 7.68s 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) [2023-08-26 21:40:29,282 WARN L234 SmtUtils]: Spent 7.48s 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) [2023-08-26 21:40:44,060 WARN L234 SmtUtils]: Spent 10.50s 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) [2023-08-26 21:40:50,431 WARN L234 SmtUtils]: Spent 6.37s 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) [2023-08-26 21:41:03,886 WARN L234 SmtUtils]: Spent 13.45s 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) [2023-08-26 21:41:10,822 WARN L234 SmtUtils]: Spent 6.93s 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) [2023-08-26 21:41:23,823 WARN L234 SmtUtils]: Spent 6.73s 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) [2023-08-26 21:41:29,432 WARN L234 SmtUtils]: Spent 5.61s 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) [2023-08-26 21:41:37,081 WARN L234 SmtUtils]: Spent 7.65s 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) [2023-08-26 21:41:44,347 WARN L234 SmtUtils]: Spent 7.26s 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) [2023-08-26 21:42:05,367 WARN L234 SmtUtils]: Spent 17.06s 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) [2023-08-26 21:42:10,391 WARN L234 SmtUtils]: Spent 5.02s on a formula simplification that was a NOOP. DAG size: 276 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-08-26 21:42:28,883 WARN L234 SmtUtils]: Spent 18.49s 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) [2023-08-26 21:42:45,754 WARN L234 SmtUtils]: Spent 5.62s 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) [2023-08-26 21:42:51,663 WARN L234 SmtUtils]: Spent 5.91s 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) [2023-08-26 21:42:58,870 WARN L234 SmtUtils]: Spent 7.20s 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) [2023-08-26 21:43:06,310 WARN L234 SmtUtils]: Spent 7.44s 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) [2023-08-26 21:43:14,743 WARN L234 SmtUtils]: Spent 5.68s 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) [2023-08-26 21:43:26,815 WARN L234 SmtUtils]: Spent 7.36s 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) [2023-08-26 21:43:34,647 WARN L234 SmtUtils]: Spent 7.83s 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) [2023-08-26 21:43:41,971 WARN L234 SmtUtils]: Spent 5.48s 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) [2023-08-26 21:43:48,198 WARN L234 SmtUtils]: Spent 6.23s 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) [2023-08-26 21:43:55,738 WARN L234 SmtUtils]: Spent 7.54s 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) [2023-08-26 21:44:03,077 WARN L234 SmtUtils]: Spent 7.34s 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) [2023-08-26 21:44:15,785 WARN L234 SmtUtils]: Spent 11.00s 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) [2023-08-26 21:44:39,504 WARN L234 SmtUtils]: Spent 19.12s 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) [2023-08-26 21:44:51,829 WARN L234 SmtUtils]: Spent 5.38s 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) [2023-08-26 21:44:59,409 WARN L234 SmtUtils]: Spent 5.92s 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) [2023-08-26 21:45:05,482 WARN L234 SmtUtils]: Spent 6.07s 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) [2023-08-26 21:45:12,953 WARN L234 SmtUtils]: Spent 7.47s 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) [2023-08-26 21:45:20,744 WARN L234 SmtUtils]: Spent 7.79s 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) [2023-08-26 21:45:26,109 WARN L234 SmtUtils]: Spent 5.36s 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) [2023-08-26 21:45:32,883 WARN L234 SmtUtils]: Spent 6.77s 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) [2023-08-26 21:45:39,867 WARN L234 SmtUtils]: Spent 6.98s 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) [2023-08-26 21:45:47,470 WARN L234 SmtUtils]: Spent 7.60s 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) [2023-08-26 21:45:59,655 WARN L234 SmtUtils]: Spent 5.73s 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) [2023-08-26 21:46:06,681 WARN L234 SmtUtils]: Spent 7.02s 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) [2023-08-26 21:46:15,482 WARN L234 SmtUtils]: Spent 8.80s 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) [2023-08-26 21:46:22,632 WARN L234 SmtUtils]: Spent 7.15s 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) [2023-08-26 21:46:28,406 WARN L234 SmtUtils]: Spent 5.77s on a formula simplification that was a NOOP. DAG size: 280 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) Received shutdown request... [2023-08-26 21:46:29,090 WARN L266 SmtUtils]: Removed 15 from assertion stack [2023-08-26 21:46:29,091 INFO L257 ToolchainWalker]: Toolchain cancelled while executing plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction. Reason: Timeout or Toolchain cancelled by user [2023-08-26 21:46:29,092 INFO L158 Benchmark]: Toolchain (without parser) took 877888.54ms. Allocated memory was 394.3MB in the beginning and 7.0GB in the end (delta: 6.6GB). Free memory was 364.5MB in the beginning and 5.4GB in the end (delta: -5.1GB). Peak memory consumption was 2.2GB. Max. memory is 16.0GB. [2023-08-26 21:46:29,092 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 370.6MB. There was no memory consumed. Max. memory is 16.0GB. [2023-08-26 21:46:29,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 646.05ms. Allocated memory is still 394.3MB. Free memory was 364.0MB in the beginning and 365.4MB in the end (delta: -1.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.0GB. [2023-08-26 21:46:29,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 152.06ms. Allocated memory is still 394.3MB. Free memory was 365.4MB in the beginning and 346.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 21:46:29,095 INFO L158 Benchmark]: Boogie Preprocessor took 115.40ms. Allocated memory is still 394.3MB. Free memory was 346.5MB in the beginning and 328.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. [2023-08-26 21:46:29,096 INFO L158 Benchmark]: RCFGBuilder took 4586.22ms. Allocated memory was 394.3MB in the beginning and 1.1GB in the end (delta: 666.9MB). Free memory was 328.6MB in the beginning and 810.6MB in the end (delta: -482.0MB). Peak memory consumption was 256.7MB. Max. memory is 16.0GB. [2023-08-26 21:46:29,096 INFO L158 Benchmark]: TraceAbstraction took 872381.73ms. Allocated memory was 1.1GB in the beginning and 7.0GB in the end (delta: 6.0GB). Free memory was 810.6MB in the beginning and 5.4GB in the end (delta: -4.6GB). Peak memory consumption was 2.0GB. Max. memory is 16.0GB. [2023-08-26 21:46:29,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 394.3MB. Free memory is still 370.6MB. There was no memory consumed. Max. memory is 16.0GB. * CACSL2BoogieTranslator took 646.05ms. Allocated memory is still 394.3MB. Free memory was 364.0MB in the beginning and 365.4MB in the end (delta: -1.4MB). Peak memory consumption was 54.8MB. Max. memory is 16.0GB. * Boogie Procedure Inliner took 152.06ms. Allocated memory is still 394.3MB. Free memory was 365.4MB in the beginning and 346.5MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * Boogie Preprocessor took 115.40ms. Allocated memory is still 394.3MB. Free memory was 346.5MB in the beginning and 328.6MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.0GB. * RCFGBuilder took 4586.22ms. Allocated memory was 394.3MB in the beginning and 1.1GB in the end (delta: 666.9MB). Free memory was 328.6MB in the beginning and 810.6MB in the end (delta: -482.0MB). Peak memory consumption was 256.7MB. Max. memory is 16.0GB. * TraceAbstraction took 872381.73ms. Allocated memory was 1.1GB in the beginning and 7.0GB in the end (delta: 6.0GB). Free memory was 810.6MB in the beginning and 5.4GB in the end (delta: -4.6GB). Peak memory consumption was 2.0GB. 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 SimplifyDDAWithTimeout was simplifying term of DAG size 278 for 681ms.. RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown