/usr/bin/java -Xmx8000000000 -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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 03:36:51,351 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 03:36:51,354 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 03:36:51,390 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 03:36:51,390 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 03:36:51,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 03:36:51,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 03:36:51,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 03:36:51,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 03:36:51,407 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 03:36:51,409 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 03:36:51,410 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 03:36:51,411 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 03:36:51,413 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 03:36:51,414 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 03:36:51,416 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 03:36:51,417 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 03:36:51,418 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 03:36:51,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 03:36:51,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 03:36:51,425 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 03:36:51,426 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 03:36:51,427 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 03:36:51,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 03:36:51,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 03:36:51,433 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 03:36:51,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 03:36:51,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 03:36:51,435 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 03:36:51,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 03:36:51,436 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 03:36:51,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 03:36:51,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 03:36:51,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 03:36:51,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 03:36:51,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 03:36:51,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 03:36:51,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 03:36:51,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 03:36:51,441 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 03:36:51,442 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 03:36:51,443 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 03:36:51,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 03:36:51,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 03:36:51,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 03:36:51,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 03:36:51,475 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 03:36:51,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 03:36:51,476 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 03:36:51,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 03:36:51,477 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 03:36:51,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 03:36:51,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 03:36:51,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 03:36:51,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 03:36:51,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 03:36:51,479 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 03:36:51,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 03:36:51,480 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 03:36:51,480 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 03:36:51,806 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 03:36:51,831 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 03:36:51,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 03:36:51,834 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 03:36:51,834 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 03:36:51,835 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-12-06 03:36:52,890 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 03:36:53,158 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 03:36:53,158 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i [2022-12-06 03:36:53,179 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d81af628c/08f29323b5884802816c37568a5e1573/FLAGe54166088 [2022-12-06 03:36:53,193 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d81af628c/08f29323b5884802816c37568a5e1573 [2022-12-06 03:36:53,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 03:36:53,196 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 03:36:53,197 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 03:36:53,197 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 03:36:53,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 03:36:53,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,204 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f78611b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53, skipping insertion in model container [2022-12-06 03:36:53,204 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,210 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 03:36:53,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 03:36:53,558 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2022-12-06 03:36:53,571 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2022-12-06 03:36:53,581 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 03:36:53,592 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 03:36:53,630 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30440,30453] [2022-12-06 03:36:53,633 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-deagle/circular_buffer_bad.i[30895,30908] [2022-12-06 03:36:53,636 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 03:36:53,670 INFO L208 MainTranslator]: Completed translation [2022-12-06 03:36:53,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53 WrapperNode [2022-12-06 03:36:53,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 03:36:53,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 03:36:53,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 03:36:53,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 03:36:53,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,714 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,735 INFO L138 Inliner]: procedures = 168, calls = 36, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 135 [2022-12-06 03:36:53,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 03:36:53,736 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 03:36:53,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 03:36:53,736 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 