/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 05:03:33,736 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 05:03:33,738 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 05:03:33,757 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 05:03:33,757 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 05:03:33,758 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 05:03:33,758 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 05:03:33,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 05:03:33,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 05:03:33,777 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 05:03:33,778 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 05:03:33,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 05:03:33,779 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 05:03:33,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 05:03:33,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 05:03:33,781 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 05:03:33,781 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 05:03:33,782 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 05:03:33,782 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 05:03:33,783 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 05:03:33,784 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 05:03:33,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 05:03:33,785 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 05:03:33,786 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 05:03:33,788 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-12-06 05:03:33,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 05:03:33,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 05:03:33,790 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 05:03:33,791 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 05:03:33,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 05:03:33,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 05:03:33,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 05:03:33,792 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 05:03:33,792 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 05:03:33,793 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 05:03:33,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 05:03:33,794 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2022-12-06 05:03:33,834 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 05:03:33,834 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 05:03:33,835 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 05:03:33,835 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 05:03:33,835 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 05:03:33,835 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 05:03:33,835 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 05:03:33,836 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 05:03:33,836 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:03:33,837 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 05:03:33,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 05:03:33,838 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-06 05:03:34,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 05:03:34,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 05:03:34,132 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 05:03:34,133 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 05:03:34,133 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 05:03:34,134 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-12-06 05:03:35,067 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 05:03:35,273 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 05:03:35,274 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2022-12-06 05:03:35,281 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d867a63e/d0e1076723f440f184ef4e568cd4da44/FLAG3f62e8cd9 [2022-12-06 05:03:35,297 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d867a63e/d0e1076723f440f184ef4e568cd4da44 [2022-12-06 05:03:35,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 05:03:35,303 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 05:03:35,305 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 05:03:35,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 05:03:35,307 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 05:03:35,308 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@efac148 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35, skipping insertion in model container [2022-12-06 05:03:35,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,313 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 05:03:35,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 05:03:35,499 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-12-06 05:03:35,512 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:03:35,520 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 05:03:35,536 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2022-12-06 05:03:35,539 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 05:03:35,567 INFO L208 MainTranslator]: Completed translation [2022-12-06 05:03:35,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35 WrapperNode [2022-12-06 05:03:35,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 05:03:35,569 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 05:03:35,569 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 05:03:35,570 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 05:03:35,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,593 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,630 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 277 [2022-12-06 05:03:35,630 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 05:03:35,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 05:03:35,631 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 05:03:35,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 05:03:35,637 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,646 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,646 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,652 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,667 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,670 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 05:03:35,671 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 05:03:35,671 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 05:03:35,671 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 05:03:35,672 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (1/1) ... [2022-12-06 05:03:35,680 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 05:03:35,689 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:03:35,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-06 05:03:35,721 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-06 05:03:35,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 05:03:35,735 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 05:03:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 05:03:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-12-06 05:03:35,736 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 05:03:35,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-12-06 05:03:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 05:03:35,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 05:03:35,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 05:03:35,738 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 05:03:35,879 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 05:03:35,880 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 05:03:36,261 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 05:03:36,270 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 05:03:36,270 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2022-12-06 05:03:36,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:36 BoogieIcfgContainer [2022-12-06 05:03:36,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 05:03:36,275 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 05:03:36,275 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 05:03:36,281 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 05:03:36,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:03:35" (1/3) ... [2022-12-06 05:03:36,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3554add0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:03:36, skipping insertion in model container [2022-12-06 05:03:36,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:35" (2/3) ... [2022-12-06 05:03:36,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3554add0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:03:36, skipping insertion in model container [2022-12-06 05:03:36,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:36" (3/3) ... [2022-12-06 05:03:36,283 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2022-12-06 05:03:36,300 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 05:03:36,301 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 05:03:36,301 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 05:03:36,406 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-12-06 05:03:36,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 294 places, 312 transitions, 648 flow [2022-12-06 05:03:36,548 INFO L130 PetriNetUnfolder]: 28/309 cut-off events. [2022-12-06 05:03:36,548 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:03:36,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 322 conditions, 309 events. 28/309 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 508 event pairs, 0 based on Foata normal form. 0/280 useless extension candidates. Maximal degree in co-relation 239. Up to 3 conditions per place. [2022-12-06 05:03:36,564 INFO L82 GeneralOperation]: Start removeDead. Operand has 294 places, 312 transitions, 648 flow [2022-12-06 05:03:36,570 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 281 places, 299 transitions, 616 flow [2022-12-06 05:03:36,572 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:36,584 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 281 places, 299 transitions, 616 flow [2022-12-06 05:03:36,592 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 281 places, 299 transitions, 616 flow [2022-12-06 05:03:36,651 INFO L130 PetriNetUnfolder]: 28/299 cut-off events. [2022-12-06 05:03:36,651 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:03:36,653 INFO L83 FinitePrefix]: Finished finitePrefix Result has 312 conditions, 299 events. 