/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 07:09:23,670 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 07:09:23,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 07:09:23,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 07:09:23,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 07:09:23,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 07:09:23,734 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 07:09:23,737 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 07:09:23,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 07:09:23,744 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 07:09:23,744 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 07:09:23,745 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 07:09:23,745 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 07:09:23,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 07:09:23,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 07:09:23,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 07:09:23,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 07:09:23,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 07:09:23,751 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 07:09:23,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 07:09:23,757 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 07:09:23,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 07:09:23,759 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 07:09:23,761 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 07:09:23,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 07:09:23,766 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 07:09:23,766 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 07:09:23,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 07:09:23,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 07:09:23,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 07:09:23,768 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 07:09:23,770 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 07:09:23,771 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 07:09:23,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 07:09:23,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 07:09:23,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 07:09:23,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 07:09:23,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 07:09:23,773 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 07:09:23,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 07:09:23,774 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 07:09:23,775 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2022-12-06 07:09:23,805 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 07:09:23,805 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 07:09:23,807 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 07:09:23,807 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 07:09:23,807 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 07:09:23,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 07:09:23,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 07:09:23,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 07:09:23,809 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:09:23,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 07:09:23,810 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 07:09:23,810 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 07:09:23,810 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 07:09:23,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 07:09:23,810 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 07:09:23,810 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 07:09:24,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 07:09:24,116 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 07:09:24,118 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 07:09:24,119 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 07:09:24,119 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 07:09:24,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2022-12-06 07:09:25,070 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 07:09:25,289 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 07:09:25,289 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c [2022-12-06 07:09:25,294 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33279189/bfc6ff660de04dad8e79ffddc034b895/FLAGcd39fce1a [2022-12-06 07:09:25,305 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c33279189/bfc6ff660de04dad8e79ffddc034b895 [2022-12-06 07:09:25,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 07:09:25,308 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 07:09:25,309 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 07:09:25,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 07:09:25,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 07:09:25,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,312 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93aeacf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25, skipping insertion in model container [2022-12-06 07:09:25,312 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,317 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 07:09:25,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 07:09:25,455 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-06 07:09:25,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:09:25,478 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 07:09:25,511 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/array-eq-trans.wvr.c[2737,2750] [2022-12-06 07:09:25,514 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 07:09:25,525 INFO L208 MainTranslator]: Completed translation [2022-12-06 07:09:25,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25 WrapperNode [2022-12-06 07:09:25,526 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 07:09:25,527 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 07:09:25,527 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 07:09:25,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 07:09:25,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,549 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,578 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 10, calls inlined = 14, statements flattened = 204 [2022-12-06 07:09:25,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 07:09:25,579 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 07:09:25,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 07:09:25,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 07:09:25,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,612 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,617 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,620 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 07:09:25,620 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 07:09:25,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 07:09:25,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 07:09:25,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (1/1) ... [2022-12-06 07:09:25,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 07:09:25,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:09:25,650 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 07:09:25,708 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 07:09:25,730 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 07:09:25,731 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 07:09:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 07:09:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 07:09:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 07:09:25,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 07:09:25,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 07:09:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 07:09:25,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 07:09:25,734 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 07:09:25,876 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 07:09:25,877 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 07:09:26,234 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 07:09:26,242 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 07:09:26,242 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-06 07:09:26,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:09:26 BoogieIcfgContainer [2022-12-06 07:09:26,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 07:09:26,248 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 07:09:26,248 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 07:09:26,250 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 07:09:26,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 07:09:25" (1/3) ... [2022-12-06 07:09:26,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a89c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:09:26, skipping insertion in model container [2022-12-06 07:09:26,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 07:09:25" (2/3) ... [2022-12-06 07:09:26,251 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11a89c51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 07:09:26, skipping insertion in model container [2022-12-06 07:09:26,251 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 07:09:26" (3/3) ... [2022-12-06 07:09:26,252 INFO L112 eAbstractionObserver]: Analyzing ICFG array-eq-trans.wvr.c [2022-12-06 07:09:26,264 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 07:09:26,265 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 07:09:26,265 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 07:09:26,349 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 07:09:26,393 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 261 places, 281 transitions, 586 flow [2022-12-06 07:09:26,485 INFO L130 PetriNetUnfolder]: 30/278 cut-off events. [2022-12-06 07:09:26,485 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 07:09:26,491 INFO L83 FinitePrefix]: Finished finitePrefix Result has 291 conditions, 278 events. 30/278 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 238 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 183. Up to 3 conditions per place. [2022-12-06 07:09:26,491 INFO L82 GeneralOperation]: Start removeDead. Operand has 261 places, 281 transitions, 586 flow [2022-12-06 07:09:26,495 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 248 places, 268 transitions, 554 flow [2022-12-06 07:09:26,497 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:26,528 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 248 places, 268 transitions, 554 flow [2022-12-06 07:09:26,541 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 248 places, 268 transitions, 554 flow [2022-12-06 07:09:26,599 INFO L130 PetriNetUnfolder]: 30/268 cut-off events. [2022-12-06 07:09:26,599 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 07:09:26,600 INFO L83 FinitePrefix]: Finished finitePrefix Result has 281 conditions, 268 events. 30/268 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 235 event pairs, 0 based on Foata normal form. 0/238 useless extension candidates. Maximal degree in co-relation 183. Up to 3 conditions per place. [2022-12-06 07:09:26,604 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 248 places, 268 transitions, 554 flow [2022-12-06 07:09:26,604 INFO L188 LiptonReduction]: Number of co-enabled transitions 2688 [2022-12-06 07:09:36,934 INFO L203 LiptonReduction]: Total number of compositions: 235 [2022-12-06 07:09:36,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 07:09:36,962 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;@18d2e3dd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 07:09:36,962 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 07:09:36,986 INFO L130 PetriNetUnfolder]: 8/28 cut-off events. [2022-12-06 07:09:36,986 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 07:09:36,986 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:36,987 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:36,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:36,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:36,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1493623861, now seen corresponding path program 1 times [2022-12-06 07:09:36,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:36,998 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551584088] [2022-12-06 07:09:36,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:36,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:37,517 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 07:09:37,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:37,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551584088] [2022-12-06 07:09:37,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551584088] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:37,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:37,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:09:37,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929846131] [2022-12-06 07:09:37,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:37,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 07:09:37,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:37,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 07:09:37,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 07:09:37,548 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:37,549 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 31 places, 29 transitions, 76 flow. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 07:09:37,550 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:37,550 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:37,550 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:37,732 INFO L130 PetriNetUnfolder]: 385/548 cut-off events. [2022-12-06 07:09:37,732 INFO L131 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2022-12-06 07:09:37,735 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1171 conditions, 548 events. 385/548 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1448 event pairs, 186 based on Foata normal form. 1/349 useless extension candidates. Maximal degree in co-relation 484. Up to 289 conditions per place. [2022-12-06 07:09:37,738 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 28 selfloop transitions, 2 changer transitions 25/55 dead transitions. [2022-12-06 07:09:37,738 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 55 transitions, 256 flow [2022-12-06 07:09:37,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 07:09:37,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 07:09:37,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 57 transitions. [2022-12-06 07:09:37,747 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49137931034482757 [2022-12-06 07:09:37,748 INFO L175 Difference]: Start difference. First operand has 31 places, 29 transitions, 76 flow. Second operand 4 states and 57 transitions. [2022-12-06 07:09:37,749 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 55 transitions, 256 flow [2022-12-06 07:09:37,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 55 transitions, 232 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 07:09:37,754 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 80 flow [2022-12-06 07:09:37,755 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=30, PETRI_TRANSITIONS=30} [2022-12-06 07:09:37,761 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, -1 predicate places. [2022-12-06 07:09:37,761 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:37,761 INFO L89 Accepts]: Start accepts. Operand has 30 places, 30 transitions, 80 flow [2022-12-06 07:09:37,764 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:37,764 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:37,764 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 30 transitions, 80 flow [2022-12-06 07:09:37,766 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 30 transitions, 80 flow [2022-12-06 07:09:37,773 INFO L130 PetriNetUnfolder]: 8/30 cut-off events. [2022-12-06 07:09:37,773 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:37,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 30 events. 8/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 18 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 36. Up to 4 conditions per place. [2022-12-06 07:09:37,773 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 30 transitions, 80 flow [2022-12-06 07:09:37,773 INFO L188 LiptonReduction]: Number of co-enabled transitions 164 [2022-12-06 07:09:38,791 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:09:38,792 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1031 [2022-12-06 07:09:38,792 INFO L495 AbstractCegarLoop]: Abstraction has has 28 places, 29 transitions, 76 flow [2022-12-06 07:09:38,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 07:09:38,793 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:38,793 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:38,793 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 07:09:38,794 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:38,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:38,794 INFO L85 PathProgramCache]: Analyzing trace with hash 145550818, now seen corresponding path program 1 times [2022-12-06 07:09:38,794 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:38,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649027349] [2022-12-06 07:09:38,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:38,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:38,983 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 07:09:38,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:38,984 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649027349] [2022-12-06 07:09:38,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649027349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:38,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:38,987 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 07:09:38,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93250161] [2022-12-06 07:09:38,991 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:38,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 07:09:38,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:38,993 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 07:09:38,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 07:09:38,993 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:38,993 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 28 places, 29 transitions, 76 flow. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 07:09:38,993 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:38,993 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:38,994 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:39,147 INFO L130 PetriNetUnfolder]: 470/667 cut-off events. [2022-12-06 07:09:39,147 INFO L131 PetriNetUnfolder]: For 60/60 co-relation queries the response was YES. [2022-12-06 07:09:39,148 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1440 conditions, 667 events. 470/667 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 2089 event pairs, 93 based on Foata normal form. 1/477 useless extension candidates. Maximal degree in co-relation 1431. Up to 301 conditions per place. [2022-12-06 07:09:39,149 INFO L137 encePairwiseOnDemand]: 25/29 looper letters, 47 selfloop transitions, 2 changer transitions 17/66 dead transitions. [2022-12-06 07:09:39,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 66 transitions, 298 flow [2022-12-06 07:09:39,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 07:09:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 07:09:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 67 transitions. [2022-12-06 07:09:39,151 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5775862068965517 [2022-12-06 07:09:39,151 INFO L175 Difference]: Start difference. First operand has 28 places, 29 transitions, 76 flow. Second operand 4 states and 67 transitions. [2022-12-06 07:09:39,151 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 66 transitions, 298 flow [2022-12-06 07:09:39,152 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 28 places, 66 transitions, 280 flow, removed 9 selfloop flow, removed 3 redundant places. [2022-12-06 07:09:39,153 INFO L231 Difference]: Finished difference. Result has 30 places, 30 transitions, 78 flow [2022-12-06 07:09:39,153 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=78, PETRI_PLACES=30, PETRI_TRANSITIONS=30} [2022-12-06 07:09:39,154 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, -1 predicate places. [2022-12-06 07:09:39,154 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:39,154 INFO L89 Accepts]: Start accepts. Operand has 30 places, 30 transitions, 78 flow [2022-12-06 07:09:39,154 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:39,154 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:39,154 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 30 transitions, 78 flow [2022-12-06 07:09:39,155 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 29 places, 30 transitions, 78 flow [2022-12-06 07:09:39,158 INFO L130 PetriNetUnfolder]: 8/38 cut-off events. [2022-12-06 07:09:39,159 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:39,159 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 38 events. 8/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 44 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 44. Up to 4 conditions per place. [2022-12-06 07:09:39,159 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 29 places, 30 transitions, 78 flow [2022-12-06 07:09:39,159 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 07:09:39,162 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:09:39,162 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 07:09:39,162 INFO L495 AbstractCegarLoop]: Abstraction has has 29 places, 30 transitions, 78 flow [2022-12-06 07:09:39,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 07:09:39,163 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:39,163 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:39,163 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 07:09:39,163 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:39,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:39,163 INFO L85 PathProgramCache]: Analyzing trace with hash 2031052794, now seen corresponding path program 1 times [2022-12-06 07:09:39,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:39,164 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056296953] [2022-12-06 07:09:39,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:39,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:39,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:39,258 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 07:09:39,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:39,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056296953] [2022-12-06 07:09:39,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1056296953] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:39,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:39,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 07:09:39,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173284725] [2022-12-06 07:09:39,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:39,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 07:09:39,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:39,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 07:09:39,263 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 07:09:39,263 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:39,263 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 30 transitions, 78 flow. Second operand has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 07:09:39,263 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:39,263 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:39,263 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:39,402 INFO L130 PetriNetUnfolder]: 451/656 cut-off events. [2022-12-06 07:09:39,402 INFO L131 PetriNetUnfolder]: For 22/22 co-relation queries the response was YES. [2022-12-06 07:09:39,403 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1435 conditions, 656 events. 451/656 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1953 event pairs, 119 based on Foata normal form. 40/514 useless extension candidates. Maximal degree in co-relation 1424. Up to 301 conditions per place. [2022-12-06 07:09:39,404 INFO L137 encePairwiseOnDemand]: 22/29 looper letters, 46 selfloop transitions, 4 changer transitions 29/79 dead transitions. [2022-12-06 07:09:39,405 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 79 transitions, 347 flow [2022-12-06 07:09:39,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 07:09:39,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 07:09:39,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 81 transitions. [2022-12-06 07:09:39,407 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.46551724137931033 [2022-12-06 07:09:39,407 INFO L175 Difference]: Start difference. First operand has 29 places, 30 transitions, 78 flow. Second operand 6 states and 81 transitions. [2022-12-06 07:09:39,407 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 79 transitions, 347 flow [2022-12-06 07:09:39,408 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 79 transitions, 341 flow, removed 2 selfloop flow, removed 2 redundant places. [2022-12-06 07:09:39,409 INFO L231 Difference]: Finished difference. Result has 35 places, 31 transitions, 96 flow [2022-12-06 07:09:39,409 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=96, PETRI_PLACES=35, PETRI_TRANSITIONS=31} [2022-12-06 07:09:39,410 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2022-12-06 07:09:39,410 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:39,410 INFO L89 Accepts]: Start accepts. Operand has 35 places, 31 transitions, 96 flow [2022-12-06 07:09:39,412 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:39,412 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:39,412 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 31 transitions, 96 flow [2022-12-06 07:09:39,413 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 31 transitions, 96 flow [2022-12-06 07:09:39,417 INFO L130 PetriNetUnfolder]: 8/39 cut-off events. [2022-12-06 07:09:39,417 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 07:09:39,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 39 events. 8/39 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 45 event pairs, 0 based on Foata normal form. 0/34 useless extension candidates. Maximal degree in co-relation 45. Up to 4 conditions per place. [2022-12-06 07:09:39,417 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 31 transitions, 96 flow [2022-12-06 07:09:39,417 INFO L188 LiptonReduction]: Number of co-enabled transitions 186 [2022-12-06 07:09:39,761 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:09:39,762 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 352 [2022-12-06 07:09:39,763 INFO L495 AbstractCegarLoop]: Abstraction has has 32 places, 30 transitions, 92 flow [2022-12-06 07:09:39,763 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.0) internal successors, (20), 4 states have internal predecessors, (20), 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 07:09:39,763 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:39,763 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:39,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 07:09:39,763 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:39,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:39,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1346834690, now seen corresponding path program 1 times [2022-12-06 07:09:39,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:39,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487589409] [2022-12-06 07:09:39,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:39,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:39,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:39,894 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 07:09:39,894 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:39,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487589409] [2022-12-06 07:09:39,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487589409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:39,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:39,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 07:09:39,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355498497] [2022-12-06 07:09:39,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:39,895 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 07:09:39,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:39,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 07:09:39,897 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 07:09:39,897 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:39,897 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 30 transitions, 92 flow. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 07:09:39,897 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:39,897 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:39,899 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:40,116 INFO L130 PetriNetUnfolder]: 828/1186 cut-off events. [2022-12-06 07:09:40,116 INFO L131 PetriNetUnfolder]: For 494/494 co-relation queries the response was YES. [2022-12-06 07:09:40,118 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2787 conditions, 1186 events. 828/1186 cut-off events. For 494/494 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4099 event pairs, 205 based on Foata normal form. 2/887 useless extension candidates. Maximal degree in co-relation 2764. Up to 559 conditions per place. [2022-12-06 07:09:40,121 INFO L137 encePairwiseOnDemand]: 23/29 looper letters, 45 selfloop transitions, 4 changer transitions 16/65 dead transitions. [2022-12-06 07:09:40,121 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 65 transitions, 324 flow [2022-12-06 07:09:40,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 07:09:40,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 07:09:40,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 63 transitions. [2022-12-06 07:09:40,122 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3620689655172414 [2022-12-06 07:09:40,122 INFO L175 Difference]: Start difference. First operand has 32 places, 30 transitions, 92 flow. Second operand 6 states and 63 transitions. [2022-12-06 07:09:40,122 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 65 transitions, 324 flow [2022-12-06 07:09:40,123 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 65 transitions, 294 flow, removed 11 selfloop flow, removed 5 redundant places. [2022-12-06 07:09:40,124 INFO L231 Difference]: Finished difference. Result has 34 places, 31 transitions, 92 flow [2022-12-06 07:09:40,124 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=92, PETRI_PLACES=34, PETRI_TRANSITIONS=31} [2022-12-06 07:09:40,124 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, 3 predicate places. [2022-12-06 07:09:40,124 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:40,124 INFO L89 Accepts]: Start accepts. Operand has 34 places, 31 transitions, 92 flow [2022-12-06 07:09:40,125 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:40,125 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:40,125 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 31 transitions, 92 flow [2022-12-06 07:09:40,125 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 33 places, 31 transitions, 92 flow [2022-12-06 07:09:40,131 INFO L130 PetriNetUnfolder]: 8/49 cut-off events. [2022-12-06 07:09:40,131 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 07:09:40,132 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 49 events. 8/49 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 59. Up to 5 conditions per place. [2022-12-06 07:09:40,132 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 31 transitions, 92 flow [2022-12-06 07:09:40,132 INFO L188 LiptonReduction]: Number of co-enabled transitions 210 [2022-12-06 07:09:40,134 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:09:40,135 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 11 [2022-12-06 07:09:40,135 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 92 flow [2022-12-06 07:09:40,135 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 5 states have internal predecessors, (20), 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 07:09:40,135 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:40,135 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:40,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 07:09:40,136 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:40,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:40,136 INFO L85 PathProgramCache]: Analyzing trace with hash 841291468, now seen corresponding path program 1 times [2022-12-06 07:09:40,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:40,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1723154925] [2022-12-06 07:09:40,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:40,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:40,215 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 07:09:40,215 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:40,215 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1723154925] [2022-12-06 07:09:40,215 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1723154925] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:40,215 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:40,215 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 07:09:40,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587393922] [2022-12-06 07:09:40,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:40,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 07:09:40,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:40,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 07:09:40,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-06 07:09:40,216 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:40,216 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 92 flow. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 07:09:40,216 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:40,216 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:40,217 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:40,347 INFO L130 PetriNetUnfolder]: 791/1153 cut-off events. [2022-12-06 07:09:40,347 INFO L131 PetriNetUnfolder]: For 180/180 co-relation queries the response was YES. [2022-12-06 07:09:40,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2690 conditions, 1153 events. 791/1153 cut-off events. For 180/180 co-relation queries the response was YES. Maximal size of possible extension queue 54. Compared 3943 event pairs, 250 based on Foata normal form. 44/1075 useless extension candidates. Maximal degree in co-relation 2672. Up to 559 conditions per place. [2022-12-06 07:09:40,351 INFO L137 encePairwiseOnDemand]: 23/29 looper letters, 46 selfloop transitions, 4 changer transitions 16/66 dead transitions. [2022-12-06 07:09:40,351 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 66 transitions, 316 flow [2022-12-06 07:09:40,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 07:09:40,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 07:09:40,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 64 transitions. [2022-12-06 07:09:40,352 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4413793103448276 [2022-12-06 07:09:40,352 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 92 flow. Second operand 5 states and 64 transitions. [2022-12-06 07:09:40,352 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 66 transitions, 316 flow [2022-12-06 07:09:40,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 66 transitions, 306 flow, removed 2 selfloop flow, removed 4 redundant places. [2022-12-06 07:09:40,354 INFO L231 Difference]: Finished difference. Result has 35 places, 32 transitions, 102 flow [2022-12-06 07:09:40,354 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=35, PETRI_TRANSITIONS=32} [2022-12-06 07:09:40,354 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, 4 predicate places. [2022-12-06 07:09:40,354 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:40,354 INFO L89 Accepts]: Start accepts. Operand has 35 places, 32 transitions, 102 flow [2022-12-06 07:09:40,355 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:40,355 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:40,355 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 35 places, 32 transitions, 102 flow [2022-12-06 07:09:40,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 34 places, 32 transitions, 102 flow [2022-12-06 07:09:40,360 INFO L130 PetriNetUnfolder]: 8/50 cut-off events. [2022-12-06 07:09:40,360 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 07:09:40,360 INFO L83 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 50 events. 8/50 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 94 event pairs, 0 based on Foata normal form. 0/44 useless extension candidates. Maximal degree in co-relation 54. Up to 4 conditions per place. [2022-12-06 07:09:40,360 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 32 transitions, 102 flow [2022-12-06 07:09:40,361 INFO L188 LiptonReduction]: Number of co-enabled transitions 210 [2022-12-06 07:09:40,598 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 07:09:40,598 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 244 [2022-12-06 07:09:40,598 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 31 transitions, 98 flow [2022-12-06 07:09:40,599 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 4 states have internal predecessors, (21), 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 07:09:40,599 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:40,599 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:40,599 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 07:09:40,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:40,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:40,599 INFO L85 PathProgramCache]: Analyzing trace with hash 69427538, now seen corresponding path program 1 times [2022-12-06 07:09:40,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:40,599 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133055520] [2022-12-06 07:09:40,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:40,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:41,307 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 07:09:41,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:41,307 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133055520] [2022-12-06 07:09:41,307 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133055520] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 07:09:41,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 07:09:41,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 07:09:41,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876883675] [2022-12-06 07:09:41,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 07:09:41,308 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 07:09:41,308 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 07:09:41,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 07:09:41,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-12-06 07:09:41,309 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 29 [2022-12-06 07:09:41,309 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 31 transitions, 98 flow. Second operand has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 07:09:41,309 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 07:09:41,309 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 29 [2022-12-06 07:09:41,309 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 07:09:41,523 INFO L130 PetriNetUnfolder]: 832/1189 cut-off events. [2022-12-06 07:09:41,523 INFO L131 PetriNetUnfolder]: For 336/336 co-relation queries the response was YES. [2022-12-06 07:09:41,524 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2873 conditions, 1189 events. 832/1189 cut-off events. For 336/336 co-relation queries the response was YES. Maximal size of possible extension queue 60. Compared 4303 event pairs, 61 based on Foata normal form. 1/1058 useless extension candidates. Maximal degree in co-relation 2845. Up to 1013 conditions per place. [2022-12-06 07:09:41,527 INFO L137 encePairwiseOnDemand]: 21/29 looper letters, 49 selfloop transitions, 9 changer transitions 1/59 dead transitions. [2022-12-06 07:09:41,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 59 transitions, 293 flow [2022-12-06 07:09:41,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 07:09:41,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 07:09:41,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 58 transitions. [2022-12-06 07:09:41,529 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3333333333333333 [2022-12-06 07:09:41,529 INFO L175 Difference]: Start difference. First operand has 33 places, 31 transitions, 98 flow. Second operand 6 states and 58 transitions. [2022-12-06 07:09:41,529 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 59 transitions, 293 flow [2022-12-06 07:09:41,531 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 59 transitions, 271 flow, removed 7 selfloop flow, removed 4 redundant places. [2022-12-06 07:09:41,532 INFO L231 Difference]: Finished difference. Result has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,533 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=36, PETRI_TRANSITIONS=37} [2022-12-06 07:09:41,534 INFO L294 CegarLoopForPetriNet]: 31 programPoint places, 5 predicate places. [2022-12-06 07:09:41,534 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 07:09:41,535 INFO L89 Accepts]: Start accepts. Operand has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,536 INFO L95 Accepts]: Finished accepts. [2022-12-06 07:09:41,536 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 07:09:41,536 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,537 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,544 INFO L130 PetriNetUnfolder]: 29/90 cut-off events. [2022-12-06 07:09:41,544 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-06 07:09:41,544 INFO L83 FinitePrefix]: Finished finitePrefix Result has 158 conditions, 90 events. 29/90 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 254 event pairs, 1 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 103. Up to 20 conditions per place. [2022-12-06 07:09:41,545 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,545 INFO L188 LiptonReduction]: Number of co-enabled transitions 280 [2022-12-06 07:09:41,549 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 07:09:41,550 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 07:09:41,550 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 37 transitions, 138 flow [2022-12-06 07:09:41,550 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.0) internal successors, (21), 7 states have internal predecessors, (21), 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 07:09:41,550 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 07:09:41,550 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:09:41,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 07:09:41,550 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 07:09:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 07:09:41,551 INFO L85 PathProgramCache]: Analyzing trace with hash 380157412, now seen corresponding path program 1 times [2022-12-06 07:09:41,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 07:09:41,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129538903] [2022-12-06 07:09:41,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:41,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 07:09:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:42,177 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:09:42,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 07:09:42,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129538903] [2022-12-06 07:09:42,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129538903] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 07:09:42,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164053138] [2022-12-06 07:09:42,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 07:09:42,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:09:42,178 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 07:09:42,181 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 07:09:42,206 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 07:09:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 07:09:42,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 28 conjunts are in the unsatisfiable core [2022-12-06 07:09:42,310 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 07:09:42,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 07:09:42,587 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 07:09:43,820 INFO L321 Elim1Store]: treesize reduction 90, result has 89.4 percent of original size [2022-12-06 07:09:43,821 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 145 treesize of output 810 Received shutdown request... [2022-12-06 07:23:37,004 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-12-06 07:23:37,006 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 07:23:37,016 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 07:23:37,046 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 07:23:37,047 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 07:23:37,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 07:23:37,207 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. [2022-12-06 07:23:37,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 07:23:37,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 07:23:37,208 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 07:23:37,209 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-06 07:23:37,212 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 07:23:37,212 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 07:23:37,214 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 07:23:37 BasicIcfg [2022-12-06 07:23:37,214 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 07:23:37,214 INFO L158 Benchmark]: Toolchain (without parser) took 851906.04ms. Allocated memory was 204.5MB in the beginning and 1.2GB in the end (delta: 959.4MB). Free memory was 180.7MB in the beginning and 429.7MB in the end (delta: -249.0MB). Peak memory consumption was 728.7MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,214 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 204.5MB. Free memory was 180.6MB in the beginning and 180.5MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 07:23:37,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 217.00ms. Allocated memory is still 204.5MB. Free memory was 180.7MB in the beginning and 168.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,215 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.78ms. Allocated memory is still 204.5MB. Free memory was 168.1MB in the beginning and 166.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,215 INFO L158 Benchmark]: Boogie Preprocessor took 40.82ms. Allocated memory is still 204.5MB. Free memory was 166.0MB in the beginning and 163.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,215 INFO L158 Benchmark]: RCFGBuilder took 623.39ms. Allocated memory is still 204.5MB. Free memory was 163.9MB in the beginning and 141.3MB in the end (delta: 22.6MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,215 INFO L158 Benchmark]: TraceAbstraction took 850966.31ms. Allocated memory was 204.5MB in the beginning and 1.2GB in the end (delta: 959.4MB). Free memory was 140.4MB in the beginning and 429.7MB in the end (delta: -289.3MB). Peak memory consumption was 688.8MB. Max. memory is 8.0GB. [2022-12-06 07:23:37,216 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 204.5MB. Free memory was 180.6MB in the beginning and 180.5MB in the end (delta: 87.5kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 217.00ms. Allocated memory is still 204.5MB. Free memory was 180.7MB in the beginning and 168.1MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.78ms. Allocated memory is still 204.5MB. Free memory was 168.1MB in the beginning and 166.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.82ms. Allocated memory is still 204.5MB. Free memory was 166.0MB in the beginning and 163.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 623.39ms. Allocated memory is still 204.5MB. Free memory was 163.9MB in the beginning and 141.3MB in the end (delta: 22.6MB). Peak memory consumption was 22.0MB. Max. memory is 8.0GB. * TraceAbstraction took 850966.31ms. Allocated memory was 204.5MB in the beginning and 1.2GB in the end (delta: 959.4MB). Free memory was 140.4MB in the beginning and 429.7MB in the end (delta: -289.3MB). Peak memory consumption was 688.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.3s, 248 PlacesBefore, 31 PlacesAfterwards, 268 TransitionsBefore, 29 TransitionsAfterwards, 2688 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 171 TrivialYvCompositions, 46 ConcurrentYvCompositions, 18 ChoiceCompositions, 235 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1777, independent: 1742, independent conditional: 1742, independent unconditional: 0, dependent: 35, dependent conditional: 35, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1777, independent: 1742, independent conditional: 0, independent unconditional: 1742, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1777, independent: 1742, independent conditional: 0, independent unconditional: 1742, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1777, independent: 1742, independent conditional: 0, independent unconditional: 1742, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1583, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1583, independent: 1562, independent conditional: 0, independent unconditional: 1562, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 25, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1777, independent: 180, independent conditional: 0, independent unconditional: 180, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 1583, unknown conditional: 0, unknown unconditional: 1583] , Statistics on independence cache: Total cache size (in pairs): 2787, Positive cache size: 2766, Positive conditional cache size: 0, Positive unconditional cache size: 2766, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21, 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: 1.0s, 29 PlacesBefore, 28 PlacesAfterwards, 30 TransitionsBefore, 29 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 160, independent: 144, independent conditional: 144, independent unconditional: 0, dependent: 16, dependent conditional: 16, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 160, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 160, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 160, independent: 144, independent conditional: 0, independent unconditional: 144, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 56, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 56, independent: 50, independent conditional: 0, independent unconditional: 50, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 56, unknown conditional: 0, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 56, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6, 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, 29 PlacesBefore, 29 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 102, independent: 92, independent conditional: 92, independent unconditional: 0, dependent: 10, dependent conditional: 10, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 102, independent: 92, independent conditional: 12, independent unconditional: 80, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 102, independent: 92, independent conditional: 12, independent unconditional: 80, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 102, independent: 92, independent conditional: 12, independent unconditional: 80, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 102, independent: 92, independent conditional: 12, independent unconditional: 80, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 57, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 33 PlacesBefore, 32 PlacesAfterwards, 31 TransitionsBefore, 30 TransitionsAfterwards, 186 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 172, independent: 152, independent conditional: 152, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 172, independent: 152, independent conditional: 20, independent unconditional: 132, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 174, independent: 152, independent conditional: 20, independent unconditional: 132, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 174, independent: 152, independent conditional: 20, independent unconditional: 132, dependent: 22, dependent conditional: 4, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 174, independent: 152, independent conditional: 20, independent unconditional: 132, dependent: 21, dependent conditional: 3, dependent unconditional: 18, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 8, Negative conditional cache size: 2, Negative unconditional cache size: 6, 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, 33 PlacesBefore, 33 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 126, independent: 114, independent conditional: 114, independent unconditional: 0, dependent: 12, dependent conditional: 12, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 126, independent: 114, independent conditional: 29, independent unconditional: 85, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 126, independent: 114, independent conditional: 29, independent unconditional: 85, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 126, independent: 114, independent conditional: 29, independent unconditional: 85, dependent: 12, dependent conditional: 2, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 126, independent: 114, independent conditional: 29, independent unconditional: 85, dependent: 11, dependent conditional: 1, dependent unconditional: 10, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 9, Negative conditional cache size: 3, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 34 PlacesBefore, 33 PlacesAfterwards, 32 TransitionsBefore, 31 TransitionsAfterwards, 210 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 264, independent: 240, independent conditional: 240, independent unconditional: 0, dependent: 24, dependent conditional: 24, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 264, independent: 240, independent conditional: 60, independent unconditional: 180, dependent: 24, dependent conditional: 4, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 266, independent: 240, independent conditional: 60, independent unconditional: 180, dependent: 26, dependent conditional: 6, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 266, independent: 240, independent conditional: 60, independent unconditional: 180, dependent: 26, dependent conditional: 6, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 266, independent: 240, independent conditional: 60, independent unconditional: 180, dependent: 25, dependent conditional: 5, dependent unconditional: 20, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 10, Negative conditional cache size: 4, Negative unconditional cache size: 6, 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, 36 PlacesBefore, 36 PlacesAfterwards, 37 TransitionsBefore, 37 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, independent: 35, independent conditional: 35, independent unconditional: 0, dependent: 7, dependent conditional: 7, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 42, independent: 35, independent conditional: 15, independent unconditional: 20, dependent: 7, dependent conditional: 2, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 43, independent: 35, independent conditional: 15, independent unconditional: 20, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 43, independent: 35, independent conditional: 15, independent unconditional: 20, dependent: 8, dependent conditional: 3, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 3, dependent conditional: 3, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, independent: 35, independent conditional: 15, independent unconditional: 20, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 63, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 13, Negative conditional cache size: 7, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 1 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 23 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 0ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 297 locations, 4 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 850.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 279 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 279 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 666 IncrementalHoareTripleChecker+Invalid, 674 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 0 mSDtfsCounter, 666 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=138occurred in iteration=6, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 114 ConstructedInterpolants, 0 QuantifiedInterpolants, 1199 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown