/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-13 06:08:05,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 06:08:05,557 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 06:08:05,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 06:08:05,587 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 06:08:05,589 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 06:08:05,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 06:08:05,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 06:08:05,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 06:08:05,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 06:08:05,601 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 06:08:05,603 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 06:08:05,603 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 06:08:05,605 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 06:08:05,606 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 06:08:05,607 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 06:08:05,607 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 06:08:05,608 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 06:08:05,609 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 06:08:05,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 06:08:05,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 06:08:05,613 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 06:08:05,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 06:08:05,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 06:08:05,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 06:08:05,617 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 06:08:05,618 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 06:08:05,618 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 06:08:05,618 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 06:08:05,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 06:08:05,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 06:08:05,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 06:08:05,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 06:08:05,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 06:08:05,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 06:08:05,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 06:08:05,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 06:08:05,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 06:08:05,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 06:08:05,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 06:08:05,629 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 06:08:05,631 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbe.epf [2022-12-13 06:08:05,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 06:08:05,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 06:08:05,657 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 06:08:05,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 06:08:05,657 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 06:08:05,658 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 06:08:05,658 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 06:08:05,658 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 06:08:05,658 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 06:08:05,658 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 06:08:05,658 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 06:08:05,659 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-13 06:08:05,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:08:05,660 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-13 06:08:05,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-13 06:08:05,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 06:08:05,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 06:08:05,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 06:08:05,932 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 06:08:05,932 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 06:08:05,933 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i [2022-12-13 06:08:06,973 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 06:08:07,226 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 06:08:07,226 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix008_tso.oepc.i [2022-12-13 06:08:07,241 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4bf2acb7/2e17d752b80440da9e0a8c3a8c91cc3c/FLAGd08b27fee [2022-12-13 06:08:07,254 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c4bf2acb7/2e17d752b80440da9e0a8c3a8c91cc3c [2022-12-13 06:08:07,256 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 06:08:07,258 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-13 06:08:07,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 06:08:07,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 06:08:07,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 06:08:07,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73284fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07, skipping insertion in model container [2022-12-13 06:08:07,264 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,268 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 06:08:07,318 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 06:08:07,428 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/mix008_tso.oepc.i[949,962] [2022-12-13 06:08:07,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,583 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,584 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,585 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,586 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,587 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,592 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,593 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,596 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,614 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,625 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,626 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,630 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,641 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,642 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,644 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,648 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:08:07,660 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 06:08:07,670 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/mix008_tso.oepc.i[949,962] [2022-12-13 06:08:07,688 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,689 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,690 