/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-SemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-12 18:35:26,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-12 18:35:26,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-12 18:35:26,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-12 18:35:26,741 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-12 18:35:26,742 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-12 18:35:26,742 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-12 18:35:26,749 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-12 18:35:26,752 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-12 18:35:26,756 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-12 18:35:26,757 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-12 18:35:26,758 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-12 18:35:26,759 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-12 18:35:26,761 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-12 18:35:26,763 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-12 18:35:26,766 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-12 18:35:26,766 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-12 18:35:26,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-12 18:35:26,768 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-12 18:35:26,769 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-12 18:35:26,769 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-12 18:35:26,773 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-12 18:35:26,774 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-12 18:35:26,775 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-12 18:35:26,779 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-12 18:35:26,779 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-12 18:35:26,779 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-12 18:35:26,780 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-12 18:35:26,780 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-12 18:35:26,780 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-12 18:35:26,781 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-12 18:35:26,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-12 18:35:26,782 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-12 18:35:26,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-12 18:35:26,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-12 18:35:26,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-12 18:35:26,783 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-12 18:35:26,783 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-12 18:35:26,784 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-12 18:35:26,784 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-12 18:35:26,785 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-12 18:35:26,792 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-SemanticLbe.epf [2022-12-12 18:35:26,815 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-12 18:35:26,815 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-12 18:35:26,816 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-12 18:35:26,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-12 18:35:26,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * Use SBE=true [2022-12-12 18:35:26,817 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-12 18:35:26,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-12 18:35:26,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-12 18:35:26,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:35:26,819 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-12 18:35:26,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-12 18:35:26,819 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-12 18:35:27,055 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-12 18:35:27,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-12 18:35:27,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-12 18:35:27,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-12 18:35:27,078 INFO L275 PluginConnector]: CDTParser initialized [2022-12-12 18:35:27,079 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-12 18:35:28,091 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-12 18:35:28,354 INFO L351 CDTParser]: Found 1 translation units. [2022-12-12 18:35:28,363 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-12 18:35:28,375 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2362425/68acd5086ee145cea533e706fe862ab8/FLAG9c88635f1 [2022-12-12 18:35:28,393 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad2362425/68acd5086ee145cea533e706fe862ab8 [2022-12-12 18:35:28,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-12 18:35:28,396 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-12 18:35:28,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-12 18:35:28,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-12 18:35:28,400 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-12 18:35:28,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7205a745 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28, skipping insertion in model container [2022-12-12 18:35:28,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-12 18:35:28,453 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-12 18:35:28,582 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/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-12-12 18:35:28,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,751 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,752 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,768 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,769 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,770 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,771 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,772 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,788 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,790 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,795 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,797 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:35:28,810 INFO L203 MainTranslator]: Completed pre-run [2022-12-12 18:35:28,819 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/mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i[986,999] [2022-12-12 18:35:28,844 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,845 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,846 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,847 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,849 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,850 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,858 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,859 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,860 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,861 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,863 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,864 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,867 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,868 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,871 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-12 18:35:28,872 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-12 18:35:28,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-12 18:35:28,905 INFO L208 MainTranslator]: Completed translation [2022-12-12 18:35:28,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28 WrapperNode [2022-12-12 18:35:28,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-12 18:35:28,908 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-12 18:35:28,908 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-12 18:35:28,909 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-12 18:35:28,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,941 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,975 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 144 [2022-12-12 18:35:28,976 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-12 18:35:28,977 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-12 18:35:28,977 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-12 18:35:28,977 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-12 18:35:28,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,997 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:28,997 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,005 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,008 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,010 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-12 18:35:29,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-12 18:35:29,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-12 18:35:29,022 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-12 18:35:29,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (1/1) ... [2022-12-12 18:35:29,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-12 18:35:29,035 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-12 18:35:29,045 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) [2022-12-12 18:35:29,057 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 [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-12 18:35:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-12 18:35:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-12 18:35:29,077 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-12 18:35:29,077 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-12 18:35:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-12 18:35:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-12 18:35:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-12 18:35:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-12 18:35:29,078 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-12 18:35:29,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-12 18:35:29,079 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-12 18:35:29,214 INFO L236 CfgBuilder]: Building ICFG [2022-12-12 18:35:29,222 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-12 18:35:29,496 INFO L277 CfgBuilder]: Performing block encoding [2022-12-12 18:35:29,576 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-12 18:35:29,576 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-12 18:35:29,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:35:29 BoogieIcfgContainer [2022-12-12 18:35:29,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-12 18:35:29,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-12 18:35:29,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-12 18:35:29,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-12 18:35:29,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.12 06:35:28" (1/3) ... [2022-12-12 18:35:29,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e996063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:35:29, skipping insertion in model container [2022-12-12 18:35:29,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.12 06:35:28" (2/3) ... [2022-12-12 18:35:29,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e996063 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.12 06:35:29, skipping insertion in model container [2022-12-12 18:35:29,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.12 06:35:29" (3/3) ... [2022-12-12 18:35:29,587 INFO L112 eAbstractionObserver]: Analyzing ICFG mix029_power.oepc_pso.oepc_rmo.oepc_tso.oepc_tso.opt.i [2022-12-12 18:35:29,600 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-12 18:35:29,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-12 18:35:29,601 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-12 18:35:29,657 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-12 18:35:29,715 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2022-12-12 18:35:29,774 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-12 18:35:29,775 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:35:29,779 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2022-12-12 18:35:29,780 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 130 transitions, 280 flow [2022-12-12 18:35:29,785 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 126 transitions, 264 flow [2022-12-12 18:35:29,787 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-12 18:35:29,803 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-12 18:35:29,809 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 137 places, 126 transitions, 264 flow [2022-12-12 18:35:29,841 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-12 18:35:29,845 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:35:29,847 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 71 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2022-12-12 18:35:29,849 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 137 places, 126 transitions, 264 flow [2022-12-12 18:35:29,849 INFO L226 LiptonReduction]: Number of co-enabled transitions 3164 [2022-12-12 18:35:34,501 INFO L241 LiptonReduction]: Total number of compositions: 99 [2022-12-12 18:35:34,512 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-12 18:35:34,517 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=PETRI_NET, 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;@4e2c7d4c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-12 18:35:34,517 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-12 18:35:34,518 INFO L130 PetriNetUnfolder]: 0/3 cut-off events. [2022-12-12 18:35:34,518 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-12 18:35:34,518 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:34,519 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2022-12-12 18:35:34,519 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:34,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 568663, now seen corresponding path program 1 times [2022-12-12 18:35:34,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:34,529 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907342047] [2022-12-12 18:35:34,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:34,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:34,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:34,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:34,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907342047] [2022-12-12 18:35:34,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907342047] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:34,808 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:34,808 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:35:34,809 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12909866] [2022-12-12 18:35:34,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:34,814 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:35:34,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:34,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:35:34,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:35:34,830 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 83 [2022-12-12 18:35:34,832 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 83 transitions, 178 flow. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-12-12 18:35:34,832 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:34,832 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 83 [2022-12-12 18:35:34,832 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:35:41,342 INFO L130 PetriNetUnfolder]: 66790/97374 cut-off events. [2022-12-12 18:35:41,342 INFO L131 PetriNetUnfolder]: For 144/144 co-relation queries the response was YES. [2022-12-12 18:35:41,493 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185663 conditions, 97374 events. 66790/97374 cut-off events. For 144/144 co-relation queries the response was YES. Maximal size of possible extension queue 4514. Compared 790516 event pairs, 9970 based on Foata normal form. 0/63342 useless extension candidates. Maximal degree in co-relation 185651. Up to 73765 conditions per place. [2022-12-12 18:35:41,608 INFO L137 encePairwiseOnDemand]: 78/83 looper letters, 48 selfloop transitions, 2 changer transitions 71/137 dead transitions. [2022-12-12 18:35:41,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 137 transitions, 535 flow [2022-12-12 18:35:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:35:41,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:35:41,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 176 transitions. [2022-12-12 18:35:41,617 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7068273092369478 [2022-12-12 18:35:41,620 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, 0 predicate places. [2022-12-12 18:35:41,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 95 places, 137 transitions, 535 flow [2022-12-12 18:35:41,880 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 66 transitions, 253 flow [2022-12-12 18:35:41,881 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 66 transitions, 253 flow [2022-12-12 18:35:41,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 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) [2022-12-12 18:35:41,882 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:41,882 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:35:41,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-12 18:35:41,882 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:41,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:41,889 INFO L85 PathProgramCache]: Analyzing trace with hash 486257866, now seen corresponding path program 1 times [2022-12-12 18:35:41,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:41,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454308576] [2022-12-12 18:35:41,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:41,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:42,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:42,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:42,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454308576] [2022-12-12 18:35:42,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454308576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:42,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:42,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-12 18:35:42,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [450998331] [2022-12-12 18:35:42,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:42,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:35:42,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:42,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:35:42,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:35:42,112 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 83 [2022-12-12 18:35:42,113 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 66 transitions, 253 flow. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-12-12 18:35:42,113 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:42,113 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 83 [2022-12-12 18:35:42,113 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:35:46,354 INFO L130 PetriNetUnfolder]: 44379/61813 cut-off events. [2022-12-12 18:35:46,354 INFO L131 PetriNetUnfolder]: For 9561/9561 co-relation queries the response was YES. [2022-12-12 18:35:46,458 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169456 conditions, 61813 events. 44379/61813 cut-off events. For 9561/9561 co-relation queries the response was YES. Maximal size of possible extension queue 2111. Compared 403692 event pairs, 6373 based on Foata normal form. 1348/53391 useless extension candidates. Maximal degree in co-relation 169441. Up to 41744 conditions per place. [2022-12-12 18:35:46,618 INFO L137 encePairwiseOnDemand]: 74/83 looper letters, 89 selfloop transitions, 11 changer transitions 2/113 dead transitions. [2022-12-12 18:35:46,618 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 113 transitions, 647 flow [2022-12-12 18:35:46,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:35:46,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:35:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 100 transitions. [2022-12-12 18:35:46,620 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.40160642570281124 [2022-12-12 18:35:46,620 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -34 predicate places. [2022-12-12 18:35:46,620 INFO L82 GeneralOperation]: Start removeDead. Operand has 61 places, 113 transitions, 647 flow [2022-12-12 18:35:46,782 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 60 places, 111 transitions, 639 flow [2022-12-12 18:35:46,782 INFO L495 AbstractCegarLoop]: Abstraction has has 60 places, 111 transitions, 639 flow [2022-12-12 18:35:46,783 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 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) [2022-12-12 18:35:46,783 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:46,783 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:35:46,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-12 18:35:46,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:46,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:46,783 INFO L85 PathProgramCache]: Analyzing trace with hash -2105874409, now seen corresponding path program 1 times [2022-12-12 18:35:46,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:46,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048164583] [2022-12-12 18:35:46,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:46,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:46,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:46,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:46,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:46,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2048164583] [2022-12-12 18:35:46,894 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2048164583] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:46,894 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:46,894 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 18:35:46,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468173344] [2022-12-12 18:35:46,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:46,894 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:35:46,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:46,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:35:46,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:35:46,895 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 83 [2022-12-12 18:35:46,895 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 111 transitions, 639 flow. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-12-12 18:35:46,895 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:46,895 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 83 [2022-12-12 18:35:46,895 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:35:50,331 INFO L130 PetriNetUnfolder]: 34525/48814 cut-off events. [2022-12-12 18:35:50,332 INFO L131 PetriNetUnfolder]: For 5388/5388 co-relation queries the response was YES. [2022-12-12 18:35:50,430 INFO L83 FinitePrefix]: Finished finitePrefix Result has 181760 conditions, 48814 events. 34525/48814 cut-off events. For 5388/5388 co-relation queries the response was YES. Maximal size of possible extension queue 1726. Compared 312777 event pairs, 1379 based on Foata normal form. 60/41050 useless extension candidates. Maximal degree in co-relation 181742. Up to 34522 conditions per place. [2022-12-12 18:35:50,631 INFO L137 encePairwiseOnDemand]: 74/83 looper letters, 133 selfloop transitions, 17 changer transitions 0/161 dead transitions. [2022-12-12 18:35:50,632 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 161 transitions, 1236 flow [2022-12-12 18:35:50,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 18:35:50,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 18:35:50,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 123 transitions. [2022-12-12 18:35:50,636 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3704819277108434 [2022-12-12 18:35:50,637 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -32 predicate places. [2022-12-12 18:35:50,637 INFO L82 GeneralOperation]: Start removeDead. Operand has 63 places, 161 transitions, 1236 flow [2022-12-12 18:35:50,950 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 63 places, 161 transitions, 1236 flow [2022-12-12 18:35:50,951 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 161 transitions, 1236 flow [2022-12-12 18:35:50,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-12-12 18:35:50,951 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:50,951 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:35:50,951 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-12 18:35:50,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:50,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:50,952 INFO L85 PathProgramCache]: Analyzing trace with hash -2105876858, now seen corresponding path program 1 times [2022-12-12 18:35:50,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:50,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31287946] [2022-12-12 18:35:50,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:50,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:51,110 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:51,110 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31287946] [2022-12-12 18:35:51,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31287946] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:51,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:51,112 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 18:35:51,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817348153] [2022-12-12 18:35:51,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:51,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:35:51,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:51,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:35:51,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:35:51,114 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 83 [2022-12-12 18:35:51,114 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 161 transitions, 1236 flow. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-12-12 18:35:51,114 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:51,115 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 83 [2022-12-12 18:35:51,115 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:35:54,633 INFO L130 PetriNetUnfolder]: 33913/47940 cut-off events. [2022-12-12 18:35:54,633 INFO L131 PetriNetUnfolder]: For 5365/5365 co-relation queries the response was YES. [2022-12-12 18:35:54,719 INFO L83 FinitePrefix]: Finished finitePrefix Result has 224037 conditions, 47940 events. 33913/47940 cut-off events. For 5365/5365 co-relation queries the response was YES. Maximal size of possible extension queue 1680. Compared 305393 event pairs, 1182 based on Foata normal form. 72/40296 useless extension candidates. Maximal degree in co-relation 224016. Up to 33898 conditions per place. [2022-12-12 18:35:54,914 INFO L137 encePairwiseOnDemand]: 74/83 looper letters, 178 selfloop transitions, 26 changer transitions 0/215 dead transitions. [2022-12-12 18:35:54,914 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 215 transitions, 2084 flow [2022-12-12 18:35:54,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 18:35:54,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 18:35:54,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 128 transitions. [2022-12-12 18:35:54,916 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3855421686746988 [2022-12-12 18:35:54,916 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -29 predicate places. [2022-12-12 18:35:54,916 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 215 transitions, 2084 flow [2022-12-12 18:35:55,125 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 66 places, 215 transitions, 2084 flow [2022-12-12 18:35:55,125 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 215 transitions, 2084 flow [2022-12-12 18:35:55,126 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2022-12-12 18:35:55,126 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:55,126 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:35:55,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-12 18:35:55,126 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:55,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:55,126 INFO L85 PathProgramCache]: Analyzing trace with hash -857598759, now seen corresponding path program 1 times [2022-12-12 18:35:55,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:55,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235374026] [2022-12-12 18:35:55,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:55,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:55,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:55,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:55,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:55,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235374026] [2022-12-12 18:35:55,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235374026] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:55,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:55,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 18:35:55,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851434906] [2022-12-12 18:35:55,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:55,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:35:55,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:55,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:35:55,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:35:55,231 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 83 [2022-12-12 18:35:55,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 215 transitions, 2084 flow. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-12-12 18:35:55,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:55,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 83 [2022-12-12 18:35:55,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:35:58,776 INFO L130 PetriNetUnfolder]: 32329/45559 cut-off events. [2022-12-12 18:35:58,776 INFO L131 PetriNetUnfolder]: For 5311/5311 co-relation queries the response was YES. [2022-12-12 18:35:58,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 257167 conditions, 45559 events. 32329/45559 cut-off events. For 5311/5311 co-relation queries the response was YES. Maximal size of possible extension queue 1552. Compared 284985 event pairs, 822 based on Foata normal form. 300/38455 useless extension candidates. Maximal degree in co-relation 257143. Up to 32462 conditions per place. [2022-12-12 18:35:59,061 INFO L137 encePairwiseOnDemand]: 75/83 looper letters, 260 selfloop transitions, 12 changer transitions 0/283 dead transitions. [2022-12-12 18:35:59,061 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 283 transitions, 3292 flow [2022-12-12 18:35:59,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-12 18:35:59,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-12 18:35:59,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 119 transitions. [2022-12-12 18:35:59,062 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.35843373493975905 [2022-12-12 18:35:59,063 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -26 predicate places. [2022-12-12 18:35:59,063 INFO L82 GeneralOperation]: Start removeDead. Operand has 69 places, 283 transitions, 3292 flow [2022-12-12 18:35:59,258 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 283 transitions, 3292 flow [2022-12-12 18:35:59,259 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 283 transitions, 3292 flow [2022-12-12 18:35:59,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 states have internal predecessors, (61), 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) [2022-12-12 18:35:59,259 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:35:59,259 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:35:59,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-12 18:35:59,259 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:35:59,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:35:59,260 INFO L85 PathProgramCache]: Analyzing trace with hash -815761164, now seen corresponding path program 1 times [2022-12-12 18:35:59,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:35:59,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880089846] [2022-12-12 18:35:59,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:35:59,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:35:59,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:35:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:35:59,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:35:59,363 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880089846] [2022-12-12 18:35:59,363 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880089846] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:35:59,363 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:35:59,363 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-12 18:35:59,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549558346] [2022-12-12 18:35:59,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:35:59,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-12 18:35:59,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:35:59,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-12 18:35:59,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-12 18:35:59,365 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 83 [2022-12-12 18:35:59,365 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 283 transitions, 3292 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-12-12 18:35:59,365 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:35:59,365 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 83 [2022-12-12 18:35:59,365 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:36:06,856 INFO L130 PetriNetUnfolder]: 65184/89408 cut-off events. [2022-12-12 18:36:06,856 INFO L131 PetriNetUnfolder]: For 157206/159915 co-relation queries the response was YES. [2022-12-12 18:36:07,081 INFO L83 FinitePrefix]: Finished finitePrefix Result has 546550 conditions, 89408 events. 65184/89408 cut-off events. For 157206/159915 co-relation queries the response was YES. Maximal size of possible extension queue 3132. Compared 576220 event pairs, 8390 based on Foata normal form. 5647/81734 useless extension candidates. Maximal degree in co-relation 546523. Up to 62072 conditions per place. [2022-12-12 18:36:07,456 INFO L137 encePairwiseOnDemand]: 68/83 looper letters, 336 selfloop transitions, 75 changer transitions 330/775 dead transitions. [2022-12-12 18:36:07,457 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 775 transitions, 10597 flow [2022-12-12 18:36:07,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-12 18:36:07,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-12 18:36:07,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 169 transitions. [2022-12-12 18:36:07,458 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.4072289156626506 [2022-12-12 18:36:07,458 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -22 predicate places. [2022-12-12 18:36:07,458 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 775 transitions, 10597 flow [2022-12-12 18:36:07,914 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 71 places, 445 transitions, 6057 flow [2022-12-12 18:36:07,914 INFO L495 AbstractCegarLoop]: Abstraction has has 71 places, 445 transitions, 6057 flow [2022-12-12 18:36:07,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 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) [2022-12-12 18:36:07,915 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:36:07,915 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:36:07,915 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-12 18:36:07,915 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:36:07,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:36:07,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1857196528, now seen corresponding path program 1 times [2022-12-12 18:36:07,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:36:07,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750565835] [2022-12-12 18:36:07,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:36:07,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:36:07,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:36:08,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:36:08,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:36:08,056 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1750565835] [2022-12-12 18:36:08,056 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1750565835] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:36:08,056 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:36:08,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-12 18:36:08,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821790669] [2022-12-12 18:36:08,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:36:08,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-12 18:36:08,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:36:08,057 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-12 18:36:08,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-12 18:36:08,057 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 83 [2022-12-12 18:36:08,057 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 445 transitions, 6057 flow. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-12-12 18:36:08,058 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:36:08,058 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 83 [2022-12-12 18:36:08,058 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:36:18,002 INFO L130 PetriNetUnfolder]: 80888/110882 cut-off events. [2022-12-12 18:36:18,003 INFO L131 PetriNetUnfolder]: For 279438/282328 co-relation queries the response was YES. [2022-12-12 18:36:18,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 766590 conditions, 110882 events. 80888/110882 cut-off events. For 279438/282328 co-relation queries the response was YES. Maximal size of possible extension queue 3800. Compared 734280 event pairs, 10198 based on Foata normal form. 2163/95813 useless extension candidates. Maximal degree in co-relation 766560. Up to 98142 conditions per place. [2022-12-12 18:36:18,841 INFO L137 encePairwiseOnDemand]: 80/83 looper letters, 544 selfloop transitions, 31 changer transitions 51/659 dead transitions. [2022-12-12 18:36:18,842 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 659 transitions, 10329 flow [2022-12-12 18:36:18,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-12 18:36:18,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-12 18:36:18,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 97 transitions. [2022-12-12 18:36:18,843 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.3895582329317269 [2022-12-12 18:36:18,843 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -22 predicate places. [2022-12-12 18:36:18,843 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 659 transitions, 10329 flow [2022-12-12 18:36:19,247 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 73 places, 608 transitions, 9501 flow [2022-12-12 18:36:19,248 INFO L495 AbstractCegarLoop]: Abstraction has has 73 places, 608 transitions, 9501 flow [2022-12-12 18:36:19,248 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2022-12-12 18:36:19,248 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:36:19,248 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:36:19,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-12 18:36:19,248 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:36:19,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:36:19,248 INFO L85 PathProgramCache]: Analyzing trace with hash 1114171805, now seen corresponding path program 1 times [2022-12-12 18:36:19,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:36:19,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1516581216] [2022-12-12 18:36:19,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:36:19,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:36:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:36:19,418 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:36:19,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:36:19,419 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1516581216] [2022-12-12 18:36:19,419 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1516581216] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:36:19,419 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:36:19,419 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-12 18:36:19,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1097982783] [2022-12-12 18:36:19,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:36:19,420 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-12 18:36:19,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:36:19,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-12 18:36:19,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-12 18:36:19,422 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 83 [2022-12-12 18:36:19,422 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 608 transitions, 9501 flow. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-12-12 18:36:19,422 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:36:19,422 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 83 [2022-12-12 18:36:19,422 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-12 18:36:30,026 INFO L130 PetriNetUnfolder]: 67033/97124 cut-off events. [2022-12-12 18:36:30,026 INFO L131 PetriNetUnfolder]: For 296436/302539 co-relation queries the response was YES. [2022-12-12 18:36:30,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 754544 conditions, 97124 events. 67033/97124 cut-off events. For 296436/302539 co-relation queries the response was YES. Maximal size of possible extension queue 4128. Compared 720515 event pairs, 5091 based on Foata normal form. 9885/91945 useless extension candidates. Maximal degree in co-relation 754511. Up to 85408 conditions per place. [2022-12-12 18:36:30,704 INFO L137 encePairwiseOnDemand]: 68/83 looper letters, 479 selfloop transitions, 213 changer transitions 428/1154 dead transitions. [2022-12-12 18:36:30,704 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 1154 transitions, 20360 flow [2022-12-12 18:36:30,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-12 18:36:30,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-12 18:36:30,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 207 transitions. [2022-12-12 18:36:30,706 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.41566265060240964 [2022-12-12 18:36:30,706 INFO L295 CegarLoopForPetriNet]: 95 programPoint places, -17 predicate places. [2022-12-12 18:36:30,706 INFO L82 GeneralOperation]: Start removeDead. Operand has 78 places, 1154 transitions, 20360 flow [2022-12-12 18:36:30,983 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 726 transitions, 12749 flow [2022-12-12 18:36:30,983 INFO L495 AbstractCegarLoop]: Abstraction has has 76 places, 726 transitions, 12749 flow [2022-12-12 18:36:30,983 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 5 states have internal predecessors, (80), 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) [2022-12-12 18:36:30,984 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-12 18:36:30,984 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-12 18:36:30,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-12 18:36:30,984 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-12 18:36:30,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-12 18:36:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 1696693856, now seen corresponding path program 1 times [2022-12-12 18:36:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-12 18:36:30,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162039914] [2022-12-12 18:36:30,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-12 18:36:30,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-12 18:36:31,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-12 18:36:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-12 18:36:31,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-12 18:36:31,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162039914] [2022-12-12 18:36:31,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162039914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-12 18:36:31,152 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-12 18:36:31,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-12 18:36:31,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204965540] [2022-12-12 18:36:31,153 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-12 18:36:31,154 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-12 18:36:31,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-12 18:36:31,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-12 18:36:31,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-12 18:36:31,155 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 83 [2022-12-12 18:36:31,155 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 726 transitions, 12749 flow. Second operand has 6 states, 6 states have (on average 16.0) internal successors, (96), 6 states have internal predecessors, (96), 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) [2022-12-12 18:36:31,155 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-12 18:36:31,156 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 83 [2022-12-12 18:36:31,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand