/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-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 18:59:43,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 18:59:43,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 18:59:43,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 18:59:43,688 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 18:59:43,690 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 18:59:43,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 18:59:43,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 18:59:43,701 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 18:59:43,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 18:59:43,708 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 18:59:43,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 18:59:43,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 18:59:43,710 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 18:59:43,711 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 18:59:43,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 18:59:43,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 18:59:43,712 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 18:59:43,713 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 18:59:43,714 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 18:59:43,715 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 18:59:43,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 18:59:43,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 18:59:43,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 18:59:43,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 18:59:43,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 18:59:43,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 18:59:43,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 18:59:43,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 18:59:43,731 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 18:59:43,731 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 18:59:43,732 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 18:59:43,733 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 18:59:43,734 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 18:59:43,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 18:59:43,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 18:59:43,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 18:59:43,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 18:59:43,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 18:59:43,735 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 18:59:43,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 18:59:43,737 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-NoLbe.epf [2022-12-11 18:59:43,766 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 18:59:43,766 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 18:59:43,768 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 18:59:43,768 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 18:59:43,769 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 18:59:43,769 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 18:59:43,769 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 18:59:43,769 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 18:59:43,770 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 18:59:43,770 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 18:59:43,770 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 18:59:43,770 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 18:59:43,771 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 18:59:43,771 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 18:59:43,772 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 18:59:43,772 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 18:59:43,773 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 18:59:43,773 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 18:59:44,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 18:59:44,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 18:59:44,045 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 18:59:44,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 18:59:44,046 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 18:59:44,047 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2022-12-11 18:59:45,085 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 18:59:45,331 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 18:59:45,332 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i [2022-12-11 18:59:45,358 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140c8150c/183c22296fa442e5940ab8abe647ced1/FLAG849d15040 [2022-12-11 18:59:45,389 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/140c8150c/183c22296fa442e5940ab8abe647ced1 [2022-12-11 18:59:45,391 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 18:59:45,392 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 18:59:45,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 18:59:45,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 18:59:45,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 18:59:45,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,396 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@703793d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45, skipping insertion in model container [2022-12-11 18:59:45,396 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 18:59:45,444 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 18:59:45,576 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2022-12-11 18:59:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,698 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,708 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,712 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,713 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,715 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,716 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 18:59:45,724 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 18:59:45,731 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix017_power.opt_rmo.opt.i[958,971] [2022-12-11 18:59:45,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,746 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,747 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,753 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,754 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,757 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,758 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,759 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,760 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,761 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,763 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,764 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 18:59:45,766 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 18:59:45,767 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 18:59:45,791 INFO L208 MainTranslator]: Completed translation [2022-12-11 18:59:45,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45 WrapperNode [2022-12-11 18:59:45,792 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 18:59:45,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 18:59:45,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 18:59:45,793 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 18:59:45,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,808 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,826 INFO L138 Inliner]: procedures = 177, calls = 69, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-12-11 18:59:45,826 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 18:59:45,827 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 18:59:45,827 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 18:59:45,827 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 18:59:45,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,844 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,845 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,846 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,849 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 18:59:45,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 18:59:45,849 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 18:59:45,849 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 18:59:45,850 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (1/1) ... [2022-12-11 18:59:45,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 18:59:45,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 18:59:45,879 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) [2022-12-11 18:59:45,883 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 [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 18:59:45,908 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-11 18:59:45,908 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-11 18:59:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-11 18:59:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-11 18:59:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 18:59:45,909 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 18:59:45,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 18:59:45,910 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 18:59:46,050 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 18:59:46,053 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 18:59:46,387 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 18:59:46,464 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 18:59:46,464 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 18:59:46,466 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 06:59:46 BoogieIcfgContainer [2022-12-11 18:59:46,466 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 18:59:46,468 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 18:59:46,468 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 18:59:46,470 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 18:59:46,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 06:59:45" (1/3) ... [2022-12-11 18:59:46,471 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6594acb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 06:59:46, skipping insertion in model container [2022-12-11 18:59:46,471 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 06:59:45" (2/3) ... [2022-12-11 18:59:46,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6594acb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 06:59:46, skipping insertion in model container [2022-12-11 18:59:46,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 06:59:46" (3/3) ... [2022-12-11 18:59:46,473 INFO L112 eAbstractionObserver]: Analyzing ICFG mix017_power.opt_rmo.opt.i [2022-12-11 18:59:46,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 18:59:46,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 18:59:46,487 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 18:59:46,527 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 18:59:46,557 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2022-12-11 18:59:46,610 INFO L130 PetriNetUnfolder]: 2/126 cut-off events. [2022-12-11 18:59:46,610 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 18:59:46,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 86. Up to 2 conditions per place. [2022-12-11 18:59:46,615 INFO L82 GeneralOperation]: Start removeDead. Operand has 141 places, 130 transitions, 280 flow [2022-12-11 18:59:46,621 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 137 places, 126 transitions, 264 flow [2022-12-11 18:59:46,632 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 18:59:46,637 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@15d2f62c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 18:59:46,637 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-12-11 18:59:46,660 INFO L130 PetriNetUnfolder]: 0/75 cut-off events. [2022-12-11 18:59:46,661 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 18:59:46,661 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:46,662 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:46,663 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:46,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:46,666 INFO L85 PathProgramCache]: Analyzing trace with hash 726232535, now seen corresponding path program 1 times [2022-12-11 18:59:46,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:46,673 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507664522] [2022-12-11 18:59:46,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:46,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:47,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:47,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:47,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507664522] [2022-12-11 18:59:47,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507664522] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:47,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:47,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-11 18:59:47,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831589675] [2022-12-11 18:59:47,168 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:47,174 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 18:59:47,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:47,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 18:59:47,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 18:59:47,192 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 130 [2022-12-11 18:59:47,194 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 126 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2022-12-11 18:59:47,194 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:47,194 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 130 [2022-12-11 18:59:47,195 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:47,259 INFO L130 PetriNetUnfolder]: 37/237 cut-off events. [2022-12-11 18:59:47,259 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-11 18:59:47,261 INFO L83 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 237 events. 37/237 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 713 event pairs, 7 based on Foata normal form. 14/236 useless extension candidates. Maximal degree in co-relation 278. Up to 51 conditions per place. [2022-12-11 18:59:47,262 INFO L137 encePairwiseOnDemand]: 125/130 looper letters, 12 selfloop transitions, 2 changer transitions 0/126 dead transitions. [2022-12-11 18:59:47,262 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 126 transitions, 295 flow [2022-12-11 18:59:47,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 18:59:47,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 18:59:47,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 367 transitions. [2022-12-11 18:59:47,271 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.941025641025641 [2022-12-11 18:59:47,272 INFO L175 Difference]: Start difference. First operand has 137 places, 126 transitions, 264 flow. Second operand 3 states and 367 transitions. [2022-12-11 18:59:47,273 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 126 transitions, 295 flow [2022-12-11 18:59:47,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 126 transitions, 290 flow, removed 0 selfloop flow, removed 4 redundant places. [2022-12-11 18:59:47,277 INFO L231 Difference]: Finished difference. Result has 133 places, 122 transitions, 256 flow [2022-12-11 18:59:47,278 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=256, PETRI_PLACES=133, PETRI_TRANSITIONS=122} [2022-12-11 18:59:47,281 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, -4 predicate places. [2022-12-11 18:59:47,281 INFO L495 AbstractCegarLoop]: Abstraction has has 133 places, 122 transitions, 256 flow [2022-12-11 18:59:47,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 117.66666666666667) internal successors, (353), 3 states have internal predecessors, (353), 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) [2022-12-11 18:59:47,281 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:47,281 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:47,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 18:59:47,282 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:47,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:47,282 INFO L85 PathProgramCache]: Analyzing trace with hash -962205853, now seen corresponding path program 1 times [2022-12-11 18:59:47,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:47,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337982895] [2022-12-11 18:59:47,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:47,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:47,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:47,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:47,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337982895] [2022-12-11 18:59:47,588 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337982895] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:47,588 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:47,588 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 18:59:47,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074050027] [2022-12-11 18:59:47,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:47,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 18:59:47,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:47,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 18:59:47,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 18:59:47,593 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 130 [2022-12-11 18:59:47,595 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 133 places, 122 transitions, 256 flow. Second operand has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 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) [2022-12-11 18:59:47,595 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:47,595 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 130 [2022-12-11 18:59:47,595 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:47,970 INFO L130 PetriNetUnfolder]: 330/1066 cut-off events. [2022-12-11 18:59:47,970 INFO L131 PetriNetUnfolder]: For 68/68 co-relation queries the response was YES. [2022-12-11 18:59:47,976 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 1066 events. 330/1066 cut-off events. For 68/68 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 6865 event pairs, 59 based on Foata normal form. 0/1035 useless extension candidates. Maximal degree in co-relation 1642. Up to 257 conditions per place. [2022-12-11 18:59:47,979 INFO L137 encePairwiseOnDemand]: 124/130 looper letters, 19 selfloop transitions, 2 changer transitions 45/159 dead transitions. [2022-12-11 18:59:47,980 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 159 transitions, 454 flow [2022-12-11 18:59:47,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 18:59:47,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 18:59:47,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1029 transitions. [2022-12-11 18:59:47,986 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8794871794871795 [2022-12-11 18:59:47,986 INFO L175 Difference]: Start difference. First operand has 133 places, 122 transitions, 256 flow. Second operand 9 states and 1029 transitions. [2022-12-11 18:59:47,986 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 159 transitions, 454 flow [2022-12-11 18:59:47,988 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 159 transitions, 436 flow, removed 0 selfloop flow, removed 2 redundant places. [2022-12-11 18:59:47,991 INFO L231 Difference]: Finished difference. Result has 146 places, 110 transitions, 248 flow [2022-12-11 18:59:47,991 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=252, PETRI_DIFFERENCE_MINUEND_PLACES=131, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=122, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=120, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=248, PETRI_PLACES=146, PETRI_TRANSITIONS=110} [2022-12-11 18:59:47,992 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 9 predicate places. [2022-12-11 18:59:47,992 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 110 transitions, 248 flow [2022-12-11 18:59:47,992 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 110.0) internal successors, (660), 6 states have internal predecessors, (660), 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) [2022-12-11 18:59:47,992 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:47,993 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:47,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 18:59:47,993 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:47,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:47,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1958592990, now seen corresponding path program 1 times [2022-12-11 18:59:47,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:47,993 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425538747] [2022-12-11 18:59:47,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:47,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:48,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:48,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:48,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425538747] [2022-12-11 18:59:48,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425538747] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:48,238 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:48,238 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-11 18:59:48,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884644279] [2022-12-11 18:59:48,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:48,238 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-11 18:59:48,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:48,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-11 18:59:48,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-12-11 18:59:48,240 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 130 [2022-12-11 18:59:48,240 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 110 transitions, 248 flow. Second operand has 6 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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) [2022-12-11 18:59:48,240 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:48,240 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 130 [2022-12-11 18:59:48,240 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:48,737 INFO L130 PetriNetUnfolder]: 2005/3725 cut-off events. [2022-12-11 18:59:48,737 INFO L131 PetriNetUnfolder]: For 181/181 co-relation queries the response was YES. [2022-12-11 18:59:48,744 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7115 conditions, 3725 events. 2005/3725 cut-off events. For 181/181 co-relation queries the response was YES. Maximal size of possible extension queue 314. Compared 27527 event pairs, 58 based on Foata normal form. 0/3649 useless extension candidates. Maximal degree in co-relation 7053. Up to 1189 conditions per place. [2022-12-11 18:59:48,752 INFO L137 encePairwiseOnDemand]: 119/130 looper letters, 32 selfloop transitions, 7 changer transitions 50/178 dead transitions. [2022-12-11 18:59:48,752 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 178 transitions, 568 flow [2022-12-11 18:59:48,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 18:59:48,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 18:59:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1141 transitions. [2022-12-11 18:59:48,754 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8776923076923077 [2022-12-11 18:59:48,754 INFO L175 Difference]: Start difference. First operand has 146 places, 110 transitions, 248 flow. Second operand 10 states and 1141 transitions. [2022-12-11 18:59:48,754 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 178 transitions, 568 flow [2022-12-11 18:59:48,762 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 129 places, 178 transitions, 552 flow, removed 6 selfloop flow, removed 8 redundant places. [2022-12-11 18:59:48,764 INFO L231 Difference]: Finished difference. Result has 135 places, 113 transitions, 298 flow [2022-12-11 18:59:48,764 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=232, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=298, PETRI_PLACES=135, PETRI_TRANSITIONS=113} [2022-12-11 18:59:48,764 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, -2 predicate places. [2022-12-11 18:59:48,764 INFO L495 AbstractCegarLoop]: Abstraction has has 135 places, 113 transitions, 298 flow [2022-12-11 18:59:48,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 107.0) internal successors, (642), 6 states have internal predecessors, (642), 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) [2022-12-11 18:59:48,765 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:48,765 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:48,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-11 18:59:48,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:48,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:48,766 INFO L85 PathProgramCache]: Analyzing trace with hash -1735005888, now seen corresponding path program 1 times [2022-12-11 18:59:48,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:48,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847606112] [2022-12-11 18:59:48,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:48,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:48,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:48,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:48,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:48,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [847606112] [2022-12-11 18:59:48,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [847606112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:48,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:48,945 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 18:59:48,945 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768851218] [2022-12-11 18:59:48,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:48,946 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 18:59:48,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:48,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 18:59:48,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2022-12-11 18:59:48,947 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 130 [2022-12-11 18:59:48,948 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 135 places, 113 transitions, 298 flow. Second operand has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 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) [2022-12-11 18:59:48,948 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:48,948 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 130 [2022-12-11 18:59:48,948 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:49,293 INFO L130 PetriNetUnfolder]: 1013/2149 cut-off events. [2022-12-11 18:59:49,293 INFO L131 PetriNetUnfolder]: For 2313/2313 co-relation queries the response was YES. [2022-12-11 18:59:49,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6114 conditions, 2149 events. 1013/2149 cut-off events. For 2313/2313 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 15116 event pairs, 19 based on Foata normal form. 60/2195 useless extension candidates. Maximal degree in co-relation 6051. Up to 691 conditions per place. [2022-12-11 18:59:49,306 INFO L137 encePairwiseOnDemand]: 120/130 looper letters, 38 selfloop transitions, 11 changer transitions 39/177 dead transitions. [2022-12-11 18:59:49,306 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 177 transitions, 775 flow [2022-12-11 18:59:49,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-11 18:59:49,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-11 18:59:49,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1140 transitions. [2022-12-11 18:59:49,308 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8769230769230769 [2022-12-11 18:59:49,308 INFO L175 Difference]: Start difference. First operand has 135 places, 113 transitions, 298 flow. Second operand 10 states and 1140 transitions. [2022-12-11 18:59:49,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 177 transitions, 775 flow [2022-12-11 18:59:49,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 133 places, 177 transitions, 750 flow, removed 7 selfloop flow, removed 5 redundant places. [2022-12-11 18:59:49,314 INFO L231 Difference]: Finished difference. Result has 139 places, 117 transitions, 386 flow [2022-12-11 18:59:49,314 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=283, PETRI_DIFFERENCE_MINUEND_PLACES=124, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=102, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=386, PETRI_PLACES=139, PETRI_TRANSITIONS=117} [2022-12-11 18:59:49,315 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 2 predicate places. [2022-12-11 18:59:49,315 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 117 transitions, 386 flow [2022-12-11 18:59:49,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 107.0) internal successors, (749), 7 states have internal predecessors, (749), 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) [2022-12-11 18:59:49,316 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:49,316 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:49,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-11 18:59:49,316 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:49,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:49,316 INFO L85 PathProgramCache]: Analyzing trace with hash 1194578360, now seen corresponding path program 1 times [2022-12-11 18:59:49,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:49,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93765999] [2022-12-11 18:59:49,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:49,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:49,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:49,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:49,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93765999] [2022-12-11 18:59:49,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93765999] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:49,481 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:49,481 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 18:59:49,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540823512] [2022-12-11 18:59:49,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:49,482 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 18:59:49,482 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:49,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 18:59:49,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 18:59:49,483 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 130 [2022-12-11 18:59:49,484 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 117 transitions, 386 flow. Second operand has 7 states, 7 states have (on average 102.14285714285714) internal successors, (715), 7 states have internal predecessors, (715), 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) [2022-12-11 18:59:49,484 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:49,484 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 130 [2022-12-11 18:59:49,484 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:50,046 INFO L130 PetriNetUnfolder]: 1451/3811 cut-off events. [2022-12-11 18:59:50,046 INFO L131 PetriNetUnfolder]: For 6575/7284 co-relation queries the response was YES. [2022-12-11 18:59:50,058 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10306 conditions, 3811 events. 1451/3811 cut-off events. For 6575/7284 co-relation queries the response was YES. Maximal size of possible extension queue 212. Compared 31865 event pairs, 498 based on Foata normal form. 94/3781 useless extension candidates. Maximal degree in co-relation 10234. Up to 1039 conditions per place. [2022-12-11 18:59:50,071 INFO L137 encePairwiseOnDemand]: 119/130 looper letters, 72 selfloop transitions, 21 changer transitions 3/187 dead transitions. [2022-12-11 18:59:50,071 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 145 places, 187 transitions, 729 flow [2022-12-11 18:59:50,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 18:59:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 18:59:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1187 transitions. [2022-12-11 18:59:50,073 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.83006993006993 [2022-12-11 18:59:50,073 INFO L175 Difference]: Start difference. First operand has 139 places, 117 transitions, 386 flow. Second operand 11 states and 1187 transitions. [2022-12-11 18:59:50,073 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 145 places, 187 transitions, 729 flow [2022-12-11 18:59:50,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 136 places, 187 transitions, 660 flow, removed 25 selfloop flow, removed 9 redundant places. [2022-12-11 18:59:50,095 INFO L231 Difference]: Finished difference. Result has 144 places, 135 transitions, 474 flow [2022-12-11 18:59:50,095 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=317, PETRI_DIFFERENCE_MINUEND_PLACES=126, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=117, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=474, PETRI_PLACES=144, PETRI_TRANSITIONS=135} [2022-12-11 18:59:50,097 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 7 predicate places. [2022-12-11 18:59:50,097 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 135 transitions, 474 flow [2022-12-11 18:59:50,098 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.14285714285714) internal successors, (715), 7 states have internal predecessors, (715), 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) [2022-12-11 18:59:50,098 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:50,098 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:50,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-11 18:59:50,098 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:50,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:50,099 INFO L85 PathProgramCache]: Analyzing trace with hash 168150146, now seen corresponding path program 2 times [2022-12-11 18:59:50,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:50,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562313110] [2022-12-11 18:59:50,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:50,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:50,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:50,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:50,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562313110] [2022-12-11 18:59:50,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562313110] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:50,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:50,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 18:59:50,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482155888] [2022-12-11 18:59:50,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:50,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 18:59:50,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:50,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 18:59:50,259 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-11 18:59:50,260 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 130 [2022-12-11 18:59:50,261 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 135 transitions, 474 flow. Second operand has 8 states, 8 states have (on average 106.875) internal successors, (855), 8 states have internal predecessors, (855), 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) [2022-12-11 18:59:50,261 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:50,261 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 130 [2022-12-11 18:59:50,261 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:50,680 INFO L130 PetriNetUnfolder]: 1259/3004 cut-off events. [2022-12-11 18:59:50,680 INFO L131 PetriNetUnfolder]: For 5395/5708 co-relation queries the response was YES. [2022-12-11 18:59:50,690 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9240 conditions, 3004 events. 1259/3004 cut-off events. For 5395/5708 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 23532 event pairs, 94 based on Foata normal form. 144/3045 useless extension candidates. Maximal degree in co-relation 9170. Up to 764 conditions per place. [2022-12-11 18:59:50,699 INFO L137 encePairwiseOnDemand]: 120/130 looper letters, 63 selfloop transitions, 27 changer transitions 27/212 dead transitions. [2022-12-11 18:59:50,699 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 154 places, 212 transitions, 1159 flow [2022-12-11 18:59:50,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-11 18:59:50,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2022-12-11 18:59:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1254 transitions. [2022-12-11 18:59:50,701 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8769230769230769 [2022-12-11 18:59:50,701 INFO L175 Difference]: Start difference. First operand has 144 places, 135 transitions, 474 flow. Second operand 11 states and 1254 transitions. [2022-12-11 18:59:50,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 154 places, 212 transitions, 1159 flow [2022-12-11 18:59:50,707 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 212 transitions, 1152 flow, removed 1 selfloop flow, removed 2 redundant places. [2022-12-11 18:59:50,709 INFO L231 Difference]: Finished difference. Result has 155 places, 145 transitions, 680 flow [2022-12-11 18:59:50,709 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=467, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=135, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=118, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=680, PETRI_PLACES=155, PETRI_TRANSITIONS=145} [2022-12-11 18:59:50,710 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 18 predicate places. [2022-12-11 18:59:50,710 INFO L495 AbstractCegarLoop]: Abstraction has has 155 places, 145 transitions, 680 flow [2022-12-11 18:59:50,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 106.875) internal successors, (855), 8 states have internal predecessors, (855), 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) [2022-12-11 18:59:50,710 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:50,710 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:50,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-11 18:59:50,711 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:50,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:50,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1159459200, now seen corresponding path program 1 times [2022-12-11 18:59:50,711 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:50,711 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49286349] [2022-12-11 18:59:50,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:50,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:50,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:50,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:50,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49286349] [2022-12-11 18:59:50,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49286349] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:50,888 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:50,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-12-11 18:59:50,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036314509] [2022-12-11 18:59:50,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:50,889 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-11 18:59:50,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:50,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-11 18:59:50,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-12-11 18:59:50,890 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 105 out of 130 [2022-12-11 18:59:50,891 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 155 places, 145 transitions, 680 flow. Second operand has 9 states, 9 states have (on average 106.88888888888889) internal successors, (962), 9 states have internal predecessors, (962), 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) [2022-12-11 18:59:50,891 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:50,891 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 105 of 130 [2022-12-11 18:59:50,891 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:51,359 INFO L130 PetriNetUnfolder]: 1163/2731 cut-off events. [2022-12-11 18:59:51,359 INFO L131 PetriNetUnfolder]: For 7089/7380 co-relation queries the response was YES. [2022-12-11 18:59:51,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 9522 conditions, 2731 events. 1163/2731 cut-off events. For 7089/7380 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 21516 event pairs, 84 based on Foata normal form. 47/2677 useless extension candidates. Maximal degree in co-relation 9499. Up to 711 conditions per place. [2022-12-11 18:59:51,374 INFO L137 encePairwiseOnDemand]: 120/130 looper letters, 50 selfloop transitions, 33 changer transitions 29/204 dead transitions. [2022-12-11 18:59:51,374 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 204 transitions, 1228 flow [2022-12-11 18:59:51,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-12-11 18:59:51,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2022-12-11 18:59:51,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 1565 transitions. [2022-12-11 18:59:51,377 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8598901098901099 [2022-12-11 18:59:51,377 INFO L175 Difference]: Start difference. First operand has 155 places, 145 transitions, 680 flow. Second operand 14 states and 1565 transitions. [2022-12-11 18:59:51,377 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 204 transitions, 1228 flow [2022-12-11 18:59:51,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 204 transitions, 954 flow, removed 122 selfloop flow, removed 10 redundant places. [2022-12-11 18:59:51,414 INFO L231 Difference]: Finished difference. Result has 161 places, 141 transitions, 553 flow [2022-12-11 18:59:51,414 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=472, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=14, PETRI_FLOW=553, PETRI_PLACES=161, PETRI_TRANSITIONS=141} [2022-12-11 18:59:51,415 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 24 predicate places. [2022-12-11 18:59:51,415 INFO L495 AbstractCegarLoop]: Abstraction has has 161 places, 141 transitions, 553 flow [2022-12-11 18:59:51,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 106.88888888888889) internal successors, (962), 9 states have internal predecessors, (962), 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) [2022-12-11 18:59:51,416 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:51,416 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:51,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-11 18:59:51,416 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:51,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:51,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1232390952, now seen corresponding path program 1 times [2022-12-11 18:59:51,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:51,416 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683850857] [2022-12-11 18:59:51,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:51,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:51,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:51,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:51,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:51,619 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683850857] [2022-12-11 18:59:51,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683850857] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:51,619 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:51,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 18:59:51,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1017692109] [2022-12-11 18:59:51,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:51,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 18:59:51,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:51,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 18:59:51,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 18:59:51,621 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 130 [2022-12-11 18:59:51,622 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 161 places, 141 transitions, 553 flow. Second operand has 7 states, 7 states have (on average 102.71428571428571) internal successors, (719), 7 states have internal predecessors, (719), 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) [2022-12-11 18:59:51,622 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:51,622 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 130 [2022-12-11 18:59:51,622 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:51,955 INFO L130 PetriNetUnfolder]: 652/2182 cut-off events. [2022-12-11 18:59:51,955 INFO L131 PetriNetUnfolder]: For 3621/3741 co-relation queries the response was YES. [2022-12-11 18:59:51,966 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5983 conditions, 2182 events. 652/2182 cut-off events. For 3621/3741 co-relation queries the response was YES. Maximal size of possible extension queue 215. Compared 19362 event pairs, 54 based on Foata normal form. 1/2110 useless extension candidates. Maximal degree in co-relation 5911. Up to 309 conditions per place. [2022-12-11 18:59:51,972 INFO L137 encePairwiseOnDemand]: 118/130 looper letters, 32 selfloop transitions, 10 changer transitions 5/158 dead transitions. [2022-12-11 18:59:51,973 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 163 places, 158 transitions, 733 flow [2022-12-11 18:59:51,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 18:59:51,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 18:59:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 835 transitions. [2022-12-11 18:59:51,974 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8028846153846154 [2022-12-11 18:59:51,975 INFO L175 Difference]: Start difference. First operand has 161 places, 141 transitions, 553 flow. Second operand 8 states and 835 transitions. [2022-12-11 18:59:51,975 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 163 places, 158 transitions, 733 flow [2022-12-11 18:59:51,999 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 158 transitions, 671 flow, removed 10 selfloop flow, removed 11 redundant places. [2022-12-11 18:59:52,000 INFO L231 Difference]: Finished difference. Result has 157 places, 147 transitions, 592 flow [2022-12-11 18:59:52,001 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=495, PETRI_DIFFERENCE_MINUEND_PLACES=145, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=592, PETRI_PLACES=157, PETRI_TRANSITIONS=147} [2022-12-11 18:59:52,001 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 20 predicate places. [2022-12-11 18:59:52,001 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 147 transitions, 592 flow [2022-12-11 18:59:52,002 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.71428571428571) internal successors, (719), 7 states have internal predecessors, (719), 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) [2022-12-11 18:59:52,002 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:52,002 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:52,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-11 18:59:52,002 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:52,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:52,002 INFO L85 PathProgramCache]: Analyzing trace with hash 2064249110, now seen corresponding path program 2 times [2022-12-11 18:59:52,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:52,003 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152251419] [2022-12-11 18:59:52,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:52,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:52,195 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:52,196 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:52,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152251419] [2022-12-11 18:59:52,196 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152251419] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:52,196 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:52,196 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-12-11 18:59:52,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959801485] [2022-12-11 18:59:52,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:52,196 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-11 18:59:52,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:52,197 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-11 18:59:52,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2022-12-11 18:59:52,199 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 130 [2022-12-11 18:59:52,199 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 147 transitions, 592 flow. Second operand has 8 states, 8 states have (on average 102.25) internal successors, (818), 8 states have internal predecessors, (818), 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) [2022-12-11 18:59:52,199 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:52,200 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 130 [2022-12-11 18:59:52,200 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:52,573 INFO L130 PetriNetUnfolder]: 970/3320 cut-off events. [2022-12-11 18:59:52,574 INFO L131 PetriNetUnfolder]: For 4543/4547 co-relation queries the response was YES. [2022-12-11 18:59:52,588 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8655 conditions, 3320 events. 970/3320 cut-off events. For 4543/4547 co-relation queries the response was YES. Maximal size of possible extension queue 292. Compared 32952 event pairs, 62 based on Foata normal form. 2/3230 useless extension candidates. Maximal degree in co-relation 8631. Up to 347 conditions per place. [2022-12-11 18:59:52,595 INFO L137 encePairwiseOnDemand]: 122/130 looper letters, 51 selfloop transitions, 5 changer transitions 5/172 dead transitions. [2022-12-11 18:59:52,595 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 172 transitions, 884 flow [2022-12-11 18:59:52,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 18:59:52,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 18:59:52,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 840 transitions. [2022-12-11 18:59:52,597 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8076923076923077 [2022-12-11 18:59:52,597 INFO L175 Difference]: Start difference. First operand has 157 places, 147 transitions, 592 flow. Second operand 8 states and 840 transitions. [2022-12-11 18:59:52,597 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 172 transitions, 884 flow [2022-12-11 18:59:52,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 153 places, 172 transitions, 769 flow, removed 55 selfloop flow, removed 8 redundant places. [2022-12-11 18:59:52,635 INFO L231 Difference]: Finished difference. Result has 157 places, 147 transitions, 561 flow [2022-12-11 18:59:52,636 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=541, PETRI_DIFFERENCE_MINUEND_PLACES=146, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=142, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=561, PETRI_PLACES=157, PETRI_TRANSITIONS=147} [2022-12-11 18:59:52,636 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 20 predicate places. [2022-12-11 18:59:52,636 INFO L495 AbstractCegarLoop]: Abstraction has has 157 places, 147 transitions, 561 flow [2022-12-11 18:59:52,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 102.25) internal successors, (818), 8 states have internal predecessors, (818), 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) [2022-12-11 18:59:52,637 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:52,637 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:52,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-11 18:59:52,637 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:52,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:52,637 INFO L85 PathProgramCache]: Analyzing trace with hash -228490806, now seen corresponding path program 3 times [2022-12-11 18:59:52,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:52,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557156182] [2022-12-11 18:59:52,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:52,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:52,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:52,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:52,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [557156182] [2022-12-11 18:59:52,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [557156182] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:52,805 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:52,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 18:59:52,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117071011] [2022-12-11 18:59:52,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:52,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 18:59:52,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:52,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 18:59:52,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 18:59:52,806 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 99 out of 130 [2022-12-11 18:59:52,807 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 147 transitions, 561 flow. Second operand has 7 states, 7 states have (on average 102.71428571428571) internal successors, (719), 7 states have internal predecessors, (719), 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) [2022-12-11 18:59:52,807 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:52,807 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 99 of 130 [2022-12-11 18:59:52,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:53,288 INFO L130 PetriNetUnfolder]: 1364/4737 cut-off events. [2022-12-11 18:59:53,289 INFO L131 PetriNetUnfolder]: For 3740/3756 co-relation queries the response was YES. [2022-12-11 18:59:53,330 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11196 conditions, 4737 events. 1364/4737 cut-off events. For 3740/3756 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 51231 event pairs, 63 based on Foata normal form. 2/4619 useless extension candidates. Maximal degree in co-relation 11174. Up to 536 conditions per place. [2022-12-11 18:59:53,337 INFO L137 encePairwiseOnDemand]: 118/130 looper letters, 45 selfloop transitions, 10 changer transitions 13/179 dead transitions. [2022-12-11 18:59:53,337 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 161 places, 179 transitions, 870 flow [2022-12-11 18:59:53,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-11 18:59:53,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-11 18:59:53,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 842 transitions. [2022-12-11 18:59:53,339 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8096153846153846 [2022-12-11 18:59:53,339 INFO L175 Difference]: Start difference. First operand has 157 places, 147 transitions, 561 flow. Second operand 8 states and 842 transitions. [2022-12-11 18:59:53,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 161 places, 179 transitions, 870 flow [2022-12-11 18:59:53,414 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 155 places, 179 transitions, 844 flow, removed 5 selfloop flow, removed 6 redundant places. [2022-12-11 18:59:53,416 INFO L231 Difference]: Finished difference. Result has 160 places, 151 transitions, 627 flow [2022-12-11 18:59:53,417 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=544, PETRI_DIFFERENCE_MINUEND_PLACES=148, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=147, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=627, PETRI_PLACES=160, PETRI_TRANSITIONS=151} [2022-12-11 18:59:53,417 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 23 predicate places. [2022-12-11 18:59:53,417 INFO L495 AbstractCegarLoop]: Abstraction has has 160 places, 151 transitions, 627 flow [2022-12-11 18:59:53,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 102.71428571428571) internal successors, (719), 7 states have internal predecessors, (719), 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) [2022-12-11 18:59:53,418 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:53,418 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:53,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-11 18:59:53,418 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:53,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:53,418 INFO L85 PathProgramCache]: Analyzing trace with hash -1977541034, now seen corresponding path program 4 times [2022-12-11 18:59:53,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:53,419 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337574320] [2022-12-11 18:59:53,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:53,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:53,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 18:59:54,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 18:59:54,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 18:59:54,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337574320] [2022-12-11 18:59:54,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337574320] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 18:59:54,065 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 18:59:54,066 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2022-12-11 18:59:54,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970557299] [2022-12-11 18:59:54,066 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 18:59:54,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-12-11 18:59:54,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 18:59:54,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-12-11 18:59:54,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2022-12-11 18:59:54,068 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 130 [2022-12-11 18:59:54,069 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 160 places, 151 transitions, 627 flow. Second operand has 13 states, 13 states have (on average 101.92307692307692) internal successors, (1325), 13 states have internal predecessors, (1325), 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) [2022-12-11 18:59:54,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 18:59:54,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 130 [2022-12-11 18:59:54,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 18:59:54,615 INFO L130 PetriNetUnfolder]: 1252/4450 cut-off events. [2022-12-11 18:59:54,615 INFO L131 PetriNetUnfolder]: For 4034/4171 co-relation queries the response was YES. [2022-12-11 18:59:54,639 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10852 conditions, 4450 events. 1252/4450 cut-off events. For 4034/4171 co-relation queries the response was YES. Maximal size of possible extension queue 479. Compared 48779 event pairs, 19 based on Foata normal form. 4/4289 useless extension candidates. Maximal degree in co-relation 10828. Up to 592 conditions per place. [2022-12-11 18:59:54,645 INFO L137 encePairwiseOnDemand]: 118/130 looper letters, 28 selfloop transitions, 10 changer transitions 6/167 dead transitions. [2022-12-11 18:59:54,646 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 167 transitions, 795 flow [2022-12-11 18:59:54,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-12-11 18:59:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2022-12-11 18:59:54,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 1339 transitions. [2022-12-11 18:59:54,648 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7923076923076923 [2022-12-11 18:59:54,648 INFO L175 Difference]: Start difference. First operand has 160 places, 151 transitions, 627 flow. Second operand 13 states and 1339 transitions. [2022-12-11 18:59:54,648 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 167 transitions, 795 flow [2022-12-11 18:59:54,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 167 transitions, 762 flow, removed 14 selfloop flow, removed 5 redundant places. [2022-12-11 18:59:54,749 INFO L231 Difference]: Finished difference. Result has 169 places, 153 transitions, 653 flow [2022-12-11 18:59:54,749 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=130, PETRI_DIFFERENCE_MINUEND_FLOW=606, PETRI_DIFFERENCE_MINUEND_PLACES=152, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=151, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=141, PETRI_DIFFERENCE_SUBTRAHEND_STATES=13, PETRI_FLOW=653, PETRI_PLACES=169, PETRI_TRANSITIONS=153} [2022-12-11 18:59:54,750 INFO L295 CegarLoopForPetriNet]: 137 programPoint places, 32 predicate places. [2022-12-11 18:59:54,750 INFO L495 AbstractCegarLoop]: Abstraction has has 169 places, 153 transitions, 653 flow [2022-12-11 18:59:54,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 101.92307692307692) internal successors, (1325), 13 states have internal predecessors, (1325), 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) [2022-12-11 18:59:54,751 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 18:59:54,751 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 18:59:54,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-12-11 18:59:54,751 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-12-11 18:59:54,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 18:59:54,751 INFO L85 PathProgramCache]: Analyzing trace with hash -1509657384, now seen corresponding path program 5 times [2022-12-11 18:59:54,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 18:59:54,752 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100073918] [2022-12-11 18:59:54,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 18:59:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 18:59:54,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 18:59:54,786 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 18:59:54,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 18:59:54,855 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 18:59:54,856 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 18:59:54,856 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 7 remaining) [2022-12-11 18:59:54,858 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2022-12-11 18:59:54,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-12-11 18:59:54,859 INFO L445 BasicCegarLoop]: Path program histogram: [5, 2, 1, 1, 1, 1, 1] [2022-12-11 18:59:54,863 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 18:59:54,863 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 18:59:54,958 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 06:59:54 BasicIcfg [2022-12-11 18:59:54,958 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 18:59:54,958 INFO L158 Benchmark]: Toolchain (without parser) took 9566.23ms. Allocated memory was 213.9MB in the beginning and 499.1MB in the end (delta: 285.2MB). Free memory was 188.5MB in the beginning and 411.5MB in the end (delta: -223.0MB). Peak memory consumption was 63.3MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,959 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 213.9MB. Free memory is still 190.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 18:59:54,959 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.32ms. Allocated memory is still 213.9MB. Free memory was 188.2MB in the beginning and 160.8MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,963 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.31ms. Allocated memory is still 213.9MB. Free memory was 160.8MB in the beginning and 158.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,963 INFO L158 Benchmark]: Boogie Preprocessor took 22.12ms. Allocated memory is still 213.9MB. Free memory was 158.4MB in the beginning and 156.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,964 INFO L158 Benchmark]: RCFGBuilder took 616.96ms. Allocated memory is still 213.9MB. Free memory was 156.3MB in the beginning and 169.2MB in the end (delta: -12.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,965 INFO L158 Benchmark]: TraceAbstraction took 8490.00ms. Allocated memory was 213.9MB in the beginning and 499.1MB in the end (delta: 285.2MB). Free memory was 168.2MB in the beginning and 411.5MB in the end (delta: -243.3MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. [2022-12-11 18:59:54,967 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 213.9MB. Free memory is still 190.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 399.32ms. Allocated memory is still 213.9MB. Free memory was 188.2MB in the beginning and 160.8MB in the end (delta: 27.4MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 33.31ms. Allocated memory is still 213.9MB. Free memory was 160.8MB in the beginning and 158.4MB in the end (delta: 2.4MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.12ms. Allocated memory is still 213.9MB. Free memory was 158.4MB in the beginning and 156.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 616.96ms. Allocated memory is still 213.9MB. Free memory was 156.3MB in the beginning and 169.2MB in the end (delta: -12.9MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 8490.00ms. Allocated memory was 213.9MB in the beginning and 499.1MB in the end (delta: 285.2MB). Free memory was 168.2MB in the beginning and 411.5MB in the end (delta: -243.3MB). Peak memory consumption was 43.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0] [L714] 0 int __unbuffered_p1_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0] [L716] 0 int __unbuffered_p2_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0] [L718] 0 int __unbuffered_p3_EAX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0] [L720] 0 int __unbuffered_p3_EBX = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0] [L722] 0 int a = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0] [L723] 0 _Bool main$tmp_guard0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0] [L724] 0 _Bool main$tmp_guard1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0] [L726] 0 int x = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0] [L728] 0 int y = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0] [L729] 0 _Bool y$flush_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0] [L730] 0 int y$mem_tmp; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0] [L731] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L732] 0 _Bool y$r_buff0_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0] [L733] 0 _Bool y$r_buff0_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0] [L734] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L735] 0 _Bool y$r_buff0_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0] [L736] 0 _Bool y$r_buff1_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0] [L737] 0 _Bool y$r_buff1_thd1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0] [L738] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L739] 0 _Bool y$r_buff1_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0] [L740] 0 _Bool y$r_buff1_thd4; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0] [L741] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0] [L742] 0 int *y$read_delayed_var; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}] [L743] 0 int y$w_buff0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0] [L744] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L745] 0 int y$w_buff1; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0] [L746] 0 _Bool y$w_buff1_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L748] 0 int z = 0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L749] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L750] 0 _Bool weak$$choice2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L858] 0 pthread_t t437; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L859] FCALL, FORK 0 pthread_create(&t437, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t437, ((void *)0), P0, ((void *)0))=-3, t437={5:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L860] 0 pthread_t t438; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L861] FCALL, FORK 0 pthread_create(&t438, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t438, ((void *)0), P1, ((void *)0))=-2, t437={5:0}, t438={6:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L862] 0 pthread_t t439; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L863] FCALL, FORK 0 pthread_create(&t439, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t439, ((void *)0), P2, ((void *)0))=-1, t437={5:0}, t438={6:0}, t439={7:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L864] 0 pthread_t t440; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L865] FCALL, FORK 0 pthread_create(&t440, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, pthread_create(&t440, ((void *)0), P3, ((void *)0))=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=0] [L797] 3 y$w_buff1 = y$w_buff0 [L798] 3 y$w_buff0 = 1 [L799] 3 y$w_buff1_used = y$w_buff0_used [L800] 3 y$w_buff0_used = (_Bool)1 [L801] CALL 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L18] COND FALSE 3 !(!expression) [L801] RET 3 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used)) [L802] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L803] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L804] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L805] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L806] 3 y$r_buff1_thd4 = y$r_buff0_thd4 [L807] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=0] [L827] 4 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L769] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 y$flush_delayed = weak$$choice2 [L775] 2 y$mem_tmp = y [L776] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L777] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L778] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L779] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L780] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L782] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EAX = y [L784] 2 y = y$flush_delayed ? y$mem_tmp : y [L785] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L836] 4 y = y$w_buff0_used && y$r_buff0_thd4 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd4 ? y$w_buff1 : y) [L837] 4 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$w_buff0_used [L838] 4 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$w_buff1_used [L839] 4 y$r_buff0_thd4 = y$w_buff0_used && y$r_buff0_thd4 ? (_Bool)0 : y$r_buff0_thd4 [L840] 4 y$r_buff1_thd4 = y$w_buff0_used && y$r_buff0_thd4 || y$w_buff1_used && y$r_buff1_thd4 ? (_Bool)0 : y$r_buff1_thd4 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, z=1] [L813] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L814] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L815] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L816] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L817] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L790] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] CALL 0 assume_abort_if_not(main$tmp_guard0) [L3] COND FALSE 0 !(!cond) VAL [\old(cond)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, cond=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L869] RET 0 assume_abort_if_not(main$tmp_guard0) [L871] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L872] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L873] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L874] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L875] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L878] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [__unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t437={5:0}, t438={6:0}, t439={7:0}, t440={3:0}, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L880] CALL 0 __VERIFIER_assert(main$tmp_guard1) [L18] COND TRUE 0 !expression VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] [L18] 0 reach_error() VAL [\old(expression)=0, \old(expression)=1, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, expression=1, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=1, y$r_buff0_thd4=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$r_buff1_thd4=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 865]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 863]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 859]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 861]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 8.3s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 685 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 685 mSDsluCounter, 637 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 508 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1504 IncrementalHoareTripleChecker+Invalid, 1563 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 129 mSDtfsCounter, 1504 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 138 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 158 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=680occurred in iteration=6, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 1102 NumberOfCodeBlocks, 1102 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 990 ConstructedInterpolants, 0 QuantifiedInterpolants, 3993 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-11 18:59:54,992 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...