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,691 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,692 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,693 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,694 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,697 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,699 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,700 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,701 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,702 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,704 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,705 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,706 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,707 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,709 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,710 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,714 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-13 06:08:07,716 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-13 06:08:07,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 06:08:07,747 INFO L208 MainTranslator]: Completed translation [2022-12-13 06:08:07,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07 WrapperNode [2022-12-13 06:08:07,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 06:08:07,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 06:08:07,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 06:08:07,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 06:08:07,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,779 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,813 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 274 [2022-12-13 06:08:07,814 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 06:08:07,814 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 06:08:07,814 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 06:08:07,814 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 06:08:07,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,847 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,867 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 06:08:07,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 06:08:07,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 06:08:07,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 06:08:07,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (1/1) ... [2022-12-13 06:08:07,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 06:08:07,904 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-13 06:08:07,918 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 06:08:07,927 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 06:08:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 06:08:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-13 06:08:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 06:08:07,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 06:08:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 06:08:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-13 06:08:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-13 06:08:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-13 06:08:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-13 06:08:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2022-12-13 06:08:07,952 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2022-12-13 06:08:07,952 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2022-12-13 06:08:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2022-12-13 06:08:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 06:08:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-13 06:08:07,953 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 06:08:07,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 06:08:07,954 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-13 06:08:08,144 INFO L236 CfgBuilder]: Building ICFG [2022-12-13 06:08:08,146 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 06:08:08,500 INFO L277 CfgBuilder]: Performing block encoding [2022-12-13 06:08:08,660 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 06:08:08,660 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 06:08:08,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:08 BoogieIcfgContainer [2022-12-13 06:08:08,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 06:08:08,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 06:08:08,665 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 06:08:08,667 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 06:08:08,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:08:07" (1/3) ... [2022-12-13 06:08:08,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710ef809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:08:08, skipping insertion in model container [2022-12-13 06:08:08,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:08:07" (2/3) ... [2022-12-13 06:08:08,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@710ef809 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:08:08, skipping insertion in model container [2022-12-13 06:08:08,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:08:08" (3/3) ... [2022-12-13 06:08:08,670 INFO L112 eAbstractionObserver]: Analyzing ICFG mix008_tso.oepc.i [2022-12-13 06:08:08,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 06:08:08,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2022-12-13 06:08:08,708 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-13 06:08:08,762 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-13 06:08:08,795 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 161 places, 150 transitions, 320 flow [2022-12-13 06:08:08,864 INFO L130 PetriNetUnfolder]: 2/146 cut-off events. [2022-12-13 06:08:08,864 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:08:08,870 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 146 events. 2/146 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 06:08:08,871 INFO L82 GeneralOperation]: Start removeDead. Operand has 161 places, 150 transitions, 320 flow [2022-12-13 06:08:08,891 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 157 places, 146 transitions, 304 flow [2022-12-13 06:08:08,892 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:08:08,919 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 146 transitions, 304 flow [2022-12-13 06:08:08,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 157 places, 146 transitions, 304 flow [2022-12-13 06:08:08,960 INFO L130 PetriNetUnfolder]: 2/146 cut-off events. [2022-12-13 06:08:08,961 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:08:08,962 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 146 events. 2/146 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 73 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. [2022-12-13 06:08:08,966 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 146 transitions, 304 flow [2022-12-13 06:08:08,966 INFO L226 LiptonReduction]: Number of co-enabled transitions 3210 [2022-12-13 06:08:19,747 INFO L241 LiptonReduction]: Total number of compositions: 119 [2022-12-13 06:08:19,757 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 06:08:19,762 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=REPEATED_LIPTON_PN, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@10f54eab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-13 06:08:19,762 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2022-12-13 06:08:19,765 INFO L130 PetriNetUnfolder]: 0/16 cut-off events. [2022-12-13 06:08:19,765 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-13 06:08:19,765 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:08:19,766 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:08:19,766 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:08:19,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:08:19,769 INFO L85 PathProgramCache]: Analyzing trace with hash -1952508058, now seen corresponding path program 1 times [2022-12-13 06:08:19,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:08:19,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146925508] [2022-12-13 06:08:19,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:08:19,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:08:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:08:20,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:08:20,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:08:20,159 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146925508] [2022-12-13 06:08:20,159 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146925508] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:08:20,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:08:20,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 06:08:20,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975470677] [2022-12-13 06:08:20,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:08:20,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:08:20,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:08:20,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:08:20,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:08:20,179 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 74 [2022-12-13 06:08:20,180 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 86 places, 74 transitions, 160 flow. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:08:20,180 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:08:20,180 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 74 [2022-12-13 06:08:20,181 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:08:33,178 INFO L130 PetriNetUnfolder]: 90683/123531 cut-off events. [2022-12-13 06:08:33,178 INFO L131 PetriNetUnfolder]: For 136/136 co-relation queries the response was YES. [2022-12-13 06:08:33,365 INFO L83 FinitePrefix]: Finished finitePrefix Result has 242879 conditions, 123531 events. 90683/123531 cut-off events. For 136/136 co-relation queries the response was YES. Maximal size of possible extension queue 5624. Compared 903703 event pairs, 9551 based on Foata normal form. 0/74460 useless extension candidates. Maximal degree in co-relation 242867. Up to 105373 conditions per place. [2022-12-13 06:08:33,608 INFO L137 encePairwiseOnDemand]: 69/74 looper letters, 94 selfloop transitions, 2 changer transitions 8/117 dead transitions. [2022-12-13 06:08:33,608 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 117 transitions, 457 flow [2022-12-13 06:08:33,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:08:33,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:08:33,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 148 transitions. [2022-12-13 06:08:33,618 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2022-12-13 06:08:33,623 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, 0 predicate places. [2022-12-13 06:08:33,623 INFO L82 GeneralOperation]: Start removeDead. Operand has 86 places, 117 transitions, 457 flow [2022-12-13 06:08:33,827 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 109 transitions, 425 flow [2022-12-13 06:08:34,354 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:08:34,355 INFO L89 Accepts]: Start accepts. Operand has 82 places, 109 transitions, 425 flow [2022-12-13 06:08:34,359 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:08:34,359 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:08:34,359 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 109 transitions, 425 flow [2022-12-13 06:08:34,365 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 109 transitions, 425 flow [2022-12-13 06:08:34,365 INFO L226 LiptonReduction]: Number of co-enabled transitions 1876 [2022-12-13 06:08:36,976 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:08:36,977 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 2623 [2022-12-13 06:08:36,978 INFO L495 AbstractCegarLoop]: Abstraction has has 82 places, 109 transitions, 425 flow [2022-12-13 06:08:36,978 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:08:36,978 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:08:36,978 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:08:36,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 06:08:36,978 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:08:36,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:08:36,979 INFO L85 PathProgramCache]: Analyzing trace with hash 540574986, now seen corresponding path program 1 times [2022-12-13 06:08:36,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:08:36,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580203907] [2022-12-13 06:08:36,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:08:36,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:08:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:08:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:08:37,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:08:37,149 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580203907] [2022-12-13 06:08:37,149 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580203907] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:08:37,149 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:08:37,150 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-13 06:08:37,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122213616] [2022-12-13 06:08:37,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:08:37,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 06:08:37,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:08:37,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 06:08:37,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 06:08:37,152 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 67 [2022-12-13 06:08:37,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 82 places, 109 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:08:37,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:08:37,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 67 [2022-12-13 06:08:37,152 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:08:48,052 INFO L130 PetriNetUnfolder]: 76119/108481 cut-off events. [2022-12-13 06:08:48,053 INFO L131 PetriNetUnfolder]: For 4082/4092 co-relation queries the response was YES. [2022-12-13 06:08:48,399 INFO L83 FinitePrefix]: Finished finitePrefix Result has 308754 conditions, 108481 events. 76119/108481 cut-off events. For 4082/4092 co-relation queries the response was YES. Maximal size of possible extension queue 5294. Compared 842375 event pairs, 979 based on Foata normal form. 0/70266 useless extension candidates. Maximal degree in co-relation 308739. Up to 88501 conditions per place. [2022-12-13 06:08:48,523 INFO L137 encePairwiseOnDemand]: 64/67 looper letters, 69 selfloop transitions, 3 changer transitions 96/181 dead transitions. [2022-12-13 06:08:48,523 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 181 transitions, 1049 flow [2022-12-13 06:08:48,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 06:08:48,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-13 06:08:48,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 133 transitions. [2022-12-13 06:08:48,527 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6616915422885572 [2022-12-13 06:08:48,528 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -3 predicate places. [2022-12-13 06:08:48,528 INFO L82 GeneralOperation]: Start removeDead. Operand has 83 places, 181 transitions, 1049 flow [2022-12-13 06:08:48,656 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 85 transitions, 473 flow [2022-12-13 06:08:49,141 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:08:49,142 INFO L89 Accepts]: Start accepts. Operand has 59 places, 85 transitions, 473 flow [2022-12-13 06:08:49,142 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:08:49,143 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:08:49,143 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 85 transitions, 473 flow [2022-12-13 06:08:49,145 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 85 transitions, 473 flow [2022-12-13 06:08:49,145 INFO L226 LiptonReduction]: Number of co-enabled transitions 1192 [2022-12-13 06:08:56,089 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:08:56,090 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 6949 [2022-12-13 06:08:56,090 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 85 transitions, 473 flow [2022-12-13 06:08:56,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:08:56,091 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:08:56,091 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:08:56,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 06:08:56,091 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:08:56,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:08:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash -198433648, now seen corresponding path program 1 times [2022-12-13 06:08:56,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:08:56,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522962994] [2022-12-13 06:08:56,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:08:56,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:08:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:08:56,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:08:56,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:08:56,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522962994] [2022-12-13 06:08:56,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522962994] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:08:56,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:08:56,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:08:56,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [187775269] [2022-12-13 06:08:56,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:08:56,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:08:56,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:08:56,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:08:56,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:08:56,591 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2022-12-13 06:08:56,591 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 85 transitions, 473 flow. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:08:56,591 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:08:56,591 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2022-12-13 06:08:56,591 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:09:00,125 INFO L130 PetriNetUnfolder]: 28807/40995 cut-off events. [2022-12-13 06:09:00,125 INFO L131 PetriNetUnfolder]: For 17877/17877 co-relation queries the response was YES. [2022-12-13 06:09:00,191 INFO L83 FinitePrefix]: Finished finitePrefix Result has 149486 conditions, 40995 events. 28807/40995 cut-off events. For 17877/17877 co-relation queries the response was YES. Maximal size of possible extension queue 1323. Compared 258267 event pairs, 1066 based on Foata normal form. 980/35076 useless extension candidates. Maximal degree in co-relation 149468. Up to 30631 conditions per place. [2022-12-13 06:09:00,367 INFO L137 encePairwiseOnDemand]: 29/42 looper letters, 153 selfloop transitions, 32 changer transitions 0/195 dead transitions. [2022-12-13 06:09:00,367 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:09:00,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 06:09:00,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 122 transitions. [2022-12-13 06:09:00,368 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.7261904761904762 [2022-12-13 06:09:00,369 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -24 predicate places. [2022-12-13 06:09:00,369 INFO L82 GeneralOperation]: Start removeDead. Operand has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,703 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:09:00,703 INFO L89 Accepts]: Start accepts. Operand has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,704 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:09:00,704 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:09:00,705 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,710 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,710 INFO L226 LiptonReduction]: Number of co-enabled transitions 1874 [2022-12-13 06:09:00,721 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:09:00,722 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-13 06:09:00,722 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 195 transitions, 1508 flow [2022-12-13 06:09:00,722 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:00,722 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:09:00,722 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:09:00,722 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 06:09:00,722 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:09:00,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:09:00,723 INFO L85 PathProgramCache]: Analyzing trace with hash -1856476158, now seen corresponding path program 1 times [2022-12-13 06:09:00,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:09:00,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180092160] [2022-12-13 06:09:00,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:09:00,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:09:00,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:09:01,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:09:01,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:09:01,063 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180092160] [2022-12-13 06:09:01,063 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180092160] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:09:01,063 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:09:01,063 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:09:01,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533142303] [2022-12-13 06:09:01,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:09:01,063 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:09:01,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:09:01,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:09:01,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:09:01,064 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2022-12-13 06:09:01,064 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 195 transitions, 1508 flow. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:01,064 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:09:01,064 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2022-12-13 06:09:01,064 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:09:04,808 INFO L130 PetriNetUnfolder]: 26961/38398 cut-off events. [2022-12-13 06:09:04,808 INFO L131 PetriNetUnfolder]: For 16165/16165 co-relation queries the response was YES. [2022-12-13 06:09:04,881 INFO L83 FinitePrefix]: Finished finitePrefix Result has 176359 conditions, 38398 events. 26961/38398 cut-off events. For 16165/16165 co-relation queries the response was YES. Maximal size of possible extension queue 1212. Compared 237526 event pairs, 325 based on Foata normal form. 392/32243 useless extension candidates. Maximal degree in co-relation 176338. Up to 29240 conditions per place. [2022-12-13 06:09:05,048 INFO L137 encePairwiseOnDemand]: 30/42 looper letters, 231 selfloop transitions, 22 changer transitions 0/263 dead transitions. [2022-12-13 06:09:05,048 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:09:05,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 06:09:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 113 transitions. [2022-12-13 06:09:05,050 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6726190476190477 [2022-12-13 06:09:05,050 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -21 predicate places. [2022-12-13 06:09:05,050 INFO L82 GeneralOperation]: Start removeDead. Operand has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,221 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,419 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:09:05,419 INFO L89 Accepts]: Start accepts. Operand has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,420 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:09:05,420 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:09:05,421 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,429 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,429 INFO L226 LiptonReduction]: Number of co-enabled transitions 2406 [2022-12-13 06:09:05,439 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:09:05,440 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 21 [2022-12-13 06:09:05,440 INFO L495 AbstractCegarLoop]: Abstraction has has 65 places, 263 transitions, 2539 flow [2022-12-13 06:09:05,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:05,440 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:09:05,440 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:09:05,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 06:09:05,440 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:09:05,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:09:05,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1662242452, now seen corresponding path program 1 times [2022-12-13 06:09:05,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:09:05,441 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275008809] [2022-12-13 06:09:05,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:09:05,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:09:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:09:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:09:06,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:09:06,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275008809] [2022-12-13 06:09:06,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [275008809] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:09:06,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:09:06,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 06:09:06,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849468567] [2022-12-13 06:09:06,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:09:06,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:09:06,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:09:06,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:09:06,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:09:06,004 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 10 out of 42 [2022-12-13 06:09:06,004 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 263 transitions, 2539 flow. Second operand has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:06,004 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:09:06,004 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 10 of 42 [2022-12-13 06:09:06,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:09:10,474 INFO L130 PetriNetUnfolder]: 25667/36484 cut-off events. [2022-12-13 06:09:10,475 INFO L131 PetriNetUnfolder]: For 14880/14880 co-relation queries the response was YES. [2022-12-13 06:09:10,578 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202363 conditions, 36484 events. 25667/36484 cut-off events. For 14880/14880 co-relation queries the response was YES. Maximal size of possible extension queue 1119. Compared 222025 event pairs, 623 based on Foata normal form. 280/30493 useless extension candidates. Maximal degree in co-relation 202339. Up to 27646 conditions per place. [2022-12-13 06:09:10,814 INFO L137 encePairwiseOnDemand]: 29/42 looper letters, 309 selfloop transitions, 32 changer transitions 0/351 dead transitions. [2022-12-13 06:09:10,814 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 06:09:10,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-13 06:09:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 109 transitions. [2022-12-13 06:09:10,816 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.6488095238095238 [2022-12-13 06:09:10,816 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -18 predicate places. [2022-12-13 06:09:10,816 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:11,041 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:11,302 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:09:11,302 INFO L89 Accepts]: Start accepts. Operand has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:11,304 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:09:11,304 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:09:11,304 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:11,320 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 351 transitions, 4069 flow [2022-12-13 06:09:11,321 INFO L226 LiptonReduction]: Number of co-enabled transitions 2998 [2022-12-13 06:09:20,836 INFO L241 LiptonReduction]: Total number of compositions: 1 [2022-12-13 06:09:20,837 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 9535 [2022-12-13 06:09:20,838 INFO L495 AbstractCegarLoop]: Abstraction has has 69 places, 352 transitions, 4113 flow [2022-12-13 06:09:20,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.5) internal successors, (54), 4 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:20,838 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:09:20,838 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:09:20,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 06:09:20,838 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:09:20,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:09:20,839 INFO L85 PathProgramCache]: Analyzing trace with hash 312863197, now seen corresponding path program 1 times [2022-12-13 06:09:20,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:09:20,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221837796] [2022-12-13 06:09:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:09:20,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:09:20,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 06:09:21,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 06:09:21,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 06:09:21,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221837796] [2022-12-13 06:09:21,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221837796] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 06:09:21,205 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 06:09:21,205 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 06:09:21,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034796054] [2022-12-13 06:09:21,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 06:09:21,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 06:09:21,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 06:09:21,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 06:09:21,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 06:09:21,208 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 9 out of 54 [2022-12-13 06:09:21,208 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 352 transitions, 4113 flow. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:21,208 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-13 06:09:21,208 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 9 of 54 [2022-12-13 06:09:21,208 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-13 06:09:30,341 INFO L130 PetriNetUnfolder]: 55563/76793 cut-off events. [2022-12-13 06:09:30,341 INFO L131 PetriNetUnfolder]: For 153931/155529 co-relation queries the response was YES. [2022-12-13 06:09:30,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 463765 conditions, 76793 events. 55563/76793 cut-off events. For 153931/155529 co-relation queries the response was YES. Maximal size of possible extension queue 2663. Compared 495752 event pairs, 6712 based on Foata normal form. 3794/68187 useless extension candidates. Maximal degree in co-relation 463738. Up to 55085 conditions per place. [2022-12-13 06:09:31,139 INFO L137 encePairwiseOnDemand]: 37/54 looper letters, 419 selfloop transitions, 113 changer transitions 470/1030 dead transitions. [2022-12-13 06:09:31,140 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 1030 transitions, 14131 flow [2022-12-13 06:09:31,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 06:09:31,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-13 06:09:31,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 159 transitions. [2022-12-13 06:09:31,142 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5888888888888889 [2022-12-13 06:09:31,143 INFO L295 CegarLoopForPetriNet]: 86 programPoint places, -13 predicate places. [2022-12-13 06:09:31,143 INFO L82 GeneralOperation]: Start removeDead. Operand has 73 places, 1030 transitions, 14131 flow [2022-12-13 06:09:31,520 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 560 transitions, 7631 flow [2022-12-13 06:09:32,027 WARN L178 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-13 06:09:32,027 INFO L89 Accepts]: Start accepts. Operand has 70 places, 560 transitions, 7631 flow [2022-12-13 06:09:32,029 INFO L95 Accepts]: Finished accepts. [2022-12-13 06:09:32,029 INFO L203 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-13 06:09:32,029 INFO L174 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 560 transitions, 7631 flow [2022-12-13 06:09:32,057 INFO L222 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 560 transitions, 7631 flow [2022-12-13 06:09:32,058 INFO L226 LiptonReduction]: Number of co-enabled transitions 3046 [2022-12-13 06:09:32,347 INFO L241 LiptonReduction]: Total number of compositions: 0 [2022-12-13 06:09:32,348 INFO L158 eatedLiptonReduction]: Time needed for LBE in milliseconds: 321 [2022-12-13 06:09:32,348 INFO L495 AbstractCegarLoop]: Abstraction has has 70 places, 560 transitions, 7631 flow [2022-12-13 06:09:32,348 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 06:09:32,348 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-13 06:09:32,348 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:09:32,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 06:09:32,348 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 6 more)] === [2022-12-13 06:09:32,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 06:09:32,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1714127048, now seen corresponding path program 1 times [2022-12-13 06:09:32,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 06:09:32,349 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173933289] [2022-12-13 06:09:32,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 06:09:32,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 06:09:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-12-13 06:22:32,580 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-13 06:22:32,605 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 9 remaining) [2022-12-13 06:22:32,606 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 06:22:32,607 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. [2022-12-13 06:22:32,608 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2022-12-13 06:22:32,609 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2022-12-13 06:22:32,609 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 9 remaining) [2022-12-13 06:22:32,609 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 9 remaining) [2022-12-13 06:22:32,609 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 9 remaining) [2022-12-13 06:22:32,609 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 9 remaining) [2022-12-13 06:22:32,610 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P2Err0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2022-12-13 06:22:32,610 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2022-12-13 06:22:32,610 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-13 06:22:32,615 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-13 06:22:32,615 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 06:22:32,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:22:32 BasicIcfg [2022-12-13 06:22:32,618 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 06:22:32,618 INFO L158 Benchmark]: Toolchain (without parser) took 865360.71ms. Allocated memory was 165.7MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 139.1MB in the beginning and 3.5GB in the end (delta: -3.4GB). Peak memory consumption was 5.3GB. Max. memory is 8.0GB. [2022-12-13 06:22:32,618 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-13 06:22:32,619 INFO L158 Benchmark]: CACSL2BoogieTranslator took 489.22ms. Allocated memory is still 165.7MB. Free memory was 138.7MB in the beginning and 106.2MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. [2022-12-13 06:22:32,619 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.82ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 102.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2022-12-13 06:22:32,619 INFO L158 Benchmark]: Boogie Preprocessor took 57.09ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-13 06:22:32,619 INFO L158 Benchmark]: RCFGBuilder took 790.91ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 80.0MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2022-12-13 06:22:32,620 INFO L158 Benchmark]: TraceAbstraction took 863953.38ms. Allocated memory was 165.7MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 78.4MB in the beginning and 3.5GB in the end (delta: -3.5GB). Peak memory consumption was 5.3GB. Max. memory is 8.0GB. [2022-12-13 06:22:32,621 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 165.7MB. Free memory is still 141.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 489.22ms. Allocated memory is still 165.7MB. Free memory was 138.7MB in the beginning and 106.2MB in the end (delta: 32.5MB). Peak memory consumption was 32.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.82ms. Allocated memory is still 165.7MB. Free memory was 106.2MB in the beginning and 102.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 57.09ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.5MB in the end (delta: 2.5MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 790.91ms. Allocated memory is still 165.7MB. Free memory was 99.5MB in the beginning and 80.0MB in the end (delta: 19.5MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * TraceAbstraction took 863953.38ms. Allocated memory was 165.7MB in the beginning and 5.9GB in the end (delta: 5.8GB). Free memory was 78.4MB in the beginning and 3.5GB in the end (delta: -3.5GB). Peak memory consumption was 5.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10.8s, 157 PlacesBefore, 86 PlacesAfterwards, 146 TransitionsBefore, 74 TransitionsAfterwards, 3210 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 61 TrivialYvCompositions, 52 ConcurrentYvCompositions, 5 ChoiceCompositions, 119 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5744, independent: 5578, independent conditional: 5578, independent unconditional: 0, dependent: 166, dependent conditional: 166, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5744, independent: 5578, independent conditional: 0, independent unconditional: 5578, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5744, independent: 5578, independent conditional: 0, independent unconditional: 5578, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5744, independent: 5578, independent conditional: 0, independent unconditional: 5578, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3185, independent: 3122, independent conditional: 0, independent unconditional: 3122, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3185, independent: 3027, independent conditional: 0, independent unconditional: 3027, dependent: 158, dependent conditional: 0, dependent unconditional: 158, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 158, independent: 95, independent conditional: 0, independent unconditional: 95, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 387, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 293, dependent conditional: 0, dependent unconditional: 293, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5744, independent: 2456, independent conditional: 0, independent unconditional: 2456, dependent: 103, dependent conditional: 0, dependent unconditional: 103, unknown: 3185, unknown conditional: 0, unknown unconditional: 3185] , Statistics on independence cache: Total cache size (in pairs): 5729, Positive cache size: 5666, Positive conditional cache size: 0, Positive unconditional cache size: 5666, Negative cache size: 63, Negative conditional cache size: 0, Negative unconditional cache size: 63, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.6s, 82 PlacesBefore, 82 PlacesAfterwards, 109 TransitionsBefore, 109 TransitionsAfterwards, 1876 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, independent: 91, independent conditional: 91, independent unconditional: 0, dependent: 14, dependent conditional: 14, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 105, independent: 91, independent conditional: 49, independent unconditional: 42, dependent: 14, dependent conditional: 11, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 105, independent: 91, independent conditional: 5, independent unconditional: 86, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 105, independent: 91, independent conditional: 5, independent unconditional: 86, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 59, independent: 52, independent conditional: 4, independent unconditional: 48, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 59, independent: 49, independent conditional: 0, independent unconditional: 49, dependent: 10, dependent conditional: 0, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, independent: 3, independent conditional: 0, independent unconditional: 3, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 23, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 105, independent: 39, independent conditional: 1, independent unconditional: 38, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 59, unknown conditional: 4, unknown unconditional: 55] , Statistics on independence cache: Total cache size (in pairs): 59, Positive cache size: 52, Positive conditional cache size: 4, Positive unconditional cache size: 48, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 55, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6.9s, 59 PlacesBefore, 59 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1192 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 200, independent: 178, independent conditional: 178, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 200, independent: 178, independent conditional: 112, independent unconditional: 66, dependent: 22, dependent conditional: 20, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213, independent: 178, independent conditional: 8, independent unconditional: 170, dependent: 35, dependent conditional: 3, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213, independent: 178, independent conditional: 8, independent unconditional: 170, dependent: 35, dependent conditional: 3, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, independent: 15, independent conditional: 4, independent unconditional: 11, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, independent: 14, independent conditional: 0, independent unconditional: 14, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, independent: 1, independent conditional: 1, independent unconditional: 0, dependent: 2, dependent conditional: 1, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11, independent: 4, independent conditional: 4, independent unconditional: 0, dependent: 6, dependent conditional: 5, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 213, independent: 163, independent conditional: 4, independent unconditional: 159, dependent: 33, dependent conditional: 2, dependent unconditional: 31, unknown: 17, unknown conditional: 5, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 67, Positive conditional cache size: 8, Positive unconditional cache size: 59, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 134, Maximal queried relation: 1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 195 TransitionsBefore, 195 TransitionsAfterwards, 1874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 67, Positive conditional cache size: 8, Positive unconditional cache size: 59, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 65 PlacesBefore, 65 PlacesAfterwards, 263 TransitionsBefore, 263 TransitionsAfterwards, 2406 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 67, Positive conditional cache size: 8, Positive unconditional cache size: 59, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9.5s, 68 PlacesBefore, 69 PlacesAfterwards, 351 TransitionsBefore, 352 TransitionsAfterwards, 2998 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 72, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 72, independent: 72, independent conditional: 0, independent unconditional: 72, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 72, independent: 60, independent conditional: 0, independent unconditional: 60, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 12, unknown conditional: 0, unknown unconditional: 12] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 91, Positive conditional cache size: 8, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 70 PlacesBefore, 70 PlacesAfterwards, 560 TransitionsBefore, 560 TransitionsAfterwards, 3046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 91, Positive conditional cache size: 8, Positive unconditional cache size: 83, Negative cache size: 9, Negative conditional cache size: 1, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 928]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 926]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 924]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - TimeoutResultAtElement [Line: 930]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 18 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-7-6-3-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-7-6-9-6-8-6-9-6-9-6-8-6-7-6-4-3-7-6-7-6-3-6-10-6-9-6-4-6-4-6-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-3-6-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 188 locations, 9 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: 863.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 47.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 227 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 677 IncrementalHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 11 mSDtfsCounter, 677 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7631occurred in iteration=6, InterpolantAutomatonStates: 23, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 63 ConstructedInterpolants, 0 QuantifiedInterpolants, 687 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 could not prove your program: Timeout Completed graceful shutdown