/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix035.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:05:36,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:05:36,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:05:36,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:05:36,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:05:36,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:05:36,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:05:36,721 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:05:36,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:05:36,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:05:36,730 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:05:36,732 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:05:36,732 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:05:36,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:05:36,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:05:36,738 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:05:36,739 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:05:36,740 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:05:36,742 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:05:36,749 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:05:36,750 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:05:36,752 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:05:36,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:05:36,753 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:05:36,760 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:05:36,760 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:05:36,761 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:05:36,762 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:05:36,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:05:36,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:05:36,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:05:36,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:05:36,766 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:05:36,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:05:36,767 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:05:36,768 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:05:36,768 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:05:36,768 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:05:36,768 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:05:36,769 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:05:36,770 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:05:36,774 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 01:05:36,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:05:36,809 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:05:36,811 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:05:36,811 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:05:36,812 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:05:36,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:05:36,812 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:05:36,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:05:36,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:05:36,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:05:36,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:05:36,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:05:36,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:05:36,825 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:05:36,825 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:05:36,825 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:05:36,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:05:36,826 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:05:36,826 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:05:36,826 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:05:36,826 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:05:36,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:05:36,826 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:05:36,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:05:36,827 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:05:36,827 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:05:36,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:05:36,827 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:05:36,827 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:05:37,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:05:37,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:05:37,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:05:37,138 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:05:37,141 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:05:37,144 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix035.oepc.i [2022-12-06 01:05:38,174 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:05:38,457 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:05:38,457 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035.oepc.i [2022-12-06 01:05:38,486 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8be5d55/ef7eea7720a64e588fdd64a96369d840/FLAG9f8d3a4f9 [2022-12-06 01:05:38,509 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ef8be5d55/ef7eea7720a64e588fdd64a96369d840 [2022-12-06 01:05:38,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:05:38,512 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:05:38,513 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:05:38,513 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:05:38,515 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:05:38,517 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:38,518 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8a2d43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38, skipping insertion in model container [2022-12-06 01:05:38,518 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:38,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:05:38,584 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:05:38,706 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035.oepc.i[945,958] [2022-12-06 01:05:38,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,853 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,854 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,855 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,856 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,869 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,886 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,888 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,893 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,895 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,896 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,897 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,898 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:05:38,910 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:05:38,921 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix035.oepc.i[945,958] [2022-12-06 01:05:38,944 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,945 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,946 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,947 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,948 