/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-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:20:05,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:20:05,828 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:20:05,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:20:05,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:20:05,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:20:05,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:20:05,873 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:20:05,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:20:05,880 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:20:05,881 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:20:05,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:20:05,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:20:05,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:20:05,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:20:05,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:20:05,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:20:05,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:20:05,890 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:20:05,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:20:05,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:20:05,896 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:20:05,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:20:05,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:20:05,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 05:20:05,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 05:20:05,902 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 05:20:05,903 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 05:20:05,904 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 05:20:05,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 05:20:05,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:20:05,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:20:05,907 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:20:05,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:20:05,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:20:05,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:20:05,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:20:05,908 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:20:05,908 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:20:05,909 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:20:05,909 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:20:05,910 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-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:20:05,934 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:20:05,934 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:20:05,936 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:20:05,936 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:20:05,936 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:20:05,936 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:20:05,936 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:20:05,937 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:20:05,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:20:05,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:20:05,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:20:05,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:20:06,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:20:06,215 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:20:06,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:20:06,218 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:20:06,218 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:20:06,219 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-12-06 05:20:07,223 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:20:07,419 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:20:07,419 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-ticket-7.wvr.c [2022-12-06 05:20:07,424 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4692e0153/321b7b4c0d014f57aeee33d769ab8803/FLAGf7f5dffd7 [2022-12-06 05:20:07,440 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4692e0153/321b7b4c0d014f57aeee33d769ab8803 [2022-12-06 05:20:07,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:20:07,444 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:20:07,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:20:07,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:20:07,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:20:07,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c4bcaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07, skipping insertion in model container [2022-12-06 05:20:07,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:20:07,485 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:20:07,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,616 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,620 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,627 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,628 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,629 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,645 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-7.wvr.c[4837,4850] [2022-12-06 05:20:07,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:20:07,655 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:20:07,663 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,664 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,665 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,666 