/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 00:01:41,611 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 00:01:41,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 00:01:41,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 00:01:41,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 00:01:41,687 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 00:01:41,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 00:01:41,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 00:01:41,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 00:01:41,698 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 00:01:41,699 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 00:01:41,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 00:01:41,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 00:01:41,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 00:01:41,703 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 00:01:41,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 00:01:41,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 00:01:41,705 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 00:01:41,707 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 00:01:41,724 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 00:01:41,725 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 00:01:41,726 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 00:01:41,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 00:01:41,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 00:01:41,737 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 00:01:41,740 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 00:01:41,741 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 00:01:41,742 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 00:01:41,742 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 00:01:41,743 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 00:01:41,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 00:01:41,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 00:01:41,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 00:01:41,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 00:01:41,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 00:01:41,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 00:01:41,746 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-06 00:01:41,787 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 00:01:41,787 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 00:01:41,796 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 00:01:41,797 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 00:01:41,797 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 00:01:41,797 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 00:01:41,798 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 00:01:41,798 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 00:01:41,798 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 00:01:41,798 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 00:01:41,799 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 00:01:41,799 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:01:41,800 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 00:01:41,800 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 00:01:41,801 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 00:01:41,801 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 00:01:41,801 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 00:01:42,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 00:01:42,377 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 00:01:42,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 00:01:42,380 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 00:01:42,380 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 00:01:42,381 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-12-06 00:01:43,898 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 00:01:44,229 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 00:01:44,230 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-bakery-4.wvr.c [2022-12-06 00:01:44,264 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb682976b/ff7d795b2d96434b96fb609cb389858c/FLAG8c9563238 [2022-12-06 00:01:44,285 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eb682976b/ff7d795b2d96434b96fb609cb389858c [2022-12-06 00:01:44,296 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 00:01:44,297 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 00:01:44,299 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 00:01:44,299 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 00:01:44,301 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 00:01:44,302 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26f3eb43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44, skipping insertion in model container [2022-12-06 00:01:44,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,320 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 00:01:44,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 00:01:44,479 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,480 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,482 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,483 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,484 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,485 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,486 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,487 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,488 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,492 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,493 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,494 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,495 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,496 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,498 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,499 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,500 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,501 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,503 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,504 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,505 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,506 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,507 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,508 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,509 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,510 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,511 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,513 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,514 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,515 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,516 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,517 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,518 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,519 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,520 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,521 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,522 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,523 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,525 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,526 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,530 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,531 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,532 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,533 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,535 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,536 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,537 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,538 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,554 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-bakery-4.wvr.c[7978,7991] [2022-12-06 00:01:44,560 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:01:44,567 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 00:01:44,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,581 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,582 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,594 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,595 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,597 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,598 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,602 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,603 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,604 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,605 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,606 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,607 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,608 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,609 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,610 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,611 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,612 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,613 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,615 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,618 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 00:01:44,619 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 00:01:44,629 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-bakery-4.wvr.c[7978,7991] [2022-12-06 00:01:44,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 00:01:44,640 INFO L208 MainTranslator]: Completed translation [2022-12-06 00:01:44,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44 WrapperNode [2022-12-06 00:01:44,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 00:01:44,641 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 00:01:44,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 00:01:44,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 00:01:44,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,674 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,729 INFO L138 Inliner]: procedures = 23, calls = 176, calls flagged for inlining = 28, calls inlined = 28, statements flattened = 392 [2022-12-06 00:01:44,729 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 00:01:44,730 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 00:01:44,730 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 00:01:44,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 00:01:44,738 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,752 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,754 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,755 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,758 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 00:01:44,759 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 00:01:44,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 00:01:44,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 00:01:44,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (1/1) ... [2022-12-06 00:01:44,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 00:01:44,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 00:01:44,805 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 00:01:44,821 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 00:01:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 00:01:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 00:01:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 00:01:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 00:01:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 00:01:44,878 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 00:01:44,878 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2022-12-06 00:01:44,879 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 00:01:44,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 00:01:44,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 00:01:44,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 00:01:44,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 00:01:44,887 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 00:01:45,062 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 00:01:45,064 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 00:01:45,527 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 00:01:45,770 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 00:01:45,770 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 00:01:45,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:45 BoogieIcfgContainer [2022-12-06 00:01:45,772 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 00:01:45,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 00:01:45,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 00:01:45,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 00:01:45,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 12:01:44" (1/3) ... [2022-12-06 00:01:45,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4f780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:01:45, skipping insertion in model container [2022-12-06 00:01:45,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:01:44" (2/3) ... [2022-12-06 00:01:45,778 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e4f780b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 12:01:45, skipping insertion in model container [2022-12-06 00:01:45,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:01:45" (3/3) ... [2022-12-06 00:01:45,778 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-bakery-4.wvr.c [2022-12-06 00:01:45,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 00:01:45,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 00:01:45,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 00:01:45,927 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2022-12-06 00:01:45,987 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 206 places, 195 transitions, 422 flow [2022-12-06 00:01:46,195 INFO L130 PetriNetUnfolder]: 2/191 cut-off events. [2022-12-06 00:01:46,195 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 00:01:46,201 INFO L83 FinitePrefix]: Finished finitePrefix Result has 208 conditions, 191 events. 2/191 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 204 event pairs, 0 based on Foata normal form. 0/188 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2022-12-06 00:01:46,201 INFO L82 GeneralOperation]: Start removeDead. Operand has 206 places, 195 transitions, 422 flow [2022-12-06 00:01:46,207 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 190 places, 179 transitions, 382 flow [2022-12-06 00:01:46,208 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:01:46,238 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 190 places, 179 transitions, 382 flow [2022-12-06 00:01:46,260 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 190 places, 179 transitions, 382 flow [2022-12-06 00:01:46,317 INFO L130 PetriNetUnfolder]: 2/179 cut-off events. [2022-12-06 00:01:46,317 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 00:01:46,318 INFO L83 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 179 events. 2/179 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 203 event pairs, 0 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 145. Up to 2 conditions per place. [2022-12-06 00:01:46,322 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 190 places, 179 transitions, 382 flow [2022-12-06 00:01:46,322 INFO L188 LiptonReduction]: Number of co-enabled transitions 5712 [2022-12-06 00:01:53,669 INFO L203 LiptonReduction]: Total number of compositions: 110 [2022-12-06 00:01:53,708 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 00:01:53,715 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;@55d101ec, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 00:01:53,715 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 00:01:53,752 INFO L130 PetriNetUnfolder]: 0/68 cut-off events. [2022-12-06 00:01:53,752 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 00:01:53,752 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:01:53,753 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, 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 00:01:53,753 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:01:53,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:01:53,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1008108662, now seen corresponding path program 1 times [2022-12-06 00:01:53,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:01:53,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562774770] [2022-12-06 00:01:53,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:01:53,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:01:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:01:55,488 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 00:01:55,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:01:55,489 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562774770] [2022-12-06 00:01:55,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562774770] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:01:55,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:01:55,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-06 00:01:55,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492628647] [2022-12-06 00:01:55,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:01:55,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 00:01:55,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:01:55,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 00:01:55,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2022-12-06 00:01:55,533 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 69 [2022-12-06 00:01:55,535 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 69 transitions, 162 flow. Second operand has 11 states, 11 states have (on average 13.545454545454545) internal successors, (149), 11 states have internal predecessors, (149), 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 00:01:55,535 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:01:55,535 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 69 [2022-12-06 00:01:55,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:02:23,186 INFO L130 PetriNetUnfolder]: 182045/244047 cut-off events. [2022-12-06 00:02:23,186 INFO L131 PetriNetUnfolder]: For 8108/8108 co-relation queries the response was YES. [2022-12-06 00:02:23,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 495385 conditions, 244047 events. 182045/244047 cut-off events. For 8108/8108 co-relation queries the response was YES. Maximal size of possible extension queue 3891. Compared 1574792 event pairs, 68259 based on Foata normal form. 1/243810 useless extension candidates. Maximal degree in co-relation 450360. Up to 90209 conditions per place. [2022-12-06 00:02:25,150 INFO L137 encePairwiseOnDemand]: 59/69 looper letters, 352 selfloop transitions, 25 changer transitions 34/419 dead transitions. [2022-12-06 00:02:25,150 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 95 places, 419 transitions, 1813 flow [2022-12-06 00:02:25,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-06 00:02:25,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-06 00:02:25,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 524 transitions. [2022-12-06 00:02:25,166 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5424430641821946 [2022-12-06 00:02:25,174 INFO L175 Difference]: Start difference. First operand has 82 places, 69 transitions, 162 flow. Second operand 14 states and 524 transitions. [2022-12-06 00:02:25,174 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 95 places, 419 transitions, 1813 flow [2022-12-06 00:02:26,701 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 419 transitions, 1711 flow, removed 0 selfloop flow, removed 8 redundant places. [2022-12-06 00:02:26,720 INFO L231 Difference]: Finished difference. Result has 92 places, 98 transitions, 301 flow [2022-12-06 00:02:26,722 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=69, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=301, PETRI_PLACES=92, PETRI_TRANSITIONS=98} [2022-12-06 00:02:26,724 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 10 predicate places. [2022-12-06 00:02:26,724 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:02:26,725 INFO L89 Accepts]: Start accepts. Operand has 92 places, 98 transitions, 301 flow [2022-12-06 00:02:26,733 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:02:26,733 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:02:26,733 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 98 transitions, 301 flow [2022-12-06 00:02:26,738 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 90 places, 98 transitions, 301 flow [2022-12-06 00:02:26,800 INFO L130 PetriNetUnfolder]: 49/309 cut-off events. [2022-12-06 00:02:26,801 INFO L131 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2022-12-06 00:02:26,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 483 conditions, 309 events. 49/309 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1729 event pairs, 12 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 462. Up to 37 conditions per place. [2022-12-06 00:02:26,808 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 98 transitions, 301 flow [2022-12-06 00:02:26,808 INFO L188 LiptonReduction]: Number of co-enabled transitions 4128 [2022-12-06 00:02:26,846 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [804] L78-->L82: Formula: (= v_~i1~0_1 v_~i~0_1) InVars {~i~0=v_~i~0_1} OutVars{~i~0=v_~i~0_1, ~i1~0=v_~i1~0_1} AuxVars[] AssignedVars[~i1~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:26,904 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:26,913 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:26,942 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [838] L182-->L186: Formula: (= v_~i3~0_1 v_~i~0_5) InVars {~i~0=v_~i~0_5} OutVars{~i3~0=v_~i3~0_1, ~i~0=v_~i~0_5} AuxVars[] AssignedVars[~i3~0] and [822] L134-->L137: Formula: (= (+ v_~i2~0_2 1) v_~i~0_4) InVars {~i2~0=v_~i2~0_2} OutVars{~i~0=v_~i~0_4, ~i2~0=v_~i2~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:26,980 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [821] L130-->L134: Formula: (= v_~i2~0_1 v_~i~0_3) InVars {~i~0=v_~i~0_3} OutVars{~i~0=v_~i~0_3, ~i2~0=v_~i2~0_1} AuxVars[] AssignedVars[~i2~0] and [856] L238-->L241: Formula: (= (+ v_~i4~0_2 1) v_~i~0_8) InVars {~i4~0=v_~i4~0_2} OutVars{~i~0=v_~i~0_8, ~i4~0=v_~i4~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:27,016 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [821] L130-->L134: Formula: (= v_~i2~0_1 v_~i~0_3) InVars {~i~0=v_~i~0_3} OutVars{~i~0=v_~i~0_3, ~i2~0=v_~i2~0_1} AuxVars[] AssignedVars[~i2~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:27,034 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [994] L78-->L241: Formula: (and (= (+ v_~i4~0_49 1) v_~i~0_117) (= v_~i1~0_41 v_~i~0_118)) InVars {~i4~0=v_~i4~0_49, ~i~0=v_~i~0_118} OutVars{~i~0=v_~i~0_117, ~i4~0=v_~i4~0_49, ~i1~0=v_~i1~0_41} AuxVars[] AssignedVars[~i~0, ~i1~0] and [805] L82-->L85: Formula: (= (+ v_~i1~0_2 1) v_~i~0_2) InVars {~i1~0=v_~i1~0_2} OutVars{~i~0=v_~i~0_2, ~i1~0=v_~i1~0_2} AuxVars[] AssignedVars[~i~0] [2022-12-06 00:02:27,114 INFO L203 LiptonReduction]: Total number of compositions: 5 [2022-12-06 00:02:27,116 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 392 [2022-12-06 00:02:27,116 INFO L495 AbstractCegarLoop]: Abstraction has has 87 places, 94 transitions, 300 flow [2022-12-06 00:02:27,117 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.545454545454545) internal successors, (149), 11 states have internal predecessors, (149), 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 00:02:27,117 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:02:27,117 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, 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 00:02:27,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 00:02:27,135 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:02:27,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:02:27,136 INFO L85 PathProgramCache]: Analyzing trace with hash -469471222, now seen corresponding path program 2 times [2022-12-06 00:02:27,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:02:27,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568239121] [2022-12-06 00:02:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:02:27,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:02:27,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:02:28,396 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 00:02:28,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:02:28,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568239121] [2022-12-06 00:02:28,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568239121] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:02:28,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:02:28,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 00:02:28,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834259789] [2022-12-06 00:02:28,398 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:02:28,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 00:02:28,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:02:28,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 00:02:28,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-06 00:02:28,403 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 77 [2022-12-06 00:02:28,403 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 94 transitions, 300 flow. Second operand has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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 00:02:28,403 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:02:28,404 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 77 [2022-12-06 00:02:28,404 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:03:03,638 INFO L130 PetriNetUnfolder]: 286912/399807 cut-off events. [2022-12-06 00:03:03,638 INFO L131 PetriNetUnfolder]: For 15292/15332 co-relation queries the response was YES. [2022-12-06 00:03:04,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 825734 conditions, 399807 events. 286912/399807 cut-off events. For 15292/15332 co-relation queries the response was YES. Maximal size of possible extension queue 5920. Compared 2924973 event pairs, 70247 based on Foata normal form. 3458/397688 useless extension candidates. Maximal degree in co-relation 825705. Up to 258455 conditions per place. [2022-12-06 00:03:06,279 INFO L137 encePairwiseOnDemand]: 59/77 looper letters, 320 selfloop transitions, 56 changer transitions 0/400 dead transitions. [2022-12-06 00:03:06,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 400 transitions, 1758 flow [2022-12-06 00:03:06,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-12-06 00:03:06,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2022-12-06 00:03:06,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 474 transitions. [2022-12-06 00:03:06,281 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.512987012987013 [2022-12-06 00:03:06,281 INFO L175 Difference]: Start difference. First operand has 87 places, 94 transitions, 300 flow. Second operand 12 states and 474 transitions. [2022-12-06 00:03:06,282 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 400 transitions, 1758 flow [2022-12-06 00:03:07,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 400 transitions, 1756 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-06 00:03:07,108 INFO L231 Difference]: Finished difference. Result has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,109 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=293, PETRI_DIFFERENCE_MINUEND_PLACES=86, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=670, PETRI_PLACES=105, PETRI_TRANSITIONS=157} [2022-12-06 00:03:07,117 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 23 predicate places. [2022-12-06 00:03:07,117 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:03:07,117 INFO L89 Accepts]: Start accepts. Operand has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,123 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:03:07,123 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:03:07,123 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,124 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,518 INFO L130 PetriNetUnfolder]: 1187/4553 cut-off events. [2022-12-06 00:03:07,521 INFO L131 PetriNetUnfolder]: For 1440/1496 co-relation queries the response was YES. [2022-12-06 00:03:07,535 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8992 conditions, 4553 events. 1187/4553 cut-off events. For 1440/1496 co-relation queries the response was YES. Maximal size of possible extension queue 277. Compared 48064 event pairs, 317 based on Foata normal form. 11/4234 useless extension candidates. Maximal degree in co-relation 8544. Up to 829 conditions per place. [2022-12-06 00:03:07,595 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,595 INFO L188 LiptonReduction]: Number of co-enabled transitions 6534 [2022-12-06 00:03:07,721 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:03:07,722 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 605 [2022-12-06 00:03:07,723 INFO L495 AbstractCegarLoop]: Abstraction has has 105 places, 157 transitions, 670 flow [2022-12-06 00:03:07,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.777777777777779) internal successors, (133), 9 states have internal predecessors, (133), 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 00:03:07,723 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:03:07,724 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, 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 00:03:07,724 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 00:03:07,724 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:03:07,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:03:07,724 INFO L85 PathProgramCache]: Analyzing trace with hash -1339777785, now seen corresponding path program 1 times [2022-12-06 00:03:07,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:03:07,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841943468] [2022-12-06 00:03:07,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:03:07,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:03:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:03:07,962 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 00:03:07,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:03:07,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841943468] [2022-12-06 00:03:07,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841943468] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:03:07,964 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:03:07,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:03:07,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488884551] [2022-12-06 00:03:07,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:03:07,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:03:07,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:03:07,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:03:07,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:03:07,965 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 77 [2022-12-06 00:03:07,965 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 105 places, 157 transitions, 670 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 00:03:07,965 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:03:07,965 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 77 [2022-12-06 00:03:07,965 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:03:33,259 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), 183#L274-2true, Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 194#L209true, 268#true, 85#thread3EXITtrue, 35#thread2EXITtrue, 245#true]) [2022-12-06 00:03:33,259 INFO L382 tUnfolder$Statistics]: this new event has 52 ancestors and is not cut-off event [2022-12-06 00:03:33,259 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 00:03:33,259 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 00:03:33,260 INFO L385 tUnfolder$Statistics]: existing Event has 52 ancestors and is not cut-off event [2022-12-06 00:03:33,260 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 268#true, 185#L275-1true, 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 85#thread3EXITtrue, 35#thread2EXITtrue, 245#true]) [2022-12-06 00:03:33,260 INFO L382 tUnfolder$Statistics]: this new event has 53 ancestors and is cut-off event [2022-12-06 00:03:33,260 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 00:03:33,260 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 00:03:33,260 INFO L385 tUnfolder$Statistics]: existing Event has 53 ancestors and is cut-off event [2022-12-06 00:03:33,457 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), 171#L275-2true, Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 268#true, 85#thread3EXITtrue, 245#true]) [2022-12-06 00:03:33,457 INFO L382 tUnfolder$Statistics]: this new event has 54 ancestors and is cut-off event [2022-12-06 00:03:33,457 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 00:03:33,457 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 00:03:33,457 INFO L385 tUnfolder$Statistics]: existing Event has 54 ancestors and is cut-off event [2022-12-06 00:03:33,567 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][128], [Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 104#L276-1true, Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), 268#true, 194#L209true, Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 85#thread3EXITtrue, 245#true]) [2022-12-06 00:03:33,567 INFO L382 tUnfolder$Statistics]: this new event has 55 ancestors and is cut-off event [2022-12-06 00:03:33,567 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 00:03:33,567 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 00:03:33,567 INFO L385 tUnfolder$Statistics]: existing Event has 55 ancestors and is cut-off event [2022-12-06 00:03:34,145 INFO L130 PetriNetUnfolder]: 142409/213029 cut-off events. [2022-12-06 00:03:34,145 INFO L131 PetriNetUnfolder]: For 104999/106927 co-relation queries the response was YES. [2022-12-06 00:03:35,355 INFO L83 FinitePrefix]: Finished finitePrefix Result has 524471 conditions, 213029 events. 142409/213029 cut-off events. For 104999/106927 co-relation queries the response was YES. Maximal size of possible extension queue 4121. Compared 1741023 event pairs, 111692 based on Foata normal form. 2428/208644 useless extension candidates. Maximal degree in co-relation 453441. Up to 172093 conditions per place. [2022-12-06 00:03:36,433 INFO L137 encePairwiseOnDemand]: 72/77 looper letters, 147 selfloop transitions, 10 changer transitions 0/197 dead transitions. [2022-12-06 00:03:36,435 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 107 places, 197 transitions, 1121 flow [2022-12-06 00:03:36,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:03:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:03:36,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 146 transitions. [2022-12-06 00:03:36,436 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6320346320346321 [2022-12-06 00:03:36,436 INFO L175 Difference]: Start difference. First operand has 105 places, 157 transitions, 670 flow. Second operand 3 states and 146 transitions. [2022-12-06 00:03:36,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 107 places, 197 transitions, 1121 flow [2022-12-06 00:03:37,174 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 197 transitions, 1121 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-12-06 00:03:37,191 INFO L231 Difference]: Finished difference. Result has 108 places, 155 transitions, 694 flow [2022-12-06 00:03:37,192 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=658, PETRI_DIFFERENCE_MINUEND_PLACES=105, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=145, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=694, PETRI_PLACES=108, PETRI_TRANSITIONS=155} [2022-12-06 00:03:37,196 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 26 predicate places. [2022-12-06 00:03:37,196 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:03:37,197 INFO L89 Accepts]: Start accepts. Operand has 108 places, 155 transitions, 694 flow [2022-12-06 00:03:37,198 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:03:37,198 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:03:37,199 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 108 places, 155 transitions, 694 flow [2022-12-06 00:03:37,199 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 108 places, 155 transitions, 694 flow [2022-12-06 00:03:37,610 INFO L130 PetriNetUnfolder]: 1479/5460 cut-off events. [2022-12-06 00:03:37,610 INFO L131 PetriNetUnfolder]: For 2198/2250 co-relation queries the response was YES. [2022-12-06 00:03:37,630 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11411 conditions, 5460 events. 1479/5460 cut-off events. For 2198/2250 co-relation queries the response was YES. Maximal size of possible extension queue 310. Compared 58772 event pairs, 539 based on Foata normal form. 20/5051 useless extension candidates. Maximal degree in co-relation 10873. Up to 845 conditions per place. [2022-12-06 00:03:37,735 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 108 places, 155 transitions, 694 flow [2022-12-06 00:03:37,735 INFO L188 LiptonReduction]: Number of co-enabled transitions 5736 [2022-12-06 00:03:37,796 ERROR L112 fgCompositionFactory]: Composing non-subsequent actions: [960] L53-->L59: Formula: (and (= v_~e1~0_82 0) (= v_~n1~0_187 (+ v_~n1~0_188 1))) InVars {~n1~0=v_~n1~0_188} OutVars{thread1Thread1of1ForFork1_#t~post1#1=|v_thread1Thread1of1ForFork1_#t~post1#1_17|, ~n1~0=v_~n1~0_187, ~e1~0=v_~e1~0_82} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#t~post1#1, ~n1~0, ~e1~0] and [912] L105-->L111: Formula: (and (= v_~e2~0_52 0) (= v_~n2~0_113 (+ v_~n2~0_114 1))) InVars {~n2~0=v_~n2~0_114} OutVars{~n2~0=v_~n2~0_113, thread2Thread1of1ForFork3_#t~post2#1=|v_thread2Thread1of1ForFork3_#t~post2#1_9|, ~e2~0=v_~e2~0_52} AuxVars[] AssignedVars[~n2~0, thread2Thread1of1ForFork3_#t~post2#1, ~e2~0] [2022-12-06 00:03:37,918 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 00:03:37,932 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 736 [2022-12-06 00:03:37,932 INFO L495 AbstractCegarLoop]: Abstraction has has 108 places, 155 transitions, 698 flow [2022-12-06 00:03:37,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 00:03:37,933 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:03:37,933 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, 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 00:03:37,933 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 00:03:37,933 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:03:37,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:03:37,934 INFO L85 PathProgramCache]: Analyzing trace with hash 1313083165, now seen corresponding path program 2 times [2022-12-06 00:03:37,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:03:37,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321758897] [2022-12-06 00:03:37,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:03:37,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:03:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:03:38,342 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 00:03:38,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:03:38,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321758897] [2022-12-06 00:03:38,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321758897] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:03:38,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:03:38,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:03:38,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141771566] [2022-12-06 00:03:38,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:03:38,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:03:38,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:03:38,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:03:38,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:03:38,346 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2022-12-06 00:03:38,346 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 108 places, 155 transitions, 698 flow. Second operand has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 00:03:38,346 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:03:38,346 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2022-12-06 00:03:38,346 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:03:58,846 INFO L130 PetriNetUnfolder]: 123346/183977 cut-off events. [2022-12-06 00:03:58,846 INFO L131 PetriNetUnfolder]: For 137551/138961 co-relation queries the response was YES. [2022-12-06 00:04:00,096 INFO L83 FinitePrefix]: Finished finitePrefix Result has 492031 conditions, 183977 events. 