03:36:53,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,747 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,768 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,769 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,770 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 03:36:53,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 03:36:53,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 03:36:53,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 03:36:53,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (1/1) ... [2022-12-06 03:36:53,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 03:36:53,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 03:36:53,814 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) [2022-12-06 03:36:53,816 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 [2022-12-06 03:36:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 03:36:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-06 03:36:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-06 03:36:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-06 03:36:53,841 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-06 03:36:53,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 03:36:53,842 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 03:36:53,842 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 03:36:53,843 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 03:36:53,966 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 03:36:53,968 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 03:36:54,225 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 03:36:54,234 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 03:36:54,234 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-06 03:36:54,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:36:54 BoogieIcfgContainer [2022-12-06 03:36:54,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 03:36:54,242 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 03:36:54,242 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 03:36:54,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 03:36:54,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 03:36:53" (1/3) ... [2022-12-06 03:36:54,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9c0177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 03:36:54, skipping insertion in model container [2022-12-06 03:36:54,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:36:53" (2/3) ... [2022-12-06 03:36:54,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c9c0177 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 03:36:54, skipping insertion in model container [2022-12-06 03:36:54,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:36:54" (3/3) ... [2022-12-06 03:36:54,247 INFO L112 eAbstractionObserver]: Analyzing ICFG circular_buffer_bad.i [2022-12-06 03:36:54,275 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 03:36:54,275 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 03:36:54,275 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 03:36:54,391 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 03:36:54,429 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 03:36:54,509 INFO L130 PetriNetUnfolder]: 10/138 cut-off events. [2022-12-06 03:36:54,509 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 03:36:54,515 INFO L83 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 138 events. 10/138 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 251 event pairs, 0 based on Foata normal form. 0/126 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 03:36:54,516 INFO L82 GeneralOperation]: Start removeDead. Operand has 137 places, 140 transitions, 296 flow [2022-12-06 03:36:54,523 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 126 places, 129 transitions, 267 flow [2022-12-06 03:36:54,525 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:36:54,547 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 03:36:54,556 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 129 transitions, 267 flow [2022-12-06 03:36:54,601 INFO L130 PetriNetUnfolder]: 10/129 cut-off events. [2022-12-06 03:36:54,601 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 03:36:54,604 INFO L83 FinitePrefix]: Finished finitePrefix Result has 137 conditions, 129 events. 10/129 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 235 event pairs, 0 based on Foata normal form. 0/117 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-06 03:36:54,608 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 126 places, 129 transitions, 267 flow [2022-12-06 03:36:54,608 INFO L188 LiptonReduction]: Number of co-enabled transitions 3840 [2022-12-06 03:36:54,952 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:54,953 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:54,955 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:54,956 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,122 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,124 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,126 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,127 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,187 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,188 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,190 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,191 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,194 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,195 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,197 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,198 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,299 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,300 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,302 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,304 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,743 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,744 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:55,746 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:55,747 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:58,746 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:58,747 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:58,749 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:58,750 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:59,071 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:59,073 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:36:59,075 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:36:59,075 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,271 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,272 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,274 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,275 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,278 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,278 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,280 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,281 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,443 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,444 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:00,451 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:00,452 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:01,137 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:01,138 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:01,143 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:01,143 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:01,648 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:01,649 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:01,654 INFO L167 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 03:37:01,655 INFO L172 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2022-12-06 03:37:02,968 INFO L203 LiptonReduction]: Total number of compositions: 103 [2022-12-06 03:37:02,981 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 03:37:02,986 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@4c86b10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 03:37:02,986 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 03:37:02,990 INFO L130 PetriNetUnfolder]: 2/12 cut-off events. [2022-12-06 03:37:02,990 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 03:37:02,990 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 03:37:02,990 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2022-12-06 03:37:02,991 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 03:37:02,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 03:37:02,994 INFO L85 PathProgramCache]: Analyzing trace with hash 17023990, now seen corresponding path program 1 times [2022-12-06 03:37:03,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 03:37:03,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336176183] [2022-12-06 03:37:03,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:03,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 03:37:03,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 03:37:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 03:37:03,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 03:37:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336176183] [2022-12-06 03:37:03,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336176183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 03:37:03,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 03:37:03,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 03:37:03,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520528233] [2022-12-06 03:37:03,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 03:37:03,171 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-06 03:37:03,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 03:37:03,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-06 03:37:03,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-06 03:37:03,202 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 5 out of 36 [2022-12-06 03:37:03,203 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 36 transitions, 81 flow. Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:03,204 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 03:37:03,204 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 5 of 36 [2022-12-06 03:37:03,204 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 03:37:03,321 INFO L130 PetriNetUnfolder]: 318/510 cut-off events. [2022-12-06 03:37:03,322 INFO L131 PetriNetUnfolder]: For 30/30 co-relation queries the response was YES. [2022-12-06 03:37:03,325 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1009 conditions, 510 events. 318/510 cut-off events. For 30/30 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 1877 event pairs, 213 based on Foata normal form. 0/378 useless extension candidates. Maximal degree in co-relation 913. Up to 469 conditions per place. [2022-12-06 03:37:03,329 INFO L137 encePairwiseOnDemand]: 31/36 looper letters, 26 selfloop transitions, 0 changer transitions 0/31 dead transitions. [2022-12-06 03:37:03,330 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 31 transitions, 123 flow [2022-12-06 03:37:03,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-06 03:37:03,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2022-12-06 03:37:03,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 41 transitions. [2022-12-06 03:37:03,340 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5694444444444444 [2022-12-06 03:37:03,344 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, -2 predicate places. [2022-12-06 03:37:03,345 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:37:03,345 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 31 transitions, 123 flow [2022-12-06 03:37:03,357 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 31 transitions, 123 flow [2022-12-06 03:37:03,357 INFO L188 LiptonReduction]: Number of co-enabled transitions 138 [2022-12-06 03:37:03,410 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 03:37:03,412 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 68 [2022-12-06 03:37:03,413 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 127 flow [2022-12-06 03:37:03,413 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:03,413 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 03:37:03,413 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 03:37:03,413 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 03:37:03,413 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 03:37:03,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 03:37:03,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1736105108, now seen corresponding path program 1 times [2022-12-06 03:37:03,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 03:37:03,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620288603] [2022-12-06 03:37:03,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:03,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 03:37:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 03:37:03,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 03:37:03,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 03:37:03,653 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620288603] [2022-12-06 03:37:03,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620288603] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 03:37:03,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 03:37:03,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 03:37:03,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1692810559] [2022-12-06 03:37:03,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 03:37:03,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 03:37:03,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 03:37:03,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 03:37:03,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 03:37:03,656 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 31 [2022-12-06 03:37:03,656 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:03,656 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 03:37:03,656 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 31 [2022-12-06 03:37:03,656 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 03:37:03,785 INFO L130 PetriNetUnfolder]: 491/815 cut-off events. [2022-12-06 03:37:03,786 INFO L131 PetriNetUnfolder]: For 41/41 co-relation queries the response was YES. [2022-12-06 03:37:03,787 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2411 conditions, 815 events. 