28/299 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 508 event pairs, 0 based on Foata normal form. 0/271 useless extension candidates. Maximal degree in co-relation 239. Up to 3 conditions per place. [2022-12-06 05:03:36,665 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 281 places, 299 transitions, 616 flow [2022-12-06 05:03:36,665 INFO L188 LiptonReduction]: Number of co-enabled transitions 14784 [2022-12-06 05:03:45,149 INFO L203 LiptonReduction]: Total number of compositions: 263 [2022-12-06 05:03:45,163 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 05:03:45,168 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;@7ceca134, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 05:03:45,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-12-06 05:03:45,174 INFO L130 PetriNetUnfolder]: 8/35 cut-off events. [2022-12-06 05:03:45,175 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 05:03:45,175 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:45,175 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:45,176 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:45,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:45,179 INFO L85 PathProgramCache]: Analyzing trace with hash 1970597914, now seen corresponding path program 1 times [2022-12-06 05:03:45,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:45,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284005080] [2022-12-06 05:03:45,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:45,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:45,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:45,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:45,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284005080] [2022-12-06 05:03:45,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284005080] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:45,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:45,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:03:45,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887004334] [2022-12-06 05:03:45,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:45,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:03:45,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:45,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:03:45,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-06 05:03:45,799 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 36 [2022-12-06 05:03:45,800 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 36 transitions, 90 flow. Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:45,800 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:45,800 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 36 [2022-12-06 05:03:45,800 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:46,241 INFO L130 PetriNetUnfolder]: 2196/3223 cut-off events. [2022-12-06 05:03:46,241 INFO L131 PetriNetUnfolder]: For 225/225 co-relation queries the response was YES. [2022-12-06 05:03:46,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 6642 conditions, 3223 events. 2196/3223 cut-off events. For 225/225 co-relation queries the response was YES. Maximal size of possible extension queue 155. Compared 14585 event pairs, 842 based on Foata normal form. 2/2391 useless extension candidates. Maximal degree in co-relation 1869. Up to 851 conditions per place. [2022-12-06 05:03:46,256 INFO L137 encePairwiseOnDemand]: 28/36 looper letters, 130 selfloop transitions, 8 changer transitions 12/152 dead transitions. [2022-12-06 05:03:46,257 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 152 transitions, 694 flow [2022-12-06 05:03:46,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 05:03:46,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 05:03:46,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 168 transitions. [2022-12-06 05:03:46,269 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2022-12-06 05:03:46,270 INFO L175 Difference]: Start difference. First operand has 38 places, 36 transitions, 90 flow. Second operand 8 states and 168 transitions. [2022-12-06 05:03:46,270 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 152 transitions, 694 flow [2022-12-06 05:03:46,277 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 152 transitions, 634 flow, removed 0 selfloop flow, removed 6 redundant places. [2022-12-06 05:03:46,279 INFO L231 Difference]: Finished difference. Result has 43 places, 43 transitions, 136 flow [2022-12-06 05:03:46,280 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=136, PETRI_PLACES=43, PETRI_TRANSITIONS=43} [2022-12-06 05:03:46,283 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 5 predicate places. [2022-12-06 05:03:46,283 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:46,283 INFO L89 Accepts]: Start accepts. Operand has 43 places, 43 transitions, 136 flow [2022-12-06 05:03:46,286 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:46,286 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:46,287 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 43 transitions, 136 flow [2022-12-06 05:03:46,288 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 43 transitions, 136 flow [2022-12-06 05:03:46,296 INFO L130 PetriNetUnfolder]: 19/114 cut-off events. [2022-12-06 05:03:46,296 INFO L131 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2022-12-06 05:03:46,296 INFO L83 FinitePrefix]: Finished finitePrefix Result has 159 conditions, 114 events. 19/114 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 443 event pairs, 0 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 98. Up to 11 conditions per place. [2022-12-06 05:03:46,297 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 43 transitions, 136 flow [2022-12-06 05:03:46,297 INFO L188 LiptonReduction]: Number of co-enabled transitions 442 [2022-12-06 05:03:51,429 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 05:03:51,431 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5148 [2022-12-06 05:03:51,431 INFO L495 AbstractCegarLoop]: Abstraction has has 42 places, 42 transitions, 136 flow [2022-12-06 05:03:51,431 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.4) internal successors, (32), 5 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:51,431 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:51,442 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:51,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 05:03:51,442 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:51,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:51,443 INFO L85 PathProgramCache]: Analyzing trace with hash -1922003293, now seen corresponding path program 1 times [2022-12-06 05:03:51,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:51,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404323201] [2022-12-06 05:03:51,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:51,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:51,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:51,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:51,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404323201] [2022-12-06 05:03:51,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404323201] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:51,777 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:51,779 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-06 05:03:51,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611465324] [2022-12-06 05:03:51,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:51,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-06 05:03:51,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:51,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-06 05:03:51,787 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2022-12-06 05:03:51,788 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 38 [2022-12-06 05:03:51,788 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 42 transitions, 136 flow. Second operand has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:51,788 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:51,788 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 38 [2022-12-06 05:03:51,788 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:52,405 INFO L130 PetriNetUnfolder]: 2774/4047 cut-off events. [2022-12-06 05:03:52,406 INFO L131 PetriNetUnfolder]: For 423/423 co-relation queries the response was YES. [2022-12-06 05:03:52,408 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8651 conditions, 4047 events. 2774/4047 cut-off events. For 423/423 co-relation queries the response was YES. Maximal size of possible extension queue 194. Compared 19077 event pairs, 952 based on Foata normal form. 1/3025 useless extension candidates. Maximal degree in co-relation 6218. Up to 2193 conditions per place. [2022-12-06 05:03:52,416 INFO L137 encePairwiseOnDemand]: 26/38 looper letters, 73 selfloop transitions, 12 changer transitions 52/139 dead transitions. [2022-12-06 05:03:52,416 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 139 transitions, 652 flow [2022-12-06 05:03:52,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-06 05:03:52,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2022-12-06 05:03:52,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 157 transitions. [2022-12-06 05:03:52,420 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4131578947368421 [2022-12-06 05:03:52,420 INFO L175 Difference]: Start difference. First operand has 42 places, 42 transitions, 136 flow. Second operand 10 states and 157 transitions. [2022-12-06 05:03:52,420 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 139 transitions, 652 flow [2022-12-06 05:03:52,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 139 transitions, 640 flow, removed 6 selfloop flow, removed 1 redundant places. [2022-12-06 05:03:52,424 INFO L231 Difference]: Finished difference. Result has 56 places, 50 transitions, 214 flow [2022-12-06 05:03:52,424 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=124, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=214, PETRI_PLACES=56, PETRI_TRANSITIONS=50} [2022-12-06 05:03:52,424 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 18 predicate places. [2022-12-06 05:03:52,424 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:52,424 INFO L89 Accepts]: Start accepts. Operand has 56 places, 50 transitions, 214 flow [2022-12-06 05:03:52,426 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:52,426 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:52,426 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 50 transitions, 214 flow [2022-12-06 05:03:52,427 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 50 transitions, 214 flow [2022-12-06 05:03:52,441 INFO L130 PetriNetUnfolder]: 52/199 cut-off events. [2022-12-06 05:03:52,442 INFO L131 PetriNetUnfolder]: For 93/109 co-relation queries the response was YES. [2022-12-06 05:03:52,442 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 199 events. 52/199 cut-off events. For 93/109 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 931 event pairs, 3 based on Foata normal form. 0/162 useless extension candidates. Maximal degree in co-relation 335. Up to 31 conditions per place. [2022-12-06 05:03:52,443 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 50 transitions, 214 flow [2022-12-06 05:03:52,443 INFO L188 LiptonReduction]: Number of co-enabled transitions 460 [2022-12-06 05:03:52,675 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:03:52,676 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 252 [2022-12-06 05:03:52,676 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 49 transitions, 208 flow [2022-12-06 05:03:52,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 4.444444444444445) internal successors, (40), 9 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:52,677 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:52,677 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:52,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 05:03:52,677 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:52,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:52,677 INFO L85 PathProgramCache]: Analyzing trace with hash -2043718843, now seen corresponding path program 1 times [2022-12-06 05:03:52,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:52,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132298171] [2022-12-06 05:03:52,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:52,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:52,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:52,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:52,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:52,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132298171] [2022-12-06 05:03:52,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132298171] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:52,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:52,805 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-06 05:03:52,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697930179] [2022-12-06 05:03:52,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:52,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 05:03:52,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:52,805 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 05:03:52,805 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 05:03:52,806 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 39 [2022-12-06 05:03:52,806 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 49 transitions, 208 flow. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:52,806 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:52,806 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 39 [2022-12-06 05:03:52,806 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:53,304 INFO L130 PetriNetUnfolder]: 2912/4254 cut-off events. [2022-12-06 05:03:53,304 INFO L131 PetriNetUnfolder]: For 4641/4641 co-relation queries the response was YES. [2022-12-06 05:03:53,308 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11520 conditions, 4254 events. 2912/4254 cut-off events. For 4641/4641 co-relation queries the response was YES. Maximal size of possible extension queue 197. Compared 20103 event pairs, 1473 based on Foata normal form. 1/3452 useless extension candidates. Maximal degree in co-relation 10569. Up to 2004 conditions per place. [2022-12-06 05:03:53,319 INFO L137 encePairwiseOnDemand]: 31/39 looper letters, 116 selfloop transitions, 8 changer transitions 5/131 dead transitions. [2022-12-06 05:03:53,320 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 131 transitions, 763 flow [2022-12-06 05:03:53,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:03:53,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:03:53,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 126 transitions. [2022-12-06 05:03:53,321 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6461538461538462 [2022-12-06 05:03:53,321 INFO L175 Difference]: Start difference. First operand has 52 places, 49 transitions, 208 flow. Second operand 5 states and 126 transitions. [2022-12-06 05:03:53,321 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 131 transitions, 763 flow [2022-12-06 05:03:53,337 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 131 transitions, 692 flow, removed 30 selfloop flow, removed 6 redundant places. [2022-12-06 05:03:53,344 INFO L231 Difference]: Finished difference. Result has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,344 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=180, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=243, PETRI_PLACES=53, PETRI_TRANSITIONS=54} [2022-12-06 05:03:53,345 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2022-12-06 05:03:53,345 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:53,345 INFO L89 Accepts]: Start accepts. Operand has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,346 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:53,346 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:53,346 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,347 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,363 INFO L130 PetriNetUnfolder]: 67/271 cut-off events. [2022-12-06 05:03:53,363 INFO L131 PetriNetUnfolder]: For 90/102 co-relation queries the response was YES. [2022-12-06 05:03:53,364 INFO L83 FinitePrefix]: Finished finitePrefix Result has 479 conditions, 271 events. 67/271 cut-off events. For 90/102 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1451 event pairs, 4 based on Foata normal form. 0/208 useless extension candidates. Maximal degree in co-relation 356. Up to 39 conditions per place. [2022-12-06 05:03:53,365 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,365 INFO L188 LiptonReduction]: Number of co-enabled transitions 522 [2022-12-06 05:03:53,367 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:03:53,368 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 23 [2022-12-06 05:03:53,368 INFO L495 AbstractCegarLoop]: Abstraction has has 53 places, 54 transitions, 243 flow [2022-12-06 05:03:53,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:53,369 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:53,369 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:53,369 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 05:03:53,369 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:53,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:53,369 INFO L85 PathProgramCache]: Analyzing trace with hash -465349558, now seen corresponding path program 1 times [2022-12-06 05:03:53,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:53,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408356291] [2022-12-06 05:03:53,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:53,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:53,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:53,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:53,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408356291] [2022-12-06 05:03:53,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408356291] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 05:03:53,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27320177] [2022-12-06 05:03:53,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:53,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 05:03:53,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:03:53,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 05:03:53,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-06 05:03:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:53,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-06 05:03:53,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 05:03:53,706 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:53,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 05:03:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:53,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27320177] provided 1 perfect and 1 imperfect interpolant sequences [2022-12-06 05:03:53,756 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-06 05:03:53,756 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 10 [2022-12-06 05:03:53,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986226837] [2022-12-06 05:03:53,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:53,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 05:03:53,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:53,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 05:03:53,757 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2022-12-06 05:03:53,758 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 39 [2022-12-06 05:03:53,758 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 54 transitions, 243 flow. Second operand has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:53,758 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:53,758 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 39 [2022-12-06 05:03:53,758 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:54,363 INFO L130 PetriNetUnfolder]: 3733/5430 cut-off events. [2022-12-06 05:03:54,363 INFO L131 PetriNetUnfolder]: For 3774/3774 co-relation queries the response was YES. [2022-12-06 05:03:54,368 INFO L83 FinitePrefix]: Finished finitePrefix Result has 13780 conditions, 5430 events. 3733/5430 cut-off events. For 3774/3774 co-relation queries the response was YES. Maximal size of possible extension queue 217. Compared 26663 event pairs, 1091 based on Foata normal form. 0/4098 useless extension candidates. Maximal degree in co-relation 10553. Up to 1396 conditions per place. [2022-12-06 05:03:54,383 INFO L137 encePairwiseOnDemand]: 30/39 looper letters, 150 selfloop transitions, 14 changer transitions 8/173 dead transitions. [2022-12-06 05:03:54,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 173 transitions, 956 flow [2022-12-06 05:03:54,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-06 05:03:54,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-06 05:03:54,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 171 transitions. [2022-12-06 05:03:54,384 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.48717948717948717 [2022-12-06 05:03:54,384 INFO L175 Difference]: Start difference. First operand has 53 places, 54 transitions, 243 flow. Second operand 9 states and 171 transitions. [2022-12-06 05:03:54,384 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 173 transitions, 956 flow [2022-12-06 05:03:54,389 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 173 transitions, 952 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-06 05:03:54,390 INFO L231 Difference]: Finished difference. Result has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,390 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=315, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2022-12-06 05:03:54,391 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 24 predicate places. [2022-12-06 05:03:54,391 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:54,391 INFO L89 Accepts]: Start accepts. Operand has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,391 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:54,392 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:54,392 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,392 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,411 INFO L130 PetriNetUnfolder]: 65/289 cut-off events. [2022-12-06 05:03:54,411 INFO L131 PetriNetUnfolder]: For 122/134 co-relation queries the response was YES. [2022-12-06 05:03:54,412 INFO L83 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 289 events. 65/289 cut-off events. For 122/134 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1624 event pairs, 4 based on Foata normal form. 0/231 useless extension candidates. Maximal degree in co-relation 397. Up to 39 conditions per place. [2022-12-06 05:03:54,414 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,414 INFO L188 LiptonReduction]: Number of co-enabled transitions 694 [2022-12-06 05:03:54,425 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:03:54,426 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 35 [2022-12-06 05:03:54,426 INFO L495 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 315 flow [2022-12-06 05:03:54,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 6 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:54,426 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:54,426 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:54,443 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-06 05:03:54,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 05:03:54,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:54,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:54,634 INFO L85 PathProgramCache]: Analyzing trace with hash 181479627, now seen corresponding path program 1 times [2022-12-06 05:03:54,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:54,634 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100900139] [2022-12-06 05:03:54,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:54,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:54,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:54,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:54,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:54,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100900139] [2022-12-06 05:03:54,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100900139] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:54,699 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:54,699 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 05:03:54,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370007807] [2022-12-06 05:03:54,699 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:54,700 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 05:03:54,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:54,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 05:03:54,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 05:03:54,701 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 39 [2022-12-06 05:03:54,701 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 315 flow. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:54,701 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:54,701 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 39 [2022-12-06 05:03:54,701 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:55,043 INFO L130 PetriNetUnfolder]: 2665/3960 cut-off events. [2022-12-06 05:03:55,044 INFO L131 PetriNetUnfolder]: For 3883/3883 co-relation queries the response was YES. [2022-12-06 05:03:55,048 INFO L83 FinitePrefix]: Finished finitePrefix Result has 10724 conditions, 3960 events. 2665/3960 cut-off events. For 3883/3883 co-relation queries the response was YES. Maximal size of possible extension queue 163. Compared 18387 event pairs, 1646 based on Foata normal form. 84/3328 useless extension candidates. Maximal degree in co-relation 9301. Up to 2842 conditions per place. [2022-12-06 05:03:55,065 INFO L137 encePairwiseOnDemand]: 35/39 looper letters, 49 selfloop transitions, 0 changer transitions 46/96 dead transitions. [2022-12-06 05:03:55,065 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 96 transitions, 601 flow [2022-12-06 05:03:55,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 05:03:55,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 05:03:55,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions. [2022-12-06 05:03:55,066 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5256410256410257 [2022-12-06 05:03:55,071 INFO L175 Difference]: Start difference. First operand has 62 places, 63 transitions, 315 flow. Second operand 4 states and 82 transitions. [2022-12-06 05:03:55,071 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 96 transitions, 601 flow [2022-12-06 05:03:55,074 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 96 transitions, 592 flow, removed 1 selfloop flow, removed 1 redundant places. [2022-12-06 05:03:55,075 INFO L231 Difference]: Finished difference. Result has 61 places, 50 transitions, 240 flow [2022-12-06 05:03:55,075 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=288, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=240, PETRI_PLACES=61, PETRI_TRANSITIONS=50} [2022-12-06 05:03:55,077 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 23 predicate places. [2022-12-06 05:03:55,077 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:55,077 INFO L89 Accepts]: Start accepts. Operand has 61 places, 50 transitions, 240 flow [2022-12-06 05:03:55,078 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:55,078 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:55,078 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 50 transitions, 240 flow [2022-12-06 05:03:55,079 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 54 places, 50 transitions, 240 flow [2022-12-06 05:03:55,088 INFO L130 PetriNetUnfolder]: 32/154 cut-off events. [2022-12-06 05:03:55,088 INFO L131 PetriNetUnfolder]: For 86/92 co-relation queries the response was YES. [2022-12-06 05:03:55,089 INFO L83 FinitePrefix]: Finished finitePrefix Result has 299 conditions, 154 events. 32/154 cut-off events. For 86/92 co-relation queries the response was YES. Maximal size of possible extension queue 20. Compared 686 event pairs, 2 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 271. Up to 25 conditions per place. [2022-12-06 05:03:55,090 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 50 transitions, 240 flow [2022-12-06 05:03:55,090 INFO L188 LiptonReduction]: Number of co-enabled transitions 534 [2022-12-06 05:03:55,928 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:03:55,928 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 851 [2022-12-06 05:03:55,929 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 242 flow [2022-12-06 05:03:55,929 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:55,929 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:55,929 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:55,929 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 05:03:55,929 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:55,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:55,930 INFO L85 PathProgramCache]: Analyzing trace with hash 3328616, now seen corresponding path program 1 times [2022-12-06 05:03:55,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:55,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1768403726] [2022-12-06 05:03:55,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:55,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:55,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:56,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 05:03:56,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:56,071 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1768403726] [2022-12-06 05:03:56,071 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1768403726] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:56,071 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:56,071 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-12-06 05:03:56,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883998676] [2022-12-06 05:03:56,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:56,072 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 05:03:56,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:56,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 05:03:56,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-12-06 05:03:56,073 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 38 [2022-12-06 05:03:56,073 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 242 flow. Second operand has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:56,073 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:56,073 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 38 [2022-12-06 05:03:56,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:56,477 INFO L130 PetriNetUnfolder]: 2841/4110 cut-off events. [2022-12-06 05:03:56,477 INFO L131 PetriNetUnfolder]: For 3926/3926 co-relation queries the response was YES. [2022-12-06 05:03:56,481 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11014 conditions, 4110 events. 2841/4110 cut-off events. For 3926/3926 co-relation queries the response was YES. Maximal size of possible extension queue 161. Compared 18571 event pairs, 1416 based on Foata normal form. 0/3458 useless extension candidates. Maximal degree in co-relation 10971. Up to 1478 conditions per place. [2022-12-06 05:03:56,491 INFO L137 encePairwiseOnDemand]: 33/38 looper letters, 91 selfloop transitions, 5 changer transitions 2/99 dead transitions. [2022-12-06 05:03:56,491 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 99 transitions, 595 flow [2022-12-06 05:03:56,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 05:03:56,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 05:03:56,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 96 transitions. [2022-12-06 05:03:56,492 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5052631578947369 [2022-12-06 05:03:56,493 INFO L175 Difference]: Start difference. First operand has 54 places, 50 transitions, 242 flow. Second operand 5 states and 96 transitions. [2022-12-06 05:03:56,493 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 99 transitions, 595 flow [2022-12-06 05:03:56,496 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 99 transitions, 540 flow, removed 21 selfloop flow, removed 6 redundant places. [2022-12-06 05:03:56,498 INFO L231 Difference]: Finished difference. Result has 53 places, 50 transitions, 214 flow [2022-12-06 05:03:56,498 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=38, PETRI_DIFFERENCE_MINUEND_FLOW=203, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=214, PETRI_PLACES=53, PETRI_TRANSITIONS=50} [2022-12-06 05:03:56,500 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 15 predicate places. [2022-12-06 05:03:56,500 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:56,500 INFO L89 Accepts]: Start accepts. Operand has 53 places, 50 transitions, 214 flow [2022-12-06 05:03:56,501 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:56,502 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:56,502 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 50 transitions, 214 flow [2022-12-06 05:03:56,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 52 places, 50 transitions, 214 flow [2022-12-06 05:03:56,512 INFO L130 PetriNetUnfolder]: 31/176 cut-off events. [2022-12-06 05:03:56,512 INFO L131 PetriNetUnfolder]: For 59/59 co-relation queries the response was YES. [2022-12-06 05:03:56,513 INFO L83 FinitePrefix]: Finished finitePrefix Result has 305 conditions, 176 events. 31/176 cut-off events. For 59/59 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 855 event pairs, 2 based on Foata normal form. 0/155 useless extension candidates. Maximal degree in co-relation 183. Up to 25 conditions per place. [2022-12-06 05:03:56,514 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 50 transitions, 214 flow [2022-12-06 05:03:56,514 INFO L188 LiptonReduction]: Number of co-enabled transitions 566 [2022-12-06 05:03:56,515 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:03:56,516 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 16 [2022-12-06 05:03:56,516 INFO L495 AbstractCegarLoop]: Abstraction has has 52 places, 50 transitions, 214 flow [2022-12-06 05:03:56,516 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:56,516 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:56,516 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:56,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-06 05:03:56,516 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:56,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:56,517 INFO L85 PathProgramCache]: Analyzing trace with hash -594561098, now seen corresponding path program 1 times [2022-12-06 05:03:56,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:56,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716110112] [2022-12-06 05:03:56,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:56,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:56,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:03:56,571 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:56,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716110112] [2022-12-06 05:03:56,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716110112] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:56,572 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:03:56,572 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:03:56,572 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208734031] [2022-12-06 05:03:56,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:56,572 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 05:03:56,572 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:56,572 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 05:03:56,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-06 05:03:56,573 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 37 [2022-12-06 05:03:56,573 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 50 transitions, 214 flow. Second operand has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:56,573 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:56,573 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 37 [2022-12-06 05:03:56,573 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:56,833 INFO L130 PetriNetUnfolder]: 2217/3230 cut-off events. [2022-12-06 05:03:56,833 INFO L131 PetriNetUnfolder]: For 2702/2702 co-relation queries the response was YES. [2022-12-06 05:03:56,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8662 conditions, 3230 events. 2217/3230 cut-off events. For 2702/2702 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 14108 event pairs, 1379 based on Foata normal form. 60/3031 useless extension candidates. Maximal degree in co-relation 6994. Up to 2636 conditions per place. [2022-12-06 05:03:56,848 INFO L137 encePairwiseOnDemand]: 34/37 looper letters, 40 selfloop transitions, 0 changer transitions 42/83 dead transitions. [2022-12-06 05:03:56,849 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 83 transitions, 469 flow [2022-12-06 05:03:56,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 05:03:56,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 05:03:56,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 79 transitions. [2022-12-06 05:03:56,850 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5337837837837838 [2022-12-06 05:03:56,850 INFO L175 Difference]: Start difference. First operand has 52 places, 50 transitions, 214 flow. Second operand 4 states and 79 transitions. [2022-12-06 05:03:56,850 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 83 transitions, 469 flow [2022-12-06 05:03:56,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 83 transitions, 453 flow, removed 5 selfloop flow, removed 4 redundant places. [2022-12-06 05:03:56,858 INFO L231 Difference]: Finished difference. Result has 52 places, 41 transitions, 149 flow [2022-12-06 05:03:56,858 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=192, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=149, PETRI_PLACES=52, PETRI_TRANSITIONS=41} [2022-12-06 05:03:56,858 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 14 predicate places. [2022-12-06 05:03:56,859 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:56,859 INFO L89 Accepts]: Start accepts. Operand has 52 places, 41 transitions, 149 flow [2022-12-06 05:03:56,860 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:56,861 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:56,861 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 41 transitions, 149 flow [2022-12-06 05:03:56,862 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 45 places, 41 transitions, 149 flow [2022-12-06 05:03:56,870 INFO L130 PetriNetUnfolder]: 18/99 cut-off events. [2022-12-06 05:03:56,870 INFO L131 PetriNetUnfolder]: For 25/25 co-relation queries the response was YES. [2022-12-06 05:03:56,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 169 conditions, 99 events. 18/99 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 338 event pairs, 1 based on Foata normal form. 0/88 useless extension candidates. Maximal degree in co-relation 154. Up to 13 conditions per place. [2022-12-06 05:03:56,872 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 41 transitions, 149 flow [2022-12-06 05:03:56,872 INFO L188 LiptonReduction]: Number of co-enabled transitions 422 [2022-12-06 05:03:56,875 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:03:56,878 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 19 [2022-12-06 05:03:56,878 INFO L495 AbstractCegarLoop]: Abstraction has has 45 places, 41 transitions, 149 flow [2022-12-06 05:03:56,878 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 4 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:56,878 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:03:56,878 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:03:56,878 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-06 05:03:56,879 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:03:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:03:56,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1286425667, now seen corresponding path program 1 times [2022-12-06 05:03:56,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:03:56,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1621764804] [2022-12-06 05:03:56,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:56,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:03:56,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:57,077 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 05:03:57,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:03:57,077 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1621764804] [2022-12-06 05:03:57,077 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1621764804] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 05:03:57,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256343197] [2022-12-06 05:03:57,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:03:57,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 05:03:57,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:03:57,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 05:03:57,087 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-06 05:03:57,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:03:57,206 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-06 05:03:57,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 05:03:57,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-06 05:03:57,263 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-06 05:03:57,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [256343197] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:03:57,263 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-06 05:03:57,263 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 8 [2022-12-06 05:03:57,263 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889617562] [2022-12-06 05:03:57,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:03:57,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 05:03:57,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:03:57,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 05:03:57,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2022-12-06 05:03:57,264 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 36 [2022-12-06 05:03:57,265 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 149 flow. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:03:57,265 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:03:57,265 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 36 [2022-12-06 05:03:57,265 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:03:57,878 INFO L130 PetriNetUnfolder]: 4566/6737 cut-off events. [2022-12-06 05:03:57,878 INFO L131 PetriNetUnfolder]: For 5154/5154 co-relation queries the response was YES. [2022-12-06 05:03:57,884 INFO L83 FinitePrefix]: Finished finitePrefix Result has 17700 conditions, 6737 events. 4566/6737 cut-off events. For 5154/5154 co-relation queries the response was YES. Maximal size of possible extension queue 302. Compared 34800 event pairs, 2444 based on Foata normal form. 4/6201 useless extension candidates. Maximal degree in co-relation 17668. Up to 1997 conditions per place. [2022-12-06 05:03:57,901 INFO L137 encePairwiseOnDemand]: 27/36 looper letters, 146 selfloop transitions, 10 changer transitions 12/170 dead transitions. [2022-12-06 05:03:57,901 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 170 transitions, 930 flow [2022-12-06 05:03:57,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-06 05:03:57,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2022-12-06 05:03:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 168 transitions. [2022-12-06 05:03:57,903 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334 [2022-12-06 05:03:57,903 INFO L175 Difference]: Start difference. First operand has 45 places, 41 transitions, 149 flow. Second operand 8 states and 168 transitions. [2022-12-06 05:03:57,903 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 170 transitions, 930 flow [2022-12-06 05:03:57,907 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 170 transitions, 871 flow, removed 12 selfloop flow, removed 5 redundant places. [2022-12-06 05:03:57,909 INFO L231 Difference]: Finished difference. Result has 51 places, 50 transitions, 219 flow [2022-12-06 05:03:57,909 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=36, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=219, PETRI_PLACES=51, PETRI_TRANSITIONS=50} [2022-12-06 05:03:57,910 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 13 predicate places. [2022-12-06 05:03:57,910 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:03:57,910 INFO L89 Accepts]: Start accepts. Operand has 51 places, 50 transitions, 219 flow [2022-12-06 05:03:57,912 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:03:57,912 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:03:57,912 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 50 transitions, 219 flow [2022-12-06 05:03:57,913 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 50 transitions, 219 flow [2022-12-06 05:03:57,933 INFO L130 PetriNetUnfolder]: 51/289 cut-off events. [2022-12-06 05:03:57,933 INFO L131 PetriNetUnfolder]: For 93/93 co-relation queries the response was YES. [2022-12-06 05:03:57,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 289 events. 51/289 cut-off events. For 93/93 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1722 event pairs, 3 based on Foata normal form. 0/259 useless extension candidates. Maximal degree in co-relation 297. Up to 37 conditions per place. [2022-12-06 05:03:57,936 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 50 transitions, 219 flow [2022-12-06 05:03:57,936 INFO L188 LiptonReduction]: Number of co-enabled transitions 520 [2022-12-06 05:04:01,855 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 05:04:01,855 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 3945 [2022-12-06 05:04:01,856 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 49 transitions, 216 flow [2022-12-06 05:04:01,856 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:04:01,856 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:04:01,856 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:04:01,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-06 05:04:02,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-12-06 05:04:02,063 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:04:02,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:04:02,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1137471446, now seen corresponding path program 1 times [2022-12-06 05:04:02,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:04:02,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667394688] [2022-12-06 05:04:02,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:04:02,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:04:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:04:02,229 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-06 05:04:02,229 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:04:02,230 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667394688] [2022-12-06 05:04:02,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667394688] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 05:04:02,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 05:04:02,230 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 05:04:02,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651293753] [2022-12-06 05:04:02,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 05:04:02,230 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-06 05:04:02,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 05:04:02,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-06 05:04:02,231 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-12-06 05:04:02,231 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 37 [2022-12-06 05:04:02,231 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 49 transitions, 216 flow. Second operand has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:04:02,231 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 05:04:02,231 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 37 [2022-12-06 05:04:02,231 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 05:04:03,282 INFO L130 PetriNetUnfolder]: 9430/14203 cut-off events. [2022-12-06 05:04:03,282 INFO L131 PetriNetUnfolder]: For 10152/10152 co-relation queries the response was YES. [2022-12-06 05:04:03,304 INFO L83 FinitePrefix]: Finished finitePrefix Result has 36231 conditions, 14203 events. 9430/14203 cut-off events. For 10152/10152 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 87647 event pairs, 3111 based on Foata normal form. 4/13028 useless extension candidates. Maximal degree in co-relation 24122. Up to 5973 conditions per place. [2022-12-06 05:04:03,346 INFO L137 encePairwiseOnDemand]: 29/37 looper letters, 114 selfloop transitions, 9 changer transitions 4/129 dead transitions. [2022-12-06 05:04:03,346 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 129 transitions, 796 flow [2022-12-06 05:04:03,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-06 05:04:03,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-12-06 05:04:03,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 110 transitions. [2022-12-06 05:04:03,348 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.4954954954954955 [2022-12-06 05:04:03,348 INFO L175 Difference]: Start difference. First operand has 50 places, 49 transitions, 216 flow. Second operand 6 states and 110 transitions. [2022-12-06 05:04:03,348 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 129 transitions, 796 flow [2022-12-06 05:04:03,354 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 129 transitions, 788 flow, removed 4 selfloop flow, removed 1 redundant places. [2022-12-06 05:04:03,355 INFO L231 Difference]: Finished difference. Result has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,355 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=274, PETRI_PLACES=57, PETRI_TRANSITIONS=54} [2022-12-06 05:04:03,356 INFO L294 CegarLoopForPetriNet]: 38 programPoint places, 19 predicate places. [2022-12-06 05:04:03,356 WARN L163 eatedLiptonReduction]: Counterexample is not a run of mAbstraction. Replaying acceptance of the word... [2022-12-06 05:04:03,356 INFO L89 Accepts]: Start accepts. Operand has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,357 INFO L95 Accepts]: Finished accepts. [2022-12-06 05:04:03,357 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 05:04:03,357 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,358 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,399 INFO L130 PetriNetUnfolder]: 88/598 cut-off events. [2022-12-06 05:04:03,399 INFO L131 PetriNetUnfolder]: For 268/268 co-relation queries the response was YES. [2022-12-06 05:04:03,401 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 598 events. 88/598 cut-off events. For 268/268 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 4789 event pairs, 6 based on Foata normal form. 0/525 useless extension candidates. Maximal degree in co-relation 426. Up to 73 conditions per place. [2022-12-06 05:04:03,406 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,406 INFO L188 LiptonReduction]: Number of co-enabled transitions 596 [2022-12-06 05:04:03,409 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 05:04:03,410 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 54 [2022-12-06 05:04:03,410 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 54 transitions, 274 flow [2022-12-06 05:04:03,410 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.166666666666667) internal successors, (37), 6 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-06 05:04:03,410 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 05:04:03,410 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:04:03,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-06 05:04:03,410 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2022-12-06 05:04:03,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 05:04:03,411 INFO L85 PathProgramCache]: Analyzing trace with hash -442845718, now seen corresponding path program 1 times [2022-12-06 05:04:03,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 05:04:03,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996986965] [2022-12-06 05:04:03,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:04:03,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 05:04:03,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:04:04,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:04:04,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 05:04:04,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996986965] [2022-12-06 05:04:04,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996986965] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-06 05:04:04,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1705114056] [2022-12-06 05:04:04,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 05:04:04,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 05:04:04,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 05:04:04,588 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-06 05:04:04,590 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-06 05:04:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 05:04:04,689 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-06 05:04:04,693 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-06 05:04:04,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-06 05:04:04,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 05:04:04,938 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-12-06 05:04:05,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 05:04:05,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-06 05:04:05,163 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-12-06 05:04:05,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 23 [2022-12-06 05:04:05,585 INFO L321 Elim1Store]: treesize reduction 4, result has 84.0 percent of original size [2022-12-06 05:04:05,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 38 [2022-12-06 05:04:05,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 05:04:05,642 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-06 05:04:06,812 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:06,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 315 treesize of output 212 [2022-12-06 05:04:06,893 INFO L321 Elim1Store]: treesize reduction 4, result has 88.2 percent of original size [2022-12-06 05:04:06,894 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 26937 treesize of output 25495 [2022-12-06 05:04:07,096 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:07,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25465 treesize of output 25410 [2022-12-06 05:04:07,269 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:07,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25385 treesize of output 25250 [2022-12-06 05:04:07,470 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:07,472 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25225 treesize of output 24978 [2022-12-06 05:04:07,704 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:07,705 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 24969 treesize of output 22434 [2022-12-06 05:04:07,909 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:07,910 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22409 treesize of output 21122 [2022-12-06 05:04:08,130 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-12-06 05:04:08,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 21097 treesize of output 20466 Received shutdown request... [2022-12-06 05:17:34,703 WARN L249 SmtUtils]: Removed 2 from assertion stack [2022-12-06 05:17:34,706 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-12-06 05:17:34,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-06 05:17:34,747 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 [2022-12-06 05:17:34,747 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-06 05:17:34,907 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-06 05:17:34,907 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 28 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 31ms.. [2022-12-06 05:17:34,908 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2022-12-06 05:17:34,908 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2022-12-06 05:17:34,909 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2022-12-06 05:17:34,909 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 05:17:34,911 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 05:17:34,911 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 05:17:34,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:17:34 BasicIcfg [2022-12-06 05:17:34,913 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 05:17:34,913 INFO L158 Benchmark]: Toolchain (without parser) took 839610.17ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 161.0MB in the beginning and 549.1MB in the end (delta: -388.2MB). Peak memory consumption was 903.2MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,913 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 05:17:34,913 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.70ms. Allocated memory is still 184.5MB. Free memory was 161.0MB in the beginning and 149.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.91ms. Allocated memory is still 184.5MB. Free memory was 149.0MB in the beginning and 146.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,914 INFO L158 Benchmark]: Boogie Preprocessor took 40.07ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 144.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,914 INFO L158 Benchmark]: RCFGBuilder took 601.97ms. Allocated memory is still 184.5MB. Free memory was 144.2MB in the beginning and 120.2MB in the end (delta: 24.0MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,914 INFO L158 Benchmark]: TraceAbstraction took 838637.91ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 119.2MB in the beginning and 549.1MB in the end (delta: -429.9MB). Peak memory consumption was 861.2MB. Max. memory is 8.0GB. [2022-12-06 05:17:34,915 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 162.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 262.70ms. Allocated memory is still 184.5MB. Free memory was 161.0MB in the beginning and 149.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 60.91ms. Allocated memory is still 184.5MB. Free memory was 149.0MB in the beginning and 146.3MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.07ms. Allocated memory is still 184.5MB. Free memory was 146.3MB in the beginning and 144.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 601.97ms. Allocated memory is still 184.5MB. Free memory was 144.2MB in the beginning and 120.2MB in the end (delta: 24.0MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 838637.91ms. Allocated memory was 184.5MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 119.2MB in the beginning and 549.1MB in the end (delta: -429.9MB). Peak memory consumption was 861.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8.5s, 281 PlacesBefore, 38 PlacesAfterwards, 299 TransitionsBefore, 36 TransitionsAfterwards, 14784 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 126 TrivialYvCompositions, 117 ConcurrentYvCompositions, 20 ChoiceCompositions, 263 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9967, independent: 9901, independent conditional: 9901, independent unconditional: 0, dependent: 66, dependent conditional: 66, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9967, independent: 9901, independent conditional: 0, independent unconditional: 9901, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9967, independent: 9901, independent conditional: 0, independent unconditional: 9901, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9967, independent: 9901, independent conditional: 0, independent unconditional: 9901, dependent: 66, dependent conditional: 0, dependent unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8995, independent: 8953, independent conditional: 0, independent unconditional: 8953, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8995, independent: 8953, independent conditional: 0, independent unconditional: 8953, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 42, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 9967, independent: 948, independent conditional: 0, independent unconditional: 948, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 8995, unknown conditional: 0, unknown unconditional: 8995] , Statistics on independence cache: Total cache size (in pairs): 17857, Positive cache size: 17815, Positive conditional cache size: 0, Positive unconditional cache size: 17815, Negative cache size: 42, Negative conditional cache size: 0, Negative unconditional cache size: 42, 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: 5.1s, 43 PlacesBefore, 42 PlacesAfterwards, 43 TransitionsBefore, 42 TransitionsAfterwards, 442 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 332, independent: 290, independent conditional: 290, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 332, independent: 290, independent conditional: 46, independent unconditional: 244, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 332, independent: 290, independent conditional: 12, independent unconditional: 278, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 332, independent: 290, independent conditional: 12, independent unconditional: 278, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 108, independent: 94, independent conditional: 4, independent unconditional: 90, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 108, independent: 94, independent conditional: 0, independent unconditional: 94, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 15, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 332, independent: 196, independent conditional: 8, independent unconditional: 188, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 108, unknown conditional: 4, unknown unconditional: 104] , Statistics on independence cache: Total cache size (in pairs): 108, Positive cache size: 94, Positive conditional cache size: 4, Positive unconditional cache size: 90, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 40, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.2s, 53 PlacesBefore, 52 PlacesAfterwards, 50 TransitionsBefore, 49 TransitionsAfterwards, 460 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 474, independent: 432, independent conditional: 432, independent unconditional: 0, dependent: 42, dependent conditional: 42, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 474, independent: 432, independent conditional: 80, independent unconditional: 352, dependent: 42, dependent conditional: 6, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 474, independent: 432, independent conditional: 22, independent unconditional: 410, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 474, independent: 432, independent conditional: 22, independent unconditional: 410, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 38, independent: 38, independent conditional: 2, independent unconditional: 36, 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: 38, independent: 38, independent conditional: 0, independent unconditional: 38, 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: 474, independent: 394, independent conditional: 20, independent unconditional: 374, dependent: 42, dependent conditional: 0, dependent unconditional: 42, unknown: 38, unknown conditional: 2, unknown unconditional: 36] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 132, Positive conditional cache size: 6, Positive unconditional cache size: 126, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 64, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 53 PlacesBefore, 53 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 233, independent: 213, independent conditional: 213, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 233, independent: 213, independent conditional: 44, independent unconditional: 169, dependent: 20, dependent conditional: 1, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 233, independent: 213, independent conditional: 9, independent unconditional: 204, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 233, independent: 213, independent conditional: 9, independent unconditional: 204, dependent: 20, dependent conditional: 0, dependent unconditional: 20, 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: 233, independent: 213, independent conditional: 9, independent unconditional: 204, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 146, Positive cache size: 132, Positive conditional cache size: 6, Positive unconditional cache size: 126, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 36, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 62 PlacesBefore, 62 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 694 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 302, independent: 281, independent conditional: 281, independent unconditional: 0, dependent: 21, dependent conditional: 21, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 302, independent: 281, independent conditional: 143, independent unconditional: 138, dependent: 21, dependent conditional: 7, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 302, independent: 281, independent conditional: 111, independent unconditional: 170, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 302, independent: 281, independent conditional: 111, independent unconditional: 170, dependent: 21, dependent conditional: 6, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 53, independent: 47, independent conditional: 26, independent unconditional: 21, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 53, independent: 47, independent conditional: 0, independent unconditional: 47, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 9, dependent conditional: 9, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 302, independent: 234, independent conditional: 85, independent unconditional: 149, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 53, unknown conditional: 32, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 199, Positive cache size: 179, Positive conditional cache size: 32, Positive unconditional cache size: 147, Negative cache size: 20, Negative conditional cache size: 6, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 33, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.8s, 54 PlacesBefore, 54 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 296, independent: 264, independent conditional: 264, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 296, independent: 264, independent conditional: 96, independent unconditional: 168, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 296, independent: 264, independent conditional: 80, independent unconditional: 184, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 296, independent: 264, independent conditional: 80, independent unconditional: 184, dependent: 32, dependent conditional: 8, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 7, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 9, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 296, independent: 257, independent conditional: 73, independent unconditional: 184, dependent: 30, dependent conditional: 6, dependent unconditional: 24, unknown: 9, unknown conditional: 9, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 208, Positive cache size: 186, Positive conditional cache size: 39, Positive unconditional cache size: 147, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 16, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 52 PlacesBefore, 52 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 566 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 180, independent: 163, independent conditional: 163, independent unconditional: 0, dependent: 17, dependent conditional: 17, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 180, independent: 163, independent conditional: 76, independent unconditional: 87, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 180, independent: 163, independent conditional: 72, independent unconditional: 91, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 180, independent: 163, independent conditional: 72, independent unconditional: 91, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 1, independent conditional: 1, 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: 1, independent: 1, independent conditional: 0, independent unconditional: 1, 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: 180, independent: 162, independent conditional: 71, independent unconditional: 91, dependent: 17, dependent conditional: 4, dependent unconditional: 13, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 209, Positive cache size: 187, Positive conditional cache size: 40, Positive unconditional cache size: 147, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 45 PlacesBefore, 45 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, independent: 62, independent conditional: 62, 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: 76, independent: 62, independent conditional: 14, independent unconditional: 48, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 76, independent: 62, independent conditional: 14, independent unconditional: 48, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 76, independent: 62, independent conditional: 14, independent unconditional: 48, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 1, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 2, dependent conditional: 2, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 76, independent: 62, independent conditional: 14, independent unconditional: 48, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 187, Positive conditional cache size: 40, Positive unconditional cache size: 147, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3.9s, 51 PlacesBefore, 50 PlacesAfterwards, 50 TransitionsBefore, 49 TransitionsAfterwards, 520 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 360, independent: 324, independent conditional: 324, independent unconditional: 0, dependent: 36, dependent conditional: 36, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 360, independent: 324, independent conditional: 120, independent unconditional: 204, dependent: 36, dependent conditional: 6, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 360, independent: 324, independent conditional: 72, independent unconditional: 252, dependent: 36, dependent conditional: 2, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 360, independent: 324, independent conditional: 72, independent unconditional: 252, dependent: 36, dependent conditional: 2, dependent unconditional: 34, 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: 360, independent: 324, independent conditional: 72, independent unconditional: 252, dependent: 36, dependent conditional: 2, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 187, Positive conditional cache size: 40, Positive unconditional cache size: 147, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 52, Maximal queried relation: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 57 PlacesBefore, 57 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 596 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 256, independent: 236, independent conditional: 236, independent unconditional: 0, dependent: 20, dependent conditional: 20, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 256, independent: 236, independent conditional: 108, independent unconditional: 128, dependent: 20, dependent conditional: 4, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 256, independent: 236, independent conditional: 54, independent unconditional: 182, dependent: 20, dependent conditional: 1, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 256, independent: 236, independent conditional: 54, independent unconditional: 182, dependent: 20, dependent conditional: 1, dependent unconditional: 19, 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: 256, independent: 236, independent conditional: 54, independent unconditional: 182, dependent: 20, dependent conditional: 1, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 210, Positive cache size: 187, Positive conditional cache size: 40, Positive unconditional cache size: 147, Negative cache size: 23, Negative conditional cache size: 9, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57, Maximal queried relation: 0 - TimeoutResultAtElement [Line: 108]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 28 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 31ms.. - TimeoutResultAtElement [Line: 101]: 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 28 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 31ms.. - TimeoutResultAtElement [Line: 102]: 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 28 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 31ms.. - TimeoutResultAtElement [Line: 100]: 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 28 with TraceHistMax 1,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 31ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 408 locations, 4 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: 838.5s, OverallIterations: 10, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 5.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 8.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 900 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 900 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2090 IncrementalHoareTripleChecker+Invalid, 2120 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 3 mSDtfsCounter, 2090 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 135 GetRequests, 70 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=315occurred in iteration=4, InterpolantAutomatonStates: 59, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 273 ConstructedInterpolants, 0 QuantifiedInterpolants, 1125 SizeOfPredicates, 15 NumberOfNonLiveVariables, 591 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 6/9 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