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,950 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,951 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,953 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,961 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,962 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,963 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,965 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,966 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:05:38,967 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:05:38,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:05:38,997 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:05:38,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38 WrapperNode [2022-12-06 01:05:38,998 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:05:38,999 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:05:38,999 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:05:38,999 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:05:39,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,065 INFO L138 Inliner]: procedures = 176, calls = 58, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 131 [2022-12-06 01:05:39,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:05:39,066 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:05:39,066 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:05:39,066 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:05:39,073 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,083 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,084 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,097 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,099 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:05:39,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:05:39,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:05:39,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:05:39,115 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (1/1) ... [2022-12-06 01:05:39,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:05:39,128 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:05:39,180 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 01:05:39,198 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 01:05:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:05:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:05:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:05:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:05:39,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:05:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:05:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-06 01:05:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:05:39,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:05:39,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:05:39,211 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 01:05:39,380 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:05:39,382 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:05:39,706 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:05:39,829 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:05:39,829 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:05:39,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:39 BoogieIcfgContainer [2022-12-06 01:05:39,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:05:39,833 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:05:39,834 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:05:39,836 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:05:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:05:38" (1/3) ... [2022-12-06 01:05:39,836 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0588f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:05:39, skipping insertion in model container [2022-12-06 01:05:39,836 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:05:38" (2/3) ... [2022-12-06 01:05:39,837 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0588f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:05:39, skipping insertion in model container [2022-12-06 01:05:39,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:05:39" (3/3) ... [2022-12-06 01:05:39,838 INFO L112 eAbstractionObserver]: Analyzing ICFG mix035.oepc.i [2022-12-06 01:05:39,851 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:05:39,851 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:05:39,852 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:05:39,892 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:05:39,926 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 121 places, 113 transitions, 241 flow [2022-12-06 01:05:39,978 INFO L130 PetriNetUnfolder]: 2/110 cut-off events. [2022-12-06 01:05:39,978 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:05:39,984 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-12-06 01:05:39,984 INFO L82 GeneralOperation]: Start removeDead. Operand has 121 places, 113 transitions, 241 flow [2022-12-06 01:05:39,987 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 118 places, 110 transitions, 229 flow [2022-12-06 01:05:39,988 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:40,004 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 118 places, 110 transitions, 229 flow [2022-12-06 01:05:40,011 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 118 places, 110 transitions, 229 flow [2022-12-06 01:05:40,042 INFO L130 PetriNetUnfolder]: 2/110 cut-off events. [2022-12-06 01:05:40,042 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:05:40,043 INFO L83 FinitePrefix]: Finished finitePrefix Result has 120 conditions, 110 events. 2/110 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 60 event pairs, 0 based on Foata normal form. 0/106 useless extension candidates. Maximal degree in co-relation 71. Up to 2 conditions per place. [2022-12-06 01:05:40,046 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 118 places, 110 transitions, 229 flow [2022-12-06 01:05:40,046 INFO L188 LiptonReduction]: Number of co-enabled transitions 2096 [2022-12-06 01:05:43,550 INFO L203 LiptonReduction]: Total number of compositions: 86 [2022-12-06 01:05:43,571 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:05:43,578 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;@65d7c9da, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:05:43,579 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-12-06 01:05:43,581 INFO L130 PetriNetUnfolder]: 0/2 cut-off events. [2022-12-06 01:05:43,582 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:05:43,582 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:43,583 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-06 01:05:43,584 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:43,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:43,593 INFO L85 PathProgramCache]: Analyzing trace with hash 481496, now seen corresponding path program 1 times [2022-12-06 01:05:43,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:43,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565008009] [2022-12-06 01:05:43,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:43,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:43,929 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 01:05:43,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:43,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565008009] [2022-12-06 01:05:43,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565008009] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:43,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:43,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:05:43,931 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620266869] [2022-12-06 01:05:43,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:43,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:05:43,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:43,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:05:43,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:05:43,952 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 29 [2022-12-06 01:05:43,953 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 29 transitions, 67 flow. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 01:05:43,953 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:43,953 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 29 [2022-12-06 01:05:43,954 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:44,213 INFO L130 PetriNetUnfolder]: 1330/2127 cut-off events. [2022-12-06 01:05:44,213 INFO L131 PetriNetUnfolder]: For 16/16 co-relation queries the response was YES. [2022-12-06 01:05:44,220 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4141 conditions, 2127 events. 1330/2127 cut-off events. For 16/16 co-relation queries the response was YES. Maximal size of possible extension queue 122. Compared 11682 event pairs, 214 based on Foata normal form. 0/1913 useless extension candidates. Maximal degree in co-relation 4130. Up to 1594 conditions per place. [2022-12-06 01:05:44,227 INFO L137 encePairwiseOnDemand]: 24/29 looper letters, 33 selfloop transitions, 2 changer transitions 8/45 dead transitions. [2022-12-06 01:05:44,228 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 45 transitions, 191 flow [2022-12-06 01:05:44,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:05:44,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:05:44,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 54 transitions. [2022-12-06 01:05:44,236 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6206896551724138 [2022-12-06 01:05:44,240 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2022-12-06 01:05:44,241 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:44,241 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 45 transitions, 191 flow [2022-12-06 01:05:44,252 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 45 transitions, 191 flow [2022-12-06 01:05:44,252 INFO L188 LiptonReduction]: Number of co-enabled transitions 98 [2022-12-06 01:05:44,568 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:05:44,569 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 329 [2022-12-06 01:05:44,570 INFO L495 AbstractCegarLoop]: Abstraction has has 36 places, 43 transitions, 187 flow [2022-12-06 01:05:44,570 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 01:05:44,570 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:44,570 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:44,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:05:44,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:44,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:44,571 INFO L85 PathProgramCache]: Analyzing trace with hash 259675895, now seen corresponding path program 1 times [2022-12-06 01:05:44,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:44,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [593764346] [2022-12-06 01:05:44,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:44,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:44,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:44,774 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 01:05:44,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:44,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [593764346] [2022-12-06 01:05:44,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [593764346] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:44,775 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:44,775 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:05:44,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003664184] [2022-12-06 01:05:44,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:44,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:05:44,777 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:44,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:05:44,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:05:44,777 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:44,777 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 43 transitions, 187 flow. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 01:05:44,777 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:44,778 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:44,778 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:44,993 INFO L130 PetriNetUnfolder]: 1250/1855 cut-off events. [2022-12-06 01:05:44,994 INFO L131 PetriNetUnfolder]: For 17/17 co-relation queries the response was YES. [2022-12-06 01:05:44,996 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5613 conditions, 1855 events. 1250/1855 cut-off events. For 17/17 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7838 event pairs, 100 based on Foata normal form. 0/1675 useless extension candidates. Maximal degree in co-relation 5599. Up to 1504 conditions per place. [2022-12-06 01:05:45,000 INFO L137 encePairwiseOnDemand]: 22/25 looper letters, 45 selfloop transitions, 3 changer transitions 12/60 dead transitions. [2022-12-06 01:05:45,000 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 60 transitions, 375 flow [2022-12-06 01:05:45,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:05:45,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:05:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 37 transitions. [2022-12-06 01:05:45,002 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49333333333333335 [2022-12-06 01:05:45,002 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 0 predicate places. [2022-12-06 01:05:45,002 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:45,003 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 60 transitions, 375 flow [2022-12-06 01:05:45,008 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 60 transitions, 375 flow [2022-12-06 01:05:45,008 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:45,009 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:45,010 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 8 [2022-12-06 01:05:45,010 INFO L495 AbstractCegarLoop]: Abstraction has has 38 places, 60 transitions, 375 flow [2022-12-06 01:05:45,010 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 01:05:45,010 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:45,010 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:45,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:05:45,011 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:45,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:45,011 INFO L85 PathProgramCache]: Analyzing trace with hash 438943172, now seen corresponding path program 1 times [2022-12-06 01:05:45,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:45,012 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539815841] [2022-12-06 01:05:45,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:45,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:45,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:45,209 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 01:05:45,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:45,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539815841] [2022-12-06 01:05:45,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539815841] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:45,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:45,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:05:45,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250950089] [2022-12-06 01:05:45,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:45,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:05:45,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:45,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:05:45,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:05:45,214 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:45,214 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 60 transitions, 375 flow. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 01:05:45,214 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:45,214 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:45,214 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:45,486 INFO L130 PetriNetUnfolder]: 937/1476 cut-off events. [2022-12-06 01:05:45,487 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:05:45,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5953 conditions, 1476 events. 937/1476 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 6353 event pairs, 35 based on Foata normal form. 96/1419 useless extension candidates. Maximal degree in co-relation 5936. Up to 1234 conditions per place. [2022-12-06 01:05:45,493 INFO L137 encePairwiseOnDemand]: 18/25 looper letters, 70 selfloop transitions, 9 changer transitions 76/155 dead transitions. [2022-12-06 01:05:45,494 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 155 transitions, 1264 flow [2022-12-06 01:05:45,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:05:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:05:45,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 71 transitions. [2022-12-06 01:05:45,497 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.568 [2022-12-06 01:05:45,498 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 4 predicate places. [2022-12-06 01:05:45,499 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:45,500 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 155 transitions, 1264 flow [2022-12-06 01:05:45,511 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 155 transitions, 1264 flow [2022-12-06 01:05:45,511 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:45,514 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:45,515 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 17 [2022-12-06 01:05:45,515 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 155 transitions, 1264 flow [2022-12-06 01:05:45,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 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 01:05:45,515 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:45,515 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:45,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:05:45,516 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:45,516 INFO L85 PathProgramCache]: Analyzing trace with hash 616864165, now seen corresponding path program 1 times [2022-12-06 01:05:45,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:45,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [164368666] [2022-12-06 01:05:45,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:45,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:45,714 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 01:05:45,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:45,714 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [164368666] [2022-12-06 01:05:45,714 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [164368666] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:45,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:45,715 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:05:45,715 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49363403] [2022-12-06 01:05:45,715 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:45,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:05:45,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:45,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:05:45,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:05:45,716 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:45,716 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 155 transitions, 1264 flow. Second operand has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:45,716 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:45,716 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:45,716 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:45,968 INFO L130 PetriNetUnfolder]: 726/1172 cut-off events. [2022-12-06 01:05:45,968 INFO L131 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2022-12-06 01:05:45,969 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5910 conditions, 1172 events. 726/1172 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 4940 event pairs, 11 based on Foata normal form. 51/1097 useless extension candidates. Maximal degree in co-relation 5890. Up to 974 conditions per place. [2022-12-06 01:05:45,972 INFO L137 encePairwiseOnDemand]: 18/25 looper letters, 74 selfloop transitions, 16 changer transitions 130/220 dead transitions. [2022-12-06 01:05:45,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 220 transitions, 2227 flow [2022-12-06 01:05:45,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:05:45,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:05:45,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 98 transitions. [2022-12-06 01:05:45,976 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.56 [2022-12-06 01:05:45,977 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 10 predicate places. [2022-12-06 01:05:45,977 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:45,977 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 220 transitions, 2227 flow [2022-12-06 01:05:45,987 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 220 transitions, 2227 flow [2022-12-06 01:05:45,988 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:45,988 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:45,995 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 18 [2022-12-06 01:05:45,996 INFO L495 AbstractCegarLoop]: Abstraction has has 48 places, 220 transitions, 2227 flow [2022-12-06 01:05:45,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:45,996 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:45,996 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:45,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:05:45,996 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:45,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:45,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1125377259, now seen corresponding path program 1 times [2022-12-06 01:05:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:45,997 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367280344] [2022-12-06 01:05:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:45,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:46,119 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 01:05:46,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:46,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367280344] [2022-12-06 01:05:46,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367280344] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:46,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:46,119 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:05:46,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295201422] [2022-12-06 01:05:46,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:46,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:05:46,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:46,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:05:46,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:05:46,120 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:46,120 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 220 transitions, 2227 flow. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:46,121 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:46,121 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:46,121 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:46,346 INFO L130 PetriNetUnfolder]: 957/1584 cut-off events. [2022-12-06 01:05:46,347 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:05:46,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9567 conditions, 1584 events. 957/1584 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 7432 event pairs, 3 based on Foata normal form. 0/1416 useless extension candidates. Maximal degree in co-relation 9544. Up to 1386 conditions per place. [2022-12-06 01:05:46,352 INFO L137 encePairwiseOnDemand]: 22/25 looper letters, 111 selfloop transitions, 9 changer transitions 288/408 dead transitions. [2022-12-06 01:05:46,353 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 408 transitions, 4941 flow [2022-12-06 01:05:46,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:05:46,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:05:46,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 57 transitions. [2022-12-06 01:05:46,354 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.57 [2022-12-06 01:05:46,356 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2022-12-06 01:05:46,356 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:46,356 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 408 transitions, 4941 flow [2022-12-06 01:05:46,367 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 408 transitions, 4941 flow [2022-12-06 01:05:46,367 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:46,368 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:46,369 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 13 [2022-12-06 01:05:46,369 INFO L495 AbstractCegarLoop]: Abstraction has has 51 places, 408 transitions, 4941 flow [2022-12-06 01:05:46,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:46,369 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:46,369 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:46,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:05:46,369 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:46,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:46,370 INFO L85 PathProgramCache]: Analyzing trace with hash 616371758, now seen corresponding path program 1 times [2022-12-06 01:05:46,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:46,370 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550729140] [2022-12-06 01:05:46,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:46,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:46,506 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 01:05:46,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:46,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550729140] [2022-12-06 01:05:46,507 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550729140] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:46,507 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:46,507 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:05:46,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173435233] [2022-12-06 01:05:46,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:46,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:05:46,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:46,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:05:46,508 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:05:46,508 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:46,508 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 408 transitions, 4941 flow. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:46,508 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:46,508 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:46,508 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:46,854 INFO L130 PetriNetUnfolder]: 1302/2203 cut-off events. [2022-12-06 01:05:46,854 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:05:46,857 INFO L83 FinitePrefix]: Finished finitePrefix Result has 15485 conditions, 2203 events. 1302/2203 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 11684 event pairs, 6 based on Foata normal form. 0/1975 useless extension candidates. Maximal degree in co-relation 15459. Up to 1939 conditions per place. [2022-12-06 01:05:46,863 INFO L137 encePairwiseOnDemand]: 21/25 looper letters, 120 selfloop transitions, 9 changer transitions 575/704 dead transitions. [2022-12-06 01:05:46,863 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 704 transitions, 9901 flow [2022-12-06 01:05:46,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:05:46,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:05:46,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 49 transitions. [2022-12-06 01:05:46,864 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49 [2022-12-06 01:05:46,865 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 16 predicate places. [2022-12-06 01:05:46,865 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:46,865 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 704 transitions, 9901 flow [2022-12-06 01:05:46,882 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 704 transitions, 9901 flow [2022-12-06 01:05:46,882 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:46,884 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:46,885 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 20 [2022-12-06 01:05:46,885 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 704 transitions, 9901 flow [2022-12-06 01:05:46,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:46,885 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:46,885 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:46,885 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 01:05:46,885 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:46,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:46,886 INFO L85 PathProgramCache]: Analyzing trace with hash 6949682, now seen corresponding path program 2 times [2022-12-06 01:05:46,886 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:46,886 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1767085970] [2022-12-06 01:05:46,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:46,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:46,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:47,011 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 01:05:47,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:47,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1767085970] [2022-12-06 01:05:47,011 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1767085970] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:47,011 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:47,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:05:47,012 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117108655] [2022-12-06 01:05:47,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:47,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 01:05:47,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:47,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 01:05:47,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-06 01:05:47,012 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:47,013 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 704 transitions, 9901 flow. Second operand has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:47,013 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:47,013 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:47,013 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:47,517 INFO L130 PetriNetUnfolder]: 1225/2051 cut-off events. [2022-12-06 01:05:47,517 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:05:47,520 INFO L83 FinitePrefix]: Finished finitePrefix Result has 16473 conditions, 2051 events. 1225/2051 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 124. Compared 10684 event pairs, 0 based on Foata normal form. 37/1869 useless extension candidates. Maximal degree in co-relation 16444. Up to 1792 conditions per place. [2022-12-06 01:05:47,527 INFO L137 encePairwiseOnDemand]: 18/25 looper letters, 40 selfloop transitions, 19 changer transitions 666/725 dead transitions. [2022-12-06 01:05:47,527 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 725 transitions, 11645 flow [2022-12-06 01:05:47,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 01:05:47,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 01:05:47,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 100 transitions. [2022-12-06 01:05:47,529 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4444444444444444 [2022-12-06 01:05:47,529 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 24 predicate places. [2022-12-06 01:05:47,530 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:47,530 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 725 transitions, 11645 flow [2022-12-06 01:05:47,550 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 725 transitions, 11645 flow [2022-12-06 01:05:47,550 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:47,552 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:47,553 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 24 [2022-12-06 01:05:47,553 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 725 transitions, 11645 flow [2022-12-06 01:05:47,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 5 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:47,553 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:05:47,553 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:47,553 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 01:05:47,553 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2022-12-06 01:05:47,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:05:47,554 INFO L85 PathProgramCache]: Analyzing trace with hash 815481316, now seen corresponding path program 1 times [2022-12-06 01:05:47,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:05:47,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355639754] [2022-12-06 01:05:47,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:05:47,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:05:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:05:48,016 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 01:05:48,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:05:48,016 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355639754] [2022-12-06 01:05:48,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355639754] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:05:48,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:05:48,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 01:05:48,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006280015] [2022-12-06 01:05:48,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:05:48,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-06 01:05:48,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:05:48,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-06 01:05:48,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-06 01:05:48,017 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 25 [2022-12-06 01:05:48,017 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 725 transitions, 11645 flow. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:48,017 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:05:48,018 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 25 [2022-12-06 01:05:48,018 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:05:48,600 INFO L130 PetriNetUnfolder]: 1483/2539 cut-off events. [2022-12-06 01:05:48,600 INFO L131 PetriNetUnfolder]: For 24/24 co-relation queries the response was YES. [2022-12-06 01:05:48,602 INFO L83 FinitePrefix]: Finished finitePrefix Result has 22917 conditions, 2539 events. 1483/2539 cut-off events. For 24/24 co-relation queries the response was YES. Maximal size of possible extension queue 165. Compared 14300 event pairs, 0 based on Foata normal form. 0/2267 useless extension candidates. Maximal degree in co-relation 22885. Up to 2280 conditions per place. [2022-12-06 01:05:48,607 INFO L137 encePairwiseOnDemand]: 19/25 looper letters, 0 selfloop transitions, 0 changer transitions 1069/1069 dead transitions. [2022-12-06 01:05:48,607 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 1069 transitions, 19299 flow [2022-12-06 01:05:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-06 01:05:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-06 01:05:48,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 66 transitions. [2022-12-06 01:05:48,610 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.37714285714285717 [2022-12-06 01:05:48,624 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 29 predicate places. [2022-12-06 01:05:48,624 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:05:48,624 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 1069 transitions, 19299 flow [2022-12-06 01:05:48,658 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 1069 transitions, 19299 flow [2022-12-06 01:05:48,659 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:05:48,661 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:05:48,664 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 40 [2022-12-06 01:05:48,664 INFO L495 AbstractCegarLoop]: Abstraction has has 67 places, 1069 transitions, 19299 flow [2022-12-06 01:05:48,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 01:05:48,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining) [2022-12-06 01:05:48,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2022-12-06 01:05:48,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 6 remaining) [2022-12-06 01:05:48,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 6 remaining) [2022-12-06 01:05:48,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining) [2022-12-06 01:05:48,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2022-12-06 01:05:48,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-06 01:05:48,668 INFO L458 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1] [2022-12-06 01:05:48,673 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:05:48,673 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:05:48,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:05:48 BasicIcfg [2022-12-06 01:05:48,676 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:05:48,677 INFO L158 Benchmark]: Toolchain (without parser) took 10164.49ms. Allocated memory was 221.2MB in the beginning and 533.7MB in the end (delta: 312.5MB). Free memory was 195.2MB in the beginning and 452.7MB in the end (delta: -257.5MB). Peak memory consumption was 56.0MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,677 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 221.2MB. Free memory is still 198.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:05:48,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.80ms. Allocated memory is still 221.2MB. Free memory was 195.2MB in the beginning and 168.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.31ms. Allocated memory is still 221.2MB. Free memory was 168.5MB in the beginning and 165.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,678 INFO L158 Benchmark]: Boogie Preprocessor took 35.63ms. Allocated memory is still 221.2MB. Free memory was 165.9MB in the beginning and 163.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,678 INFO L158 Benchmark]: RCFGBuilder took 729.59ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 163.8MB in the beginning and 238.2MB in the end (delta: -74.5MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,678 INFO L158 Benchmark]: TraceAbstraction took 8842.84ms. Allocated memory was 266.3MB in the beginning and 533.7MB in the end (delta: 267.4MB). Free memory was 237.7MB in the beginning and 452.7MB in the end (delta: -215.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. [2022-12-06 01:05:48,680 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 221.2MB. Free memory is still 198.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.80ms. Allocated memory is still 221.2MB. Free memory was 195.2MB in the beginning and 168.5MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.31ms. Allocated memory is still 221.2MB. Free memory was 168.5MB in the beginning and 165.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 35.63ms. Allocated memory is still 221.2MB. Free memory was 165.9MB in the beginning and 163.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 729.59ms. Allocated memory was 221.2MB in the beginning and 266.3MB in the end (delta: 45.1MB). Free memory was 163.8MB in the beginning and 238.2MB in the end (delta: -74.5MB). Peak memory consumption was 37.2MB. Max. memory is 8.0GB. * TraceAbstraction took 8842.84ms. Allocated memory was 266.3MB in the beginning and 533.7MB in the end (delta: 267.4MB). Free memory was 237.7MB in the beginning and 452.7MB in the end (delta: -215.0MB). Peak memory consumption was 52.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.5s, 118 PlacesBefore, 38 PlacesAfterwards, 110 TransitionsBefore, 29 TransitionsAfterwards, 2096 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 41 TrivialYvCompositions, 43 ConcurrentYvCompositions, 1 ChoiceCompositions, 86 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1525, independent: 1464, independent conditional: 1464, independent unconditional: 0, dependent: 61, dependent conditional: 61, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1525, independent: 1464, independent conditional: 0, independent unconditional: 1464, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1525, independent: 1464, independent conditional: 0, independent unconditional: 1464, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1525, independent: 1464, independent conditional: 0, independent unconditional: 1464, dependent: 61, dependent conditional: 0, dependent unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1241, independent: 1206, independent conditional: 0, independent unconditional: 1206, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1241, independent: 1186, independent conditional: 0, independent unconditional: 1186, dependent: 55, dependent conditional: 0, dependent unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 55, independent: 20, independent conditional: 0, independent unconditional: 20, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 144, independent: 22, independent conditional: 0, independent unconditional: 22, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1525, independent: 258, independent conditional: 0, independent unconditional: 258, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 1241, unknown conditional: 0, unknown unconditional: 1241] , Statistics on independence cache: Total cache size (in pairs): 1819, Positive cache size: 1784, Positive conditional cache size: 0, Positive unconditional cache size: 1784, Negative cache size: 35, Negative conditional cache size: 0, Negative unconditional cache size: 35, 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: 0.3s, 38 PlacesBefore, 36 PlacesAfterwards, 45 TransitionsBefore, 43 TransitionsAfterwards, 98 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 38 PlacesBefore, 38 PlacesAfterwards, 60 TransitionsBefore, 60 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, 42 PlacesBefore, 42 PlacesAfterwards, 155 TransitionsBefore, 155 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, 48 PlacesBefore, 48 PlacesAfterwards, 220 TransitionsBefore, 220 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, 51 PlacesBefore, 51 PlacesAfterwards, 408 TransitionsBefore, 408 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, 54 PlacesBefore, 54 PlacesAfterwards, 704 TransitionsBefore, 704 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, 62 PlacesBefore, 62 PlacesAfterwards, 725 TransitionsBefore, 725 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, 67 PlacesBefore, 67 PlacesAfterwards, 1069 TransitionsBefore, 1069 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 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 142 locations, 6 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: 8.7s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 330 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 330 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 851 IncrementalHoareTripleChecker+Invalid, 890 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 0 mSDtfsCounter, 851 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19299occurred in iteration=8, InterpolantAutomatonStates: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 392 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 01:05:48,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...