491/815 cut-off events. For 41/41 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 3135 event pairs, 166 based on Foata normal form. 18/631 useless extension candidates. Maximal degree in co-relation 2191. Up to 773 conditions per place. [2022-12-06 03:37:03,790 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 40 selfloop transitions, 3 changer transitions 5/51 dead transitions. [2022-12-06 03:37:03,791 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 35 places, 51 transitions, 309 flow [2022-12-06 03:37:03,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 03:37:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 03:37:03,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 59 transitions. [2022-12-06 03:37:03,793 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6344086021505376 [2022-12-06 03:37:03,794 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, 0 predicate places. [2022-12-06 03:37:03,794 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:37:03,794 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 51 transitions, 309 flow [2022-12-06 03:37:03,799 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 35 places, 51 transitions, 309 flow [2022-12-06 03:37:03,800 INFO L188 LiptonReduction]: Number of co-enabled transitions 146 [2022-12-06 03:37:03,800 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 03:37:03,801 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7 [2022-12-06 03:37:03,801 INFO L495 AbstractCegarLoop]: Abstraction has has 35 places, 51 transitions, 309 flow [2022-12-06 03:37:03,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:03,802 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 03:37:03,802 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 03:37:03,802 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 03:37:03,802 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 03:37:03,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 03:37:03,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1919973807, now seen corresponding path program 1 times [2022-12-06 03:37:03,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 03:37:03,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79707129] [2022-12-06 03:37:03,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:03,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 03:37:03,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 03:37:03,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 03:37:03,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 03:37:03,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79707129] [2022-12-06 03:37:03,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79707129] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 03:37:03,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 03:37:03,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 03:37:03,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533587139] [2022-12-06 03:37:03,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 03:37:03,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 03:37:03,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 03:37:03,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 03:37:03,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 03:37:03,985 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 31 [2022-12-06 03:37:03,985 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 51 transitions, 309 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:03,985 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 03:37:03,986 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 31 [2022-12-06 03:37:03,986 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 03:37:04,094 INFO L130 PetriNetUnfolder]: 256/472 cut-off events. [2022-12-06 03:37:04,095 INFO L131 PetriNetUnfolder]: For 45/45 co-relation queries the response was YES. [2022-12-06 03:37:04,095 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1847 conditions, 472 events. 256/472 cut-off events. For 45/45 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1946 event pairs, 24 based on Foata normal form. 0/384 useless extension candidates. Maximal degree in co-relation 1577. Up to 442 conditions per place. [2022-12-06 03:37:04,098 INFO L137 encePairwiseOnDemand]: 23/31 looper letters, 39 selfloop transitions, 14 changer transitions 11/67 dead transitions. [2022-12-06 03:37:04,098 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 67 transitions, 545 flow [2022-12-06 03:37:04,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 03:37:04,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 03:37:04,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 50 transitions. [2022-12-06 03:37:04,099 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5376344086021505 [2022-12-06 03:37:04,100 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, 2 predicate places. [2022-12-06 03:37:04,100 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:37:04,101 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 37 places, 67 transitions, 545 flow [2022-12-06 03:37:04,104 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 37 places, 67 transitions, 545 flow [2022-12-06 03:37:04,105 INFO L188 LiptonReduction]: Number of co-enabled transitions 126 [2022-12-06 03:37:04,105 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 03:37:04,106 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 03:37:04,107 INFO L495 AbstractCegarLoop]: Abstraction has has 37 places, 67 transitions, 545 flow [2022-12-06 03:37:04,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:04,107 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 03:37:04,107 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 03:37:04,107 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 03:37:04,107 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 03:37:04,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 03:37:04,108 INFO L85 PathProgramCache]: Analyzing trace with hash -1941204033, now seen corresponding path program 2 times [2022-12-06 03:37:04,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 03:37:04,108 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125310870] [2022-12-06 03:37:04,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:04,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 03:37:04,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 03:37:04,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 03:37:04,234 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 03:37:04,234 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125310870] [2022-12-06 03:37:04,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125310870] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 03:37:04,234 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 03:37:04,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 03:37:04,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388632610] [2022-12-06 03:37:04,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 03:37:04,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 03:37:04,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 03:37:04,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 03:37:04,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 03:37:04,236 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 31 [2022-12-06 03:37:04,236 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 67 transitions, 545 flow. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:04,236 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 03:37:04,236 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 31 [2022-12-06 03:37:04,236 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 03:37:04,337 INFO L130 PetriNetUnfolder]: 296/554 cut-off events. [2022-12-06 03:37:04,337 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2022-12-06 03:37:04,338 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2679 conditions, 554 events. 296/554 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 2230 event pairs, 26 based on Foata normal form. 0/450 useless extension candidates. Maximal degree in co-relation 2260. Up to 518 conditions per place. [2022-12-06 03:37:04,341 INFO L137 encePairwiseOnDemand]: 28/31 looper letters, 63 selfloop transitions, 2 changer transitions 20/88 dead transitions. [2022-12-06 03:37:04,341 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 88 transitions, 892 flow [2022-12-06 03:37:04,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 03:37:04,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 03:37:04,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 03:37:04,342 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5806451612903226 [2022-12-06 03:37:04,342 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, 4 predicate places. [2022-12-06 03:37:04,343 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:37:04,343 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 88 transitions, 892 flow [2022-12-06 03:37:04,347 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 88 transitions, 892 flow [2022-12-06 03:37:04,347 INFO L188 LiptonReduction]: Number of co-enabled transitions 158 [2022-12-06 03:37:04,348 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 03:37:04,349 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6 [2022-12-06 03:37:04,349 INFO L495 AbstractCegarLoop]: Abstraction has has 39 places, 88 transitions, 892 flow [2022-12-06 03:37:04,349 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:04,349 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 03:37:04,349 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 03:37:04,349 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 03:37:04,350 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-06 03:37:04,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 03:37:04,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1116061895, now seen corresponding path program 1 times [2022-12-06 03:37:04,350 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 03:37:04,350 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057320551] [2022-12-06 03:37:04,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:04,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 03:37:04,367 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-06 03:37:04,368 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [978574401] [2022-12-06 03:37:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 03:37:04,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 03:37:04,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 03:37:04,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 03:37:04,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 03:37:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 03:37:04,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-06 03:37:04,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 03:37:04,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 03:37:04,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 03:37:04,721 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 03:37:04,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057320551] [2022-12-06 03:37:04,721 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-06 03:37:04,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978574401] [2022-12-06 03:37:04,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [978574401] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 03:37:04,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 03:37:04,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 03:37:04,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020327677] [2022-12-06 03:37:04,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 03:37:04,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 03:37:04,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 03:37:04,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 03:37:04,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 03:37:04,723 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 3 out of 31 [2022-12-06 03:37:04,723 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 88 transitions, 892 flow. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 03:37:04,723 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 03:37:04,723 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 3 of 31 [2022-12-06 03:37:04,723 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 03:37:04,979 INFO L130 PetriNetUnfolder]: 385/719 cut-off events. [2022-12-06 03:37:04,979 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-12-06 03:37:04,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4152 conditions, 719 events. 385/719 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 3012 event pairs, 24 based on Foata normal form. 0/587 useless extension candidates. Maximal degree in co-relation 3517. Up to 673 conditions per place. [2022-12-06 03:37:04,984 INFO L137 encePairwiseOnDemand]: 26/31 looper letters, 87 selfloop transitions, 4 changer transitions 23/117 dead transitions. [2022-12-06 03:37:04,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 117 transitions, 1422 flow [2022-12-06 03:37:04,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 03:37:04,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 03:37:04,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 77 transitions. [2022-12-06 03:37:04,985 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6209677419354839 [2022-12-06 03:37:04,986 INFO L294 CegarLoopForPetriNet]: 35 programPoint places, 7 predicate places. [2022-12-06 03:37:04,987 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 03:37:04,987 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 117 transitions, 1422 flow [2022-12-06 03:37:04,992 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 117 transitions, 1422 flow [2022-12-06 03:37:04,992 INFO L188 LiptonReduction]: Number of co-enabled transitions 208 [2022-12-06 03:37:05,071 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-06 03:37:05,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 03:37:05,272 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IndexOutOfBoundsException: Index 15 out of bounds for length 15 at java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) at java.base/jdk.internal.util.Preconditions.outOfBoundsCheckIndex(Preconditions.java:70) at java.base/jdk.internal.util.Preconditions.checkIndex(Preconditions.java:248) at java.base/java.util.Objects.checkIndex(Objects.java:372) at java.base/java.util.ArrayList.get(ArrayList.java:459) at de.uni_freiburg.informatik.ultimate.automata.petrinet.PetriNetRun.getTransition(PetriNetRun.java:125) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.adaptRun(ChoiceRule.java:163) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ChoiceRule.applyInternal(ChoiceRule.java:115) at de.uni_freiburg.informatik.ultimate.automata.partialorder.ReductionRule.apply(ReductionRule.java:80) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.choiceRuleWrapper(LiptonReduction.java:239) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.performReduction(LiptonReduction.java:200) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:143) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.applyLargeBlockEncoding(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.CegarLoopForPetriNetWithRepeatedLiptonReduction.refineAbstraction(CegarLoopForPetriNetWithRepeatedLiptonReduction.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-12-06 03:37:05,274 INFO L158 Benchmark]: Toolchain (without parser) took 12078.28ms. Allocated memory was 195.0MB in the beginning and 305.1MB in the end (delta: 110.1MB). Free memory was 168.7MB in the beginning and 242.8MB in the end (delta: -74.1MB). Peak memory consumption was 36.7MB. Max. memory is 8.0GB. [2022-12-06 03:37:05,275 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 03:37:05,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.38ms. Allocated memory is still 195.0MB. Free memory was 168.7MB in the beginning and 148.3MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-06 03:37:05,275 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.56ms. Allocated memory is still 195.0MB. Free memory was 148.3MB in the beginning and 146.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 03:37:05,275 INFO L158 Benchmark]: Boogie Preprocessor took 36.75ms. Allocated memory is still 195.0MB. Free memory was 146.1MB in the beginning and 144.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 03:37:05,276 INFO L158 Benchmark]: RCFGBuilder took 462.75ms. Allocated memory is still 195.0MB. Free memory was 144.2MB in the beginning and 126.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2022-12-06 03:37:05,276 INFO L158 Benchmark]: TraceAbstraction took 11032.18ms. Allocated memory was 195.0MB in the beginning and 305.1MB in the end (delta: 110.1MB). Free memory was 126.2MB in the beginning and 242.8MB in the end (delta: -116.5MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 03:37:05,277 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 195.0MB. Free memory is still 171.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 474.38ms. Allocated memory is still 195.0MB. Free memory was 168.7MB in the beginning and 148.3MB in the end (delta: 20.4MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.56ms. Allocated memory is still 195.0MB. Free memory was 148.3MB in the beginning and 146.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 36.75ms. Allocated memory is still 195.0MB. Free memory was 146.1MB in the beginning and 144.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 462.75ms. Allocated memory is still 195.0MB. Free memory was 144.2MB in the beginning and 126.7MB in the end (delta: 17.5MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 11032.18ms. Allocated memory was 195.0MB in the beginning and 305.1MB in the end (delta: 110.1MB). Free memory was 126.2MB in the beginning and 242.8MB in the end (delta: -116.5MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.4s, 126 PlacesBefore, 35 PlacesAfterwards, 129 TransitionsBefore, 36 TransitionsAfterwards, 3840 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 41 TrivialYvCompositions, 56 ConcurrentYvCompositions, 2 ChoiceCompositions, 103 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 3262, independent unconditional: 0, dependent: 59, dependent conditional: 59, dependent unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3325, independent: 3262, independent conditional: 0, independent unconditional: 3262, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2519, independent: 2484, independent conditional: 0, independent unconditional: 2484, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2519, independent: 2424, independent conditional: 0, independent unconditional: 2424, dependent: 95, dependent conditional: 0, dependent unconditional: 95, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 95, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2369, independent: 70, independent conditional: 0, independent unconditional: 70, dependent: 149, dependent conditional: 0, dependent unconditional: 149, unknown: 2150, unknown conditional: 0, unknown unconditional: 2150] ], Cache Queries: [ total: 3325, independent: 778, independent conditional: 0, independent unconditional: 778, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 2522, unknown conditional: 0, unknown unconditional: 2522] , Statistics on independence cache: Total cache size (in pairs): 4653, Positive cache size: 4619, Positive conditional cache size: 0, Positive unconditional cache size: 4619, Negative cache size: 34, Negative conditional cache size: 0, Negative unconditional cache size: 34, Unknown cache size: 1, Unknown conditional cache size: 0, Unknown unconditional cache size: 1, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 33 PlacesBefore, 33 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 138 CoEnabledTransitionPairs, 2 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 35 PlacesBefore, 35 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 146 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 37 PlacesBefore, 37 PlacesAfterwards, 67 TransitionsBefore, 67 TransitionsAfterwards, 126 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 39 PlacesBefore, 39 PlacesAfterwards, 88 TransitionsBefore, 88 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - ExceptionOrErrorResult: IndexOutOfBoundsException: Index 15 out of bounds for length 15 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IndexOutOfBoundsException: Index 15 out of bounds for length 15: java.base/jdk.internal.util.Preconditions.outOfBounds(Preconditions.java:64) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-12-06 03:37:05,334 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...