123346/183977 cut-off events. For 137551/138961 co-relation queries the response was YES. Maximal size of possible extension queue 3441. Compared 1477996 event pairs, 92863 based on Foata normal form. 1416/180526 useless extension candidates. Maximal degree in co-relation 421271. Up to 143796 conditions per place. [2022-12-06 00:04:00,974 INFO L137 encePairwiseOnDemand]: 73/78 looper letters, 157 selfloop transitions, 19 changer transitions 1/217 dead transitions. [2022-12-06 00:04:00,978 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 217 transitions, 1352 flow [2022-12-06 00:04:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:04:00,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:04:00,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 151 transitions. [2022-12-06 00:04:00,979 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6452991452991453 [2022-12-06 00:04:00,979 INFO L175 Difference]: Start difference. First operand has 108 places, 155 transitions, 698 flow. Second operand 3 states and 151 transitions. [2022-12-06 00:04:00,979 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 217 transitions, 1352 flow [2022-12-06 00:04:02,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 108 places, 217 transitions, 1312 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 00:04:02,343 INFO L231 Difference]: Finished difference. Result has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:02,343 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=678, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=741, PETRI_PLACES=109, PETRI_TRANSITIONS=155} [2022-12-06 00:04:02,345 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 27 predicate places. [2022-12-06 00:04:02,345 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:04:02,359 INFO L89 Accepts]: Start accepts. Operand has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:02,364 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:04:02,364 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:04:02,365 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:02,373 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:02,989 INFO L130 PetriNetUnfolder]: 1814/6204 cut-off events. [2022-12-06 00:04:02,989 INFO L131 PetriNetUnfolder]: For 3195/3225 co-relation queries the response was YES. [2022-12-06 00:04:03,023 INFO L83 FinitePrefix]: Finished finitePrefix Result has 14126 conditions, 6204 events. 1814/6204 cut-off events. For 3195/3225 co-relation queries the response was YES. Maximal size of possible extension queue 297. Compared 66108 event pairs, 748 based on Foata normal form. 20/5681 useless extension candidates. Maximal degree in co-relation 13692. Up to 1077 conditions per place. [2022-12-06 00:04:03,088 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:03,088 INFO L188 LiptonReduction]: Number of co-enabled transitions 5532 [2022-12-06 00:04:03,170 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:04:03,180 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 835 [2022-12-06 00:04:03,180 INFO L495 AbstractCegarLoop]: Abstraction has has 109 places, 155 transitions, 741 flow [2022-12-06 00:04:03,180 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.666666666666664) internal successors, (104), 3 states have internal predecessors, (104), 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 00:04:03,180 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:04:03,180 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:04:03,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 00:04:03,181 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:04:03,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:04:03,181 INFO L85 PathProgramCache]: Analyzing trace with hash -586171520, now seen corresponding path program 1 times [2022-12-06 00:04:03,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:04:03,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548551030] [2022-12-06 00:04:03,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:04:03,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:04:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:04:03,535 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 00:04:03,536 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:04:03,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548551030] [2022-12-06 00:04:03,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548551030] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:04:03,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:04:03,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 00:04:03,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1619143051] [2022-12-06 00:04:03,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:04:03,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 00:04:03,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:04:03,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 00:04:03,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 00:04:03,537 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 16 out of 78 [2022-12-06 00:04:03,538 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 155 transitions, 741 flow. Second operand has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 00:04:03,538 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:04:03,538 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 16 of 78 [2022-12-06 00:04:03,538 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:04:23,564 INFO L130 PetriNetUnfolder]: 123005/185349 cut-off events. [2022-12-06 00:04:23,564 INFO L131 PetriNetUnfolder]: For 142698/145308 co-relation queries the response was YES. [2022-12-06 00:04:24,745 INFO L83 FinitePrefix]: Finished finitePrefix Result has 500553 conditions, 185349 events. 123005/185349 cut-off events. For 142698/145308 co-relation queries the response was YES. Maximal size of possible extension queue 3516. Compared 1518126 event pairs, 93707 based on Foata normal form. 1611/179607 useless extension candidates. Maximal degree in co-relation 430308. Up to 150634 conditions per place. [2022-12-06 00:04:25,366 INFO L137 encePairwiseOnDemand]: 73/78 looper letters, 164 selfloop transitions, 15 changer transitions 0/219 dead transitions. [2022-12-06 00:04:25,366 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 219 transitions, 1420 flow [2022-12-06 00:04:25,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 00:04:25,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 00:04:25,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 145 transitions. [2022-12-06 00:04:25,367 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6196581196581197 [2022-12-06 00:04:25,367 INFO L175 Difference]: Start difference. First operand has 109 places, 155 transitions, 741 flow. Second operand 3 states and 145 transitions. [2022-12-06 00:04:25,367 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 219 transitions, 1420 flow [2022-12-06 00:04:26,066 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 109 places, 219 transitions, 1350 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 00:04:26,068 INFO L231 Difference]: Finished difference. Result has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,068 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=703, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=140, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=754, PETRI_PLACES=110, PETRI_TRANSITIONS=155} [2022-12-06 00:04:26,070 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 28 predicate places. [2022-12-06 00:04:26,070 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:04:26,070 INFO L89 Accepts]: Start accepts. Operand has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,076 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:04:26,076 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:04:26,076 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,077 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,516 INFO L130 PetriNetUnfolder]: 2148/7704 cut-off events. [2022-12-06 00:04:26,516 INFO L131 PetriNetUnfolder]: For 4727/4785 co-relation queries the response was YES. [2022-12-06 00:04:26,552 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17901 conditions, 7704 events. 2148/7704 cut-off events. For 4727/4785 co-relation queries the response was YES. Maximal size of possible extension queue 331. Compared 86588 event pairs, 957 based on Foata normal form. 20/7016 useless extension candidates. Maximal degree in co-relation 17367. Up to 1292 conditions per place. [2022-12-06 00:04:26,725 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,725 INFO L188 LiptonReduction]: Number of co-enabled transitions 5402 [2022-12-06 00:04:26,794 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:04:26,796 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 726 [2022-12-06 00:04:26,796 INFO L495 AbstractCegarLoop]: Abstraction has has 110 places, 155 transitions, 754 flow [2022-12-06 00:04:26,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 34.333333333333336) internal successors, (103), 3 states have internal predecessors, (103), 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 00:04:26,797 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:04:26,797 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:04:26,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 00:04:26,797 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:04:26,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:04:26,797 INFO L85 PathProgramCache]: Analyzing trace with hash -2032583738, now seen corresponding path program 2 times [2022-12-06 00:04:26,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:04:26,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109923190] [2022-12-06 00:04:26,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:04:26,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:04:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:04:27,635 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 00:04:27,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:04:27,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109923190] [2022-12-06 00:04:27,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109923190] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:04:27,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:04:27,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-12-06 00:04:27,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258664440] [2022-12-06 00:04:27,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:04:27,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-12-06 00:04:27,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:04:27,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-12-06 00:04:27,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-12-06 00:04:27,638 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 78 [2022-12-06 00:04:27,638 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 155 transitions, 754 flow. Second operand has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 11 states have internal predecessors, (151), 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 00:04:27,638 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:04:27,638 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 78 [2022-12-06 00:04:27,638 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:05:08,018 INFO L130 PetriNetUnfolder]: 297128/421811 cut-off events. [2022-12-06 00:05:08,019 INFO L131 PetriNetUnfolder]: For 441244/443143 co-relation queries the response was YES. [2022-12-06 00:05:10,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1205962 conditions, 421811 events. 297128/421811 cut-off events. For 441244/443143 co-relation queries the response was YES. Maximal size of possible extension queue 6230. Compared 3252835 event pairs, 91199 based on Foata normal form. 5400/421709 useless extension candidates. Maximal degree in co-relation 1109540. Up to 249870 conditions per place. [2022-12-06 00:05:11,604 INFO L137 encePairwiseOnDemand]: 61/78 looper letters, 520 selfloop transitions, 113 changer transitions 6/663 dead transitions. [2022-12-06 00:05:11,605 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 663 transitions, 4426 flow [2022-12-06 00:05:11,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-06 00:05:11,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-06 00:05:11,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 543 transitions. [2022-12-06 00:05:11,606 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5355029585798816 [2022-12-06 00:05:11,606 INFO L175 Difference]: Start difference. First operand has 110 places, 155 transitions, 754 flow. Second operand 13 states and 543 transitions. [2022-12-06 00:05:11,606 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 663 transitions, 4426 flow [2022-12-06 00:05:23,255 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 120 places, 663 transitions, 4260 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-06 00:05:23,260 INFO L231 Difference]: Finished difference. Result has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:23,260 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=724, PETRI_DIFFERENCE_MINUEND_PLACES=108, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=155, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=1817, PETRI_PLACES=130, PETRI_TRANSITIONS=257} [2022-12-06 00:05:23,262 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 48 predicate places. [2022-12-06 00:05:23,262 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:05:23,262 INFO L89 Accepts]: Start accepts. Operand has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:23,266 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:05:23,266 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:05:23,266 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:23,272 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:24,600 INFO L130 PetriNetUnfolder]: 5613/16986 cut-off events. [2022-12-06 00:05:24,601 INFO L131 PetriNetUnfolder]: For 33832/34578 co-relation queries the response was YES. [2022-12-06 00:05:24,710 INFO L83 FinitePrefix]: Finished finitePrefix Result has 52663 conditions, 16986 events. 5613/16986 cut-off events. For 33832/34578 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 204224 event pairs, 1652 based on Foata normal form. 155/15493 useless extension candidates. Maximal degree in co-relation 51673. Up to 3291 conditions per place. [2022-12-06 00:05:24,872 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:24,873 INFO L188 LiptonReduction]: Number of co-enabled transitions 8112 [2022-12-06 00:05:25,076 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:05:25,078 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1816 [2022-12-06 00:05:25,078 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 257 transitions, 1817 flow [2022-12-06 00:05:25,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 13.727272727272727) internal successors, (151), 11 states have internal predecessors, (151), 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 00:05:25,078 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:05:25,078 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 00:05:25,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 00:05:25,078 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:05:25,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:05:25,079 INFO L85 PathProgramCache]: Analyzing trace with hash -2144059842, now seen corresponding path program 3 times [2022-12-06 00:05:25,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:05:25,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363143523] [2022-12-06 00:05:25,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:05:25,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:05:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:05:26,515 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 00:05:26,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:05:26,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363143523] [2022-12-06 00:05:26,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363143523] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:05:26,515 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:05:26,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 00:05:26,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041200167] [2022-12-06 00:05:26,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:05:26,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 00:05:26,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:05:26,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 00:05:26,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-12-06 00:05:26,516 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 78 [2022-12-06 00:05:26,517 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 257 transitions, 1817 flow. Second operand has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 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 00:05:26,517 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:05:26,517 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 78 [2022-12-06 00:05:26,517 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 00:06:27,091 INFO L130 PetriNetUnfolder]: 321123/454288 cut-off events. [2022-12-06 00:06:27,092 INFO L131 PetriNetUnfolder]: For 1072324/1075446 co-relation queries the response was YES. [2022-12-06 00:06:30,327 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1545218 conditions, 454288 events. 321123/454288 cut-off events. For 1072324/1075446 co-relation queries the response was YES. Maximal size of possible extension queue 6457. Compared 3480790 event pairs, 175056 based on Foata normal form. 3968/451175 useless extension candidates. Maximal degree in co-relation 1416576. Up to 391681 conditions per place. [2022-12-06 00:06:32,258 INFO L137 encePairwiseOnDemand]: 64/78 looper letters, 354 selfloop transitions, 47 changer transitions 0/425 dead transitions. [2022-12-06 00:06:32,258 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 135 places, 425 transitions, 3725 flow [2022-12-06 00:06:32,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 00:06:32,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 00:06:32,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 233 transitions. [2022-12-06 00:06:32,260 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49786324786324787 [2022-12-06 00:06:32,260 INFO L175 Difference]: Start difference. First operand has 130 places, 257 transitions, 1817 flow. Second operand 6 states and 233 transitions. [2022-12-06 00:06:32,260 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 135 places, 425 transitions, 3725 flow [2022-12-06 00:07:27,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 135 places, 425 transitions, 3667 flow, removed 29 selfloop flow, removed 0 redundant places. [2022-12-06 00:07:27,901 INFO L231 Difference]: Finished difference. Result has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:27,901 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=78, PETRI_DIFFERENCE_MINUEND_FLOW=1790, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=256, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=217, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=2245, PETRI_PLACES=139, PETRI_TRANSITIONS=291} [2022-12-06 00:07:27,901 INFO L294 CegarLoopForPetriNet]: 82 programPoint places, 57 predicate places. [2022-12-06 00:07:27,902 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 00:07:27,902 INFO L89 Accepts]: Start accepts. Operand has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:27,914 INFO L95 Accepts]: Finished accepts. [2022-12-06 00:07:27,914 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 00:07:27,915 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:27,916 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:28,085 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([811] L99-->L102: Formula: (= v_~n2~0_7 (ite (< v_~n2~0_8 v_~n3~0_3) v_~n3~0_3 v_~n2~0_8)) InVars {~n2~0=v_~n2~0_8, ~n3~0=v_~n3~0_3} OutVars{~n2~0=v_~n2~0_7, ~n3~0=v_~n3~0_3} AuxVars[] AssignedVars[~n2~0][23], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 158#L53true, 211#(and (<= ~i~0 0) (<= 0 ~i~0)), 51#L163true, 194#L209true, Black: 278#(= ~e3~0 1), 165#L273-4true, 245#true, 280#true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 71#L102true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true]) [2022-12-06 00:07:28,086 INFO L382 tUnfolder$Statistics]: this new event has 20 ancestors and is cut-off event [2022-12-06 00:07:28,086 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-06 00:07:28,086 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-06 00:07:28,086 INFO L385 tUnfolder$Statistics]: existing Event has 20 ancestors and is cut-off event [2022-12-06 00:07:28,142 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([811] L99-->L102: Formula: (= v_~n2~0_7 (ite (< v_~n2~0_8 v_~n3~0_3) v_~n3~0_3 v_~n2~0_8)) InVars {~n2~0=v_~n2~0_8, ~n3~0=v_~n3~0_3} OutVars{~n2~0=v_~n2~0_7, ~n3~0=v_~n3~0_3} AuxVars[] AssignedVars[~n2~0][23], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 158#L53true, 211#(and (<= ~i~0 0) (<= 0 ~i~0)), 51#L163true, Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 71#L102true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 309#true, 55#L215true]) [2022-12-06 00:07:28,142 INFO L382 tUnfolder$Statistics]: this new event has 21 ancestors and is cut-off event [2022-12-06 00:07:28,142 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-06 00:07:28,142 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-06 00:07:28,142 INFO L385 tUnfolder$Statistics]: existing Event has 21 ancestors and is cut-off event [2022-12-06 00:07:28,214 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([811] L99-->L102: Formula: (= v_~n2~0_7 (ite (< v_~n2~0_8 v_~n3~0_3) v_~n3~0_3 v_~n2~0_8)) InVars {~n2~0=v_~n2~0_8, ~n3~0=v_~n3~0_3} OutVars{~n2~0=v_~n2~0_7, ~n3~0=v_~n3~0_3} AuxVars[] AssignedVars[~n2~0][23], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), 18#L170true, Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 158#L53true, 211#(and (<= ~i~0 0) (<= 0 ~i~0)), 194#L209true, Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 71#L102true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true]) [2022-12-06 00:07:28,214 INFO L382 tUnfolder$Statistics]: this new event has 22 ancestors and is cut-off event [2022-12-06 00:07:28,214 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-06 00:07:28,214 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-06 00:07:28,214 INFO L385 tUnfolder$Statistics]: existing Event has 22 ancestors and is cut-off event [2022-12-06 00:07:28,268 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([811] L99-->L102: Formula: (= v_~n2~0_7 (ite (< v_~n2~0_8 v_~n3~0_3) v_~n3~0_3 v_~n2~0_8)) InVars {~n2~0=v_~n2~0_8, ~n3~0=v_~n3~0_3} OutVars{~n2~0=v_~n2~0_7, ~n3~0=v_~n3~0_3} AuxVars[] AssignedVars[~n2~0][23], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), 18#L170true, Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 158#L53true, 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 71#L102true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 309#true, 55#L215true]) [2022-12-06 00:07:28,268 INFO L382 tUnfolder$Statistics]: this new event has 23 ancestors and is cut-off event [2022-12-06 00:07:28,268 INFO L385 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-06 00:07:28,268 INFO L385 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-06 00:07:28,269 INFO L385 tUnfolder$Statistics]: existing Event has 23 ancestors and is cut-off event [2022-12-06 00:07:28,575 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([912] L105-->L111: Formula: (and (= v_~e2~0_52 0) (= v_~n2~0_113 (+ v_~n2~0_114 1))) InVars {~n2~0=v_~n2~0_114} OutVars{~n2~0=v_~n2~0_113, thread2Thread1of1ForFork3_#t~post2#1=|v_thread2Thread1of1ForFork3_#t~post2#1_9|, ~e2~0=v_~e2~0_52} AuxVars[] AssignedVars[~n2~0, thread2Thread1of1ForFork3_#t~post2#1, ~e2~0][95], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 105#L59true, Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), 51#L163true, Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 96#L222true, 165#L273-4true, 103#L111true, 280#true, 245#true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 309#true]) [2022-12-06 00:07:28,575 INFO L382 tUnfolder$Statistics]: this new event has 26 ancestors and is not cut-off event [2022-12-06 00:07:28,575 INFO L385 tUnfolder$Statistics]: existing Event has 26 ancestors and is not cut-off event [2022-12-06 00:07:28,575 INFO L385 tUnfolder$Statistics]: existing Event has 26 ancestors and is not cut-off event [2022-12-06 00:07:28,576 INFO L385 tUnfolder$Statistics]: existing Event has 26 ancestors and is not cut-off event [2022-12-06 00:07:28,697 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([974] L189-->thread3EXIT: Formula: (and (= |v_thread3Thread1of1ForFork0_#res#1.base_15| 0) (= v_~n3~0_189 0) (= |v_thread3Thread1of1ForFork0_#res#1.offset_15| 0)) InVars {} OutVars{thread3Thread1of1ForFork0_#res#1.offset=|v_thread3Thread1of1ForFork0_#res#1.offset_15|, ~n3~0=v_~n3~0_189, thread3Thread1of1ForFork0_#res#1.base=|v_thread3Thread1of1ForFork0_#res#1.base_15|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_#res#1.offset, ~n3~0, thread3Thread1of1ForFork0_#res#1.base][220], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 105#L59true, Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 71#L102true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 85#thread3EXITtrue, 309#true, 55#L215true]) [2022-12-06 00:07:28,698 INFO L382 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,698 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,698 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,698 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,763 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([943] L157-->L163: Formula: (and (= (+ v_~n3~0_136 1) v_~n3~0_135) (= v_~e3~0_71 0)) InVars {~n3~0=v_~n3~0_136} OutVars{~n3~0=v_~n3~0_135, ~e3~0=v_~e3~0_71, thread3Thread1of1ForFork0_#t~post3#1=|v_thread3Thread1of1ForFork0_#t~post3#1_11|} AuxVars[] AssignedVars[~n3~0, ~e3~0, thread3Thread1of1ForFork0_#t~post3#1][85], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, 51#L163true, Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, 26#thread1EXITtrue, 83#L99true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true, 55#L215true]) [2022-12-06 00:07:28,763 INFO L382 tUnfolder$Statistics]: this new event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,763 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,763 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,763 INFO L385 tUnfolder$Statistics]: existing Event has 30 ancestors and is cut-off event [2022-12-06 00:07:28,862 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([850] L219-->L222: Formula: (and (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_3|)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_3| (ite (not (and (or (< v_~n1~0_48 v_~n4~0_48) (= v_~n1~0_48 v_~n4~0_48)) (not (= v_~n1~0_48 0)))) 1 0)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_3| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_3|)) InVars {~n4~0=v_~n4~0_48, ~n1~0=v_~n1~0_48} OutVars{~n4~0=v_~n4~0_48, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_3|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_3|, ~n1~0=v_~n1~0_48} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][97], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), 209#true, Black: 274#(= ~e4~0 1), 96#L222true, 165#L273-4true, 280#true, 245#true, 26#thread1EXITtrue, 83#L99true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true, 13#L157true]) [2022-12-06 00:07:28,862 INFO L382 tUnfolder$Statistics]: this new event has 31 ancestors and is not cut-off event [2022-12-06 00:07:28,862 INFO L385 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-06 00:07:28,863 INFO L385 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-06 00:07:28,863 INFO L385 tUnfolder$Statistics]: existing Event has 31 ancestors and is not cut-off event [2022-12-06 00:07:29,121 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([836] L176-->L179: Formula: (and (= (ite (= (mod v_~e4~0_21 256) 0) 1 0) |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_9|) (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_9| |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_9|) (not (= |v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_9| 0))) InVars {~e4~0=v_~e4~0_21} OutVars{~e4~0=v_~e4~0_21, thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1_9|, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1=|v_thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1_9|} AuxVars[] AssignedVars[thread3Thread1of1ForFork0_assume_abort_if_not_#in~cond#1, thread3Thread1of1ForFork0_assume_abort_if_not_~cond#1][111], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), 86#L179true, Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 103#L111true, 280#true, 245#true, 148#L75true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true, 55#L215true]) [2022-12-06 00:07:29,121 INFO L382 tUnfolder$Statistics]: this new event has 34 ancestors and is cut-off event [2022-12-06 00:07:29,121 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-06 00:07:29,121 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-06 00:07:29,121 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is cut-off event [2022-12-06 00:07:29,143 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([853] L228-->L231: Formula: (and (= (ite (= (mod v_~e3~0_25 256) 0) 1 0) |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|) (not (= 0 |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) (= |v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9| |v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|)) InVars {~e3~0=v_~e3~0_25} OutVars{~e3~0=v_~e3~0_25, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1_9|, thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1=|v_thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1_9|} AuxVars[] AssignedVars[thread4Thread1of1ForFork2_assume_abort_if_not_~cond#1, thread4Thread1of1ForFork2_assume_abort_if_not_#in~cond#1][150], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), 51#L163true, Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 21#L121true, 245#true, 280#true, 6#L69true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), 149#L231true, Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 309#true]) [2022-12-06 00:07:29,143 INFO L382 tUnfolder$Statistics]: this new event has 35 ancestors and is cut-off event [2022-12-06 00:07:29,143 INFO L385 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-06 00:07:29,143 INFO L385 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-06 00:07:29,143 INFO L385 tUnfolder$Statistics]: existing Event has 35 ancestors and is cut-off event [2022-12-06 00:07:29,170 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([802] L72-->L75: Formula: (and (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~e4~0_23 256) 0) 1 0)) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9|)) InVars {~e4~0=v_~e4~0_23} OutVars{~e4~0=v_~e4~0_23, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1][50], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), 86#L179true, Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 103#L111true, 245#true, 280#true, 148#L75true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true, 55#L215true]) [2022-12-06 00:07:29,170 INFO L382 tUnfolder$Statistics]: this new event has 34 ancestors and is not cut-off event [2022-12-06 00:07:29,170 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-06 00:07:29,170 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-06 00:07:29,170 INFO L385 tUnfolder$Statistics]: existing Event has 34 ancestors and is not cut-off event [2022-12-06 00:07:29,214 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([819] L124-->L127: Formula: (and (= (ite (= (mod v_~e4~0_19 256) 0) 1 0) |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| |v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|) (not (= |v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9| 0))) InVars {~e4~0=v_~e4~0_19} OutVars{~e4~0=v_~e4~0_19, thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1_9|, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1=|v_thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork3_assume_abort_if_not_~cond#1, thread2Thread1of1ForFork3_assume_abort_if_not_#in~cond#1][77], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 164#L127true, Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), 86#L179true, Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 280#true, 245#true, 6#L69true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), 309#true, 55#L215true]) [2022-12-06 00:07:29,214 INFO L382 tUnfolder$Statistics]: this new event has 37 ancestors and is cut-off event [2022-12-06 00:07:29,214 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-06 00:07:29,214 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-06 00:07:29,214 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is cut-off event [2022-12-06 00:07:29,310 INFO L380 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([802] L72-->L75: Formula: (and (not (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9| 0)) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9| (ite (= (mod v_~e4~0_23 256) 0) 1 0)) (= |v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9| |v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9|)) InVars {~e4~0=v_~e4~0_23} OutVars{~e4~0=v_~e4~0_23, thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1_9|, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1=|v_thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1_9|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond#1, thread1Thread1of1ForFork1_assume_abort_if_not_~cond#1][50], [Black: 317#(and (<= 1 ~n1~0) (< ~n1~0 (+ ~n2~0 1)) (<= ~n2~0 ~n1~0)), Black: 319#(and (= ~n2~0 ~n4~0) (<= 0 ~n2~0) (<= ~n2~0 0) (= ~n3~0 0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 314#(and (= ~n2~0 0) (= ~n1~0 ~n4~0) (= ~n2~0 ~n4~0)), Black: 316#(and (<= 0 ~n1~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 253#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0)), 288#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0)), Black: 248#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 247#(and (<= ~n3~0 ~n4~0) (<= ~n1~0 ~n4~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 251#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0)), 164#L127true, Black: 255#(and (<= 1 ~n1~0) (<= ~n3~0 ~n2~0) (<= (+ ~n4~0 1) ~n2~0) (<= ~n1~0 ~n2~0) (<= ~n2~0 ~n1~0)), Black: 250#(and (<= 1 ~n1~0) (= ~n2~0 ~n1~0) (<= (+ ~n4~0 1) ~n1~0) (<= (+ ~n3~0 1) ~n1~0)), Black: 257#(and (<= 1 ~n1~0) (<= (+ ~n1~0 1) ~n2~0) (<= (+ ~n4~0 1) ~n2~0)), Black: 249#(and (<= ~n3~0 ~n2~0) (<= 0 ~n2~0) (<= ~n4~0 ~n2~0) (<= (+ ~n2~0 1) ~n1~0)), Black: 270#(= ~e2~0 1), 211#(and (<= ~i~0 0) (<= 0 ~i~0)), Black: 274#(= ~e4~0 1), Black: 278#(= ~e3~0 1), 165#L273-4true, 245#true, 148#L75true, Black: 289#(and (<= 1 ~n1~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n3~0)), Black: 292#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n2~0) (<= ~n2~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 283#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 294#(and (<= 0 ~n4~0) (<= ~n1~0 ~n4~0) (<= ~n4~0 ~n1~0) (<= ~n4~0 ~n3~0)), Black: 286#(and (< ~n4~0 (+ ~n1~0 1)) (<= 0 ~n4~0) (<= ~n1~0 ~n4~0)), 5#L173true, Black: 284#(and (<= 0 ~n4~0) (<= ~n4~0 ~n1~0)), Black: 227#(and (<= ~i~0 2) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 1 ~i2~0) (<= ~i3~0 0) (<= 2 ~i~0)), Black: 296#(and (<= 1 ~n1~0) (<= ~n4~0 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), Black: 233#(and (<= 2 ~i1~0) (<= 0 ~i3~0) (<= ~i2~0 1) (<= 3 ~i~0) (<= 1 ~i2~0) (<= ~i1~0 2) (<= ~i~0 3) (<= ~i3~0 0)), Black: 290#(and (<= 1 ~n1~0) (<= (+ ~n4~0 1) ~n3~0) (<= ~n1~0 ~n4~0)), Black: 223#(and (<= 1 ~i~0) (<= 0 ~i3~0) (<= ~i~0 1) (<= ~i3~0 0)), Black: 287#(and (<= 1 ~n1~0) (<= ~n1~0 (+ ~n4~0 1))), 309#true, 55#L215true]) [2022-12-06 00:07:29,311 INFO L382 tUnfolder$Statistics]: this new event has 37 ancestors and is not cut-off event [2022-12-06 00:07:29,312 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-06 00:07:29,312 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-06 00:07:29,312 INFO L385 tUnfolder$Statistics]: existing Event has 37 ancestors and is not cut-off event [2022-12-06 00:07:29,657 INFO L130 PetriNetUnfolder]: 7166/20008 cut-off events. [2022-12-06 00:07:29,657 INFO L131 PetriNetUnfolder]: For 50542/52239 co-relation queries the response was YES. [2022-12-06 00:07:29,776 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69407 conditions, 20008 events. 7166/20008 cut-off events. For 50542/52239 co-relation queries the response was YES. Maximal size of possible extension queue 882. Compared 236844 event pairs, 2749 based on Foata normal form. 215/18072 useless extension candidates. Maximal degree in co-relation 68728. Up to 3646 conditions per place. [2022-12-06 00:07:29,959 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:29,960 INFO L188 LiptonReduction]: Number of co-enabled transitions 8650 [2022-12-06 00:07:30,187 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 00:07:30,188 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2286 [2022-12-06 00:07:30,188 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 291 transitions, 2245 flow [2022-12-06 00:07:30,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.0) internal successors, (135), 9 states have internal predecessors, (135), 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 00:07:30,188 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 00:07:30,189 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, 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 00:07:30,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 00:07:30,189 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 00:07:30,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 00:07:30,189 INFO L85 PathProgramCache]: Analyzing trace with hash -56351335, now seen corresponding path program 3 times [2022-12-06 00:07:30,189 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 00:07:30,189 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713627861] [2022-12-06 00:07:30,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 00:07:30,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 00:07:30,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 00:07:31,191 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 00:07:31,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 00:07:31,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713627861] [2022-12-06 00:07:31,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713627861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 00:07:31,192 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 00:07:31,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-06 00:07:31,192 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380313090] [2022-12-06 00:07:31,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 00:07:31,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 00:07:31,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 00:07:31,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 00:07:31,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-12-06 00:07:31,193 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 78 [2022-12-06 00:07:31,193 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 291 transitions, 2245 flow. Second operand has 9 states, 9 states have (on average 15.11111111111111) internal successors, (136), 9 states have internal predecessors, (136), 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 00:07:31,193 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 00:07:31,193 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 78 [2022-12-06 00:07:31,193 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand