/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 04:26:22,899 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 04:26:22,901 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 04:26:22,941 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 04:26:22,941 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 04:26:22,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 04:26:22,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 04:26:22,954 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 04:26:22,957 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 04:26:22,958 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 04:26:22,958 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 04:26:22,959 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 04:26:22,959 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 04:26:22,960 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 04:26:22,961 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 04:26:22,962 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 04:26:22,963 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 04:26:22,963 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 04:26:22,965 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 04:26:22,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 04:26:22,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 04:26:22,968 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 04:26:22,969 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 04:26:22,970 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 04:26:22,973 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 04:26:22,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 04:26:22,973 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 04:26:22,974 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 04:26:22,974 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 04:26:22,975 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 04:26:22,975 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 04:26:22,976 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 04:26:22,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 04:26:22,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 04:26:22,978 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 04:26:22,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 04:26:22,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 04:26:22,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 04:26:22,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 04:26:22,980 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 04:26:22,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 04:26:22,984 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 [2022-12-13 04:26:23,022 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 04:26:23,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 04:26:23,024 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 04:26:23,024 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 04:26:23,025 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 04:26:23,025 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 04:26:23,026 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 04:26:23,026 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 04:26:23,026 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 04:26:23,026 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 04:26:23,027 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 04:26:23,028 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 04:26:23,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 04:26:23,028 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 04:26:23,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 04:26:23,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 04:26:23,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 04:26:23,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 04:26:23,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 04:26:23,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 04:26:23,029 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 04:26:23,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 04:26:23,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 04:26:23,029 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-13 04:26:23,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 04:26:23,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 04:26:23,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 04:26:23,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 04:26:23,382 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 04:26:23,384 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-12-13 04:26:24,623 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 04:26:24,819 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 04:26:24,819 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c [2022-12-13 04:26:24,825 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2191913db/bdc1da9341a141189fffe3957360a65a/FLAG988e6da86 [2022-12-13 04:26:24,837 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2191913db/bdc1da9341a141189fffe3957360a65a [2022-12-13 04:26:24,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 04:26:24,840 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 04:26:24,841 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 04:26:24,841 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 04:26:24,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 04:26:24,844 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:26:24" (1/1) ... [2022-12-13 04:26:24,845 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77519c47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:24, skipping insertion in model container [2022-12-13 04:26:24,845 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 04:26:24" (1/1) ... [2022-12-13 04:26:24,851 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 04:26:24,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 04:26:24,990 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:24,992 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:24,993 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:24,994 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:24,995 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:24,996 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:24,997 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:24,998 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:24,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:24,999 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,001 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,002 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,003 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,004 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,006 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,007 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,008 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,014 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,017 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,018 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,020 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,021 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,022 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,024 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,025 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,026 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,028 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,029 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,030 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,031 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,032 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,033 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,034 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,035 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,036 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,041 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,042 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,043 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,045 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,049 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,065 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-12-13 04:26:25,071 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 04:26:25,082 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 04:26:25,098 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,099 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,100 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,101 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,102 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,103 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,104 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,105 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,107 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,108 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,109 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,115 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,121 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,122 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,123 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,124 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,125 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,126 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,127 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,128 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,129 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,130 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,131 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 04:26:25,134 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 04:26:25,151 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-8.wvr.c[5274,5287] [2022-12-13 04:26:25,152 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 04:26:25,167 INFO L208 MainTranslator]: Completed translation [2022-12-13 04:26:25,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25 WrapperNode [2022-12-13 04:26:25,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 04:26:25,170 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 04:26:25,170 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 04:26:25,170 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 04:26:25,176 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,201 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,238 INFO L138 Inliner]: procedures = 27, calls = 130, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 358 [2022-12-13 04:26:25,238 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 04:26:25,239 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 04:26:25,239 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 04:26:25,239 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 04:26:25,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,265 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,280 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,283 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,285 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 04:26:25,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 04:26:25,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 04:26:25,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 04:26:25,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (1/1) ... [2022-12-13 04:26:25,302 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 04:26:25,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 04:26:25,332 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) [2022-12-13 04:26:25,340 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 [2022-12-13 04:26:25,373 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-13 04:26:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-13 04:26:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-13 04:26:25,374 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-13 04:26:25,374 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-13 04:26:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-13 04:26:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-13 04:26:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 04:26:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-13 04:26:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-13 04:26:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-13 04:26:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-13 04:26:25,375 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-12-13 04:26:25,375 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-12-13 04:26:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure thread8 [2022-12-13 04:26:25,376 INFO L138 BoogieDeclarations]: Found implementation of procedure thread8 [2022-12-13 04:26:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 04:26:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 04:26:25,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 04:26:25,377 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 04:26:25,377 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 04:26:25,378 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 04:26:25,537 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 04:26:25,539 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 04:26:25,968 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 04:26:26,121 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 04:26:26,121 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 04:26:26,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:26:26 BoogieIcfgContainer [2022-12-13 04:26:26,124 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 04:26:26,127 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 04:26:26,127 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 04:26:26,130 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 04:26:26,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 04:26:24" (1/3) ... [2022-12-13 04:26:26,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604d398e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:26:26, skipping insertion in model container [2022-12-13 04:26:26,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 04:26:25" (2/3) ... [2022-12-13 04:26:26,131 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@604d398e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 04:26:26, skipping insertion in model container [2022-12-13 04:26:26,131 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 04:26:26" (3/3) ... [2022-12-13 04:26:26,132 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-8.wvr.c [2022-12-13 04:26:26,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 04:26:26,150 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 04:26:26,150 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 04:26:26,284 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2022-12-13 04:26:26,328 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 250 places, 227 transitions, 518 flow [2022-12-13 04:26:26,479 INFO L130 PetriNetUnfolder]: 2/219 cut-off events. [2022-12-13 04:26:26,487 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 04:26:26,492 INFO L83 FinitePrefix]: Finished finitePrefix Result has 252 conditions, 219 events. 2/219 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 103 event pairs, 0 based on Foata normal form. 0/216 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2022-12-13 04:26:26,492 INFO L82 GeneralOperation]: Start removeDead. Operand has 250 places, 227 transitions, 518 flow [2022-12-13 04:26:26,505 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 222 places, 199 transitions, 446 flow [2022-12-13 04:26:26,507 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 04:26:26,534 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 222 places, 199 transitions, 446 flow [2022-12-13 04:26:26,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 222 places, 199 transitions, 446 flow [2022-12-13 04:26:26,602 INFO L130 PetriNetUnfolder]: 2/199 cut-off events. [2022-12-13 04:26:26,603 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 04:26:26,603 INFO L83 FinitePrefix]: Finished finitePrefix Result has 232 conditions, 199 events. 2/199 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 102 event pairs, 0 based on Foata normal form. 0/197 useless extension candidates. Maximal degree in co-relation 172. Up to 2 conditions per place. [2022-12-13 04:26:26,611 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 222 places, 199 transitions, 446 flow [2022-12-13 04:26:26,612 INFO L226 LiptonReduction]: Number of co-enabled transitions 5502 [2022-12-13 04:26:42,957 INFO L241 LiptonReduction]: Total number of compositions: 149 [2022-12-13 04:26:42,971 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 04:26:42,976 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;@61ab1892, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 04:26:42,976 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 04:26:42,988 INFO L130 PetriNetUnfolder]: 0/49 cut-off events. [2022-12-13 04:26:42,989 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-13 04:26:42,989 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 04:26:42,990 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 04:26:42,990 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 04:26:42,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 04:26:42,994 INFO L85 PathProgramCache]: Analyzing trace with hash 137922621, now seen corresponding path program 1 times [2022-12-13 04:26:43,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 04:26:43,002 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872642914] [2022-12-13 04:26:43,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 04:26:43,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 04:26:43,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 04:26:45,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 04:26:45,290 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 04:26:45,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872642914] [2022-12-13 04:26:45,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872642914] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 04:26:45,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 04:26:45,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 04:26:45,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109694123] [2022-12-13 04:26:45,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 04:26:45,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 04:26:45,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 04:26:45,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 04:26:45,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-12-13 04:26:45,328 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 50 [2022-12-13 04:26:45,329 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 50 transitions, 148 flow. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:26:45,329 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 04:26:45,330 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 50 [2022-12-13 04:26:45,330 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 04:27:05,864 INFO L130 PetriNetUnfolder]: 232377/283581 cut-off events. [2022-12-13 04:27:05,864 INFO L131 PetriNetUnfolder]: For 19884/19884 co-relation queries the response was YES. [2022-12-13 04:27:06,775 INFO L83 FinitePrefix]: Finished finitePrefix Result has 586214 conditions, 283581 events. 232377/283581 cut-off events. For 19884/19884 co-relation queries the response was YES. Maximal size of possible extension queue 5667. Compared 1404325 event pairs, 65501 based on Foata normal form. 1/283582 useless extension candidates. Maximal degree in co-relation 462248. Up to 136160 conditions per place. [2022-12-13 04:27:07,559 INFO L137 encePairwiseOnDemand]: 39/50 looper letters, 118 selfloop transitions, 17 changer transitions 16/151 dead transitions. [2022-12-13 04:27:07,559 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 151 transitions, 733 flow [2022-12-13 04:27:07,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 04:27:07,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 04:27:07,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 152 transitions. [2022-12-13 04:27:07,569 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.608 [2022-12-13 04:27:07,571 INFO L295 CegarLoopForPetriNet]: 75 programPoint places, 4 predicate places. [2022-12-13 04:27:07,572 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 151 transitions, 733 flow [2022-12-13 04:27:08,178 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 135 transitions, 645 flow [2022-12-13 04:27:09,807 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 04:27:09,808 INFO L89 Accepts]: Start accepts. Operand has 79 places, 135 transitions, 645 flow [2022-12-13 04:27:09,817 INFO L95 Accepts]: Finished accepts. [2022-12-13 04:27:09,817 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 04:27:09,818 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 135 transitions, 645 flow [2022-12-13 04:27:09,826 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 135 transitions, 645 flow [2022-12-13 04:27:09,826 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 04:27:11,660 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 04:27:11,663 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1856 [2022-12-13 04:27:11,663 INFO L495 AbstractCegarLoop]: Abstraction has has 79 places, 135 transitions, 645 flow [2022-12-13 04:27:11,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:27:11,663 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 04:27:11,663 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 04:27:11,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 04:27:11,664 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 04:27:11,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 04:27:11,664 INFO L85 PathProgramCache]: Analyzing trace with hash -1276697227, now seen corresponding path program 2 times [2022-12-13 04:27:11,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 04:27:11,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46139223] [2022-12-13 04:27:11,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 04:27:11,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 04:27:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 04:27:12,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 04:27:12,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 04:27:12,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46139223] [2022-12-13 04:27:12,852 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46139223] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 04:27:12,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 04:27:12,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 04:27:12,853 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175157772] [2022-12-13 04:27:12,853 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 04:27:12,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 04:27:12,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 04:27:12,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 04:27:12,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 04:27:12,856 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 50 [2022-12-13 04:27:12,856 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 135 transitions, 645 flow. Second operand has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:27:12,856 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 04:27:12,856 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 50 [2022-12-13 04:27:12,856 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 04:27:31,661 INFO L130 PetriNetUnfolder]: 226327/277531 cut-off events. [2022-12-13 04:27:31,662 INFO L131 PetriNetUnfolder]: For 21249/21249 co-relation queries the response was YES. [2022-12-13 04:27:32,518 INFO L83 FinitePrefix]: Finished finitePrefix Result has 851646 conditions, 277531 events. 226327/277531 cut-off events. For 21249/21249 co-relation queries the response was YES. Maximal size of possible extension queue 5830. Compared 1402265 event pairs, 43087 based on Foata normal form. 1/277532 useless extension candidates. Maximal degree in co-relation 667891. Up to 182641 conditions per place. [2022-12-13 04:27:33,347 INFO L137 encePairwiseOnDemand]: 39/50 looper letters, 138 selfloop transitions, 24 changer transitions 74/236 dead transitions. [2022-12-13 04:27:33,347 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 236 transitions, 1605 flow [2022-12-13 04:27:33,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 04:27:33,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-13 04:27:33,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 181 transitions. [2022-12-13 04:27:33,349 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6033333333333334 [2022-12-13 04:27:33,350 INFO L295 CegarLoopForPetriNet]: 75 programPoint places, 9 predicate places. [2022-12-13 04:27:33,350 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 236 transitions, 1605 flow [2022-12-13 04:27:34,020 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 84 places, 162 transitions, 1095 flow [2022-12-13 04:27:35,426 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 04:27:35,426 INFO L89 Accepts]: Start accepts. Operand has 84 places, 162 transitions, 1095 flow [2022-12-13 04:27:35,429 INFO L95 Accepts]: Finished accepts. [2022-12-13 04:27:35,429 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 04:27:35,429 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 162 transitions, 1095 flow [2022-12-13 04:27:35,431 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 162 transitions, 1095 flow [2022-12-13 04:27:35,432 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 04:27:37,257 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 04:27:37,258 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1832 [2022-12-13 04:27:37,259 INFO L495 AbstractCegarLoop]: Abstraction has has 84 places, 162 transitions, 1095 flow [2022-12-13 04:27:37,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:27:37,259 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 04:27:37,259 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 04:27:37,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 04:27:37,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 04:27:37,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 04:27:37,260 INFO L85 PathProgramCache]: Analyzing trace with hash 973242753, now seen corresponding path program 3 times [2022-12-13 04:27:37,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 04:27:37,260 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2121436213] [2022-12-13 04:27:37,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 04:27:37,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 04:27:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 04:27:37,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 04:27:37,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 04:27:37,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2121436213] [2022-12-13 04:27:37,707 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2121436213] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 04:27:37,707 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 04:27:37,707 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 04:27:37,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091021040] [2022-12-13 04:27:37,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 04:27:37,708 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 04:27:37,708 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 04:27:37,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 04:27:37,709 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 04:27:37,709 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 50 [2022-12-13 04:27:37,709 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 162 transitions, 1095 flow. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:27:37,709 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 04:27:37,709 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 50 [2022-12-13 04:27:37,709 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 04:27:55,466 INFO L130 PetriNetUnfolder]: 176912/215985 cut-off events. [2022-12-13 04:27:55,466 INFO L131 PetriNetUnfolder]: For 11818/11818 co-relation queries the response was YES. [2022-12-13 04:27:56,168 INFO L83 FinitePrefix]: Finished finitePrefix Result has 878008 conditions, 215985 events. 176912/215985 cut-off events. For 11818/11818 co-relation queries the response was YES. Maximal size of possible extension queue 4591. Compared 1054284 event pairs, 29948 based on Foata normal form. 508/216493 useless extension candidates. Maximal degree in co-relation 873283. Up to 211603 conditions per place. [2022-12-13 04:27:57,064 INFO L137 encePairwiseOnDemand]: 34/50 looper letters, 254 selfloop transitions, 35 changer transitions 0/289 dead transitions. [2022-12-13 04:27:57,064 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:57,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 04:27:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 04:27:57,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions. [2022-12-13 04:27:57,066 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.508 [2022-12-13 04:27:57,066 INFO L295 CegarLoopForPetriNet]: 75 programPoint places, 13 predicate places. [2022-12-13 04:27:57,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:57,836 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:59,147 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 04:27:59,147 INFO L89 Accepts]: Start accepts. Operand has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:59,150 INFO L95 Accepts]: Finished accepts. [2022-12-13 04:27:59,150 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 04:27:59,150 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:59,156 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 88 places, 289 transitions, 2528 flow [2022-12-13 04:27:59,156 INFO L226 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-13 04:28:03,613 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 04:28:03,614 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4467 [2022-12-13 04:28:03,614 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 289 transitions, 2532 flow [2022-12-13 04:28:03,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:28:03,614 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 04:28:03,614 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 04:28:03,615 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 04:28:03,615 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2022-12-13 04:28:03,615 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 04:28:03,615 INFO L85 PathProgramCache]: Analyzing trace with hash -1372052613, now seen corresponding path program 4 times [2022-12-13 04:28:03,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 04:28:03,616 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354161828] [2022-12-13 04:28:03,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 04:28:03,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 04:28:03,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 04:28:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 04:28:04,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 04:28:04,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354161828] [2022-12-13 04:28:04,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354161828] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 04:28:04,013 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 04:28:04,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 04:28:04,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550050748] [2022-12-13 04:28:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 04:28:04,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 04:28:04,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 04:28:04,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 04:28:04,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-13 04:28:04,016 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 51 [2022-12-13 04:28:04,016 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 289 transitions, 2532 flow. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 04:28:04,016 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 04:28:04,016 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 51 [2022-12-13 04:28:04,016 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand