/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 02:46:14,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 02:46:14,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 02:46:14,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 02:46:14,505 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 02:46:14,508 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 02:46:14,511 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 02:46:14,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 02:46:14,519 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 02:46:14,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 02:46:14,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 02:46:14,540 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 02:46:14,540 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 02:46:14,541 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 02:46:14,542 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 02:46:14,543 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 02:46:14,544 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 02:46:14,544 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 02:46:14,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 02:46:14,553 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 02:46:14,556 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 02:46:14,557 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 02:46:14,558 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 02:46:14,560 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 02:46:14,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 02:46:14,566 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 02:46:14,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 02:46:14,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 02:46:14,569 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 02:46:14,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 02:46:14,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 02:46:14,575 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 02:46:14,577 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 02:46:14,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 02:46:14,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 02:46:14,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 02:46:14,579 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 02:46:14,579 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 02:46:14,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 02:46:14,580 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 02:46:14,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 02:46:14,581 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 02:46:14,620 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 02:46:14,620 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 02:46:14,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 02:46:14,622 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 02:46:14,622 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 02:46:14,623 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 02:46:14,623 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 02:46:14,623 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 02:46:14,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 02:46:14,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 02:46:14,624 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 02:46:14,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 02:46:14,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:46:14,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 02:46:14,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 02:46:14,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 02:46:14,627 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 02:46:14,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 02:46:14,952 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 02:46:14,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 02:46:14,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 02:46:14,978 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 02:46:14,978 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 02:46:14,979 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2022-12-06 02:46:16,106 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 02:46:16,338 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 02:46:16,339 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-mult.wvr.c [2022-12-06 02:46:16,349 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eaa81732/045675f1bc954b7abdfeb12b019dabee/FLAG9c203a721 [2022-12-06 02:46:16,369 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0eaa81732/045675f1bc954b7abdfeb12b019dabee [2022-12-06 02:46:16,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 02:46:16,373 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 02:46:16,375 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 02:46:16,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 02:46:16,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 02:46:16,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@553396de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16, skipping insertion in model container [2022-12-06 02:46:16,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 02:46:16,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 02:46:16,569 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,572 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,576 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,577 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,578 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,588 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,589 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,590 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,591 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,621 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/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-12-06 02:46:16,635 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:46:16,644 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 02:46:16,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,662 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,679 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,680 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,682 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,684 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,685 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 02:46:16,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 02:46:16,695 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/popl20-more-buffer-mult.wvr.c[4218,4231] [2022-12-06 02:46:16,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 02:46:16,712 INFO L208 MainTranslator]: Completed translation [2022-12-06 02:46:16,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16 WrapperNode [2022-12-06 02:46:16,712 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 02:46:16,713 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 02:46:16,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 02:46:16,714 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 02:46:16,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,781 INFO L138 Inliner]: procedures = 27, calls = 80, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 307 [2022-12-06 02:46:16,782 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 02:46:16,782 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 02:46:16,783 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 02:46:16,783 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 02:46:16,793 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,793 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,808 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,824 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,825 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,828 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 02:46:16,829 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 02:46:16,829 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 02:46:16,829 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 02:46:16,835 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (1/1) ... [2022-12-06 02:46:16,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 02:46:16,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:46:16,864 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 02:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 02:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 02:46:16,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 02:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 02:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 02:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 02:46:16,898 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 02:46:16,898 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 02:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 02:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 02:46:16,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 02:46:16,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 02:46:16,900 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 02:46:16,919 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 02:46:17,048 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 02:46:17,050 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 02:46:17,407 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 02:46:17,628 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 02:46:17,628 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-06 02:46:17,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:17 BoogieIcfgContainer [2022-12-06 02:46:17,630 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 02:46:17,637 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 02:46:17,637 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 02:46:17,640 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 02:46:17,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 02:46:16" (1/3) ... [2022-12-06 02:46:17,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622c92d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:46:17, skipping insertion in model container [2022-12-06 02:46:17,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:46:16" (2/3) ... [2022-12-06 02:46:17,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@622c92d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 02:46:17, skipping insertion in model container [2022-12-06 02:46:17,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:46:17" (3/3) ... [2022-12-06 02:46:17,643 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-mult.wvr.c [2022-12-06 02:46:17,660 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 02:46:17,660 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 02:46:17,660 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 02:46:17,762 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 02:46:17,801 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 209 places, 214 transitions, 460 flow [2022-12-06 02:46:17,919 INFO L130 PetriNetUnfolder]: 18/210 cut-off events. [2022-12-06 02:46:17,919 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:46:17,926 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 210 events. 18/210 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 114 event pairs, 0 based on Foata normal form. 0/191 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2022-12-06 02:46:17,926 INFO L82 GeneralOperation]: Start removeDead. Operand has 209 places, 214 transitions, 460 flow [2022-12-06 02:46:17,935 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 193 places, 198 transitions, 420 flow [2022-12-06 02:46:17,936 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:17,958 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 193 places, 198 transitions, 420 flow [2022-12-06 02:46:17,967 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 193 places, 198 transitions, 420 flow [2022-12-06 02:46:18,085 INFO L130 PetriNetUnfolder]: 18/198 cut-off events. [2022-12-06 02:46:18,085 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:46:18,087 INFO L83 FinitePrefix]: Finished finitePrefix Result has 215 conditions, 198 events. 18/198 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 113 event pairs, 0 based on Foata normal form. 0/180 useless extension candidates. Maximal degree in co-relation 173. Up to 2 conditions per place. [2022-12-06 02:46:18,090 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 193 places, 198 transitions, 420 flow [2022-12-06 02:46:18,091 INFO L188 LiptonReduction]: Number of co-enabled transitions 2000 [2022-12-06 02:46:27,890 INFO L203 LiptonReduction]: Total number of compositions: 161 [2022-12-06 02:46:27,903 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 02:46:27,909 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;@85aeeb8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 02:46:27,909 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 02:46:27,916 INFO L130 PetriNetUnfolder]: 6/36 cut-off events. [2022-12-06 02:46:27,917 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 02:46:27,917 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:27,917 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, 1, 1, 1, 1, 1] [2022-12-06 02:46:27,918 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 2 more)] === [2022-12-06 02:46:27,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:27,922 INFO L85 PathProgramCache]: Analyzing trace with hash -827498274, now seen corresponding path program 1 times [2022-12-06 02:46:27,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:27,929 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853516262] [2022-12-06 02:46:27,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:27,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:28,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:28,462 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 02:46:28,463 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:28,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853516262] [2022-12-06 02:46:28,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853516262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:28,465 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:28,465 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 02:46:28,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428587038] [2022-12-06 02:46:28,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:28,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:46:28,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:28,494 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:46:28,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:46:28,495 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 37 [2022-12-06 02:46:28,497 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 37 transitions, 98 flow. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 02:46:28,497 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:28,497 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 37 [2022-12-06 02:46:28,498 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:28,960 INFO L130 PetriNetUnfolder]: 2606/3582 cut-off events. [2022-12-06 02:46:28,960 INFO L131 PetriNetUnfolder]: For 189/189 co-relation queries the response was YES. [2022-12-06 02:46:28,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7115 conditions, 3582 events. 2606/3582 cut-off events. For 189/189 co-relation queries the response was YES. Maximal size of possible extension queue 210. Compared 15988 event pairs, 498 based on Foata normal form. 1/2315 useless extension candidates. Maximal degree in co-relation 5886. Up to 2275 conditions per place. [2022-12-06 02:46:28,984 INFO L137 encePairwiseOnDemand]: 33/37 looper letters, 47 selfloop transitions, 3 changer transitions 1/57 dead transitions. [2022-12-06 02:46:28,984 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 57 transitions, 255 flow [2022-12-06 02:46:28,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:46:28,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:46:28,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 70 transitions. [2022-12-06 02:46:28,994 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6306306306306306 [2022-12-06 02:46:28,997 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 2 predicate places. [2022-12-06 02:46:28,998 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:28,998 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 57 transitions, 255 flow [2022-12-06 02:46:29,019 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 57 transitions, 255 flow [2022-12-06 02:46:29,020 INFO L188 LiptonReduction]: Number of co-enabled transitions 302 [2022-12-06 02:46:29,188 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:46:29,189 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 192 [2022-12-06 02:46:29,189 INFO L495 AbstractCegarLoop]: Abstraction has has 46 places, 57 transitions, 255 flow [2022-12-06 02:46:29,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 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 02:46:29,190 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:29,190 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:29,190 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 02:46:29,190 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 2 more)] === [2022-12-06 02:46:29,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:29,191 INFO L85 PathProgramCache]: Analyzing trace with hash 1672093138, now seen corresponding path program 1 times [2022-12-06 02:46:29,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:29,191 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248628719] [2022-12-06 02:46:29,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:29,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:29,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:46:29,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:29,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248628719] [2022-12-06 02:46:29,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248628719] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:29,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:29,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:46:29,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817744240] [2022-12-06 02:46:29,340 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:29,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:46:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:46:29,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:46:29,342 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 38 [2022-12-06 02:46:29,342 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 57 transitions, 255 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 02:46:29,342 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:29,342 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 38 [2022-12-06 02:46:29,342 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:29,970 INFO L130 PetriNetUnfolder]: 3843/5237 cut-off events. [2022-12-06 02:46:29,970 INFO L131 PetriNetUnfolder]: For 971/993 co-relation queries the response was YES. [2022-12-06 02:46:29,978 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15240 conditions, 5237 events. 3843/5237 cut-off events. For 971/993 co-relation queries the response was YES. Maximal size of possible extension queue 279. Compared 24442 event pairs, 458 based on Foata normal form. 0/3647 useless extension candidates. Maximal degree in co-relation 12025. Up to 3577 conditions per place. [2022-12-06 02:46:30,010 INFO L137 encePairwiseOnDemand]: 34/38 looper letters, 88 selfloop transitions, 3 changer transitions 2/97 dead transitions. [2022-12-06 02:46:30,011 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 97 transitions, 632 flow [2022-12-06 02:46:30,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:46:30,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:46:30,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 72 transitions. [2022-12-06 02:46:30,013 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.631578947368421 [2022-12-06 02:46:30,014 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 4 predicate places. [2022-12-06 02:46:30,015 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:30,015 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 97 transitions, 632 flow [2022-12-06 02:46:30,051 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 97 transitions, 632 flow [2022-12-06 02:46:30,052 INFO L188 LiptonReduction]: Number of co-enabled transitions 304 [2022-12-06 02:46:30,213 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:46:30,214 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 200 [2022-12-06 02:46:30,214 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 97 transitions, 632 flow [2022-12-06 02:46:30,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 02:46:30,215 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:30,215 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, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:30,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 02:46:30,215 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 2 more)] === [2022-12-06 02:46:30,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:30,216 INFO L85 PathProgramCache]: Analyzing trace with hash -1326937867, now seen corresponding path program 1 times [2022-12-06 02:46:30,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:30,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474275560] [2022-12-06 02:46:30,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:30,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:30,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:30,334 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:46:30,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:30,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474275560] [2022-12-06 02:46:30,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474275560] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:30,337 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:30,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-06 02:46:30,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001192726] [2022-12-06 02:46:30,338 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:30,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 02:46:30,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:30,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 02:46:30,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 02:46:30,340 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 4 out of 39 [2022-12-06 02:46:30,340 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 97 transitions, 632 flow. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 02:46:30,340 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:30,340 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 4 of 39 [2022-12-06 02:46:30,341 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:31,105 INFO L130 PetriNetUnfolder]: 5071/6865 cut-off events. [2022-12-06 02:46:31,106 INFO L131 PetriNetUnfolder]: For 3204/3212 co-relation queries the response was YES. [2022-12-06 02:46:31,116 INFO L83 FinitePrefix]: Finished finitePrefix Result has 25927 conditions, 6865 events. 5071/6865 cut-off events. For 3204/3212 co-relation queries the response was YES. Maximal size of possible extension queue 295. Compared 31577 event pairs, 479 based on Foata normal form. 0/5113 useless extension candidates. Maximal degree in co-relation 20152. Up to 4577 conditions per place. [2022-12-06 02:46:31,155 INFO L137 encePairwiseOnDemand]: 36/39 looper letters, 136 selfloop transitions, 4 changer transitions 10/155 dead transitions. [2022-12-06 02:46:31,156 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 155 transitions, 1327 flow [2022-12-06 02:46:31,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 02:46:31,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 02:46:31,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 71 transitions. [2022-12-06 02:46:31,158 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6068376068376068 [2022-12-06 02:46:31,159 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 6 predicate places. [2022-12-06 02:46:31,159 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:31,160 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 155 transitions, 1327 flow [2022-12-06 02:46:31,197 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 155 transitions, 1327 flow [2022-12-06 02:46:31,198 INFO L188 LiptonReduction]: Number of co-enabled transitions 164 [2022-12-06 02:46:31,205 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:46:31,206 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 47 [2022-12-06 02:46:31,206 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 155 transitions, 1327 flow [2022-12-06 02:46:31,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 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 02:46:31,206 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:31,207 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:31,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 02:46:31,210 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 2 more)] === [2022-12-06 02:46:31,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:31,216 INFO L85 PathProgramCache]: Analyzing trace with hash -816930943, now seen corresponding path program 1 times [2022-12-06 02:46:31,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:31,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197159612] [2022-12-06 02:46:31,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:31,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:31,362 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:46:31,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:31,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197159612] [2022-12-06 02:46:31,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197159612] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:31,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:31,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 02:46:31,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359214236] [2022-12-06 02:46:31,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:31,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:46:31,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:31,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:46:31,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:46:31,365 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 39 [2022-12-06 02:46:31,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 155 transitions, 1327 flow. Second operand has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 02:46:31,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:31,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 39 [2022-12-06 02:46:31,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:32,421 INFO L130 PetriNetUnfolder]: 6368/8765 cut-off events. [2022-12-06 02:46:32,421 INFO L131 PetriNetUnfolder]: For 8155/8161 co-relation queries the response was YES. [2022-12-06 02:46:32,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 40543 conditions, 8765 events. 6368/8765 cut-off events. For 8155/8161 co-relation queries the response was YES. Maximal size of possible extension queue 374. Compared 43594 event pairs, 842 based on Foata normal form. 0/6725 useless extension candidates. Maximal degree in co-relation 24720. Up to 5940 conditions per place. [2022-12-06 02:46:32,499 INFO L137 encePairwiseOnDemand]: 35/39 looper letters, 182 selfloop transitions, 3 changer transitions 23/216 dead transitions. [2022-12-06 02:46:32,499 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 216 transitions, 2291 flow [2022-12-06 02:46:32,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:46:32,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:46:32,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 84 transitions. [2022-12-06 02:46:32,504 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5384615384615384 [2022-12-06 02:46:32,505 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 9 predicate places. [2022-12-06 02:46:32,506 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:32,506 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 216 transitions, 2291 flow [2022-12-06 02:46:32,574 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 216 transitions, 2291 flow [2022-12-06 02:46:32,574 INFO L188 LiptonReduction]: Number of co-enabled transitions 254 [2022-12-06 02:46:33,292 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:46:33,294 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 789 [2022-12-06 02:46:33,294 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 215 transitions, 2281 flow [2022-12-06 02:46:33,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.5) internal successors, (50), 4 states have internal predecessors, (50), 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 02:46:33,294 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:33,294 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:33,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 02:46:33,294 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 2 more)] === [2022-12-06 02:46:33,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:33,295 INFO L85 PathProgramCache]: Analyzing trace with hash 2081664213, now seen corresponding path program 1 times [2022-12-06 02:46:33,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:33,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93847007] [2022-12-06 02:46:33,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:33,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:33,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:33,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:46:33,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:33,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93847007] [2022-12-06 02:46:33,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93847007] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:33,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:33,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 02:46:33,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435074383] [2022-12-06 02:46:33,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:33,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 02:46:33,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:33,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 02:46:33,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 02:46:33,485 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 6 out of 40 [2022-12-06 02:46:33,485 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 215 transitions, 2281 flow. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 02:46:33,486 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:33,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 6 of 40 [2022-12-06 02:46:33,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:34,700 INFO L130 PetriNetUnfolder]: 8003/11170 cut-off events. [2022-12-06 02:46:34,700 INFO L131 PetriNetUnfolder]: For 15662/15670 co-relation queries the response was YES. [2022-12-06 02:46:34,730 INFO L83 FinitePrefix]: Finished finitePrefix Result has 60925 conditions, 11170 events. 8003/11170 cut-off events. For 15662/15670 co-relation queries the response was YES. Maximal size of possible extension queue 481. Compared 59917 event pairs, 1500 based on Foata normal form. 0/8809 useless extension candidates. Maximal degree in co-relation 29288. Up to 7432 conditions per place. [2022-12-06 02:46:34,778 INFO L137 encePairwiseOnDemand]: 35/40 looper letters, 231 selfloop transitions, 3 changer transitions 52/294 dead transitions. [2022-12-06 02:46:34,778 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 294 transitions, 3721 flow [2022-12-06 02:46:34,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 02:46:34,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 02:46:34,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 88 transitions. [2022-12-06 02:46:34,780 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.55 [2022-12-06 02:46:34,783 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 11 predicate places. [2022-12-06 02:46:34,783 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:34,783 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 294 transitions, 3721 flow [2022-12-06 02:46:34,849 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 294 transitions, 3721 flow [2022-12-06 02:46:34,850 INFO L188 LiptonReduction]: Number of co-enabled transitions 372 [2022-12-06 02:46:42,503 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 02:46:42,504 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7721 [2022-12-06 02:46:42,504 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 293 transitions, 3709 flow [2022-12-06 02:46:42,504 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 states have internal predecessors, (49), 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 02:46:42,504 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:42,504 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:42,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 02:46:42,505 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 2 more)] === [2022-12-06 02:46:42,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:42,505 INFO L85 PathProgramCache]: Analyzing trace with hash -811223003, now seen corresponding path program 1 times [2022-12-06 02:46:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:42,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388676664] [2022-12-06 02:46:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:42,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:42,962 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:46:42,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:42,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388676664] [2022-12-06 02:46:42,962 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388676664] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:42,962 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:42,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 02:46:42,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895219925] [2022-12-06 02:46:42,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:42,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 02:46:42,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:42,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 02:46:42,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 02:46:42,965 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:46:42,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 293 transitions, 3709 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:42,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:42,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:46:42,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:45,189 INFO L130 PetriNetUnfolder]: 16055/22364 cut-off events. [2022-12-06 02:46:45,189 INFO L131 PetriNetUnfolder]: For 38122/38122 co-relation queries the response was YES. [2022-12-06 02:46:45,236 INFO L83 FinitePrefix]: Finished finitePrefix Result has 135420 conditions, 22364 events. 16055/22364 cut-off events. For 38122/38122 co-relation queries the response was YES. Maximal size of possible extension queue 740. Compared 121757 event pairs, 1752 based on Foata normal form. 0/18552 useless extension candidates. Maximal degree in co-relation 59519. Up to 13271 conditions per place. [2022-12-06 02:46:45,323 INFO L137 encePairwiseOnDemand]: 31/42 looper letters, 557 selfloop transitions, 54 changer transitions 257/868 dead transitions. [2022-12-06 02:46:45,323 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 868 transitions, 12414 flow [2022-12-06 02:46:45,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 02:46:45,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 02:46:45,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 205 transitions. [2022-12-06 02:46:45,326 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4880952380952381 [2022-12-06 02:46:45,326 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 19 predicate places. [2022-12-06 02:46:45,327 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:45,327 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 868 transitions, 12414 flow [2022-12-06 02:46:45,436 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 868 transitions, 12414 flow [2022-12-06 02:46:45,436 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:46:45,443 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:46:45,444 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 118 [2022-12-06 02:46:45,444 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 868 transitions, 12414 flow [2022-12-06 02:46:45,444 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:45,445 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:45,445 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:45,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 02:46:45,445 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 2 more)] === [2022-12-06 02:46:45,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:45,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1077503233, now seen corresponding path program 2 times [2022-12-06 02:46:45,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:45,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259013527] [2022-12-06 02:46:45,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:45,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:45,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:45,925 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:46:45,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:45,926 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259013527] [2022-12-06 02:46:45,926 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259013527] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:45,926 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:45,926 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 02:46:45,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448975135] [2022-12-06 02:46:45,926 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:45,927 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 02:46:45,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:45,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 02:46:45,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 02:46:45,928 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:46:45,929 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 868 transitions, 12414 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:45,929 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:45,929 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:46:45,929 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:50,442 INFO L130 PetriNetUnfolder]: 24185/33804 cut-off events. [2022-12-06 02:46:50,443 INFO L131 PetriNetUnfolder]: For 79935/79935 co-relation queries the response was YES. [2022-12-06 02:46:50,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242489 conditions, 33804 events. 24185/33804 cut-off events. For 79935/79935 co-relation queries the response was YES. Maximal size of possible extension queue 1129. Compared 198882 event pairs, 822 based on Foata normal form. 0/28232 useless extension candidates. Maximal degree in co-relation 135072. Up to 20857 conditions per place. [2022-12-06 02:46:50,691 INFO L137 encePairwiseOnDemand]: 32/42 looper letters, 1332 selfloop transitions, 172 changer transitions 619/2123 dead transitions. [2022-12-06 02:46:50,691 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 2123 transitions, 34283 flow [2022-12-06 02:46:50,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 02:46:50,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 02:46:50,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 207 transitions. [2022-12-06 02:46:50,693 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5476190476190477 [2022-12-06 02:46:50,694 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 27 predicate places. [2022-12-06 02:46:50,696 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:50,697 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 2123 transitions, 34283 flow [2022-12-06 02:46:50,901 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 71 places, 2123 transitions, 34283 flow [2022-12-06 02:46:50,902 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:46:50,914 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:46:50,915 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 221 [2022-12-06 02:46:50,915 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 2123 transitions, 34283 flow [2022-12-06 02:46:50,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:50,915 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:50,916 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:50,916 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 02:46:50,916 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:46:50,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:50,916 INFO L85 PathProgramCache]: Analyzing trace with hash -260467861, now seen corresponding path program 3 times [2022-12-06 02:46:50,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:50,917 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [743511902] [2022-12-06 02:46:50,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:50,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:51,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:46:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:46:51,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:46:51,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [743511902] [2022-12-06 02:46:51,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [743511902] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 02:46:51,484 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 02:46:51,484 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 02:46:51,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289396262] [2022-12-06 02:46:51,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:46:51,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 02:46:51,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:46:51,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 02:46:51,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-06 02:46:51,485 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:46:51,485 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 2123 transitions, 34283 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:51,485 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:46:51,486 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:46:51,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:46:59,060 INFO L130 PetriNetUnfolder]: 24881/35036 cut-off events. [2022-12-06 02:46:59,060 INFO L131 PetriNetUnfolder]: For 86224/86224 co-relation queries the response was YES. [2022-12-06 02:46:59,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 286414 conditions, 35036 events. 24881/35036 cut-off events. For 86224/86224 co-relation queries the response was YES. Maximal size of possible extension queue 1178. Compared 210850 event pairs, 794 based on Foata normal form. 0/29436 useless extension candidates. Maximal degree in co-relation 159296. Up to 23355 conditions per place. [2022-12-06 02:46:59,487 INFO L137 encePairwiseOnDemand]: 33/42 looper letters, 1596 selfloop transitions, 155 changer transitions 1033/2784 dead transitions. [2022-12-06 02:46:59,488 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 2784 transitions, 50459 flow [2022-12-06 02:46:59,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 02:46:59,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 02:46:59,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 128 transitions. [2022-12-06 02:46:59,489 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5079365079365079 [2022-12-06 02:46:59,491 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 32 predicate places. [2022-12-06 02:46:59,492 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:46:59,492 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 2784 transitions, 50459 flow [2022-12-06 02:46:59,712 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 2784 transitions, 50459 flow [2022-12-06 02:46:59,712 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:46:59,725 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:46:59,727 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 236 [2022-12-06 02:46:59,728 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 2784 transitions, 50459 flow [2022-12-06 02:46:59,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:46:59,728 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:46:59,728 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:46:59,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 02:46:59,728 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:46:59,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:46:59,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1071805519, now seen corresponding path program 4 times [2022-12-06 02:46:59,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:46:59,729 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809605252] [2022-12-06 02:46:59,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:46:59,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:46:59,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:47:00,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:47:00,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:47:00,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809605252] [2022-12-06 02:47:00,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809605252] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:47:00,227 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1410679156] [2022-12-06 02:47:00,228 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-06 02:47:00,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:47:00,228 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:47:00,231 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 02:47:00,262 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 02:47:00,375 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-06 02:47:00,375 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:47:00,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 17 conjunts are in the unsatisfiable core [2022-12-06 02:47:00,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:47:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:47:00,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:47:00,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:47:00,985 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1410679156] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:47:00,986 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:47:00,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7, 6] total 19 [2022-12-06 02:47:00,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1033787728] [2022-12-06 02:47:00,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:47:00,987 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 02:47:00,987 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:47:00,988 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 02:47:00,988 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2022-12-06 02:47:00,988 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:47:00,989 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 2784 transitions, 50459 flow. Second operand has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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 02:47:00,989 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:47:00,989 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:47:00,989 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:47:21,755 INFO L130 PetriNetUnfolder]: 56493/77166 cut-off events. [2022-12-06 02:47:21,756 INFO L131 PetriNetUnfolder]: For 149920/149920 co-relation queries the response was YES. [2022-12-06 02:47:21,935 INFO L83 FinitePrefix]: Finished finitePrefix Result has 706878 conditions, 77166 events. 56493/77166 cut-off events. For 149920/149920 co-relation queries the response was YES. Maximal size of possible extension queue 2544. Compared 480171 event pairs, 703 based on Foata normal form. 0/64654 useless extension candidates. Maximal degree in co-relation 419089. Up to 55938 conditions per place. [2022-12-06 02:47:22,319 INFO L137 encePairwiseOnDemand]: 23/42 looper letters, 4389 selfloop transitions, 1707 changer transitions 2848/8944 dead transitions. [2022-12-06 02:47:22,319 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 96 places, 8944 transitions, 178333 flow [2022-12-06 02:47:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-06 02:47:22,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-06 02:47:22,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 396 transitions. [2022-12-06 02:47:22,321 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4489795918367347 [2022-12-06 02:47:22,322 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 52 predicate places. [2022-12-06 02:47:22,322 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:47:22,323 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 8944 transitions, 178333 flow [2022-12-06 02:47:22,838 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 8944 transitions, 178333 flow [2022-12-06 02:47:22,839 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:47:22,872 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:47:22,873 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 551 [2022-12-06 02:47:22,873 INFO L495 AbstractCegarLoop]: Abstraction has has 96 places, 8944 transitions, 178333 flow [2022-12-06 02:47:22,873 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.3333333333333335) internal successors, (30), 8 states have internal predecessors, (30), 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 02:47:22,873 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:47:22,873 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:47:22,883 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 02:47:23,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:47:23,079 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:47:23,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:47:23,079 INFO L85 PathProgramCache]: Analyzing trace with hash 367955461, now seen corresponding path program 5 times [2022-12-06 02:47:23,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:47:23,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262922780] [2022-12-06 02:47:23,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:47:23,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:47:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:47:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:47:23,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:47:23,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262922780] [2022-12-06 02:47:23,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262922780] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:47:23,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [482383017] [2022-12-06 02:47:23,440 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-06 02:47:23,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:47:23,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:47:23,442 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 02:47:23,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 02:47:23,571 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 02:47:23,572 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:47:23,574 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-06 02:47:23,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:47:23,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:47:23,776 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:47:23,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:47:23,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [482383017] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:47:23,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:47:23,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 7] total 17 [2022-12-06 02:47:23,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527738841] [2022-12-06 02:47:23,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:47:23,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 02:47:23,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:47:23,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 02:47:23,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2022-12-06 02:47:23,949 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:47:23,949 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 8944 transitions, 178333 flow. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:47:23,949 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:47:23,949 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:47:23,949 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:48:52,707 INFO L130 PetriNetUnfolder]: 70450/96239 cut-off events. [2022-12-06 02:48:52,707 INFO L131 PetriNetUnfolder]: For 185122/185122 co-relation queries the response was YES. [2022-12-06 02:48:52,982 INFO L83 FinitePrefix]: Finished finitePrefix Result has 984136 conditions, 96239 events. 70450/96239 cut-off events. For 185122/185122 co-relation queries the response was YES. Maximal size of possible extension queue 3174. Compared 613470 event pairs, 707 based on Foata normal form. 220/79639 useless extension candidates. Maximal degree in co-relation 595424. Up to 74039 conditions per place. [2022-12-06 02:48:53,496 INFO L137 encePairwiseOnDemand]: 25/42 looper letters, 6997 selfloop transitions, 1874 changer transitions 3280/12151 dead transitions. [2022-12-06 02:48:53,496 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 12151 transitions, 265718 flow [2022-12-06 02:48:53,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-06 02:48:53,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-06 02:48:53,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 321 transitions. [2022-12-06 02:48:53,498 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5095238095238095 [2022-12-06 02:48:53,498 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 66 predicate places. [2022-12-06 02:48:53,499 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:48:53,499 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 12151 transitions, 265718 flow [2022-12-06 02:48:54,212 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 12151 transitions, 265718 flow [2022-12-06 02:48:54,212 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:48:54,249 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:48:54,250 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 752 [2022-12-06 02:48:54,250 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 12151 transitions, 265718 flow [2022-12-06 02:48:54,250 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:48:54,250 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:48:54,250 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:48:54,255 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-06 02:48:54,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-12-06 02:48:54,451 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:48:54,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:48:54,452 INFO L85 PathProgramCache]: Analyzing trace with hash -428083169, now seen corresponding path program 6 times [2022-12-06 02:48:54,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:48:54,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526218364] [2022-12-06 02:48:54,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:48:54,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:48:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:48:55,022 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:48:55,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:48:55,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526218364] [2022-12-06 02:48:55,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526218364] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:48:55,023 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212427263] [2022-12-06 02:48:55,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-06 02:48:55,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:48:55,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:48:55,028 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 02:48:55,030 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 02:48:55,168 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 2 check-sat command(s) [2022-12-06 02:48:55,168 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:48:55,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-06 02:48:55,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:48:55,387 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:48:55,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:48:55,631 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:48:55,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212427263] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:48:55,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:48:55,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7, 6] total 18 [2022-12-06 02:48:55,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [585765182] [2022-12-06 02:48:55,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:48:55,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 02:48:55,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:48:55,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 02:48:55,632 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=274, Unknown=0, NotChecked=0, Total=342 [2022-12-06 02:48:55,632 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:48:55,633 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 12151 transitions, 265718 flow. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:48:55,633 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:48:55,633 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:48:55,633 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:51:59,099 INFO L130 PetriNetUnfolder]: 86601/117760 cut-off events. [2022-12-06 02:51:59,100 INFO L131 PetriNetUnfolder]: For 219731/219731 co-relation queries the response was YES. [2022-12-06 02:51:59,417 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1324986 conditions, 117760 events. 86601/117760 cut-off events. For 219731/219731 co-relation queries the response was YES. Maximal size of possible extension queue 3735. Compared 759114 event pairs, 847 based on Foata normal form. 0/96944 useless extension candidates. Maximal degree in co-relation 840405. Up to 94410 conditions per place. [2022-12-06 02:52:00,201 INFO L137 encePairwiseOnDemand]: 23/42 looper letters, 9427 selfloop transitions, 3059 changer transitions 3458/15944 dead transitions. [2022-12-06 02:52:00,201 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 15944 transitions, 378584 flow [2022-12-06 02:52:00,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-06 02:52:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-06 02:52:00,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 245 transitions. [2022-12-06 02:52:00,202 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5303030303030303 [2022-12-06 02:52:00,203 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 76 predicate places. [2022-12-06 02:52:00,203 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:52:00,203 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 120 places, 15944 transitions, 378584 flow [2022-12-06 02:52:01,378 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 120 places, 15944 transitions, 378584 flow [2022-12-06 02:52:01,378 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:52:01,431 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:52:01,432 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1229 [2022-12-06 02:52:01,432 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 15944 transitions, 378584 flow [2022-12-06 02:52:01,432 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:52:01,432 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:52:01,432 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:52:01,439 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-06 02:52:01,638 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:52:01,638 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:52:01,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:52:01,639 INFO L85 PathProgramCache]: Analyzing trace with hash 2063885151, now seen corresponding path program 7 times [2022-12-06 02:52:01,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:52:01,639 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81050605] [2022-12-06 02:52:01,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:52:01,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:52:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:52:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:52:01,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:52:01,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81050605] [2022-12-06 02:52:01,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81050605] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:52:01,959 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000714408] [2022-12-06 02:52:01,959 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-12-06 02:52:01,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:52:01,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:52:01,961 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 02:52:01,964 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-06 02:52:02,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:52:02,119 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 13 conjunts are in the unsatisfiable core [2022-12-06 02:52:02,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:52:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:52:02,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:52:02,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 02:52:02,447 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000714408] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:52:02,447 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:52:02,448 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 7] total 17 [2022-12-06 02:52:02,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432787294] [2022-12-06 02:52:02,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:52:02,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 02:52:02,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:52:02,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 02:52:02,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2022-12-06 02:52:02,449 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:52:02,449 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 15944 transitions, 378584 flow. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:52:02,449 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:52:02,449 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:52:02,449 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 02:56:51,758 INFO L130 PetriNetUnfolder]: 87215/118570 cut-off events. [2022-12-06 02:56:51,758 INFO L131 PetriNetUnfolder]: For 222908/222908 co-relation queries the response was YES. [2022-12-06 02:56:52,057 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453775 conditions, 118570 events. 87215/118570 cut-off events. For 222908/222908 co-relation queries the response was YES. Maximal size of possible extension queue 3760. Compared 764619 event pairs, 839 based on Foata normal form. 278/97740 useless extension candidates. Maximal degree in co-relation 922431. Up to 95210 conditions per place. [2022-12-06 02:56:52,865 INFO L137 encePairwiseOnDemand]: 25/42 looper letters, 9442 selfloop transitions, 3057 changer transitions 3703/16202 dead transitions. [2022-12-06 02:56:52,865 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 133 places, 16202 transitions, 417202 flow [2022-12-06 02:56:52,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 02:56:52,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 02:56:52,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 309 transitions. [2022-12-06 02:56:52,867 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5255102040816326 [2022-12-06 02:56:52,867 INFO L294 CegarLoopForPetriNet]: 44 programPoint places, 89 predicate places. [2022-12-06 02:56:52,868 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 02:56:52,868 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 133 places, 16202 transitions, 417202 flow [2022-12-06 02:56:54,475 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 133 places, 16202 transitions, 417202 flow [2022-12-06 02:56:54,476 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 02:56:54,576 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 02:56:54,577 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1710 [2022-12-06 02:56:54,577 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 16202 transitions, 417202 flow [2022-12-06 02:56:54,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 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 02:56:54,578 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 02:56:54,578 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, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 02:56:54,588 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-06 02:56:54,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:56:54,784 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 02:56:54,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 02:56:54,785 INFO L85 PathProgramCache]: Analyzing trace with hash -64615385, now seen corresponding path program 8 times [2022-12-06 02:56:54,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 02:56:54,785 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35412141] [2022-12-06 02:56:54,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 02:56:54,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 02:56:54,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 02:56:55,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:56:55,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 02:56:55,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35412141] [2022-12-06 02:56:55,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35412141] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 02:56:55,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [734302337] [2022-12-06 02:56:55,316 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-06 02:56:55,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 02:56:55,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 02:56:55,318 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 02:56:55,320 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-06 02:56:55,523 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-06 02:56:55,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-06 02:56:55,525 INFO L263 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-06 02:56:55,527 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 02:56:55,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:56:55,661 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 02:56:55,817 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 02:56:55,817 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [734302337] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 02:56:55,818 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 02:56:55,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 12 [2022-12-06 02:56:55,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187598971] [2022-12-06 02:56:55,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 02:56:55,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 02:56:55,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 02:56:55,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 02:56:55,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-12-06 02:56:55,821 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 42 [2022-12-06 02:56:55,821 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 16202 transitions, 417202 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 5 states have internal predecessors, (30), 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 02:56:55,821 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 02:56:55,821 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 42 [2022-12-06 02:56:55,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand Received shutdown request... [2022-12-06 02:59:36,155 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 02:59:36,155 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 02:59:36,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-06 02:59:36,342 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 02:59:36,348 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-06 02:59:36,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-12-06 02:59:36,543 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). [2022-12-06 02:59:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2022-12-06 02:59:36,545 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 02:59:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 02:59:36,546 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2022-12-06 02:59:36,546 INFO L458 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1, 1, 1] [2022-12-06 02:59:36,548 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 02:59:36,548 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 02:59:36,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 02:59:36 BasicIcfg [2022-12-06 02:59:36,550 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 02:59:36,551 INFO L158 Benchmark]: Toolchain (without parser) took 800177.98ms. Allocated memory was 206.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 182.7MB in the beginning and 2.0GB in the end (delta: -1.8GB). Peak memory consumption was 3.3GB. Max. memory is 8.0GB. [2022-12-06 02:59:36,551 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 206.6MB. Free memory was 183.4MB in the beginning and 183.3MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 02:59:36,551 INFO L158 Benchmark]: CACSL2BoogieTranslator took 338.12ms. Allocated memory is still 206.6MB. Free memory was 182.7MB in the beginning and 166.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2022-12-06 02:59:36,551 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.46ms. Allocated memory is still 206.6MB. Free memory was 166.4MB in the beginning and 163.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 02:59:36,551 INFO L158 Benchmark]: Boogie Preprocessor took 45.39ms. Allocated memory is still 206.6MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 02:59:36,552 INFO L158 Benchmark]: RCFGBuilder took 801.99ms. Allocated memory is still 206.6MB. Free memory was 161.7MB in the beginning and 118.2MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-12-06 02:59:36,552 INFO L158 Benchmark]: TraceAbstraction took 798913.65ms. Allocated memory was 206.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 117.7MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. [2022-12-06 02:59:36,553 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 206.6MB. Free memory was 183.4MB in the beginning and 183.3MB in the end (delta: 69.0kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 338.12ms. Allocated memory is still 206.6MB. Free memory was 182.7MB in the beginning and 166.4MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 68.46ms. Allocated memory is still 206.6MB. Free memory was 166.4MB in the beginning and 163.8MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 45.39ms. Allocated memory is still 206.6MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 801.99ms. Allocated memory is still 206.6MB. Free memory was 161.7MB in the beginning and 118.2MB in the end (delta: 43.5MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * TraceAbstraction took 798913.65ms. Allocated memory was 206.6MB in the beginning and 4.0GB in the end (delta: 3.8GB). Free memory was 117.7MB in the beginning and 2.0GB in the end (delta: -1.9GB). Peak memory consumption was 3.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.8s, 193 PlacesBefore, 44 PlacesAfterwards, 198 TransitionsBefore, 37 TransitionsAfterwards, 2000 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 118 TrivialYvCompositions, 31 ConcurrentYvCompositions, 12 ChoiceCompositions, 161 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1113, independent: 1087, independent conditional: 1087, independent unconditional: 0, dependent: 26, dependent conditional: 26, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1113, independent: 1087, independent conditional: 0, independent unconditional: 1087, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1113, independent: 1087, independent conditional: 0, independent unconditional: 1087, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1113, independent: 1087, independent conditional: 0, independent unconditional: 1087, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 994, independent: 979, independent conditional: 0, independent unconditional: 979, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 994, independent: 977, independent conditional: 0, independent unconditional: 977, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1113, independent: 108, independent conditional: 0, independent unconditional: 108, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 994, unknown conditional: 0, unknown unconditional: 994] , Statistics on independence cache: Total cache size (in pairs): 1454, Positive cache size: 1439, Positive conditional cache size: 0, Positive unconditional cache size: 1439, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15, 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: 0.2s, 46 PlacesBefore, 46 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 302 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 48 PlacesBefore, 48 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 304 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 50 PlacesBefore, 50 PlacesAfterwards, 155 TransitionsBefore, 155 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.7s, 53 PlacesBefore, 52 PlacesAfterwards, 216 TransitionsBefore, 215 TransitionsAfterwards, 254 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.7s, 55 PlacesBefore, 54 PlacesAfterwards, 294 TransitionsBefore, 293 TransitionsAfterwards, 372 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 63 PlacesBefore, 63 PlacesAfterwards, 868 TransitionsBefore, 868 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 71 PlacesBefore, 71 PlacesAfterwards, 2123 TransitionsBefore, 2123 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 76 PlacesBefore, 76 PlacesAfterwards, 2784 TransitionsBefore, 2784 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 96 PlacesBefore, 96 PlacesAfterwards, 8944 TransitionsBefore, 8944 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 110 PlacesBefore, 110 PlacesAfterwards, 12151 TransitionsBefore, 12151 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 120 PlacesBefore, 120 PlacesAfterwards, 15944 TransitionsBefore, 15944 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.1s, 133 PlacesBefore, 133 PlacesAfterwards, 16202 TransitionsBefore, 16202 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 152]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). - TimeoutResultAtElement [Line: 142]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). - TimeoutResultAtElement [Line: 143]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). - TimeoutResultAtElement [Line: 144]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was enhancing Floyd-Hoare automaton (6states, 0/42 universal loopers) in iteration 13,while PetriNetUnfolder was constructing finite prefix that currently has 833214 conditions, 63368 events (46634/63367 cut-off events. For 152173/152173 co-relation queries the response was YES. Maximal size of possible extension queue 4076. Compared 418204 event pairs, 582 based on Foata normal form. 699/57406 useless extension candidates. Maximal degree in co-relation 417046. Up to 42961 conditions per place.). - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 231 locations, 5 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: 798.8s, OverallIterations: 13, TraceHistogramMax: 1, PathProgramHistogramMax: 8, EmptinessCheckTime: 0.0s, AutomataDifference: 766.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1712 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1712 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 3.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 145 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4055 IncrementalHoareTripleChecker+Invalid, 4200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 145 mSolverCounterUnsat, 4 mSDtfsCounter, 4055 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 260 SyntacticMatches, 1 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 677 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=417202occurred in iteration=12, InterpolantAutomatonStates: 103, 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: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 536 NumberOfCodeBlocks, 536 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 663 ConstructedInterpolants, 0 QuantifiedInterpolants, 4705 SizeOfPredicates, 44 NumberOfNonLiveVariables, 1720 ConjunctsInSsa, 65 ConjunctsInUnsatCore, 23 InterpolantComputations, 13 PerfectInterpolantSequences, 32/42 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