/usr/bin/java -Xmx16000000000 -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/pthread-wmm/safe011_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:45:30,474 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:45:30,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:45:30,526 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:45:30,527 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:45:30,532 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:45:30,538 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:45:30,551 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:45:30,554 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:45:30,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:45:30,564 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:45:30,567 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:45:30,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:45:30,570 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:45:30,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:45:30,576 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:45:30,581 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:45:30,583 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:45:30,590 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:45:30,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:45:30,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:45:30,605 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:45:30,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:45:30,612 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:45:30,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:45:30,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:45:30,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:45:30,629 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:45:30,630 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:45:30,631 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:45:30,631 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:45:30,632 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:45:30,632 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:45:30,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:45:30,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:45:30,634 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:45:30,641 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 [2021-04-28 23:45:30,711 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:45:30,712 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:45:30,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:45:30,720 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:45:30,720 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:45:30,720 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:45:30,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:45:30,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:45:30,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:45:30,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:45:30,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:45:30,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:45:30,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:45:30,724 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:45:30,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:45:30,724 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:45:30,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:45:30,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:45:30,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:45:30,725 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:45:30,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:45:30,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:45:30,726 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:45:30,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:45:30,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:45:30,727 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:45:30,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:45:30,727 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:45:30,727 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:45:30,727 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:45:30,728 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:45:31,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:45:31,257 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:45:31,261 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:45:31,263 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:45:31,263 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:45:31,264 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i [2021-04-28 23:45:31,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2d6270/01716e4190b348f2b14885c4f7dcf235/FLAG369a6ccac [2021-04-28 23:45:32,410 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:45:32,411 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i [2021-04-28 23:45:32,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2d6270/01716e4190b348f2b14885c4f7dcf235/FLAG369a6ccac [2021-04-28 23:45:32,616 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a2d6270/01716e4190b348f2b14885c4f7dcf235 [2021-04-28 23:45:32,621 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:45:32,678 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:45:32,680 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:45:32,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:45:32,686 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:45:32,687 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:45:32" (1/1) ... [2021-04-28 23:45:32,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b4db5f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:32, skipping insertion in model container [2021-04-28 23:45:32,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:45:32" (1/1) ... [2021-04-28 23:45:32,701 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:45:32,757 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:45:32,966 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i[952,965] [2021-04-28 23:45:33,392 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:45:33,413 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:45:33,440 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe011_power.oepc.i[952,965] [2021-04-28 23:45:33,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:45:33,646 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:45:33,647 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33 WrapperNode [2021-04-28 23:45:33,648 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:45:33,649 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:45:33,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:45:33,650 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:45:33,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,687 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,733 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:45:33,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:45:33,735 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:45:33,735 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:45:33,747 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,747 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,777 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... [2021-04-28 23:45:33,807 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:45:33,808 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:45:33,808 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:45:33,809 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:45:33,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:45:33,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:45:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:45:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:45:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:45:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:45:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:45:33,926 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:45:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 23:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 23:45:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:45:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:45:33,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:45:33,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:45:33,931 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:45:36,772 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:45:36,773 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:45:36,775 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:45:36 BoogieIcfgContainer [2021-04-28 23:45:36,775 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:45:36,777 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:45:36,777 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:45:36,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:45:36,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:45:32" (1/3) ... [2021-04-28 23:45:36,784 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd89f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:45:36, skipping insertion in model container [2021-04-28 23:45:36,784 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:45:33" (2/3) ... [2021-04-28 23:45:36,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7dd89f5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:45:36, skipping insertion in model container [2021-04-28 23:45:36,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:45:36" (3/3) ... [2021-04-28 23:45:36,788 INFO L111 eAbstractionObserver]: Analyzing ICFG safe011_power.oepc.i [2021-04-28 23:45:36,797 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:45:36,806 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:45:36,807 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:45:36,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,849 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,849 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,850 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,850 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,850 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,851 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,851 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,851 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,851 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,852 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,852 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,857 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,857 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,857 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,858 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,858 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,859 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,860 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,861 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,864 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,864 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,871 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,872 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,872 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,873 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,876 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,876 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,877 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,877 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,878 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,881 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,882 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,882 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,883 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,883 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:45:36,887 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:45:36,915 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 23:45:36,948 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:45:36,948 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:45:36,948 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:45:36,948 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:45:36,948 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:45:36,949 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:45:36,949 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:45:36,949 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:45:36,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:45:37,039 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:45:37,040 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:45:37,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 69 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:45:37,065 INFO L82 GeneralOperation]: Start removeDead. Operand has 105 places, 97 transitions, 209 flow [2021-04-28 23:45:37,072 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:37,076 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:45:37,099 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:37,107 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:37,109 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 102 places, 94 transitions, 197 flow [2021-04-28 23:45:37,135 INFO L129 PetriNetUnfolder]: 2/94 cut-off events. [2021-04-28 23:45:37,135 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:45:37,136 INFO L84 FinitePrefix]: Finished finitePrefix Result has 104 conditions, 94 events. 2/94 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 67 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-04-28 23:45:37,140 INFO L146 LiptonReduction]: Number of co-enabled transitions 1694 [2021-04-28 23:45:38,578 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:45:41,509 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:45:42,033 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:45:44,731 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:45:45,981 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:45:46,532 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:45:46,662 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:45:47,317 WARN L205 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 23:45:47,602 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:45:48,097 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 23:45:48,248 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-04-28 23:45:48,675 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 23:45:48,830 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 23:45:51,301 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:45:51,886 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:45:54,575 WARN L205 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:45:56,023 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:45:57,480 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:45:58,189 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:46:01,140 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:46:02,462 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:46:04,176 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:46:04,895 WARN L205 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:08,262 WARN L205 SmtUtils]: Spent 3.36 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:46:09,757 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:46:13,174 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:13,885 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:17,160 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:46:18,553 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:46:20,161 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:46:20,888 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:46:24,137 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:46:25,613 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:46:27,240 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:27,964 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:31,005 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:46:32,403 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:46:34,042 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:46:34,745 WARN L205 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:46:37,966 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:46:39,387 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:46:43,750 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:46:44,615 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:46:48,494 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:46:50,259 WARN L205 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:46:52,450 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-28 23:46:53,364 WARN L205 SmtUtils]: Spent 910.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-28 23:46:57,537 WARN L205 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:46:59,393 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:47:01,418 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-28 23:47:02,298 WARN L205 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-28 23:47:06,627 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:47:08,750 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:47:11,537 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:11,681 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:11,832 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:11,975 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:47:12,113 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:12,256 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:12,394 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:12,535 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:47:12,658 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:12,783 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:12,896 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,010 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,129 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:13,244 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:13,362 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:13,476 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:13,605 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,719 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,840 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:13,964 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:14,136 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:14,299 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:14,455 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:14,613 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:47:14,729 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:14,841 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:14,977 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:15,099 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:15,223 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:15,339 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:15,464 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:15,589 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:47:15,710 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:15,856 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:15,973 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:16,088 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:47:17,636 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:17,776 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:17,915 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:18,054 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:47:18,492 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:18,632 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:18,772 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:18,904 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2021-04-28 23:47:20,986 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:21,181 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:21,362 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:21,551 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:47:21,740 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:21,931 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:22,148 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:22,351 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:22,552 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:22,762 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:22,993 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:23,222 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:23,398 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:23,570 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:23,738 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:23,917 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:24,121 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:24,329 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:24,527 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:24,730 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:47:24,974 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:25,212 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:25,457 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:25,713 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:47:25,916 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:26,103 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:26,281 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:26,465 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:26,685 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:47:26,913 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:47:27,124 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:47:27,343 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 23:47:27,567 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:27,774 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:27,971 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:28,166 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:47:28,339 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:28,508 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:28,671 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:28,835 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:47:29,067 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:29,178 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:29,289 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:29,400 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:29,610 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:47:29,713 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:47:29,815 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:47:29,929 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,044 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,156 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,270 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,384 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,497 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,610 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,726 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:30,836 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:30,942 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,052 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,163 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,273 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,382 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,489 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:31,600 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-28 23:47:32,136 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:32,318 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:32,496 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:32,674 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-28 23:47:32,785 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:32,899 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:33,012 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:33,130 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:47:33,320 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:33,523 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:33,712 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:33,899 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-28 23:47:34,435 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:34,598 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:34,775 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:34,954 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:35,133 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:35,317 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:35,487 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:35,667 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:47:35,886 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:36,105 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:36,300 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:36,504 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:47:36,768 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:37,010 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:37,258 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:37,512 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:47:37,756 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:38,002 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:38,276 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:38,525 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:47:39,404 WARN L205 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:47:39,780 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:47:40,625 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-28 23:47:41,010 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-28 23:47:41,328 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:41,663 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:41,968 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:42,274 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:42,576 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:42,885 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:43,209 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:43,525 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:43,793 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:44,065 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:44,308 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:44,540 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:47:44,828 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:45,121 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:45,439 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:45,728 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:47:46,043 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:46,346 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:46,652 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:46,948 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:47,122 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:47,303 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:47,463 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:47,626 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:47:47,896 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:48,178 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:48,462 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:48,758 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 23:47:49,088 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:49,419 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:49,712 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:50,010 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:50,317 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:50,641 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:50,953 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:51,259 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 23:47:51,548 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:51,843 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:52,159 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:52,473 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:47:53,381 WARN L205 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:47:53,806 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:47:54,735 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-28 23:47:55,157 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 23:47:55,213 INFO L158 LiptonReduction]: Checked pairs total: 16823 [2021-04-28 23:47:55,213 INFO L160 LiptonReduction]: Total number of compositions: 223 [2021-04-28 23:47:55,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138145 [2021-04-28 23:47:55,240 INFO L129 PetriNetUnfolder]: 0/56 cut-off events. [2021-04-28 23:47:55,240 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:55,240 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:55,241 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 23:47:55,242 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:55,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:55,248 INFO L82 PathProgramCache]: Analyzing trace with hash 1194427, now seen corresponding path program 1 times [2021-04-28 23:47:55,259 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:55,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951540315] [2021-04-28 23:47:55,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:55,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:55,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:55,581 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:55,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951540315] [2021-04-28 23:47:55,583 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:55,583 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:47:55,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543939502] [2021-04-28 23:47:55,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:55,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:55,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:55,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:55,621 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 320 [2021-04-28 23:47:55,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 129 places, 121 transitions, 251 flow. Second operand has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2021-04-28 23:47:55,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:55,631 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 320 [2021-04-28 23:47:55,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:56,304 INFO L129 PetriNetUnfolder]: 329/771 cut-off events. [2021-04-28 23:47:56,304 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:56,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1325 conditions, 771 events. 329/771 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 131. Compared 5588 event pairs, 262 based on Foata normal form. 11/410 useless extension candidates. Maximal degree in co-relation 1256. Up to 401 conditions per place. [2021-04-28 23:47:56,312 INFO L132 encePairwiseOnDemand]: 303/320 looper letters, 9 selfloop transitions, 2 changer transitions 89/134 dead transitions. [2021-04-28 23:47:56,312 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 134 transitions, 375 flow [2021-04-28 23:47:56,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:56,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:56,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 787 transitions. [2021-04-28 23:47:56,338 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8197916666666667 [2021-04-28 23:47:56,339 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 787 transitions. [2021-04-28 23:47:56,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 787 transitions. [2021-04-28 23:47:56,343 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:56,346 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 787 transitions. [2021-04-28 23:47:56,353 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.3333333333333) internal successors, (787), 3 states have internal predecessors, (787), 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) [2021-04-28 23:47:56,366 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 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) [2021-04-28 23:47:56,368 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 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) [2021-04-28 23:47:56,370 INFO L185 Difference]: Start difference. First operand has 129 places, 121 transitions, 251 flow. Second operand 3 states and 787 transitions. [2021-04-28 23:47:56,371 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 134 transitions, 375 flow [2021-04-28 23:47:56,376 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 134 transitions, 372 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 23:47:56,379 INFO L241 Difference]: Finished difference. Result has 125 places, 41 transitions, 92 flow [2021-04-28 23:47:56,382 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=238, PETRI_DIFFERENCE_MINUEND_PLACES=123, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=92, PETRI_PLACES=125, PETRI_TRANSITIONS=41} [2021-04-28 23:47:56,383 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -4 predicate places. [2021-04-28 23:47:56,383 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:56,384 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 41 transitions, 92 flow [2021-04-28 23:47:56,384 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 41 transitions, 92 flow [2021-04-28 23:47:56,385 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 41 transitions, 92 flow [2021-04-28 23:47:56,392 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:47:56,392 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:56,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 151 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:47:56,393 INFO L146 LiptonReduction]: Number of co-enabled transitions 938 [2021-04-28 23:47:56,535 INFO L158 LiptonReduction]: Checked pairs total: 900 [2021-04-28 23:47:56,535 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:56,535 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 152 [2021-04-28 23:47:56,541 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 41 transitions, 92 flow [2021-04-28 23:47:56,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 245.66666666666666) internal successors, (737), 3 states have internal predecessors, (737), 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) [2021-04-28 23:47:56,544 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:56,545 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:56,545 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:47:56,545 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:56,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:56,547 INFO L82 PathProgramCache]: Analyzing trace with hash 2133158115, now seen corresponding path program 1 times [2021-04-28 23:47:56,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:56,550 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715198039] [2021-04-28 23:47:56,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:56,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:56,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:56,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [715198039] [2021-04-28 23:47:56,857 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:56,857 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:47:56,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446599653] [2021-04-28 23:47:56,858 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:47:56,859 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:56,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:47:56,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:47:56,866 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 248 out of 320 [2021-04-28 23:47:56,868 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 41 transitions, 92 flow. Second operand has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2021-04-28 23:47:56,869 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:56,869 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 248 of 320 [2021-04-28 23:47:56,869 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:56,892 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-04-28 23:47:56,892 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:56,894 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 149 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:47:56,895 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 12/41 dead transitions. [2021-04-28 23:47:56,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 41 transitions, 98 flow [2021-04-28 23:47:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:47:56,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:47:56,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 748 transitions. [2021-04-28 23:47:56,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7791666666666667 [2021-04-28 23:47:56,903 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 748 transitions. [2021-04-28 23:47:56,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 748 transitions. [2021-04-28 23:47:56,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:56,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 748 transitions. [2021-04-28 23:47:56,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.33333333333334) internal successors, (748), 3 states have internal predecessors, (748), 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) [2021-04-28 23:47:56,915 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 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) [2021-04-28 23:47:56,916 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 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) [2021-04-28 23:47:56,917 INFO L185 Difference]: Start difference. First operand has 50 places, 41 transitions, 92 flow. Second operand 3 states and 748 transitions. [2021-04-28 23:47:56,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 41 transitions, 98 flow [2021-04-28 23:47:56,917 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 41 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:56,919 INFO L241 Difference]: Finished difference. Result has 51 places, 29 transitions, 72 flow [2021-04-28 23:47:56,919 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=72, PETRI_PLACES=51, PETRI_TRANSITIONS=29} [2021-04-28 23:47:56,920 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -78 predicate places. [2021-04-28 23:47:56,920 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:56,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:47:56,921 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 29 transitions, 72 flow [2021-04-28 23:47:56,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 72 flow [2021-04-28 23:47:56,927 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-28 23:47:56,927 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:47:56,927 INFO L84 FinitePrefix]: Finished finitePrefix Result has 42 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 71 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:47:56,928 INFO L146 LiptonReduction]: Number of co-enabled transitions 468 [2021-04-28 23:47:57,422 INFO L158 LiptonReduction]: Checked pairs total: 576 [2021-04-28 23:47:57,423 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:57,423 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 503 [2021-04-28 23:47:57,424 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 72 flow [2021-04-28 23:47:57,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 248.66666666666666) internal successors, (746), 3 states have internal predecessors, (746), 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) [2021-04-28 23:47:57,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:57,425 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:57,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:47:57,426 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:57,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:57,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1703390230, now seen corresponding path program 1 times [2021-04-28 23:47:57,427 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:57,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900074283] [2021-04-28 23:47:57,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:57,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:57,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:57,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:57,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:57,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:47:57,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:57,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900074283] [2021-04-28 23:47:57,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:57,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:47:57,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329847817] [2021-04-28 23:47:57,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:47:57,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:57,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:47:57,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:47:57,522 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 320 [2021-04-28 23:47:57,524 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 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) [2021-04-28 23:47:57,524 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:57,524 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 320 [2021-04-28 23:47:57,525 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:57,573 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-28 23:47:57,573 INFO L130 PetriNetUnfolder]: For 4/6 co-relation queries the response was YES. [2021-04-28 23:47:57,573 INFO L84 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 40 events. 0/40 cut-off events. For 4/6 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 118 event pairs, 0 based on Foata normal form. 3/31 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 23:47:57,574 INFO L132 encePairwiseOnDemand]: 316/320 looper letters, 1 selfloop transitions, 3 changer transitions 2/30 dead transitions. [2021-04-28 23:47:57,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 87 flow [2021-04-28 23:47:57,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:57,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 855 transitions. [2021-04-28 23:47:57,580 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66796875 [2021-04-28 23:47:57,581 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 855 transitions. [2021-04-28 23:47:57,581 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 855 transitions. [2021-04-28 23:47:57,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:57,582 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 855 transitions. [2021-04-28 23:47:57,585 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:47:57,588 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 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) [2021-04-28 23:47:57,590 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 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) [2021-04-28 23:47:57,590 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 72 flow. Second operand 4 states and 855 transitions. [2021-04-28 23:47:57,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 87 flow [2021-04-28 23:47:57,591 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 30 transitions, 81 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:47:57,592 INFO L241 Difference]: Finished difference. Result has 42 places, 28 transitions, 80 flow [2021-04-28 23:47:57,592 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=80, PETRI_PLACES=42, PETRI_TRANSITIONS=28} [2021-04-28 23:47:57,592 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -87 predicate places. [2021-04-28 23:47:57,592 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:57,593 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 28 transitions, 80 flow [2021-04-28 23:47:57,593 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 28 transitions, 80 flow [2021-04-28 23:47:57,593 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 80 flow [2021-04-28 23:47:57,599 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-28 23:47:57,599 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-28 23:47:57,599 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 28 events. 0/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 58 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:47:57,600 INFO L146 LiptonReduction]: Number of co-enabled transitions 404 [2021-04-28 23:47:57,878 INFO L158 LiptonReduction]: Checked pairs total: 956 [2021-04-28 23:47:57,878 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:47:57,879 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 287 [2021-04-28 23:47:57,880 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 80 flow [2021-04-28 23:47:57,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 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) [2021-04-28 23:47:57,881 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:57,882 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:57,882 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:47:57,882 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:57,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:57,883 INFO L82 PathProgramCache]: Analyzing trace with hash -600192590, now seen corresponding path program 1 times [2021-04-28 23:47:57,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:57,883 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038932349] [2021-04-28 23:47:57,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:57,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:57,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:57,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:58,007 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:58,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:58,032 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038932349] [2021-04-28 23:47:58,032 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:58,032 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:47:58,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853137243] [2021-04-28 23:47:58,033 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:47:58,033 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:58,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:47:58,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:47:58,036 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 321 [2021-04-28 23:47:58,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 80 flow. Second operand has 4 states, 4 states have (on average 191.75) internal successors, (767), 4 states have internal predecessors, (767), 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) [2021-04-28 23:47:58,037 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:58,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 321 [2021-04-28 23:47:58,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:58,216 INFO L129 PetriNetUnfolder]: 77/195 cut-off events. [2021-04-28 23:47:58,216 INFO L130 PetriNetUnfolder]: For 91/94 co-relation queries the response was YES. [2021-04-28 23:47:58,217 INFO L84 FinitePrefix]: Finished finitePrefix Result has 388 conditions, 195 events. 77/195 cut-off events. For 91/94 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 901 event pairs, 17 based on Foata normal form. 4/159 useless extension candidates. Maximal degree in co-relation 376. Up to 120 conditions per place. [2021-04-28 23:47:58,219 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 10 selfloop transitions, 6 changer transitions 0/36 dead transitions. [2021-04-28 23:47:58,219 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 128 flow [2021-04-28 23:47:58,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:58,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:58,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 782 transitions. [2021-04-28 23:47:58,227 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6090342679127726 [2021-04-28 23:47:58,227 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 782 transitions. [2021-04-28 23:47:58,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 782 transitions. [2021-04-28 23:47:58,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:58,228 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 782 transitions. [2021-04-28 23:47:58,231 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 195.5) internal successors, (782), 4 states have internal predecessors, (782), 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) [2021-04-28 23:47:58,235 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:58,237 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:58,237 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 80 flow. Second operand 4 states and 782 transitions. [2021-04-28 23:47:58,237 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 128 flow [2021-04-28 23:47:58,239 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 36 transitions, 116 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-28 23:47:58,240 INFO L241 Difference]: Finished difference. Result has 42 places, 33 transitions, 109 flow [2021-04-28 23:47:58,240 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=42, PETRI_TRANSITIONS=33} [2021-04-28 23:47:58,241 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -87 predicate places. [2021-04-28 23:47:58,241 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:58,241 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 33 transitions, 109 flow [2021-04-28 23:47:58,241 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 33 transitions, 109 flow [2021-04-28 23:47:58,242 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 33 transitions, 109 flow [2021-04-28 23:47:58,258 INFO L129 PetriNetUnfolder]: 14/87 cut-off events. [2021-04-28 23:47:58,258 INFO L130 PetriNetUnfolder]: For 29/35 co-relation queries the response was YES. [2021-04-28 23:47:58,259 INFO L84 FinitePrefix]: Finished finitePrefix Result has 161 conditions, 87 events. 14/87 cut-off events. For 29/35 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 389 event pairs, 8 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 151. Up to 28 conditions per place. [2021-04-28 23:47:58,261 INFO L146 LiptonReduction]: Number of co-enabled transitions 456 [2021-04-28 23:47:58,465 INFO L158 LiptonReduction]: Checked pairs total: 198 [2021-04-28 23:47:58,465 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:58,465 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 224 [2021-04-28 23:47:58,466 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 33 transitions, 109 flow [2021-04-28 23:47:58,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 191.75) internal successors, (767), 4 states have internal predecessors, (767), 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) [2021-04-28 23:47:58,468 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:58,468 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:58,468 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:47:58,468 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:58,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:58,469 INFO L82 PathProgramCache]: Analyzing trace with hash 1751748124, now seen corresponding path program 1 times [2021-04-28 23:47:58,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:58,469 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44886888] [2021-04-28 23:47:58,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:58,565 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:58,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:58,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:58,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:58,616 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:58,618 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:47:58,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:58,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44886888] [2021-04-28 23:47:58,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:58,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:47:58,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1873178326] [2021-04-28 23:47:58,660 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:47:58,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:58,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:47:58,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:47:58,663 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 188 out of 321 [2021-04-28 23:47:58,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 33 transitions, 109 flow. Second operand has 5 states, 5 states have (on average 188.8) internal successors, (944), 5 states have internal predecessors, (944), 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) [2021-04-28 23:47:58,665 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:58,665 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 188 of 321 [2021-04-28 23:47:58,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:58,946 INFO L129 PetriNetUnfolder]: 72/198 cut-off events. [2021-04-28 23:47:58,947 INFO L130 PetriNetUnfolder]: For 127/153 co-relation queries the response was YES. [2021-04-28 23:47:58,948 INFO L84 FinitePrefix]: Finished finitePrefix Result has 460 conditions, 198 events. 72/198 cut-off events. For 127/153 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 967 event pairs, 24 based on Foata normal form. 10/158 useless extension candidates. Maximal degree in co-relation 448. Up to 100 conditions per place. [2021-04-28 23:47:58,949 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 13 selfloop transitions, 7 changer transitions 0/40 dead transitions. [2021-04-28 23:47:58,950 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 40 transitions, 169 flow [2021-04-28 23:47:58,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:58,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:58,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 770 transitions. [2021-04-28 23:47:58,957 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5996884735202492 [2021-04-28 23:47:58,957 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 770 transitions. [2021-04-28 23:47:58,957 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 770 transitions. [2021-04-28 23:47:58,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:58,958 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 770 transitions. [2021-04-28 23:47:58,961 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 192.5) internal successors, (770), 4 states have internal predecessors, (770), 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) [2021-04-28 23:47:58,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:58,967 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:58,967 INFO L185 Difference]: Start difference. First operand has 42 places, 33 transitions, 109 flow. Second operand 4 states and 770 transitions. [2021-04-28 23:47:58,967 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 40 transitions, 169 flow [2021-04-28 23:47:58,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 40 transitions, 169 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:47:58,970 INFO L241 Difference]: Finished difference. Result has 47 places, 36 transitions, 151 flow [2021-04-28 23:47:58,970 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=109, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=151, PETRI_PLACES=47, PETRI_TRANSITIONS=36} [2021-04-28 23:47:58,971 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -82 predicate places. [2021-04-28 23:47:58,971 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:58,971 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 36 transitions, 151 flow [2021-04-28 23:47:58,971 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 36 transitions, 151 flow [2021-04-28 23:47:58,972 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 151 flow [2021-04-28 23:47:58,995 INFO L129 PetriNetUnfolder]: 26/130 cut-off events. [2021-04-28 23:47:58,995 INFO L130 PetriNetUnfolder]: For 121/131 co-relation queries the response was YES. [2021-04-28 23:47:58,996 INFO L84 FinitePrefix]: Finished finitePrefix Result has 288 conditions, 130 events. 26/130 cut-off events. For 121/131 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 687 event pairs, 16 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 274. Up to 37 conditions per place. [2021-04-28 23:47:58,998 INFO L146 LiptonReduction]: Number of co-enabled transitions 476 [2021-04-28 23:47:59,026 INFO L158 LiptonReduction]: Checked pairs total: 123 [2021-04-28 23:47:59,026 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:59,026 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-04-28 23:47:59,028 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 151 flow [2021-04-28 23:47:59,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 188.8) internal successors, (944), 5 states have internal predecessors, (944), 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) [2021-04-28 23:47:59,029 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:59,029 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:59,029 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:47:59,029 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:59,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:59,030 INFO L82 PathProgramCache]: Analyzing trace with hash -1283185130, now seen corresponding path program 1 times [2021-04-28 23:47:59,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:59,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917864188] [2021-04-28 23:47:59,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:59,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:47:59,197 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-04-28 23:47:59,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-28 23:47:59,265 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,267 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:47:59,269 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,270 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:59,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917864188] [2021-04-28 23:47:59,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:59,296 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:47:59,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801290698] [2021-04-28 23:47:59,296 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:47:59,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:59,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:47:59,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:47:59,299 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 321 [2021-04-28 23:47:59,301 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 151 flow. Second operand has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 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) [2021-04-28 23:47:59,301 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:59,301 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 321 [2021-04-28 23:47:59,301 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:47:59,527 INFO L129 PetriNetUnfolder]: 70/198 cut-off events. [2021-04-28 23:47:59,528 INFO L130 PetriNetUnfolder]: For 211/243 co-relation queries the response was YES. [2021-04-28 23:47:59,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 198 events. 70/198 cut-off events. For 211/243 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 981 event pairs, 8 based on Foata normal form. 8/156 useless extension candidates. Maximal degree in co-relation 541. Up to 107 conditions per place. [2021-04-28 23:47:59,531 INFO L132 encePairwiseOnDemand]: 316/321 looper letters, 14 selfloop transitions, 7 changer transitions 0/41 dead transitions. [2021-04-28 23:47:59,531 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 211 flow [2021-04-28 23:47:59,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:47:59,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:47:59,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 705 transitions. [2021-04-28 23:47:59,537 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5490654205607477 [2021-04-28 23:47:59,538 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 705 transitions. [2021-04-28 23:47:59,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 705 transitions. [2021-04-28 23:47:59,538 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:47:59,539 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 705 transitions. [2021-04-28 23:47:59,541 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 176.25) internal successors, (705), 4 states have internal predecessors, (705), 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) [2021-04-28 23:47:59,544 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:59,545 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 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) [2021-04-28 23:47:59,545 INFO L185 Difference]: Start difference. First operand has 47 places, 36 transitions, 151 flow. Second operand 4 states and 705 transitions. [2021-04-28 23:47:59,546 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 211 flow [2021-04-28 23:47:59,548 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 41 transitions, 203 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-04-28 23:47:59,549 INFO L241 Difference]: Finished difference. Result has 50 places, 38 transitions, 176 flow [2021-04-28 23:47:59,550 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=143, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=176, PETRI_PLACES=50, PETRI_TRANSITIONS=38} [2021-04-28 23:47:59,550 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -79 predicate places. [2021-04-28 23:47:59,550 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:47:59,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 38 transitions, 176 flow [2021-04-28 23:47:59,550 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 38 transitions, 176 flow [2021-04-28 23:47:59,551 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 38 transitions, 176 flow [2021-04-28 23:47:59,572 INFO L129 PetriNetUnfolder]: 29/109 cut-off events. [2021-04-28 23:47:59,573 INFO L130 PetriNetUnfolder]: For 189/211 co-relation queries the response was YES. [2021-04-28 23:47:59,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 109 events. 29/109 cut-off events. For 189/211 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 457 event pairs, 6 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 277. Up to 34 conditions per place. [2021-04-28 23:47:59,575 INFO L146 LiptonReduction]: Number of co-enabled transitions 492 [2021-04-28 23:47:59,632 INFO L158 LiptonReduction]: Checked pairs total: 150 [2021-04-28 23:47:59,632 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:47:59,632 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 82 [2021-04-28 23:47:59,633 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 38 transitions, 176 flow [2021-04-28 23:47:59,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 173.0) internal successors, (865), 5 states have internal predecessors, (865), 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) [2021-04-28 23:47:59,634 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:47:59,634 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:47:59,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:47:59,635 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:47:59,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:47:59,635 INFO L82 PathProgramCache]: Analyzing trace with hash 9404530, now seen corresponding path program 1 times [2021-04-28 23:47:59,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:47:59,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [530275344] [2021-04-28 23:47:59,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:47:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:47:59,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:47:59,720 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-04-28 23:47:59,722 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-28 23:47:59,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,763 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:47:59,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:47:59,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:47:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:47:59,791 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [530275344] [2021-04-28 23:47:59,791 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:47:59,792 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:47:59,792 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674856768] [2021-04-28 23:47:59,792 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:47:59,792 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:47:59,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:47:59,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:47:59,795 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 321 [2021-04-28 23:47:59,796 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 38 transitions, 176 flow. Second operand has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-04-28 23:47:59,796 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:47:59,797 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 321 [2021-04-28 23:47:59,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:00,091 INFO L129 PetriNetUnfolder]: 79/242 cut-off events. [2021-04-28 23:48:00,091 INFO L130 PetriNetUnfolder]: For 371/425 co-relation queries the response was YES. [2021-04-28 23:48:00,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 682 conditions, 242 events. 79/242 cut-off events. For 371/425 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1386 event pairs, 4 based on Foata normal form. 11/190 useless extension candidates. Maximal degree in co-relation 664. Up to 88 conditions per place. [2021-04-28 23:48:00,095 INFO L132 encePairwiseOnDemand]: 314/321 looper letters, 16 selfloop transitions, 11 changer transitions 0/47 dead transitions. [2021-04-28 23:48:00,095 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 47 transitions, 268 flow [2021-04-28 23:48:00,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:48:00,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:48:00,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1166 transitions. [2021-04-28 23:48:00,102 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6053997923156802 [2021-04-28 23:48:00,102 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1166 transitions. [2021-04-28 23:48:00,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1166 transitions. [2021-04-28 23:48:00,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:00,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1166 transitions. [2021-04-28 23:48:00,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 194.33333333333334) internal successors, (1166), 6 states have internal predecessors, (1166), 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) [2021-04-28 23:48:00,112 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2021-04-28 23:48:00,113 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 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) [2021-04-28 23:48:00,114 INFO L185 Difference]: Start difference. First operand has 50 places, 38 transitions, 176 flow. Second operand 6 states and 1166 transitions. [2021-04-28 23:48:00,114 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 47 transitions, 268 flow [2021-04-28 23:48:00,117 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 47 transitions, 257 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:00,118 INFO L241 Difference]: Finished difference. Result has 54 places, 41 transitions, 219 flow [2021-04-28 23:48:00,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=165, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=219, PETRI_PLACES=54, PETRI_TRANSITIONS=41} [2021-04-28 23:48:00,119 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -75 predicate places. [2021-04-28 23:48:00,119 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:00,119 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 41 transitions, 219 flow [2021-04-28 23:48:00,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 41 transitions, 219 flow [2021-04-28 23:48:00,120 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 41 transitions, 219 flow [2021-04-28 23:48:00,146 INFO L129 PetriNetUnfolder]: 34/141 cut-off events. [2021-04-28 23:48:00,146 INFO L130 PetriNetUnfolder]: For 230/261 co-relation queries the response was YES. [2021-04-28 23:48:00,147 INFO L84 FinitePrefix]: Finished finitePrefix Result has 400 conditions, 141 events. 34/141 cut-off events. For 230/261 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 695 event pairs, 10 based on Foata normal form. 0/102 useless extension candidates. Maximal degree in co-relation 383. Up to 47 conditions per place. [2021-04-28 23:48:00,149 INFO L146 LiptonReduction]: Number of co-enabled transitions 536 [2021-04-28 23:48:00,440 INFO L158 LiptonReduction]: Checked pairs total: 188 [2021-04-28 23:48:00,440 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:00,441 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 322 [2021-04-28 23:48:00,442 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 41 transitions, 219 flow [2021-04-28 23:48:00,443 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 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) [2021-04-28 23:48:00,443 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:00,443 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:00,443 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:48:00,444 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:00,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:00,444 INFO L82 PathProgramCache]: Analyzing trace with hash -987450092, now seen corresponding path program 1 times [2021-04-28 23:48:00,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:00,444 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849516780] [2021-04-28 23:48:00,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:00,514 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:00,516 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:00,526 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:00,528 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:00,554 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:00,556 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:00,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:00,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849516780] [2021-04-28 23:48:00,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:00,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:48:00,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1894698162] [2021-04-28 23:48:00,557 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:48:00,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:00,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:48:00,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:48:00,561 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:00,563 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 41 transitions, 219 flow. Second operand has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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) [2021-04-28 23:48:00,563 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:00,563 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:00,563 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:00,984 INFO L129 PetriNetUnfolder]: 837/1557 cut-off events. [2021-04-28 23:48:00,984 INFO L130 PetriNetUnfolder]: For 2433/2551 co-relation queries the response was YES. [2021-04-28 23:48:00,992 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4086 conditions, 1557 events. 837/1557 cut-off events. For 2433/2551 co-relation queries the response was YES. Maximal size of possible extension queue 360. Compared 11458 event pairs, 411 based on Foata normal form. 139/943 useless extension candidates. Maximal degree in co-relation 4067. Up to 1009 conditions per place. [2021-04-28 23:48:01,004 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 20 selfloop transitions, 20 changer transitions 1/69 dead transitions. [2021-04-28 23:48:01,004 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 69 transitions, 355 flow [2021-04-28 23:48:01,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:48:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:48:01,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1227 transitions. [2021-04-28 23:48:01,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7644859813084112 [2021-04-28 23:48:01,012 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1227 transitions. [2021-04-28 23:48:01,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1227 transitions. [2021-04-28 23:48:01,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:01,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1227 transitions. [2021-04-28 23:48:01,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 245.4) internal successors, (1227), 5 states have internal predecessors, (1227), 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) [2021-04-28 23:48:01,021 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 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) [2021-04-28 23:48:01,022 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 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) [2021-04-28 23:48:01,023 INFO L185 Difference]: Start difference. First operand has 54 places, 41 transitions, 219 flow. Second operand 5 states and 1227 transitions. [2021-04-28 23:48:01,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 69 transitions, 355 flow [2021-04-28 23:48:01,029 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 69 transitions, 336 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-28 23:48:01,031 INFO L241 Difference]: Finished difference. Result has 58 places, 59 transitions, 348 flow [2021-04-28 23:48:01,031 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=200, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=348, PETRI_PLACES=58, PETRI_TRANSITIONS=59} [2021-04-28 23:48:01,032 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -71 predicate places. [2021-04-28 23:48:01,032 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:01,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 59 transitions, 348 flow [2021-04-28 23:48:01,032 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 59 transitions, 348 flow [2021-04-28 23:48:01,033 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 59 transitions, 348 flow [2021-04-28 23:48:01,273 INFO L129 PetriNetUnfolder]: 840/1558 cut-off events. [2021-04-28 23:48:01,274 INFO L130 PetriNetUnfolder]: For 2561/2758 co-relation queries the response was YES. [2021-04-28 23:48:01,284 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5078 conditions, 1558 events. 840/1558 cut-off events. For 2561/2758 co-relation queries the response was YES. Maximal size of possible extension queue 231. Compared 10984 event pairs, 382 based on Foata normal form. 22/842 useless extension candidates. Maximal degree in co-relation 5059. Up to 1121 conditions per place. [2021-04-28 23:48:01,306 INFO L146 LiptonReduction]: Number of co-enabled transitions 790 [2021-04-28 23:48:01,377 INFO L158 LiptonReduction]: Checked pairs total: 140 [2021-04-28 23:48:01,377 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:01,377 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 345 [2021-04-28 23:48:01,378 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 59 transitions, 348 flow [2021-04-28 23:48:01,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 237.75) internal successors, (951), 4 states have internal predecessors, (951), 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) [2021-04-28 23:48:01,379 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:01,379 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:01,380 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:48:01,380 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:01,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:01,380 INFO L82 PathProgramCache]: Analyzing trace with hash 98090623, now seen corresponding path program 1 times [2021-04-28 23:48:01,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:01,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839566770] [2021-04-28 23:48:01,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:01,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:01,468 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,469 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:01,482 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:01,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:01,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:01,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:01,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:01,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839566770] [2021-04-28 23:48:01,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:01,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:48:01,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726294792] [2021-04-28 23:48:01,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:48:01,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:01,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:48:01,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:48:01,516 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:01,518 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 59 transitions, 348 flow. Second operand has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 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) [2021-04-28 23:48:01,518 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:01,518 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:01,518 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:02,062 INFO L129 PetriNetUnfolder]: 570/1283 cut-off events. [2021-04-28 23:48:02,063 INFO L130 PetriNetUnfolder]: For 1917/5397 co-relation queries the response was YES. [2021-04-28 23:48:02,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5138 conditions, 1283 events. 570/1283 cut-off events. For 1917/5397 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 10151 event pairs, 75 based on Foata normal form. 207/818 useless extension candidates. Maximal degree in co-relation 5117. Up to 986 conditions per place. [2021-04-28 23:48:02,079 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 11 selfloop transitions, 39 changer transitions 9/87 dead transitions. [2021-04-28 23:48:02,079 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 87 transitions, 632 flow [2021-04-28 23:48:02,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:48:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:48:02,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1720 transitions. [2021-04-28 23:48:02,089 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7654650645304851 [2021-04-28 23:48:02,089 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1720 transitions. [2021-04-28 23:48:02,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1720 transitions. [2021-04-28 23:48:02,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:02,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1720 transitions. [2021-04-28 23:48:02,096 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 245.71428571428572) internal successors, (1720), 7 states have internal predecessors, (1720), 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) [2021-04-28 23:48:02,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 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) [2021-04-28 23:48:02,103 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 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) [2021-04-28 23:48:02,104 INFO L185 Difference]: Start difference. First operand has 57 places, 59 transitions, 348 flow. Second operand 7 states and 1720 transitions. [2021-04-28 23:48:02,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 87 transitions, 632 flow [2021-04-28 23:48:02,116 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 87 transitions, 622 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 23:48:02,119 INFO L241 Difference]: Finished difference. Result has 65 places, 78 transitions, 599 flow [2021-04-28 23:48:02,119 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=338, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=599, PETRI_PLACES=65, PETRI_TRANSITIONS=78} [2021-04-28 23:48:02,120 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -64 predicate places. [2021-04-28 23:48:02,120 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:02,120 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 78 transitions, 599 flow [2021-04-28 23:48:02,120 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 78 transitions, 599 flow [2021-04-28 23:48:02,121 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 78 transitions, 599 flow [2021-04-28 23:48:02,312 INFO L129 PetriNetUnfolder]: 472/1133 cut-off events. [2021-04-28 23:48:02,313 INFO L130 PetriNetUnfolder]: For 2687/2925 co-relation queries the response was YES. [2021-04-28 23:48:02,321 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5032 conditions, 1133 events. 472/1133 cut-off events. For 2687/2925 co-relation queries the response was YES. Maximal size of possible extension queue 187. Compared 9063 event pairs, 74 based on Foata normal form. 10/626 useless extension candidates. Maximal degree in co-relation 5009. Up to 824 conditions per place. [2021-04-28 23:48:02,340 INFO L146 LiptonReduction]: Number of co-enabled transitions 910 [2021-04-28 23:48:02,421 INFO L158 LiptonReduction]: Checked pairs total: 168 [2021-04-28 23:48:02,421 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:02,421 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 301 [2021-04-28 23:48:02,422 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 78 transitions, 599 flow [2021-04-28 23:48:02,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 237.8) internal successors, (1189), 5 states have internal predecessors, (1189), 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) [2021-04-28 23:48:02,423 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:02,423 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:02,423 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 23:48:02,423 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:02,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:02,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1311885478, now seen corresponding path program 1 times [2021-04-28 23:48:02,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:02,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330264332] [2021-04-28 23:48:02,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:02,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:02,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:02,489 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:02,490 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:02,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:02,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:02,500 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330264332] [2021-04-28 23:48:02,500 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:02,500 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:48:02,500 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406014181] [2021-04-28 23:48:02,500 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:48:02,500 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:02,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:48:02,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:48:02,503 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 321 [2021-04-28 23:48:02,504 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 78 transitions, 599 flow. Second operand has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2021-04-28 23:48:02,504 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:02,504 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 321 [2021-04-28 23:48:02,504 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:02,897 INFO L129 PetriNetUnfolder]: 851/2022 cut-off events. [2021-04-28 23:48:02,897 INFO L130 PetriNetUnfolder]: For 6025/9245 co-relation queries the response was YES. [2021-04-28 23:48:02,911 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8929 conditions, 2022 events. 851/2022 cut-off events. For 6025/9245 co-relation queries the response was YES. Maximal size of possible extension queue 417. Compared 17871 event pairs, 130 based on Foata normal form. 72/1071 useless extension candidates. Maximal degree in co-relation 8904. Up to 1559 conditions per place. [2021-04-28 23:48:02,922 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 2 changer transitions 1/79 dead transitions. [2021-04-28 23:48:02,923 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 79 transitions, 612 flow [2021-04-28 23:48:02,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:48:02,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:48:02,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 666 transitions. [2021-04-28 23:48:02,930 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6915887850467289 [2021-04-28 23:48:02,930 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 666 transitions. [2021-04-28 23:48:02,930 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 666 transitions. [2021-04-28 23:48:02,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:02,931 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 666 transitions. [2021-04-28 23:48:02,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 222.0) internal successors, (666), 3 states have internal predecessors, (666), 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) [2021-04-28 23:48:02,936 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 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) [2021-04-28 23:48:02,937 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 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) [2021-04-28 23:48:02,937 INFO L185 Difference]: Start difference. First operand has 65 places, 78 transitions, 599 flow. Second operand 3 states and 666 transitions. [2021-04-28 23:48:02,937 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 79 transitions, 612 flow [2021-04-28 23:48:03,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 79 transitions, 517 flow, removed 37 selfloop flow, removed 2 redundant places. [2021-04-28 23:48:03,082 INFO L241 Difference]: Finished difference. Result has 66 places, 78 transitions, 515 flow [2021-04-28 23:48:03,083 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=504, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=515, PETRI_PLACES=66, PETRI_TRANSITIONS=78} [2021-04-28 23:48:03,084 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -63 predicate places. [2021-04-28 23:48:03,084 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:03,084 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 78 transitions, 515 flow [2021-04-28 23:48:03,084 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 78 transitions, 515 flow [2021-04-28 23:48:03,085 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 78 transitions, 515 flow [2021-04-28 23:48:03,397 INFO L129 PetriNetUnfolder]: 862/2034 cut-off events. [2021-04-28 23:48:03,397 INFO L130 PetriNetUnfolder]: For 4295/4362 co-relation queries the response was YES. [2021-04-28 23:48:03,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7543 conditions, 2034 events. 862/2034 cut-off events. For 4295/4362 co-relation queries the response was YES. Maximal size of possible extension queue 349. Compared 18133 event pairs, 132 based on Foata normal form. 9/1078 useless extension candidates. Maximal degree in co-relation 7519. Up to 785 conditions per place. [2021-04-28 23:48:03,485 INFO L146 LiptonReduction]: Number of co-enabled transitions 834 [2021-04-28 23:48:04,014 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:48:04,014 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:48:04,015 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 931 [2021-04-28 23:48:04,016 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 78 transitions, 515 flow [2021-04-28 23:48:04,018 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 221.33333333333334) internal successors, (664), 3 states have internal predecessors, (664), 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) [2021-04-28 23:48:04,018 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:04,018 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:04,018 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 23:48:04,018 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:04,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:04,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1058654730, now seen corresponding path program 1 times [2021-04-28 23:48:04,019 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:04,019 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096419204] [2021-04-28 23:48:04,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:04,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:04,166 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:04,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:04,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:04,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:04,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:04,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:48:04,209 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 23:48:04,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:04,242 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:04,243 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:48:04,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:04,244 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096419204] [2021-04-28 23:48:04,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:04,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:48:04,245 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20456784] [2021-04-28 23:48:04,245 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:48:04,245 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:04,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:48:04,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:48:04,248 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 237 out of 321 [2021-04-28 23:48:04,250 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 78 transitions, 515 flow. Second operand has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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) [2021-04-28 23:48:04,250 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:04,250 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 237 of 321 [2021-04-28 23:48:04,250 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:04,920 INFO L129 PetriNetUnfolder]: 599/1580 cut-off events. [2021-04-28 23:48:04,920 INFO L130 PetriNetUnfolder]: For 3286/6486 co-relation queries the response was YES. [2021-04-28 23:48:04,930 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6896 conditions, 1580 events. 599/1580 cut-off events. For 3286/6486 co-relation queries the response was YES. Maximal size of possible extension queue 400. Compared 14432 event pairs, 4 based on Foata normal form. 313/1024 useless extension candidates. Maximal degree in co-relation 6870. Up to 585 conditions per place. [2021-04-28 23:48:04,937 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 2 selfloop transitions, 49 changer transitions 15/88 dead transitions. [2021-04-28 23:48:04,937 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 88 transitions, 713 flow [2021-04-28 23:48:04,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:48:04,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:48:04,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2195 transitions. [2021-04-28 23:48:04,948 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7597784700588439 [2021-04-28 23:48:04,948 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2195 transitions. [2021-04-28 23:48:04,948 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2195 transitions. [2021-04-28 23:48:04,950 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:04,950 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2195 transitions. [2021-04-28 23:48:04,956 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 243.88888888888889) internal successors, (2195), 9 states have internal predecessors, (2195), 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) [2021-04-28 23:48:04,963 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 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) [2021-04-28 23:48:04,972 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 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) [2021-04-28 23:48:04,972 INFO L185 Difference]: Start difference. First operand has 65 places, 78 transitions, 515 flow. Second operand 9 states and 2195 transitions. [2021-04-28 23:48:04,973 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 88 transitions, 713 flow [2021-04-28 23:48:05,006 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 88 transitions, 691 flow, removed 6 selfloop flow, removed 3 redundant places. [2021-04-28 23:48:05,009 INFO L241 Difference]: Finished difference. Result has 73 places, 73 transitions, 596 flow [2021-04-28 23:48:05,010 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=493, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=78, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=596, PETRI_PLACES=73, PETRI_TRANSITIONS=73} [2021-04-28 23:48:05,010 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -56 predicate places. [2021-04-28 23:48:05,010 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:05,010 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 73 transitions, 596 flow [2021-04-28 23:48:05,010 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 73 transitions, 596 flow [2021-04-28 23:48:05,011 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 73 transitions, 596 flow [2021-04-28 23:48:05,096 INFO L129 PetriNetUnfolder]: 227/666 cut-off events. [2021-04-28 23:48:05,096 INFO L130 PetriNetUnfolder]: For 1135/1152 co-relation queries the response was YES. [2021-04-28 23:48:05,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2929 conditions, 666 events. 227/666 cut-off events. For 1135/1152 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 5332 event pairs, 1 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 2903. Up to 270 conditions per place. [2021-04-28 23:48:05,108 INFO L146 LiptonReduction]: Number of co-enabled transitions 524 [2021-04-28 23:48:05,855 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-04-28 23:48:06,116 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-28 23:48:07,372 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-04-28 23:48:07,912 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 23:48:08,785 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:48:09,202 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-04-28 23:48:10,137 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 85 [2021-04-28 23:48:10,263 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:10,335 INFO L158 LiptonReduction]: Checked pairs total: 115 [2021-04-28 23:48:10,336 INFO L160 LiptonReduction]: Total number of compositions: 7 [2021-04-28 23:48:10,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5326 [2021-04-28 23:48:10,337 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 74 transitions, 622 flow [2021-04-28 23:48:10,339 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 237.83333333333334) internal successors, (1427), 6 states have internal predecessors, (1427), 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) [2021-04-28 23:48:10,339 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:10,339 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:10,339 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 23:48:10,339 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:10,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:10,340 INFO L82 PathProgramCache]: Analyzing trace with hash -657876484, now seen corresponding path program 1 times [2021-04-28 23:48:10,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:10,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863457345] [2021-04-28 23:48:10,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:48:10,442 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:48:10,470 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-28 23:48:10,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:48:10,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 23:48:10,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 23:48:10,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:48:10,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-28 23:48:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:48:10,730 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863457345] [2021-04-28 23:48:10,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:48:10,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 23:48:10,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481632980] [2021-04-28 23:48:10,731 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-28 23:48:10,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:48:10,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-28 23:48:10,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-04-28 23:48:10,735 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 328 [2021-04-28 23:48:10,737 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 74 transitions, 622 flow. Second operand has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 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) [2021-04-28 23:48:10,737 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:48:10,737 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 328 [2021-04-28 23:48:10,737 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:48:11,347 INFO L129 PetriNetUnfolder]: 417/1194 cut-off events. [2021-04-28 23:48:11,347 INFO L130 PetriNetUnfolder]: For 3709/4534 co-relation queries the response was YES. [2021-04-28 23:48:11,353 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5464 conditions, 1194 events. 417/1194 cut-off events. For 3709/4534 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 10865 event pairs, 0 based on Foata normal form. 54/602 useless extension candidates. Maximal degree in co-relation 5436. Up to 495 conditions per place. [2021-04-28 23:48:11,358 INFO L132 encePairwiseOnDemand]: 317/328 looper letters, 7 selfloop transitions, 9 changer transitions 7/78 dead transitions. [2021-04-28 23:48:11,358 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 78 transitions, 702 flow [2021-04-28 23:48:11,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 23:48:11,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 23:48:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2021-04-28 23:48:11,365 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5248983739837398 [2021-04-28 23:48:11,365 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1033 transitions. [2021-04-28 23:48:11,366 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1033 transitions. [2021-04-28 23:48:11,367 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:48:11,367 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1033 transitions. [2021-04-28 23:48:11,370 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 172.16666666666666) internal successors, (1033), 6 states have internal predecessors, (1033), 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) [2021-04-28 23:48:11,374 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 328.0) internal successors, (2296), 7 states have internal predecessors, (2296), 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) [2021-04-28 23:48:11,374 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 328.0) internal successors, (2296), 7 states have internal predecessors, (2296), 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) [2021-04-28 23:48:11,375 INFO L185 Difference]: Start difference. First operand has 71 places, 74 transitions, 622 flow. Second operand 6 states and 1033 transitions. [2021-04-28 23:48:11,375 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 78 transitions, 702 flow [2021-04-28 23:48:11,450 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 78 transitions, 510 flow, removed 40 selfloop flow, removed 13 redundant places. [2021-04-28 23:48:11,452 INFO L241 Difference]: Finished difference. Result has 65 places, 70 transitions, 449 flow [2021-04-28 23:48:11,452 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=328, PETRI_DIFFERENCE_MINUEND_FLOW=438, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=449, PETRI_PLACES=65, PETRI_TRANSITIONS=70} [2021-04-28 23:48:11,453 INFO L343 CegarLoopForPetriNet]: 129 programPoint places, -64 predicate places. [2021-04-28 23:48:11,453 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:48:11,453 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 70 transitions, 449 flow [2021-04-28 23:48:11,454 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 70 transitions, 449 flow [2021-04-28 23:48:11,454 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 70 transitions, 449 flow [2021-04-28 23:48:11,547 INFO L129 PetriNetUnfolder]: 196/575 cut-off events. [2021-04-28 23:48:11,548 INFO L130 PetriNetUnfolder]: For 490/491 co-relation queries the response was YES. [2021-04-28 23:48:11,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1934 conditions, 575 events. 196/575 cut-off events. For 490/491 co-relation queries the response was YES. Maximal size of possible extension queue 176. Compared 4608 event pairs, 1 based on Foata normal form. 0/298 useless extension candidates. Maximal degree in co-relation 1913. Up to 225 conditions per place. [2021-04-28 23:48:11,556 INFO L146 LiptonReduction]: Number of co-enabled transitions 280 [2021-04-28 23:48:12,369 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-04-28 23:48:12,689 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:48:14,041 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 116 DAG size of output: 93 [2021-04-28 23:48:14,593 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:48:14,602 INFO L158 LiptonReduction]: Checked pairs total: 3 [2021-04-28 23:48:14,603 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 23:48:14,603 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3150 [2021-04-28 23:48:14,604 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 71 transitions, 455 flow [2021-04-28 23:48:14,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 170.0) internal successors, (1360), 8 states have internal predecessors, (1360), 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) [2021-04-28 23:48:14,604 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:48:14,605 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:48:14,605 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 23:48:14,605 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:48:14,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:48:14,605 INFO L82 PathProgramCache]: Analyzing trace with hash -965812320, now seen corresponding path program 1 times [2021-04-28 23:48:14,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:48:14,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428747008] [2021-04-28 23:48:14,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:48:14,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:14,665 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:48:14,720 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:48:14,762 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:48:14,762 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:48:14,762 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-28 23:48:14,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:48:14 BasicIcfg [2021-04-28 23:48:14,855 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:48:14,856 INFO L168 Benchmark]: Toolchain (without parser) took 162232.28 ms. Allocated memory was 302.0 MB in the beginning and 614.5 MB in the end (delta: 312.5 MB). Free memory was 275.8 MB in the beginning and 389.4 MB in the end (delta: -113.6 MB). Peak memory consumption was 200.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,856 INFO L168 Benchmark]: CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:48:14,856 INFO L168 Benchmark]: CACSL2BoogieTranslator took 968.32 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 267.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.25 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 264.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,857 INFO L168 Benchmark]: Boogie Preprocessor took 72.50 ms. Allocated memory is still 302.0 MB. Free memory was 264.8 MB in the beginning and 262.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,857 INFO L168 Benchmark]: RCFGBuilder took 2967.20 ms. Allocated memory is still 302.0 MB. Free memory was 262.7 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,857 INFO L168 Benchmark]: TraceAbstraction took 158077.86 ms. Allocated memory was 302.0 MB in the beginning and 614.5 MB in the end (delta: 312.5 MB). Free memory was 200.8 MB in the beginning and 389.4 MB in the end (delta: -188.6 MB). Peak memory consumption was 122.8 MB. Max. memory is 16.0 GB. [2021-04-28 23:48:14,859 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.89 ms. Allocated memory is still 302.0 MB. Free memory is still 271.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 968.32 ms. Allocated memory is still 302.0 MB. Free memory was 272.7 MB in the beginning and 267.9 MB in the end (delta: 4.8 MB). Peak memory consumption was 26.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 84.25 ms. Allocated memory is still 302.0 MB. Free memory was 267.9 MB in the beginning and 264.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 72.50 ms. Allocated memory is still 302.0 MB. Free memory was 264.8 MB in the beginning and 262.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2967.20 ms. Allocated memory is still 302.0 MB. Free memory was 262.7 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 158077.86 ms. Allocated memory was 302.0 MB in the beginning and 614.5 MB in the end (delta: 312.5 MB). Free memory was 200.8 MB in the beginning and 389.4 MB in the end (delta: -188.6 MB). Peak memory consumption was 122.8 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 138106.2ms, 102 PlacesBefore, 129 PlacesAfterwards, 94 TransitionsBefore, 121 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 9 FixpointIterations, 143 TrivialSequentialCompositions, 79 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 223 TotalNumberOfCompositions, 16823 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4177, positive: 3890, positive conditional: 3890, positive unconditional: 0, negative: 287, negative conditional: 287, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1964, positive: 1896, positive conditional: 0, positive unconditional: 1896, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1964, positive: 1896, positive conditional: 0, positive unconditional: 1896, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1964, positive: 1886, positive conditional: 0, positive unconditional: 1886, negative: 78, negative conditional: 0, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1476, positive: 33, positive conditional: 0, positive unconditional: 33, negative: 1443, negative conditional: 0, negative unconditional: 1443, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4177, positive: 1994, positive conditional: 1994, positive unconditional: 0, negative: 219, negative conditional: 219, negative unconditional: 0, unknown: 1964, unknown conditional: 1964, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1964, Positive cache size: 1896, Positive conditional cache size: 1896, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 150.9ms, 125 PlacesBefore, 50 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 938 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 148, positive: 116, positive conditional: 116, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 3, positive unconditional: 24, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 134, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 134, negative conditional: 0, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 148, positive: 89, positive conditional: 89, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2001, Positive cache size: 1923, Positive conditional cache size: 1923, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 501.4ms, 51 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 468 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 576 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 189, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 86, positive: 72, positive conditional: 0, positive unconditional: 72, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 86, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 43, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 485, positive: 174, positive conditional: 0, positive unconditional: 174, negative: 311, negative conditional: 14, negative unconditional: 298, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 189, positive: 86, positive conditional: 86, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 86, unknown conditional: 86, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2087, Positive cache size: 1995, Positive conditional cache size: 1995, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 285.5ms, 42 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 404 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 956 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 261, positive: 206, positive conditional: 206, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 35, positive: 30, positive conditional: 18, positive unconditional: 12, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 35, positive: 30, positive conditional: 18, positive unconditional: 12, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 35, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 196, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 174, negative conditional: 6, negative unconditional: 168, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 261, positive: 176, positive conditional: 176, positive unconditional: 0, negative: 50, negative conditional: 50, negative unconditional: 0, unknown: 35, unknown conditional: 35, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2122, Positive cache size: 2025, Positive conditional cache size: 2025, Positive unconditional cache size: 0, Negative cache size: 97, Negative conditional cache size: 97, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 223.8ms, 42 PlacesBefore, 42 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 198 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 52, positive conditional: 52, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 5, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 5, positive unconditional: 10, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 201, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 201, negative conditional: 0, negative unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 37, positive conditional: 37, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2140, Positive cache size: 2040, Positive conditional cache size: 2040, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.9ms, 47 PlacesBefore, 47 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 476 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 40, positive: 35, positive conditional: 35, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 1, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 40, positive: 31, positive conditional: 31, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2144, Positive cache size: 2044, Positive conditional cache size: 2044, Positive unconditional cache size: 0, Negative cache size: 100, Negative conditional cache size: 100, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 81.7ms, 50 PlacesBefore, 50 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 57, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7, positive: 5, positive conditional: 3, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 57, positive: 46, positive conditional: 46, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2151, Positive cache size: 2049, Positive conditional cache size: 2049, Positive unconditional cache size: 0, Negative cache size: 102, Negative conditional cache size: 102, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 321.0ms, 54 PlacesBefore, 54 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 536 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 188 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 94, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 14, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 285, positive: 171, positive conditional: 147, positive unconditional: 24, negative: 114, negative conditional: 0, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 94, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2165, Positive cache size: 2061, Positive conditional cache size: 2061, Positive unconditional cache size: 0, Negative cache size: 104, Negative conditional cache size: 104, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 344.8ms, 58 PlacesBefore, 57 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 790 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 140 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 136, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 14, positive unconditional: 8, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 136, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2188, Positive cache size: 2083, Positive conditional cache size: 2083, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 300.5ms, 65 PlacesBefore, 65 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 910 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 160, positive: 156, positive conditional: 156, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 160, positive: 130, positive conditional: 130, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2214, Positive cache size: 2109, Positive conditional cache size: 2109, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 930.0ms, 66 PlacesBefore, 65 PlacesAfterwards, 78 TransitionsBefore, 78 TransitionsAfterwards, 834 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2214, Positive cache size: 2109, Positive conditional cache size: 2109, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5325.4ms, 73 PlacesBefore, 71 PlacesAfterwards, 73 TransitionsBefore, 74 TransitionsAfterwards, 524 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 7 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 7 TotalNumberOfCompositions, 115 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 115, positive: 115, positive conditional: 115, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 42, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 115, positive: 73, positive conditional: 73, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 42, unknown conditional: 42, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2256, Positive cache size: 2151, Positive conditional cache size: 2151, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3149.0ms, 65 PlacesBefore, 63 PlacesAfterwards, 70 TransitionsBefore, 71 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2259, Positive cache size: 2154, Positive conditional cache size: 2154, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L719] 0 int z = 0; [L720] 0 _Bool z$flush_delayed; [L721] 0 int z$mem_tmp; [L722] 0 _Bool z$r_buff0_thd0; [L723] 0 _Bool z$r_buff0_thd1; [L724] 0 _Bool z$r_buff0_thd2; [L725] 0 _Bool z$r_buff0_thd3; [L726] 0 _Bool z$r_buff1_thd0; [L727] 0 _Bool z$r_buff1_thd1; [L728] 0 _Bool z$r_buff1_thd2; [L729] 0 _Bool z$r_buff1_thd3; [L730] 0 _Bool z$read_delayed; [L731] 0 int *z$read_delayed_var; [L732] 0 int z$w_buff0; [L733] 0 _Bool z$w_buff0_used; [L734] 0 int z$w_buff1; [L735] 0 _Bool z$w_buff1_used; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L818] 0 pthread_t t2025; [L819] FCALL, FORK 0 pthread_create(&t2025, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L820] 0 pthread_t t2026; [L821] FCALL, FORK 0 pthread_create(&t2026, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L741] 1 z$w_buff1 = z$w_buff0 [L742] 1 z$w_buff0 = 2 [L743] 1 z$w_buff1_used = z$w_buff0_used [L744] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L746] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L747] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L748] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L749] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L750] 1 z$r_buff0_thd1 = (_Bool)1 [L753] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L770] 2 x = 2 [L773] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L822] 0 pthread_t t2027; [L823] FCALL, FORK 0 pthread_create(&t2027, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] 3 __unbuffered_p2_EAX = y [L793] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L796] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L796] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L797] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L797] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L798] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L798] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L799] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L799] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L800] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L800] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L756] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L756] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L757] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L757] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L758] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L759] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L760] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L776] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L776] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L777] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L777] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L778] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L779] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L780] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L763] 1 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L783] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L803] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L825] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L829] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L829] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L830] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L830] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L831] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L831] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L832] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L832] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L833] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L833] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L836] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L837] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L838] 0 z$flush_delayed = weak$$choice2 [L839] 0 z$mem_tmp = z [L840] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L840] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L841] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L841] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L842] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L842] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L843] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L843] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L844] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L845] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L846] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L846] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L847] 0 main$tmp_guard1 = !(x == 2 && z == 2 && __unbuffered_p2_EAX == 1) [L848] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L848] 0 z = z$flush_delayed ? z$mem_tmp : z [L849] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [__unbuffered_cnt=3, __unbuffered_p2_EAX=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=2, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 96 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 13.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 157825.4ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5150.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 138278.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 57 SDtfs, 28 SDslu, 15 SDs, 0 SdLazy, 399 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1137.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1125.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=622occurred in iteration=11, InterpolantAutomatonStates: 58, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 59.9ms SsaConstructionTime, 577.7ms SatisfiabilityAnalysisTime, 1649.8ms InterpolantComputationTime, 173 NumberOfCodeBlocks, 173 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 1027 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...