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,667 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,668 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,669 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,671 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,673 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,674 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 05:20:07,675 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 05:20:07,689 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-7.wvr.c[4837,4850] [2022-12-06 05:20:07,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:20:07,699 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:20:07,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07 WrapperNode [2022-12-06 05:20:07,700 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:20:07,700 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:20:07,701 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:20:07,701 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:20:07,705 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,721 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,741 INFO L138 Inliner]: procedures = 26, calls = 115, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 318 [2022-12-06 05:20:07,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:20:07,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:20:07,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:20:07,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:20:07,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,756 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,777 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,779 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:20:07,780 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:20:07,780 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:20:07,780 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:20:07,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (1/1) ... [2022-12-06 05:20:07,784 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:20:07,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:20:07,834 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 05:20:07,852 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 05:20:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:20:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:20:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:20:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:20:07,868 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:20:07,868 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:20:07,869 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:20:07,869 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:20:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:20:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:20:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 05:20:07,870 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 05:20:07,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:20:07,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2022-12-06 05:20:07,876 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2022-12-06 05:20:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure thread7 [2022-12-06 05:20:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure thread7 [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:20:07,877 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:20:07,877 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:20:07,878 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 05:20:08,009 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:20:08,010 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:20:08,228 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:20:08,284 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:20:08,284 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 05:20:08,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:08 BoogieIcfgContainer [2022-12-06 05:20:08,286 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:20:08,287 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:20:08,287 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:20:08,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:20:08,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:20:07" (1/3) ... [2022-12-06 05:20:08,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54773a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:08, skipping insertion in model container [2022-12-06 05:20:08,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:07" (2/3) ... [2022-12-06 05:20:08,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54773a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:08, skipping insertion in model container [2022-12-06 05:20:08,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:08" (3/3) ... [2022-12-06 05:20:08,292 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-ticket-7.wvr.c [2022-12-06 05:20:08,303 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:20:08,304 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:20:08,304 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:20:08,360 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2022-12-06 05:20:08,383 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 224 places, 204 transitions, 464 flow [2022-12-06 05:20:08,484 INFO L130 PetriNetUnfolder]: 2/197 cut-off events. [2022-12-06 05:20:08,485 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-06 05:20:08,489 INFO L83 FinitePrefix]: Finished finitePrefix Result has 226 conditions, 197 events. 2/197 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 87 event pairs, 0 based on Foata normal form. 0/194 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-12-06 05:20:08,489 INFO L82 GeneralOperation]: Start removeDead. Operand has 224 places, 204 transitions, 464 flow [2022-12-06 05:20:08,498 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 199 places, 179 transitions, 400 flow [2022-12-06 05:20:08,500 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:20:08,511 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 199 places, 179 transitions, 400 flow [2022-12-06 05:20:08,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 199 places, 179 transitions, 400 flow [2022-12-06 05:20:08,581 INFO L130 PetriNetUnfolder]: 2/179 cut-off events. [2022-12-06 05:20:08,581 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-06 05:20:08,592 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 179 events. 2/179 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 86 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 153. Up to 2 conditions per place. [2022-12-06 05:20:08,596 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 199 places, 179 transitions, 400 flow [2022-12-06 05:20:08,597 INFO L188 LiptonReduction]: Number of co-enabled transitions 4182 [2022-12-06 05:20:19,393 INFO L203 LiptonReduction]: Total number of compositions: 135 [2022-12-06 05:20:19,407 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:20:19,412 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;@2532081a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:20:19,412 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-06 05:20:19,421 INFO L130 PetriNetUnfolder]: 0/43 cut-off events. [2022-12-06 05:20:19,421 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-12-06 05:20:19,421 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:20:19,422 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:20:19,422 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 5 more)] === [2022-12-06 05:20:19,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:20:19,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1030329122, now seen corresponding path program 1 times [2022-12-06 05:20:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:20:19,435 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719435109] [2022-12-06 05:20:19,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:20:19,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:20:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:20:21,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:20:21,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:20:21,480 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719435109] [2022-12-06 05:20:21,480 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719435109] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:20:21,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:20:21,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 05:20:21,482 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834754041] [2022-12-06 05:20:21,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:20:21,490 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-06 05:20:21,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:20:21,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-06 05:20:21,511 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2022-12-06 05:20:21,511 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 44 [2022-12-06 05:20:21,513 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 44 transitions, 130 flow. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:20:21,513 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:20:21,513 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 44 [2022-12-06 05:20:21,514 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:20:27,462 INFO L130 PetriNetUnfolder]: 68867/86768 cut-off events. [2022-12-06 05:20:27,462 INFO L131 PetriNetUnfolder]: For 6627/6627 co-relation queries the response was YES. [2022-12-06 05:20:27,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 178818 conditions, 86768 events. 68867/86768 cut-off events. For 6627/6627 co-relation queries the response was YES. Maximal size of possible extension queue 1977. Compared 421900 event pairs, 8446 based on Foata normal form. 2/86770 useless extension candidates. Maximal degree in co-relation 177045. Up to 51938 conditions per place. [2022-12-06 05:20:27,815 INFO L137 encePairwiseOnDemand]: 27/44 looper letters, 104 selfloop transitions, 28 changer transitions 51/183 dead transitions. [2022-12-06 05:20:27,815 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 183 transitions, 852 flow [2022-12-06 05:20:27,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 05:20:27,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 05:20:27,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 185 transitions. [2022-12-06 05:20:27,826 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4671717171717172 [2022-12-06 05:20:27,827 INFO L175 Difference]: Start difference. First operand has 66 places, 44 transitions, 130 flow. Second operand 9 states and 185 transitions. [2022-12-06 05:20:27,827 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 183 transitions, 852 flow [2022-12-06 05:20:28,338 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 183 transitions, 772 flow, removed 0 selfloop flow, removed 14 redundant places. [2022-12-06 05:20:28,341 INFO L231 Difference]: Finished difference. Result has 66 places, 77 transitions, 302 flow [2022-12-06 05:20:28,342 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=44, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=302, PETRI_PLACES=66, PETRI_TRANSITIONS=77} [2022-12-06 05:20:28,344 INFO L294 CegarLoopForPetriNet]: 66 programPoint places, 0 predicate places. [2022-12-06 05:20:28,344 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:20:28,345 INFO L89 Accepts]: Start accepts. Operand has 66 places, 77 transitions, 302 flow [2022-12-06 05:20:28,350 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:20:28,350 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:20:28,350 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 77 transitions, 302 flow [2022-12-06 05:20:28,353 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 64 places, 77 transitions, 302 flow [2022-12-06 05:20:28,715 INFO L130 PetriNetUnfolder]: 3371/5628 cut-off events. [2022-12-06 05:20:28,715 INFO L131 PetriNetUnfolder]: For 308/366 co-relation queries the response was YES. [2022-12-06 05:20:28,742 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11918 conditions, 5628 events. 3371/5628 cut-off events. For 308/366 co-relation queries the response was YES. Maximal size of possible extension queue 637. Compared 40813 event pairs, 1273 based on Foata normal form. 0/5009 useless extension candidates. Maximal degree in co-relation 11907. Up to 3086 conditions per place. [2022-12-06 05:20:28,796 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 77 transitions, 302 flow [2022-12-06 05:20:28,796 INFO L188 LiptonReduction]: Number of co-enabled transitions 1026 [2022-12-06 05:20:29,410 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [729] L67-->thread2EXIT: Formula: (and (= (+ v_~s~0_562 1) v_~s~0_561) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_45| (ite (<= v_~m2~0_67 v_~s~0_562) 1 0)) (= |v_thread2Thread1of1ForFork1_#res#1.base_7| 0) (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_45| |v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_45|) (not (= |v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_45| 0)) (= (ite (= (ite (or (= v_~x~0_111 1) (not (= (mod v_~b~0_190 256) 0))) 1 0) 0) 0 1) v_~b~0_189) (= |v_thread2Thread1of1ForFork1_#res#1.offset_7| 0)) InVars {~b~0=v_~b~0_190, ~m2~0=v_~m2~0_67, ~x~0=v_~x~0_111, ~s~0=v_~s~0_562} OutVars{thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1_45|, thread2Thread1of1ForFork1_#res#1.base=|v_thread2Thread1of1ForFork1_#res#1.base_7|, thread2Thread1of1ForFork1_#t~post4#1=|v_thread2Thread1of1ForFork1_#t~post4#1_43|, ~b~0=v_~b~0_189, thread2Thread1of1ForFork1_#res#1.offset=|v_thread2Thread1of1ForFork1_#res#1.offset_7|, ~m2~0=v_~m2~0_67, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_45|, ~x~0=v_~x~0_111, ~s~0=v_~s~0_561} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork1_#res#1.base, thread2Thread1of1ForFork1_#t~post4#1, ~b~0, thread2Thread1of1ForFork1_#res#1.offset, thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, ~s~0] [2022-12-06 05:20:29,480 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [747] L105-->thread4EXIT: Formula: (and (= (+ v_~s~0_750 1) v_~s~0_749) (= |v_thread4Thread1of1ForFork6_#res#1.base_33| 0) (not (= |v_thread4Thread1of1ForFork6_assume_abort_if_not_~cond#1_31| 0)) (= |v_thread4Thread1of1ForFork6_assume_abort_if_not_#in~cond#1_31| |v_thread4Thread1of1ForFork6_assume_abort_if_not_~cond#1_31|) (= v_~b~0_297 (ite (= 0 (ite (or (not (= (mod v_~b~0_298 256) 0)) (= v_~x~0_184 1)) 1 0)) 0 1)) (= |v_thread4Thread1of1ForFork6_assume_abort_if_not_#in~cond#1_31| (ite (<= v_~m4~0_55 v_~s~0_750) 1 0)) (= |v_thread4Thread1of1ForFork6_#res#1.offset_33| 0)) InVars {~b~0=v_~b~0_298, ~m4~0=v_~m4~0_55, ~x~0=v_~x~0_184, ~s~0=v_~s~0_750} OutVars{thread4Thread1of1ForFork6_#res#1.offset=|v_thread4Thread1of1ForFork6_#res#1.offset_33|, ~b~0=v_~b~0_297, thread4Thread1of1ForFork6_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork6_assume_abort_if_not_~cond#1_31|, ~m4~0=v_~m4~0_55, thread4Thread1of1ForFork6_#res#1.base=|v_thread4Thread1of1ForFork6_#res#1.base_33|, thread4Thread1of1ForFork6_#t~post8#1=|v_thread4Thread1of1ForFork6_#t~post8#1_57|, ~x~0=v_~x~0_184, thread4Thread1of1ForFork6_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork6_assume_abort_if_not_#in~cond#1_31|, ~s~0=v_~s~0_749} AuxVars[] AssignedVars[thread4Thread1of1ForFork6_#res#1.offset, ~b~0, thread4Thread1of1ForFork6_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork6_#res#1.base, thread4Thread1of1ForFork6_#t~post8#1, thread4Thread1of1ForFork6_assume_abort_if_not_#in~cond#1, ~s~0] [2022-12-06 05:20:29,543 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [692] L143-->thread6EXIT: Formula: (and (= |v_thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_19| (ite (<= v_~m6~0_33 v_~s~0_354) 1 0)) (= (+ v_~s~0_354 1) v_~s~0_353) (= |v_thread6Thread1of1ForFork4_#res#1.offset_43| 0) (not (= |v_thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1_19| 0)) (= (ite (= (ite (or (not (= (mod v_~b~0_76 256) 0)) (= v_~x~0_46 1)) 1 0) 0) 0 1) v_~b~0_75) (= |v_thread6Thread1of1ForFork4_#res#1.base_43| 0) (= |v_thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1_19| |v_thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_19|)) InVars {~b~0=v_~b~0_76, ~m6~0=v_~m6~0_33, ~x~0=v_~x~0_46, ~s~0=v_~s~0_354} OutVars{thread6Thread1of1ForFork4_#res#1.base=|v_thread6Thread1of1ForFork4_#res#1.base_43|, thread6Thread1of1ForFork4_#t~post12#1=|v_thread6Thread1of1ForFork4_#t~post12#1_45|, thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1=|v_thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1_19|, ~b~0=v_~b~0_75, ~m6~0=v_~m6~0_33, thread6Thread1of1ForFork4_#res#1.offset=|v_thread6Thread1of1ForFork4_#res#1.offset_43|, thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1=|v_thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1_19|, ~x~0=v_~x~0_46, ~s~0=v_~s~0_353} AuxVars[] AssignedVars[thread6Thread1of1ForFork4_#res#1.base, thread6Thread1of1ForFork4_#t~post12#1, thread6Thread1of1ForFork4_assume_abort_if_not_~cond#1, ~b~0, thread6Thread1of1ForFork4_#res#1.offset, thread6Thread1of1ForFork4_assume_abort_if_not_#in~cond#1, ~s~0] [2022-12-06 05:20:29,607 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [776] L86-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_55| |v_thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1_55|) (= (+ v_~s~0_874 1) v_~s~0_873) (= (ite (<= v_~m3~0_87 v_~s~0_874) 1 0) |v_thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_55|) (= |v_thread3Thread1of1ForFork3_#res#1.base_7| 0) (not (= |v_thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1_55| 0)) (= v_~b~0_381 (ite (= (ite (or (= v_~x~0_244 1) (not (= (mod v_~b~0_382 256) 0))) 1 0) 0) 0 1)) (= |v_thread3Thread1of1ForFork3_#res#1.offset_7| 0)) InVars {~m3~0=v_~m3~0_87, ~b~0=v_~b~0_382, ~x~0=v_~x~0_244, ~s~0=v_~s~0_874} OutVars{~m3~0=v_~m3~0_87, thread3Thread1of1ForFork3_#res#1.offset=|v_thread3Thread1of1ForFork3_#res#1.offset_7|, thread3Thread1of1ForFork3_#res#1.base=|v_thread3Thread1of1ForFork3_#res#1.base_7|, ~b~0=v_~b~0_381, thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1_55|, ~x~0=v_~x~0_244, thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_55|, thread3Thread1of1ForFork3_#t~post6#1=|v_thread3Thread1of1ForFork3_#t~post6#1_57|, ~s~0=v_~s~0_873} AuxVars[] AssignedVars[thread3Thread1of1ForFork3_#res#1.offset, thread3Thread1of1ForFork3_#res#1.base, ~b~0, thread3Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread3Thread1of1ForFork3_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork3_#t~post6#1, ~s~0] [2022-12-06 05:20:29,673 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [770] L124-->thread5EXIT: Formula: (and (= (ite (<= v_~m5~0_79 v_~s~0_860) 1 0) |v_thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_43|) (= |v_thread5Thread1of1ForFork2_#res#1.base_7| 0) (= |v_thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1_43| |v_thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_43|) (= (+ v_~s~0_860 1) v_~s~0_859) (not (= |v_thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1_43| 0)) (= (ite (= (ite (or (= v_~x~0_235 1) (not (= (mod v_~b~0_370 256) 0))) 1 0) 0) 0 1) v_~b~0_369) (= |v_thread5Thread1of1ForFork2_#res#1.offset_7| 0)) InVars {~b~0=v_~b~0_370, ~m5~0=v_~m5~0_79, ~x~0=v_~x~0_235, ~s~0=v_~s~0_860} OutVars{thread5Thread1of1ForFork2_#res#1.offset=|v_thread5Thread1of1ForFork2_#res#1.offset_7|, thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_43|, ~b~0=v_~b~0_369, ~m5~0=v_~m5~0_79, thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1_43|, ~x~0=v_~x~0_235, thread5Thread1of1ForFork2_#res#1.base=|v_thread5Thread1of1ForFork2_#res#1.base_7|, thread5Thread1of1ForFork2_#t~post10#1=|v_thread5Thread1of1ForFork2_#t~post10#1_49|, ~s~0=v_~s~0_859} AuxVars[] AssignedVars[thread5Thread1of1ForFork2_#res#1.offset, thread5Thread1of1ForFork2_assume_abort_if_not_#in~cond#1, ~b~0, thread5Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread5Thread1of1ForFork2_#res#1.base, thread5Thread1of1ForFork2_#t~post10#1, ~s~0] [2022-12-06 05:20:29,738 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [740] L45-->L52: Formula: (and (not (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| 0)) (= v_~x~0_169 1) (= (ite (<= v_~m1~0_47 v_~s~0_719) 1 0) |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|) (= |v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33| |v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|)) InVars {~m1~0=v_~m1~0_47, ~s~0=v_~s~0_719} OutVars{thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1_33|, ~m1~0=v_~m1~0_47, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1_33|, ~x~0=v_~x~0_169, ~s~0=v_~s~0_719} AuxVars[] AssignedVars[thread1Thread1of1ForFork5_assume_abort_if_not_~cond#1, thread1Thread1of1ForFork5_assume_abort_if_not_#in~cond#1, ~x~0] and [768] L162-->thread7EXIT: Formula: (and (= (+ v_~s~0_850 1) v_~s~0_849) (= |v_thread7Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_35| (ite (<= v_~m7~0_59 v_~s~0_850) 1 0)) (= |v_thread7Thread1of1ForFork0_#res#1.offset_7| 0) (= |v_thread7Thread1of1ForFork0_#res#1.base_7| 0) (not (= |v_thread7Thread1of1ForFork0_assume_abort_if_not_~cond#1_35| 0)) (= |v_thread7Thread1of1ForFork0_assume_abort_if_not_~cond#1_35| |v_thread7Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_35|) (= v_~b~0_361 (ite (= (ite (or (not (= (mod v_~b~0_362 256) 0)) (= v_~x~0_230 1)) 1 0) 0) 0 1))) InVars {~b~0=v_~b~0_362, ~m7~0=v_~m7~0_59, ~x~0=v_~x~0_230, ~s~0=v_~s~0_850} OutVars{thread7Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread7Thread1of1ForFork0_assume_abort_if_not_~cond#1_35|, thread7Thread1of1ForFork0_#res#1.base=|v_thread7Thread1of1ForFork0_#res#1.base_7|, ~b~0=v_~b~0_361, thread7Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread7Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_35|, ~m7~0=v_~m7~0_59, thread7Thread1of1ForFork0_#res#1.offset=|v_thread7Thread1of1ForFork0_#res#1.offset_7|, ~x~0=v_~x~0_230, thread7Thread1of1ForFork0_#t~post14#1=|v_thread7Thread1of1ForFork0_#t~post14#1_57|, ~s~0=v_~s~0_849} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_assume_abort_if_not_~cond#1, thread7Thread1of1ForFork0_#res#1.base, ~b~0, thread7Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread7Thread1of1ForFork0_#res#1.offset, thread7Thread1of1ForFork0_#t~post14#1, ~s~0] [2022-12-06 05:20:29,828 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 05:20:29,829 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1485 [2022-12-06 05:20:29,829 INFO L495 AbstractCegarLoop]: Abstraction has has 63 places, 76 transitions, 322 flow [2022-12-06 05:20:29,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:20:29,829 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:20:29,829 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:20:29,829 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:20:29,830 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 5 more)] === [2022-12-06 05:20:29,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:20:29,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1183584736, now seen corresponding path program 2 times [2022-12-06 05:20:29,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:20:29,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82476165] [2022-12-06 05:20:29,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:20:29,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:20:29,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:20:31,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:20:31,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:20:31,030 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [82476165] [2022-12-06 05:20:31,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [82476165] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:20:31,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:20:31,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-06 05:20:31,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234651671] [2022-12-06 05:20:31,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:20:31,036 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-12-06 05:20:31,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:20:31,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-12-06 05:20:31,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2022-12-06 05:20:31,038 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 51 [2022-12-06 05:20:31,038 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 76 transitions, 322 flow. Second operand has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:20:31,038 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:20:31,038 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 51 [2022-12-06 05:20:31,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:20:41,316 INFO L130 PetriNetUnfolder]: 111160/140676 cut-off events. [2022-12-06 05:20:41,316 INFO L131 PetriNetUnfolder]: For 79925/79925 co-relation queries the response was YES. [2022-12-06 05:20:41,560 INFO L83 FinitePrefix]: Finished finitePrefix Result has 414704 conditions, 140676 events. 111160/140676 cut-off events. For 79925/79925 co-relation queries the response was YES. Maximal size of possible extension queue 3533. Compared 743722 event pairs, 12048 based on Foata normal form. 5/140681 useless extension candidates. Maximal degree in co-relation 414691. Up to 53075 conditions per place. [2022-12-06 05:20:41,877 INFO L137 encePairwiseOnDemand]: 27/51 looper letters, 225 selfloop transitions, 385 changer transitions 251/861 dead transitions. [2022-12-06 05:20:41,878 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 861 transitions, 4865 flow [2022-12-06 05:20:41,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-12-06 05:20:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2022-12-06 05:20:41,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 738 transitions. [2022-12-06 05:20:41,881 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49898580121703856 [2022-12-06 05:20:41,881 INFO L175 Difference]: Start difference. First operand has 63 places, 76 transitions, 322 flow. Second operand 29 states and 738 transitions. [2022-12-06 05:20:41,881 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 861 transitions, 4865 flow [2022-12-06 05:20:43,223 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 861 transitions, 4793 flow, removed 36 selfloop flow, removed 3 redundant places. [2022-12-06 05:20:43,233 INFO L231 Difference]: Finished difference. Result has 94 places, 458 transitions, 2986 flow [2022-12-06 05:20:43,233 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=51, PETRI_DIFFERENCE_MINUEND_FLOW=302, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=47, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=29, PETRI_FLOW=2986, PETRI_PLACES=94, PETRI_TRANSITIONS=458} [2022-12-06 05:20:43,234 INFO L294 CegarLoopForPetriNet]: 66 programPoint places, 28 predicate places. [2022-12-06 05:20:43,234 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:20:43,234 INFO L89 Accepts]: Start accepts. Operand has 94 places, 458 transitions, 2986 flow [2022-12-06 05:20:43,237 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:20:43,237 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:20:43,237 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 458 transitions, 2986 flow [2022-12-06 05:20:43,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 458 transitions, 2986 flow [2022-12-06 05:20:45,371 INFO L130 PetriNetUnfolder]: 16341/23748 cut-off events. [2022-12-06 05:20:45,371 INFO L131 PetriNetUnfolder]: For 17928/30274 co-relation queries the response was YES. [2022-12-06 05:20:45,432 INFO L83 FinitePrefix]: Finished finitePrefix Result has 72974 conditions, 23748 events. 16341/23748 cut-off events. For 17928/30274 co-relation queries the response was YES. Maximal size of possible extension queue 1303. Compared 156450 event pairs, 1187 based on Foata normal form. 0/23502 useless extension candidates. Maximal degree in co-relation 70670. Up to 8931 conditions per place. [2022-12-06 05:20:45,587 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 458 transitions, 2986 flow [2022-12-06 05:20:45,587 INFO L188 LiptonReduction]: Number of co-enabled transitions 2902 [2022-12-06 05:20:46,052 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [617] $Ultimate##0-->L143: Formula: (and (= v_~m6~0_5 v_~t~0_74) (= v_~t~0_73 (+ v_~t~0_74 1))) InVars {~t~0=v_~t~0_74} OutVars{thread6Thread1of1ForFork4_#t~post11#1=|v_thread6Thread1of1ForFork4_#t~post11#1_1|, ~m6~0=v_~m6~0_5, ~t~0=v_~t~0_73} AuxVars[] AssignedVars[thread6Thread1of1ForFork4_#t~post11#1, ~m6~0, ~t~0] [2022-12-06 05:20:46,071 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [599] $Ultimate##0-->L86: Formula: (and (= (+ v_~t~0_78 1) v_~t~0_77) (= v_~m3~0_9 v_~t~0_78)) InVars {~t~0=v_~t~0_78} OutVars{~m3~0=v_~m3~0_9, thread3Thread1of1ForFork3_#t~post5#1=|v_thread3Thread1of1ForFork3_#t~post5#1_1|, ~t~0=v_~t~0_77} AuxVars[] AssignedVars[~m3~0, thread3Thread1of1ForFork3_#t~post5#1, ~t~0] [2022-12-06 05:20:46,092 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [593] $Ultimate##0-->L67: Formula: (and (= v_~m2~0_13 v_~t~0_82) (= (+ v_~t~0_82 1) v_~t~0_81)) InVars {~t~0=v_~t~0_82} OutVars{thread2Thread1of1ForFork1_#t~post3#1=|v_thread2Thread1of1ForFork1_#t~post3#1_1|, ~m2~0=v_~m2~0_13, ~t~0=v_~t~0_81} AuxVars[] AssignedVars[~m2~0, thread2Thread1of1ForFork1_#t~post3#1, ~t~0] [2022-12-06 05:20:46,113 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [605] $Ultimate##0-->L105: Formula: (and (= v_~m4~0_9 v_~t~0_94) (= v_~t~0_93 (+ v_~t~0_94 1))) InVars {~t~0=v_~t~0_94} OutVars{thread4Thread1of1ForFork6_#t~post7#1=|v_thread4Thread1of1ForFork6_#t~post7#1_1|, ~m4~0=v_~m4~0_9, ~t~0=v_~t~0_93} AuxVars[] AssignedVars[~m4~0, thread4Thread1of1ForFork6_#t~post7#1, ~t~0] [2022-12-06 05:20:46,132 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [611] $Ultimate##0-->L124: Formula: (and (= (+ v_~t~0_66 1) v_~t~0_65) (= v_~m5~0_7 v_~t~0_66)) InVars {~t~0=v_~t~0_66} OutVars{thread5Thread1of1ForFork2_#t~post9#1=|v_thread5Thread1of1ForFork2_#t~post9#1_1|, ~m5~0=v_~m5~0_7, ~t~0=v_~t~0_65} AuxVars[] AssignedVars[thread5Thread1of1ForFork2_#t~post9#1, ~m5~0, ~t~0] [2022-12-06 05:20:46,151 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [623] $Ultimate##0-->L162: Formula: (and (= (+ v_~t~0_90 1) v_~t~0_89) (= v_~m7~0_11 v_~t~0_90)) InVars {~t~0=v_~t~0_90} OutVars{thread7Thread1of1ForFork0_#t~post13#1=|v_thread7Thread1of1ForFork0_#t~post13#1_1|, ~m7~0=v_~m7~0_11, ~t~0=v_~t~0_89} AuxVars[] AssignedVars[thread7Thread1of1ForFork0_#t~post13#1, ~m7~0, ~t~0] and [586] $Ultimate##0-->L45: Formula: (and (= v_~t~0_69 (+ v_~t~0_70 1)) (= v_~m1~0_9 v_~t~0_70)) InVars {~t~0=v_~t~0_70} OutVars{~m1~0=v_~m1~0_9, thread1Thread1of1ForFork5_#t~post1#1=|v_thread1Thread1of1ForFork5_#t~post1#1_1|, ~t~0=v_~t~0_69} AuxVars[] AssignedVars[~m1~0, thread1Thread1of1ForFork5_#t~post1#1, ~t~0] [2022-12-06 05:20:46,591 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:20:46,592 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3358 [2022-12-06 05:20:46,592 INFO L495 AbstractCegarLoop]: Abstraction has has 93 places, 457 transitions, 3007 flow [2022-12-06 05:20:46,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.142857142857143) internal successors, (44), 14 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:20:46,593 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:20:46,593 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:20:46,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:20:46,593 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 5 more)] === [2022-12-06 05:20:46,594 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:20:46,594 INFO L85 PathProgramCache]: Analyzing trace with hash 1407564012, now seen corresponding path program 1 times [2022-12-06 05:20:46,594 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:20:46,594 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420996121] [2022-12-06 05:20:46,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:20:46,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:20:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:20:46,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:20:46,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:20:46,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420996121] [2022-12-06 05:20:46,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420996121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:20:46,902 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:20:46,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:20:46,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820041916] [2022-12-06 05:20:46,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:20:46,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:20:46,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:20:46,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:20:46,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:20:46,904 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 57 [2022-12-06 05:20:46,905 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 93 places, 457 transitions, 3007 flow. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:20:46,905 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:20:46,905 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 57 [2022-12-06 05:20:46,905 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:21:11,058 INFO L130 PetriNetUnfolder]: 191762/241214 cut-off events. [2022-12-06 05:21:11,058 INFO L131 PetriNetUnfolder]: For 273598/273598 co-relation queries the response was YES. [2022-12-06 05:21:11,712 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945160 conditions, 241214 events. 191762/241214 cut-off events. For 273598/273598 co-relation queries the response was YES. Maximal size of possible extension queue 7036. Compared 1343207 event pairs, 19144 based on Foata normal form. 3806/245020 useless extension candidates. Maximal degree in co-relation 920658. Up to 107194 conditions per place. [2022-12-06 05:21:12,719 INFO L137 encePairwiseOnDemand]: 29/57 looper letters, 560 selfloop transitions, 618 changer transitions 0/1178 dead transitions. [2022-12-06 05:21:12,719 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 97 places, 1178 transitions, 9867 flow [2022-12-06 05:21:12,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:21:12,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:21:12,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 175 transitions. [2022-12-06 05:21:12,721 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6140350877192983 [2022-12-06 05:21:12,721 INFO L175 Difference]: Start difference. First operand has 93 places, 457 transitions, 3007 flow. Second operand 5 states and 175 transitions. [2022-12-06 05:21:12,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 97 places, 1178 transitions, 9867 flow [2022-12-06 05:21:58,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 1178 transitions, 8535 flow, removed 576 selfloop flow, removed 6 redundant places. [2022-12-06 05:21:58,658 INFO L231 Difference]: Finished difference. Result has 94 places, 954 transitions, 8154 flow [2022-12-06 05:21:58,658 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=2402, PETRI_DIFFERENCE_MINUEND_PLACES=87, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=452, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=251, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=8154, PETRI_PLACES=94, PETRI_TRANSITIONS=954} [2022-12-06 05:21:58,659 INFO L294 CegarLoopForPetriNet]: 66 programPoint places, 28 predicate places. [2022-12-06 05:21:58,659 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:21:58,659 INFO L89 Accepts]: Start accepts. Operand has 94 places, 954 transitions, 8154 flow [2022-12-06 05:21:58,664 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:21:58,664 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:21:58,664 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 94 places, 954 transitions, 8154 flow [2022-12-06 05:21:58,670 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 954 transitions, 8154 flow [2022-12-06 05:22:05,088 INFO L130 PetriNetUnfolder]: 51969/70353 cut-off events. [2022-12-06 05:22:05,088 INFO L131 PetriNetUnfolder]: For 66490/161306 co-relation queries the response was YES. [2022-12-06 05:22:05,465 INFO L83 FinitePrefix]: Finished finitePrefix Result has 279312 conditions, 70353 events. 51969/70353 cut-off events. For 66490/161306 co-relation queries the response was YES. Maximal size of possible extension queue 3897. Compared 443774 event pairs, 2973 based on Foata normal form. 5/69800 useless extension candidates. Maximal degree in co-relation 275691. Up to 37599 conditions per place. [2022-12-06 05:22:06,106 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 94 places, 954 transitions, 8154 flow [2022-12-06 05:22:06,106 INFO L188 LiptonReduction]: Number of co-enabled transitions 5874 [2022-12-06 05:22:06,145 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:22:06,146 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 7487 [2022-12-06 05:22:06,146 INFO L495 AbstractCegarLoop]: Abstraction has has 94 places, 954 transitions, 8154 flow [2022-12-06 05:22:06,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:22:06,146 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:22:06,146 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:22:06,147 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:22:06,147 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 5 more)] === [2022-12-06 05:22:06,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:22:06,147 INFO L85 PathProgramCache]: Analyzing trace with hash 2127855881, now seen corresponding path program 1 times [2022-12-06 05:22:06,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:22:06,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835753039] [2022-12-06 05:22:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:22:06,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:22:06,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:22:06,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:22:06,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:22:06,410 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835753039] [2022-12-06 05:22:06,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835753039] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:22:06,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:22:06,411 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:22:06,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062446868] [2022-12-06 05:22:06,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:22:06,411 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 05:22:06,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:22:06,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 05:22:06,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 05:22:06,413 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 57 [2022-12-06 05:22:06,413 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 94 places, 954 transitions, 8154 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:22:06,414 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:22:06,414 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 57 [2022-12-06 05:22:06,414 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand