/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/mix005_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 23:59:46,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 23:59:46,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 23:59:46,534 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 23:59:46,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 23:59:46,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 23:59:46,539 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 23:59:46,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 23:59:46,546 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 23:59:46,550 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 23:59:46,551 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 23:59:46,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 23:59:46,553 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 23:59:46,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 23:59:46,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 23:59:46,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 23:59:46,559 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 23:59:46,560 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 23:59:46,562 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 23:59:46,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 23:59:46,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 23:59:46,571 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 23:59:46,572 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 23:59:46,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 23:59:46,579 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 23:59:46,582 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 23:59:46,583 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 23:59:46,584 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 23:59:46,585 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 23:59:46,586 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 23:59:46,586 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 23:59:46,586 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 23:59:46,587 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 23:59:46,587 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 23:59:46,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 23:59:46,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 23:59:46,589 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 [2021-03-25 23:59:46,626 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 23:59:46,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 23:59:46,629 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 23:59:46,629 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 23:59:46,629 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 23:59:46,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 23:59:46,630 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 23:59:46,630 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 23:59:46,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 23:59:46,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 23:59:46,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 23:59:46,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 23:59:46,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 23:59:46,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 23:59:46,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 23:59:46,633 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 23:59:46,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 23:59:46,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 23:59:46,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 23:59:46,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 23:59:46,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 23:59:46,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 23:59:46,634 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-25 23:59:46,634 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 23:59:46,634 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 23:59:46,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 23:59:46,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 23:59:46,975 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 23:59:46,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 23:59:46,978 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 23:59:46,979 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 23:59:46,980 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix005_tso.oepc.i [2021-03-25 23:59:47,037 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c8c7ebc/add7e4fe30784ec5bac5e66203be861f/FLAG14844bdcf [2021-03-25 23:59:47,570 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 23:59:47,571 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix005_tso.oepc.i [2021-03-25 23:59:47,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c8c7ebc/add7e4fe30784ec5bac5e66203be861f/FLAG14844bdcf [2021-03-25 23:59:48,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/72c8c7ebc/add7e4fe30784ec5bac5e66203be861f [2021-03-25 23:59:48,060 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 23:59:48,061 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 23:59:48,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 23:59:48,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 23:59:48,082 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 23:59:48,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,084 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b7a009f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48, skipping insertion in model container [2021-03-25 23:59:48,084 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 23:59:48,142 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 23:59:48,291 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/mix005_tso.oepc.i[949,962] [2021-03-25 23:59:48,474 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:59:48,481 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 23:59:48,490 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/mix005_tso.oepc.i[949,962] [2021-03-25 23:59:48,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 23:59:48,607 INFO L208 MainTranslator]: Completed translation [2021-03-25 23:59:48,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48 WrapperNode [2021-03-25 23:59:48,608 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 23:59:48,609 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 23:59:48,610 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 23:59:48,610 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 23:59:48,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,647 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,690 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 23:59:48,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 23:59:48,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 23:59:48,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 23:59:48,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,738 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (1/1) ... [2021-03-25 23:59:48,741 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 23:59:48,742 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 23:59:48,742 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 23:59:48,742 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 23:59:48,743 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (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 [2021-03-25 23:59:48,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 23:59:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 23:59:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 23:59:48,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 23:59:48,835 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 23:59:48,835 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 23:59:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 23:59:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 23:59:48,836 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 23:59:48,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 23:59:48,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 23:59:48,838 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 23:59:50,858 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 23:59:50,859 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 23:59:50,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:59:50 BoogieIcfgContainer [2021-03-25 23:59:50,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 23:59:50,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 23:59:50,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 23:59:50,865 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 23:59:50,865 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 11:59:48" (1/3) ... [2021-03-25 23:59:50,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fd131f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:59:50, skipping insertion in model container [2021-03-25 23:59:50,866 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 11:59:48" (2/3) ... [2021-03-25 23:59:50,866 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fd131f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 11:59:50, skipping insertion in model container [2021-03-25 23:59:50,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 11:59:50" (3/3) ... [2021-03-25 23:59:50,868 INFO L111 eAbstractionObserver]: Analyzing ICFG mix005_tso.oepc.i [2021-03-25 23:59:50,873 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 23:59:50,877 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 23:59:50,878 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 23:59:50,914 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,919 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,920 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,921 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,922 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,923 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,924 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,925 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,926 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,927 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,928 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,929 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,933 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,933 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,933 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,934 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,935 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,938 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,938 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,939 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 23:59:50,940 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 23:59:50,955 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 23:59:50,971 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 23:59:50,971 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 23:59:50,971 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 23:59:50,971 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 23:59:50,971 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 23:59:50,971 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 23:59:50,972 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 23:59:50,972 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 23:59:50,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 131 places, 120 transitions, 260 flow [2021-03-25 23:59:51,014 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-03-25 23:59:51,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:51,018 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 94 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 23:59:51,018 INFO L82 GeneralOperation]: Start removeDead. Operand has 131 places, 120 transitions, 260 flow [2021-03-25 23:59:51,022 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 127 places, 116 transitions, 244 flow [2021-03-25 23:59:51,023 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-25 23:59:51,032 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 127 places, 116 transitions, 244 flow [2021-03-25 23:59:51,034 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 127 places, 116 transitions, 244 flow [2021-03-25 23:59:51,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 127 places, 116 transitions, 244 flow [2021-03-25 23:59:51,053 INFO L129 PetriNetUnfolder]: 2/116 cut-off events. [2021-03-25 23:59:51,054 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 23:59:51,054 INFO L84 FinitePrefix]: Finished finitePrefix Result has 129 conditions, 116 events. 2/116 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 97 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 23:59:51,057 INFO L142 LiptonReduction]: Number of co-enabled transitions 2878 [2021-03-25 23:59:53,026 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 191 [2021-03-25 23:59:53,349 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-03-25 23:59:54,780 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-03-25 23:59:55,368 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-03-25 23:59:55,893 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 23:59:56,263 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 23:59:56,386 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 23:59:58,032 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-25 23:59:58,328 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2021-03-25 23:59:58,926 WARN L205 SmtUtils]: Spent 595.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-03-25 23:59:59,588 WARN L205 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-03-26 00:00:00,027 INFO L154 LiptonReduction]: Checked pairs total: 5805 [2021-03-26 00:00:00,027 INFO L156 LiptonReduction]: Total number of compositions: 76 [2021-03-26 00:00:00,029 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9007 [2021-03-26 00:00:00,053 INFO L129 PetriNetUnfolder]: 0/16 cut-off events. [2021-03-26 00:00:00,053 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:00:00,053 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:00,054 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:00,054 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:00,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:00,059 INFO L82 PathProgramCache]: Analyzing trace with hash 731378152, now seen corresponding path program 1 times [2021-03-26 00:00:00,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:00,066 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771999686] [2021-03-26 00:00:00,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:00,294 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:00,295 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:00,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:00,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:00,302 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771999686] [2021-03-26 00:00:00,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:00,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:00:00,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181405501] [2021-03-26 00:00:00,310 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:00:00,310 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:00,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:00:00,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:00:00,322 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 196 [2021-03-26 00:00:00,326 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 47 transitions, 106 flow. Second operand has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-03-26 00:00:00,326 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:00,326 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 196 [2021-03-26 00:00:00,327 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:00,492 INFO L129 PetriNetUnfolder]: 185/412 cut-off events. [2021-03-26 00:00:00,492 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:00:00,495 INFO L84 FinitePrefix]: Finished finitePrefix Result has 707 conditions, 412 events. 185/412 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2244 event pairs, 123 based on Foata normal form. 21/395 useless extension candidates. Maximal degree in co-relation 686. Up to 209 conditions per place. [2021-03-26 00:00:00,498 INFO L132 encePairwiseOnDemand]: 192/196 looper letters, 11 selfloop transitions, 2 changer transitions 4/50 dead transitions. [2021-03-26 00:00:00,501 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 50 transitions, 142 flow [2021-03-26 00:00:00,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:00,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 534 transitions. [2021-03-26 00:00:00,515 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9081632653061225 [2021-03-26 00:00:00,515 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 534 transitions. [2021-03-26 00:00:00,515 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 534 transitions. [2021-03-26 00:00:00,517 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:00,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 534 transitions. [2021-03-26 00:00:00,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.0) internal successors, (534), 3 states have internal predecessors, (534), 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) [2021-03-26 00:00:00,528 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 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) [2021-03-26 00:00:00,529 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 196.0) internal successors, (784), 4 states have internal predecessors, (784), 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) [2021-03-26 00:00:00,531 INFO L185 Difference]: Start difference. First operand has 59 places, 47 transitions, 106 flow. Second operand 3 states and 534 transitions. [2021-03-26 00:00:00,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 50 transitions, 142 flow [2021-03-26 00:00:00,533 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 50 transitions, 138 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 00:00:00,534 INFO L241 Difference]: Finished difference. Result has 55 places, 41 transitions, 94 flow [2021-03-26 00:00:00,536 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=196, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=42, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=55, PETRI_TRANSITIONS=41} [2021-03-26 00:00:00,536 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -4 predicate places. [2021-03-26 00:00:00,537 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:00,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 41 transitions, 94 flow [2021-03-26 00:00:00,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 41 transitions, 94 flow [2021-03-26 00:00:00,537 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 94 flow [2021-03-26 00:00:00,542 INFO L129 PetriNetUnfolder]: 0/41 cut-off events. [2021-03-26 00:00:00,542 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:00:00,542 INFO L84 FinitePrefix]: Finished finitePrefix Result has 53 conditions, 41 events. 0/41 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/41 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:00:00,542 INFO L142 LiptonReduction]: Number of co-enabled transitions 522 [2021-03-26 00:00:00,933 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-03-26 00:00:01,258 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2021-03-26 00:00:01,967 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-03-26 00:00:02,593 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-03-26 00:00:02,916 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 00:00:03,042 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-03-26 00:00:04,537 INFO L154 LiptonReduction]: Checked pairs total: 2470 [2021-03-26 00:00:04,537 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-26 00:00:04,537 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4000 [2021-03-26 00:00:04,540 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 72 flow [2021-03-26 00:00:04,540 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 172.66666666666666) internal successors, (518), 3 states have internal predecessors, (518), 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) [2021-03-26 00:00:04,540 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:04,541 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, 1, 1, 1] [2021-03-26 00:00:04,541 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:00:04,541 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:04,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:04,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1380818098, now seen corresponding path program 1 times [2021-03-26 00:00:04,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:04,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970682757] [2021-03-26 00:00:04,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:04,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:04,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:04,681 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:04,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:04,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:04,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-26 00:00:04,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:04,695 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970682757] [2021-03-26 00:00:04,695 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:04,695 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:04,695 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982962960] [2021-03-26 00:00:04,696 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:04,696 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:04,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:04,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:04,698 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 207 [2021-03-26 00:00:04,699 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 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) [2021-03-26 00:00:04,699 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:04,699 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 207 [2021-03-26 00:00:04,699 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:04,713 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 00:00:04,713 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:00:04,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 1/31 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:00:04,714 INFO L132 encePairwiseOnDemand]: 204/207 looper letters, 1 selfloop transitions, 2 changer transitions 0/30 dead transitions. [2021-03-26 00:00:04,714 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 78 flow [2021-03-26 00:00:04,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:04,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:04,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 559 transitions. [2021-03-26 00:00:04,716 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9001610305958132 [2021-03-26 00:00:04,716 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 559 transitions. [2021-03-26 00:00:04,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 559 transitions. [2021-03-26 00:00:04,717 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:04,717 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 559 transitions. [2021-03-26 00:00:04,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 186.33333333333334) internal successors, (559), 3 states have internal predecessors, (559), 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) [2021-03-26 00:00:04,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2021-03-26 00:00:04,721 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 207.0) internal successors, (828), 4 states have internal predecessors, (828), 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) [2021-03-26 00:00:04,721 INFO L185 Difference]: Start difference. First operand has 41 places, 30 transitions, 72 flow. Second operand 3 states and 559 transitions. [2021-03-26 00:00:04,721 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 78 flow [2021-03-26 00:00:04,721 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:04,722 INFO L241 Difference]: Finished difference. Result has 42 places, 30 transitions, 76 flow [2021-03-26 00:00:04,724 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=42, PETRI_TRANSITIONS=30} [2021-03-26 00:00:04,724 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -17 predicate places. [2021-03-26 00:00:04,724 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:04,725 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 30 transitions, 76 flow [2021-03-26 00:00:04,725 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 30 transitions, 76 flow [2021-03-26 00:00:04,725 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 30 transitions, 76 flow [2021-03-26 00:00:04,729 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-03-26 00:00:04,729 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:00:04,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:00:04,730 INFO L142 LiptonReduction]: Number of co-enabled transitions 446 [2021-03-26 00:00:05,275 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 00:00:05,447 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 00:00:05,790 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-03-26 00:00:05,959 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-03-26 00:00:05,989 INFO L154 LiptonReduction]: Checked pairs total: 1075 [2021-03-26 00:00:05,990 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:00:05,990 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1266 [2021-03-26 00:00:05,991 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 72 flow [2021-03-26 00:00:05,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 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) [2021-03-26 00:00:05,991 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:05,992 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:05,992 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:00:05,992 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:05,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:05,992 INFO L82 PathProgramCache]: Analyzing trace with hash 295288183, now seen corresponding path program 1 times [2021-03-26 00:00:05,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:05,993 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112913392] [2021-03-26 00:00:05,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:06,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:06,075 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:06,076 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:06,079 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:06,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112913392] [2021-03-26 00:00:06,079 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:06,079 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-26 00:00:06,079 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180330228] [2021-03-26 00:00:06,080 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:00:06,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:06,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:00:06,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:00:06,083 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 190 out of 209 [2021-03-26 00:00:06,084 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 72 flow. Second operand has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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) [2021-03-26 00:00:06,084 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:06,084 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 190 of 209 [2021-03-26 00:00:06,084 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:06,104 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 00:00:06,104 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-26 00:00:06,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 28 events. 0/28 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 40 event pairs, 0 based on Foata normal form. 1/29 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:00:06,104 INFO L132 encePairwiseOnDemand]: 206/209 looper letters, 1 selfloop transitions, 2 changer transitions 0/28 dead transitions. [2021-03-26 00:00:06,104 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 28 transitions, 78 flow [2021-03-26 00:00:06,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:06,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 574 transitions. [2021-03-26 00:00:06,106 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9154704944178629 [2021-03-26 00:00:06,107 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 574 transitions. [2021-03-26 00:00:06,107 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 574 transitions. [2021-03-26 00:00:06,107 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:06,107 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 574 transitions. [2021-03-26 00:00:06,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 191.33333333333334) internal successors, (574), 3 states have internal predecessors, (574), 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) [2021-03-26 00:00:06,109 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2021-03-26 00:00:06,110 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 209.0) internal successors, (836), 4 states have internal predecessors, (836), 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) [2021-03-26 00:00:06,110 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 72 flow. Second operand 3 states and 574 transitions. [2021-03-26 00:00:06,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 28 transitions, 78 flow [2021-03-26 00:00:06,111 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 28 transitions, 74 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:06,111 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 76 flow [2021-03-26 00:00:06,111 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-26 00:00:06,112 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -18 predicate places. [2021-03-26 00:00:06,112 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:06,112 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 76 flow [2021-03-26 00:00:06,112 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 76 flow [2021-03-26 00:00:06,112 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 76 flow [2021-03-26 00:00:06,116 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-26 00:00:06,116 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-26 00:00:06,116 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 28 events. 0/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 49 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-26 00:00:06,117 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-26 00:00:06,649 INFO L154 LiptonReduction]: Checked pairs total: 948 [2021-03-26 00:00:06,649 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:00:06,649 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 537 [2021-03-26 00:00:06,650 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 74 flow [2021-03-26 00:00:06,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 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) [2021-03-26 00:00:06,651 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:06,651 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:06,651 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:00:06,651 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:06,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:06,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1413229862, now seen corresponding path program 1 times [2021-03-26 00:00:06,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:06,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53529799] [2021-03-26 00:00:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:06,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:06,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:06,769 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:00:06,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:06,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:00:06,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:06,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53529799] [2021-03-26 00:00:06,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:06,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:00:06,856 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1546194558] [2021-03-26 00:00:06,856 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:06,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:06,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:06,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:06,859 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 210 [2021-03-26 00:00:06,860 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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) [2021-03-26 00:00:06,860 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:06,860 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 210 [2021-03-26 00:00:06,860 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:06,964 INFO L129 PetriNetUnfolder]: 205/382 cut-off events. [2021-03-26 00:00:06,964 INFO L130 PetriNetUnfolder]: For 102/102 co-relation queries the response was YES. [2021-03-26 00:00:06,967 INFO L84 FinitePrefix]: Finished finitePrefix Result has 772 conditions, 382 events. 205/382 cut-off events. For 102/102 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 1914 event pairs, 53 based on Foata normal form. 4/365 useless extension candidates. Maximal degree in co-relation 761. Up to 297 conditions per place. [2021-03-26 00:00:06,970 INFO L132 encePairwiseOnDemand]: 206/210 looper letters, 11 selfloop transitions, 3 changer transitions 0/32 dead transitions. [2021-03-26 00:00:06,970 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 112 flow [2021-03-26 00:00:06,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:00:06,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:00:06,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 522 transitions. [2021-03-26 00:00:06,973 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8285714285714286 [2021-03-26 00:00:06,973 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 522 transitions. [2021-03-26 00:00:06,973 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 522 transitions. [2021-03-26 00:00:06,973 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:06,974 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 522 transitions. [2021-03-26 00:00:06,975 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 174.0) internal successors, (522), 3 states have internal predecessors, (522), 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) [2021-03-26 00:00:06,976 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 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) [2021-03-26 00:00:06,977 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 210.0) internal successors, (840), 4 states have internal predecessors, (840), 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) [2021-03-26 00:00:06,977 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 74 flow. Second operand 3 states and 522 transitions. [2021-03-26 00:00:06,977 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 112 flow [2021-03-26 00:00:06,978 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 108 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:06,979 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 89 flow [2021-03-26 00:00:06,979 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=89, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-03-26 00:00:06,979 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -18 predicate places. [2021-03-26 00:00:06,979 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:06,980 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 89 flow [2021-03-26 00:00:06,980 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 89 flow [2021-03-26 00:00:06,980 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 29 transitions, 89 flow [2021-03-26 00:00:06,985 INFO L129 PetriNetUnfolder]: 3/39 cut-off events. [2021-03-26 00:00:06,986 INFO L130 PetriNetUnfolder]: For 9/9 co-relation queries the response was YES. [2021-03-26 00:00:06,986 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 39 events. 3/39 cut-off events. For 9/9 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 87 event pairs, 1 based on Foata normal form. 0/37 useless extension candidates. Maximal degree in co-relation 62. Up to 10 conditions per place. [2021-03-26 00:00:06,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 430 [2021-03-26 00:00:07,083 INFO L154 LiptonReduction]: Checked pairs total: 418 [2021-03-26 00:00:07,083 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:07,083 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 104 [2021-03-26 00:00:07,086 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 29 transitions, 89 flow [2021-03-26 00:00:07,086 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 4 states have internal predecessors, (679), 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) [2021-03-26 00:00:07,086 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:07,086 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:07,086 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:00:07,087 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:07,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:07,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1413284050, now seen corresponding path program 1 times [2021-03-26 00:00:07,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:07,087 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949556113] [2021-03-26 00:00:07,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:07,226 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 00:00:07,227 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:00:07,238 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 00:00:07,239 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 00:00:07,259 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 00:00:07,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 00:00:07,281 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:07,281 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949556113] [2021-03-26 00:00:07,281 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:07,281 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:07,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765283337] [2021-03-26 00:00:07,282 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:00:07,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:00:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:00:07,283 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 167 out of 210 [2021-03-26 00:00:07,284 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 29 transitions, 89 flow. Second operand has 5 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 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) [2021-03-26 00:00:07,284 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:07,284 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 167 of 210 [2021-03-26 00:00:07,284 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:07,409 INFO L129 PetriNetUnfolder]: 214/398 cut-off events. [2021-03-26 00:00:07,409 INFO L130 PetriNetUnfolder]: For 205/207 co-relation queries the response was YES. [2021-03-26 00:00:07,410 INFO L84 FinitePrefix]: Finished finitePrefix Result has 916 conditions, 398 events. 214/398 cut-off events. For 205/207 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1938 event pairs, 49 based on Foata normal form. 6/385 useless extension candidates. Maximal degree in co-relation 904. Up to 299 conditions per place. [2021-03-26 00:00:07,413 INFO L132 encePairwiseOnDemand]: 203/210 looper letters, 12 selfloop transitions, 7 changer transitions 0/37 dead transitions. [2021-03-26 00:00:07,414 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 37 transitions, 145 flow [2021-03-26 00:00:07,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:07,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:07,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 688 transitions. [2021-03-26 00:00:07,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819047619047619 [2021-03-26 00:00:07,417 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 688 transitions. [2021-03-26 00:00:07,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 688 transitions. [2021-03-26 00:00:07,418 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:07,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 688 transitions. [2021-03-26 00:00:07,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 172.0) internal successors, (688), 4 states have internal predecessors, (688), 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) [2021-03-26 00:00:07,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:07,422 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:07,423 INFO L185 Difference]: Start difference. First operand has 41 places, 29 transitions, 89 flow. Second operand 4 states and 688 transitions. [2021-03-26 00:00:07,423 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 37 transitions, 145 flow [2021-03-26 00:00:07,424 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 37 transitions, 142 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:07,425 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 125 flow [2021-03-26 00:00:07,425 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=86, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=125, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-03-26 00:00:07,425 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -15 predicate places. [2021-03-26 00:00:07,425 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:07,426 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 33 transitions, 125 flow [2021-03-26 00:00:07,426 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 33 transitions, 125 flow [2021-03-26 00:00:07,426 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 125 flow [2021-03-26 00:00:07,446 INFO L129 PetriNetUnfolder]: 64/159 cut-off events. [2021-03-26 00:00:07,446 INFO L130 PetriNetUnfolder]: For 150/162 co-relation queries the response was YES. [2021-03-26 00:00:07,446 INFO L84 FinitePrefix]: Finished finitePrefix Result has 384 conditions, 159 events. 64/159 cut-off events. For 150/162 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 702 event pairs, 30 based on Foata normal form. 3/151 useless extension candidates. Maximal degree in co-relation 372. Up to 99 conditions per place. [2021-03-26 00:00:07,448 INFO L142 LiptonReduction]: Number of co-enabled transitions 492 [2021-03-26 00:00:07,623 INFO L154 LiptonReduction]: Checked pairs total: 238 [2021-03-26 00:00:07,624 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:07,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 199 [2021-03-26 00:00:07,625 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 125 flow [2021-03-26 00:00:07,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 167.8) internal successors, (839), 5 states have internal predecessors, (839), 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) [2021-03-26 00:00:07,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:07,626 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:07,626 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:00:07,626 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:07,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:07,626 INFO L82 PathProgramCache]: Analyzing trace with hash -2033555398, now seen corresponding path program 1 times [2021-03-26 00:00:07,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:07,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728861538] [2021-03-26 00:00:07,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:07,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:07,708 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 00:00:07,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 00:00:07,728 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:07,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:07,732 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:07,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-26 00:00:07,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:07,740 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728861538] [2021-03-26 00:00:07,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:07,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:07,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438571414] [2021-03-26 00:00:07,742 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:00:07,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:07,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:00:07,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:00:07,743 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 210 [2021-03-26 00:00:07,744 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 125 flow. Second operand has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2021-03-26 00:00:07,744 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:07,744 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 210 [2021-03-26 00:00:07,744 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:07,883 INFO L129 PetriNetUnfolder]: 230/436 cut-off events. [2021-03-26 00:00:07,883 INFO L130 PetriNetUnfolder]: For 385/485 co-relation queries the response was YES. [2021-03-26 00:00:07,885 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1223 conditions, 436 events. 230/436 cut-off events. For 385/485 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2183 event pairs, 32 based on Foata normal form. 10/429 useless extension candidates. Maximal degree in co-relation 1209. Up to 258 conditions per place. [2021-03-26 00:00:07,887 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 16 selfloop transitions, 9 changer transitions 0/43 dead transitions. [2021-03-26 00:00:07,887 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 43 transitions, 213 flow [2021-03-26 00:00:07,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:07,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 709 transitions. [2021-03-26 00:00:07,890 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.844047619047619 [2021-03-26 00:00:07,890 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 709 transitions. [2021-03-26 00:00:07,890 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 709 transitions. [2021-03-26 00:00:07,890 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:07,890 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 709 transitions. [2021-03-26 00:00:07,893 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 177.25) internal successors, (709), 4 states have internal predecessors, (709), 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) [2021-03-26 00:00:07,894 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:07,894 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:07,895 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 125 flow. Second operand 4 states and 709 transitions. [2021-03-26 00:00:07,895 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 43 transitions, 213 flow [2021-03-26 00:00:07,897 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 43 transitions, 202 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:07,898 INFO L241 Difference]: Finished difference. Result has 46 places, 38 transitions, 164 flow [2021-03-26 00:00:07,898 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=114, 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=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=164, PETRI_PLACES=46, PETRI_TRANSITIONS=38} [2021-03-26 00:00:07,899 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -13 predicate places. [2021-03-26 00:00:07,899 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:07,899 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 38 transitions, 164 flow [2021-03-26 00:00:07,899 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 38 transitions, 164 flow [2021-03-26 00:00:07,899 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 38 transitions, 164 flow [2021-03-26 00:00:07,949 INFO L129 PetriNetUnfolder]: 195/388 cut-off events. [2021-03-26 00:00:07,949 INFO L130 PetriNetUnfolder]: For 470/497 co-relation queries the response was YES. [2021-03-26 00:00:07,951 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1045 conditions, 388 events. 195/388 cut-off events. For 470/497 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 1998 event pairs, 97 based on Foata normal form. 1/368 useless extension candidates. Maximal degree in co-relation 1032. Up to 203 conditions per place. [2021-03-26 00:00:07,954 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 00:00:08,026 INFO L154 LiptonReduction]: Checked pairs total: 169 [2021-03-26 00:00:08,027 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:08,027 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 128 [2021-03-26 00:00:08,032 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 38 transitions, 164 flow [2021-03-26 00:00:08,032 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 172.8) internal successors, (864), 5 states have internal predecessors, (864), 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) [2021-03-26 00:00:08,032 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:08,032 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:08,032 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:00:08,033 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:08,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:08,033 INFO L82 PathProgramCache]: Analyzing trace with hash -838393744, now seen corresponding path program 2 times [2021-03-26 00:00:08,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:08,034 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126338134] [2021-03-26 00:00:08,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:08,120 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-03-26 00:00:08,121 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-03-26 00:00:08,145 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.7 percent of original size [2021-03-26 00:00:08,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-03-26 00:00:08,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:08,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-26 00:00:08,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:08,208 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126338134] [2021-03-26 00:00:08,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:08,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:08,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219746550] [2021-03-26 00:00:08,209 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:00:08,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:08,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:00:08,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:00:08,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-03-26 00:00:08,211 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 38 transitions, 164 flow. Second operand has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 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) [2021-03-26 00:00:08,211 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:08,211 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-03-26 00:00:08,211 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:08,365 INFO L129 PetriNetUnfolder]: 210/399 cut-off events. [2021-03-26 00:00:08,365 INFO L130 PetriNetUnfolder]: For 565/833 co-relation queries the response was YES. [2021-03-26 00:00:08,367 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1338 conditions, 399 events. 210/399 cut-off events. For 565/833 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1985 event pairs, 30 based on Foata normal form. 25/407 useless extension candidates. Maximal degree in co-relation 1323. Up to 250 conditions per place. [2021-03-26 00:00:08,369 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 15 selfloop transitions, 9 changer transitions 0/42 dead transitions. [2021-03-26 00:00:08,370 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 232 flow [2021-03-26 00:00:08,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:08,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:08,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 692 transitions. [2021-03-26 00:00:08,372 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8238095238095238 [2021-03-26 00:00:08,410 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 692 transitions. [2021-03-26 00:00:08,410 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 692 transitions. [2021-03-26 00:00:08,410 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:08,410 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 692 transitions. [2021-03-26 00:00:08,412 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.0) internal successors, (692), 4 states have internal predecessors, (692), 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) [2021-03-26 00:00:08,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:08,414 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 210.0) internal successors, (1050), 5 states have internal predecessors, (1050), 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) [2021-03-26 00:00:08,414 INFO L185 Difference]: Start difference. First operand has 46 places, 38 transitions, 164 flow. Second operand 4 states and 692 transitions. [2021-03-26 00:00:08,414 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 232 flow [2021-03-26 00:00:08,416 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 42 transitions, 222 flow, removed 3 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:08,417 INFO L241 Difference]: Finished difference. Result has 49 places, 38 transitions, 182 flow [2021-03-26 00:00:08,417 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=182, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2021-03-26 00:00:08,418 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -10 predicate places. [2021-03-26 00:00:08,418 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:08,418 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 38 transitions, 182 flow [2021-03-26 00:00:08,418 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 38 transitions, 182 flow [2021-03-26 00:00:08,418 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions, 182 flow [2021-03-26 00:00:08,459 INFO L129 PetriNetUnfolder]: 169/361 cut-off events. [2021-03-26 00:00:08,459 INFO L130 PetriNetUnfolder]: For 636/665 co-relation queries the response was YES. [2021-03-26 00:00:08,461 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1010 conditions, 361 events. 169/361 cut-off events. For 636/665 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1874 event pairs, 78 based on Foata normal form. 1/334 useless extension candidates. Maximal degree in co-relation 995. Up to 190 conditions per place. [2021-03-26 00:00:08,464 INFO L142 LiptonReduction]: Number of co-enabled transitions 550 [2021-03-26 00:00:08,594 INFO L154 LiptonReduction]: Checked pairs total: 194 [2021-03-26 00:00:08,594 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:08,594 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 176 [2021-03-26 00:00:08,595 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 182 flow [2021-03-26 00:00:08,596 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 168.8) internal successors, (844), 5 states have internal predecessors, (844), 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) [2021-03-26 00:00:08,596 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:08,596 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:08,596 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:00:08,596 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:08,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:08,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1601562658, now seen corresponding path program 1 times [2021-03-26 00:00:08,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:08,597 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971205054] [2021-03-26 00:00:08,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:08,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:08,668 INFO L142 QuantifierPusher]: treesize reduction 30, result has 25.0 percent of original size [2021-03-26 00:00:08,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:00:08,677 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 00:00:08,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 00:00:08,705 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 00:00:08,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 00:00:08,733 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-26 00:00:08,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 00:00:08,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:08,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971205054] [2021-03-26 00:00:08,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:08,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:00:08,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688512542] [2021-03-26 00:00:08,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:00:08,765 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:08,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:00:08,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:00:08,766 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 210 [2021-03-26 00:00:08,767 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 182 flow. Second operand has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2021-03-26 00:00:08,767 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:08,767 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 210 [2021-03-26 00:00:08,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:08,934 INFO L129 PetriNetUnfolder]: 230/417 cut-off events. [2021-03-26 00:00:08,934 INFO L130 PetriNetUnfolder]: For 659/906 co-relation queries the response was YES. [2021-03-26 00:00:08,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1488 conditions, 417 events. 230/417 cut-off events. For 659/906 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1941 event pairs, 77 based on Foata normal form. 26/426 useless extension candidates. Maximal degree in co-relation 1471. Up to 266 conditions per place. [2021-03-26 00:00:08,938 INFO L132 encePairwiseOnDemand]: 201/210 looper letters, 16 selfloop transitions, 13 changer transitions 0/47 dead transitions. [2021-03-26 00:00:08,938 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 284 flow [2021-03-26 00:00:08,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:00:08,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:00:08,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 865 transitions. [2021-03-26 00:00:08,941 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8238095238095238 [2021-03-26 00:00:08,941 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 865 transitions. [2021-03-26 00:00:08,941 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 865 transitions. [2021-03-26 00:00:08,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:08,942 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 865 transitions. [2021-03-26 00:00:08,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 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) [2021-03-26 00:00:08,945 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-26 00:00:08,945 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-26 00:00:08,945 INFO L185 Difference]: Start difference. First operand has 49 places, 38 transitions, 182 flow. Second operand 5 states and 865 transitions. [2021-03-26 00:00:08,945 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 284 flow [2021-03-26 00:00:08,948 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 47 transitions, 266 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-26 00:00:08,950 INFO L241 Difference]: Finished difference. Result has 51 places, 42 transitions, 225 flow [2021-03-26 00:00:08,950 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=164, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=225, PETRI_PLACES=51, PETRI_TRANSITIONS=42} [2021-03-26 00:00:08,950 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -8 predicate places. [2021-03-26 00:00:08,951 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:08,951 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 42 transitions, 225 flow [2021-03-26 00:00:08,951 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 42 transitions, 225 flow [2021-03-26 00:00:08,951 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 225 flow [2021-03-26 00:00:08,998 INFO L129 PetriNetUnfolder]: 214/419 cut-off events. [2021-03-26 00:00:08,999 INFO L130 PetriNetUnfolder]: For 859/959 co-relation queries the response was YES. [2021-03-26 00:00:09,000 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1380 conditions, 419 events. 214/419 cut-off events. For 859/959 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2165 event pairs, 80 based on Foata normal form. 1/394 useless extension candidates. Maximal degree in co-relation 1364. Up to 222 conditions per place. [2021-03-26 00:00:09,005 INFO L142 LiptonReduction]: Number of co-enabled transitions 620 [2021-03-26 00:00:09,099 INFO L154 LiptonReduction]: Checked pairs total: 279 [2021-03-26 00:00:09,099 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:09,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 148 [2021-03-26 00:00:09,100 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 225 flow [2021-03-26 00:00:09,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2021-03-26 00:00:09,101 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:09,101 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:09,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:00:09,101 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:09,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:09,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1554412024, now seen corresponding path program 2 times [2021-03-26 00:00:09,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:09,102 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500878042] [2021-03-26 00:00:09,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:09,188 INFO L142 QuantifierPusher]: treesize reduction 30, result has 30.2 percent of original size [2021-03-26 00:00:09,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:09,200 INFO L142 QuantifierPusher]: treesize reduction 30, result has 34.8 percent of original size [2021-03-26 00:00:09,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:00:09,212 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 00:00:09,214 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 00:00:09,242 INFO L142 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-03-26 00:00:09,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 70 [2021-03-26 00:00:09,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:09,277 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500878042] [2021-03-26 00:00:09,277 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:09,277 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:00:09,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820308048] [2021-03-26 00:00:09,277 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:00:09,277 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:09,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:00:09,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:00:09,279 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 210 [2021-03-26 00:00:09,281 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 225 flow. Second operand has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 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) [2021-03-26 00:00:09,281 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:09,281 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 210 [2021-03-26 00:00:09,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:09,469 INFO L129 PetriNetUnfolder]: 243/442 cut-off events. [2021-03-26 00:00:09,469 INFO L130 PetriNetUnfolder]: For 1028/1463 co-relation queries the response was YES. [2021-03-26 00:00:09,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1806 conditions, 442 events. 243/442 cut-off events. For 1028/1463 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 2080 event pairs, 77 based on Foata normal form. 34/459 useless extension candidates. Maximal degree in co-relation 1788. Up to 277 conditions per place. [2021-03-26 00:00:09,474 INFO L132 encePairwiseOnDemand]: 202/210 looper letters, 17 selfloop transitions, 20 changer transitions 0/55 dead transitions. [2021-03-26 00:00:09,474 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 55 transitions, 387 flow [2021-03-26 00:00:09,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:00:09,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:00:09,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 850 transitions. [2021-03-26 00:00:09,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2021-03-26 00:00:09,477 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 850 transitions. [2021-03-26 00:00:09,479 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 850 transitions. [2021-03-26 00:00:09,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:09,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 850 transitions. [2021-03-26 00:00:09,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 170.0) internal successors, (850), 5 states have internal predecessors, (850), 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) [2021-03-26 00:00:09,483 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-26 00:00:09,483 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 210.0) internal successors, (1260), 6 states have internal predecessors, (1260), 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) [2021-03-26 00:00:09,483 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 225 flow. Second operand 5 states and 850 transitions. [2021-03-26 00:00:09,483 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 55 transitions, 387 flow [2021-03-26 00:00:09,486 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 55 transitions, 358 flow, removed 3 selfloop flow, removed 3 redundant places. [2021-03-26 00:00:09,487 INFO L241 Difference]: Finished difference. Result has 54 places, 50 transitions, 329 flow [2021-03-26 00:00:09,487 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=210, PETRI_DIFFERENCE_MINUEND_FLOW=198, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=329, PETRI_PLACES=54, PETRI_TRANSITIONS=50} [2021-03-26 00:00:09,487 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, -5 predicate places. [2021-03-26 00:00:09,487 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:09,487 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 50 transitions, 329 flow [2021-03-26 00:00:09,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 50 transitions, 329 flow [2021-03-26 00:00:09,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 50 transitions, 329 flow [2021-03-26 00:00:09,538 INFO L129 PetriNetUnfolder]: 210/416 cut-off events. [2021-03-26 00:00:09,538 INFO L130 PetriNetUnfolder]: For 1468/1592 co-relation queries the response was YES. [2021-03-26 00:00:09,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1748 conditions, 416 events. 210/416 cut-off events. For 1468/1592 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2183 event pairs, 71 based on Foata normal form. 11/403 useless extension candidates. Maximal degree in co-relation 1730. Up to 224 conditions per place. [2021-03-26 00:00:09,544 INFO L142 LiptonReduction]: Number of co-enabled transitions 698 [2021-03-26 00:00:09,766 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 57 [2021-03-26 00:00:10,286 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 87 [2021-03-26 00:00:10,435 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-26 00:00:10,504 INFO L154 LiptonReduction]: Checked pairs total: 1012 [2021-03-26 00:00:10,504 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:00:10,504 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1017 [2021-03-26 00:00:10,505 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 50 transitions, 332 flow [2021-03-26 00:00:10,505 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 165.83333333333334) internal successors, (995), 6 states have internal predecessors, (995), 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) [2021-03-26 00:00:10,505 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:10,506 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:10,506 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:00:10,506 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:10,506 INFO L82 PathProgramCache]: Analyzing trace with hash -102592116, now seen corresponding path program 3 times [2021-03-26 00:00:10,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:10,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220780005] [2021-03-26 00:00:10,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:10,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:10,568 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:10,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:00:10,576 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-26 00:00:10,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-26 00:00:10,593 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.1 percent of original size [2021-03-26 00:00:10,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 00:00:10,620 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-26 00:00:10,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-26 00:00:10,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:10,648 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220780005] [2021-03-26 00:00:10,648 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:10,648 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:00:10,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946727367] [2021-03-26 00:00:10,648 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:00:10,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:10,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:00:10,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:00:10,649 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 211 [2021-03-26 00:00:10,650 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 332 flow. Second operand has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2021-03-26 00:00:10,650 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:10,650 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 211 [2021-03-26 00:00:10,651 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:10,874 INFO L129 PetriNetUnfolder]: 285/530 cut-off events. [2021-03-26 00:00:10,874 INFO L130 PetriNetUnfolder]: For 2392/3291 co-relation queries the response was YES. [2021-03-26 00:00:10,876 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2593 conditions, 530 events. 285/530 cut-off events. For 2392/3291 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2620 event pairs, 25 based on Foata normal form. 54/558 useless extension candidates. Maximal degree in co-relation 2573. Up to 296 conditions per place. [2021-03-26 00:00:10,881 INFO L132 encePairwiseOnDemand]: 202/211 looper letters, 23 selfloop transitions, 21 changer transitions 0/62 dead transitions. [2021-03-26 00:00:10,881 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 62 transitions, 532 flow [2021-03-26 00:00:10,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:00:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:00:10,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1033 transitions. [2021-03-26 00:00:10,884 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.815955766192733 [2021-03-26 00:00:10,884 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1033 transitions. [2021-03-26 00:00:10,884 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1033 transitions. [2021-03-26 00:00:10,885 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:10,885 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1033 transitions. [2021-03-26 00:00:10,887 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) [2021-03-26 00:00:10,889 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 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) [2021-03-26 00:00:10,889 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 211.0) internal successors, (1477), 7 states have internal predecessors, (1477), 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) [2021-03-26 00:00:10,889 INFO L185 Difference]: Start difference. First operand has 54 places, 50 transitions, 332 flow. Second operand 6 states and 1033 transitions. [2021-03-26 00:00:10,889 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 62 transitions, 532 flow [2021-03-26 00:00:10,892 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 62 transitions, 499 flow, removed 11 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:10,893 INFO L241 Difference]: Finished difference. Result has 59 places, 54 transitions, 410 flow [2021-03-26 00:00:10,894 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=299, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2021-03-26 00:00:10,894 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 0 predicate places. [2021-03-26 00:00:10,894 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:10,894 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 54 transitions, 410 flow [2021-03-26 00:00:10,895 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 54 transitions, 410 flow [2021-03-26 00:00:10,895 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 54 transitions, 410 flow [2021-03-26 00:00:10,959 INFO L129 PetriNetUnfolder]: 262/503 cut-off events. [2021-03-26 00:00:10,959 INFO L130 PetriNetUnfolder]: For 2781/3277 co-relation queries the response was YES. [2021-03-26 00:00:10,962 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2505 conditions, 503 events. 262/503 cut-off events. For 2781/3277 co-relation queries the response was YES. Maximal size of possible extension queue 59. Compared 2581 event pairs, 69 based on Foata normal form. 6/474 useless extension candidates. Maximal degree in co-relation 2485. Up to 283 conditions per place. [2021-03-26 00:00:10,968 INFO L142 LiptonReduction]: Number of co-enabled transitions 776 [2021-03-26 00:00:11,009 INFO L154 LiptonReduction]: Checked pairs total: 854 [2021-03-26 00:00:11,009 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:11,009 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-26 00:00:11,011 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 410 flow [2021-03-26 00:00:11,012 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 168.83333333333334) internal successors, (1013), 6 states have internal predecessors, (1013), 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) [2021-03-26 00:00:11,012 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:11,012 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:11,012 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:00:11,012 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:11,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:11,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1959487363, now seen corresponding path program 1 times [2021-03-26 00:00:11,013 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:11,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [107974392] [2021-03-26 00:00:11,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:11,064 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:11,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:11,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:11,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:11,070 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:11,070 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:11,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:11,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [107974392] [2021-03-26 00:00:11,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:11,074 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:11,074 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930049242] [2021-03-26 00:00:11,074 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:11,074 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:11,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:11,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:11,075 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 211 [2021-03-26 00:00:11,076 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 410 flow. Second operand has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-03-26 00:00:11,076 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:11,076 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 211 [2021-03-26 00:00:11,076 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:11,203 INFO L129 PetriNetUnfolder]: 390/774 cut-off events. [2021-03-26 00:00:11,203 INFO L130 PetriNetUnfolder]: For 5721/6299 co-relation queries the response was YES. [2021-03-26 00:00:11,206 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3926 conditions, 774 events. 390/774 cut-off events. For 5721/6299 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4689 event pairs, 115 based on Foata normal form. 72/777 useless extension candidates. Maximal degree in co-relation 3904. Up to 449 conditions per place. [2021-03-26 00:00:11,212 INFO L132 encePairwiseOnDemand]: 208/211 looper letters, 3 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2021-03-26 00:00:11,213 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 55 transitions, 422 flow [2021-03-26 00:00:11,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:11,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:11,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 726 transitions. [2021-03-26 00:00:11,215 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8601895734597157 [2021-03-26 00:00:11,215 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 726 transitions. [2021-03-26 00:00:11,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 726 transitions. [2021-03-26 00:00:11,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:11,216 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 726 transitions. [2021-03-26 00:00:11,217 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.5) internal successors, (726), 4 states have internal predecessors, (726), 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) [2021-03-26 00:00:11,219 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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) [2021-03-26 00:00:11,219 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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) [2021-03-26 00:00:11,219 INFO L185 Difference]: Start difference. First operand has 59 places, 54 transitions, 410 flow. Second operand 4 states and 726 transitions. [2021-03-26 00:00:11,219 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 55 transitions, 422 flow [2021-03-26 00:00:11,225 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 55 transitions, 375 flow, removed 21 selfloop flow, removed 2 redundant places. [2021-03-26 00:00:11,226 INFO L241 Difference]: Finished difference. Result has 62 places, 55 transitions, 376 flow [2021-03-26 00:00:11,226 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=363, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=376, PETRI_PLACES=62, PETRI_TRANSITIONS=55} [2021-03-26 00:00:11,227 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 3 predicate places. [2021-03-26 00:00:11,227 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:11,227 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 55 transitions, 376 flow [2021-03-26 00:00:11,227 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 55 transitions, 376 flow [2021-03-26 00:00:11,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 55 transitions, 376 flow [2021-03-26 00:00:11,325 INFO L129 PetriNetUnfolder]: 395/785 cut-off events. [2021-03-26 00:00:11,326 INFO L130 PetriNetUnfolder]: For 2588/2850 co-relation queries the response was YES. [2021-03-26 00:00:11,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3123 conditions, 785 events. 395/785 cut-off events. For 2588/2850 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 4775 event pairs, 99 based on Foata normal form. 12/725 useless extension candidates. Maximal degree in co-relation 3102. Up to 452 conditions per place. [2021-03-26 00:00:11,375 INFO L142 LiptonReduction]: Number of co-enabled transitions 812 [2021-03-26 00:00:11,443 INFO L154 LiptonReduction]: Checked pairs total: 506 [2021-03-26 00:00:11,443 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:11,443 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 216 [2021-03-26 00:00:11,444 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 55 transitions, 376 flow [2021-03-26 00:00:11,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 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) [2021-03-26 00:00:11,445 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:11,445 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:11,445 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:00:11,445 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:11,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:11,446 INFO L82 PathProgramCache]: Analyzing trace with hash 715930199, now seen corresponding path program 2 times [2021-03-26 00:00:11,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:11,446 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1181848862] [2021-03-26 00:00:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:11,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:11,506 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:11,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:11,511 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:11,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:11,521 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:11,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:11,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:11,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1181848862] [2021-03-26 00:00:11,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:11,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:11,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39622957] [2021-03-26 00:00:11,523 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:11,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:11,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:11,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:11,525 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 211 [2021-03-26 00:00:11,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 55 transitions, 376 flow. Second operand has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:11,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:11,526 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 211 [2021-03-26 00:00:11,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:11,830 INFO L129 PetriNetUnfolder]: 1057/1953 cut-off events. [2021-03-26 00:00:11,830 INFO L130 PetriNetUnfolder]: For 4466/5175 co-relation queries the response was YES. [2021-03-26 00:00:11,841 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6465 conditions, 1953 events. 1057/1953 cut-off events. For 4466/5175 co-relation queries the response was YES. Maximal size of possible extension queue 274. Compared 14246 event pairs, 436 based on Foata normal form. 257/1992 useless extension candidates. Maximal degree in co-relation 6442. Up to 895 conditions per place. [2021-03-26 00:00:11,852 INFO L132 encePairwiseOnDemand]: 204/211 looper letters, 11 selfloop transitions, 10 changer transitions 0/68 dead transitions. [2021-03-26 00:00:11,852 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 68 transitions, 444 flow [2021-03-26 00:00:11,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:00:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:00:11,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 917 transitions. [2021-03-26 00:00:11,855 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8691943127962085 [2021-03-26 00:00:11,855 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 917 transitions. [2021-03-26 00:00:11,855 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 917 transitions. [2021-03-26 00:00:11,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:11,856 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 917 transitions. [2021-03-26 00:00:11,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 183.4) internal successors, (917), 5 states have internal predecessors, (917), 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) [2021-03-26 00:00:11,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 211.0) internal successors, (1266), 6 states have internal predecessors, (1266), 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) [2021-03-26 00:00:11,859 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 211.0) internal successors, (1266), 6 states have internal predecessors, (1266), 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) [2021-03-26 00:00:11,860 INFO L185 Difference]: Start difference. First operand has 62 places, 55 transitions, 376 flow. Second operand 5 states and 917 transitions. [2021-03-26 00:00:11,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 68 transitions, 444 flow [2021-03-26 00:00:11,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 68 transitions, 443 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:11,867 INFO L241 Difference]: Finished difference. Result has 68 places, 64 transitions, 454 flow [2021-03-26 00:00:11,867 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=375, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=454, PETRI_PLACES=68, PETRI_TRANSITIONS=64} [2021-03-26 00:00:11,867 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 9 predicate places. [2021-03-26 00:00:11,868 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:11,868 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 64 transitions, 454 flow [2021-03-26 00:00:11,868 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 64 transitions, 454 flow [2021-03-26 00:00:11,868 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 64 transitions, 454 flow [2021-03-26 00:00:12,089 INFO L129 PetriNetUnfolder]: 1091/2006 cut-off events. [2021-03-26 00:00:12,090 INFO L130 PetriNetUnfolder]: For 5757/6776 co-relation queries the response was YES. [2021-03-26 00:00:12,103 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7728 conditions, 2006 events. 1091/2006 cut-off events. For 5757/6776 co-relation queries the response was YES. Maximal size of possible extension queue 255. Compared 14318 event pairs, 391 based on Foata normal form. 61/1832 useless extension candidates. Maximal degree in co-relation 7703. Up to 944 conditions per place. [2021-03-26 00:00:12,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 1112 [2021-03-26 00:00:12,165 INFO L154 LiptonReduction]: Checked pairs total: 403 [2021-03-26 00:00:12,165 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:12,165 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-03-26 00:00:12,167 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 64 transitions, 454 flow [2021-03-26 00:00:12,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 179.75) internal successors, (719), 4 states have internal predecessors, (719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:00:12,168 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:12,168 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:12,168 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:00:12,168 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:12,168 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:12,168 INFO L82 PathProgramCache]: Analyzing trace with hash -1373599308, now seen corresponding path program 1 times [2021-03-26 00:00:12,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:12,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370545870] [2021-03-26 00:00:12,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:12,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:12,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:12,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:12,223 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:12,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:12,233 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:12,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:12,234 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370545870] [2021-03-26 00:00:12,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:12,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:00:12,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853989531] [2021-03-26 00:00:12,234 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:00:12,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:12,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:00:12,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:00:12,236 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 211 [2021-03-26 00:00:12,236 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 64 transitions, 454 flow. Second operand has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 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) [2021-03-26 00:00:12,236 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:12,236 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 211 [2021-03-26 00:00:12,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:12,494 INFO L129 PetriNetUnfolder]: 636/1352 cut-off events. [2021-03-26 00:00:12,494 INFO L130 PetriNetUnfolder]: For 4303/8010 co-relation queries the response was YES. [2021-03-26 00:00:12,502 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5664 conditions, 1352 events. 636/1352 cut-off events. For 4303/8010 co-relation queries the response was YES. Maximal size of possible extension queue 198. Compared 10290 event pairs, 133 based on Foata normal form. 620/1837 useless extension candidates. Maximal degree in co-relation 5637. Up to 773 conditions per place. [2021-03-26 00:00:12,508 INFO L132 encePairwiseOnDemand]: 204/211 looper letters, 11 selfloop transitions, 19 changer transitions 1/73 dead transitions. [2021-03-26 00:00:12,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 73 transitions, 554 flow [2021-03-26 00:00:12,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:00:12,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:00:12,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1284 transitions. [2021-03-26 00:00:12,512 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8693297224102912 [2021-03-26 00:00:12,512 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1284 transitions. [2021-03-26 00:00:12,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1284 transitions. [2021-03-26 00:00:12,513 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:12,513 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1284 transitions. [2021-03-26 00:00:12,515 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 183.42857142857142) internal successors, (1284), 7 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) [2021-03-26 00:00:12,518 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 211.0) internal successors, (1688), 8 states have internal predecessors, (1688), 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) [2021-03-26 00:00:12,518 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 211.0) internal successors, (1688), 8 states have internal predecessors, (1688), 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) [2021-03-26 00:00:12,518 INFO L185 Difference]: Start difference. First operand has 68 places, 64 transitions, 454 flow. Second operand 7 states and 1284 transitions. [2021-03-26 00:00:12,518 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 73 transitions, 554 flow [2021-03-26 00:00:12,529 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 73 transitions, 549 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-26 00:00:12,530 INFO L241 Difference]: Finished difference. Result has 76 places, 68 transitions, 542 flow [2021-03-26 00:00:12,530 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=413, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=542, PETRI_PLACES=76, PETRI_TRANSITIONS=68} [2021-03-26 00:00:12,530 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 17 predicate places. [2021-03-26 00:00:12,530 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:12,530 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 542 flow [2021-03-26 00:00:12,531 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 542 flow [2021-03-26 00:00:12,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 542 flow [2021-03-26 00:00:12,673 INFO L129 PetriNetUnfolder]: 635/1350 cut-off events. [2021-03-26 00:00:12,674 INFO L130 PetriNetUnfolder]: For 6323/9762 co-relation queries the response was YES. [2021-03-26 00:00:12,682 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6357 conditions, 1350 events. 635/1350 cut-off events. For 6323/9762 co-relation queries the response was YES. Maximal size of possible extension queue 189. Compared 9981 event pairs, 111 based on Foata normal form. 78/1290 useless extension candidates. Maximal degree in co-relation 6328. Up to 787 conditions per place. [2021-03-26 00:00:12,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 1324 [2021-03-26 00:00:12,714 INFO L154 LiptonReduction]: Checked pairs total: 255 [2021-03-26 00:00:12,714 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:12,715 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-03-26 00:00:12,716 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 68 transitions, 542 flow [2021-03-26 00:00:12,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 179.8) internal successors, (899), 5 states have internal predecessors, (899), 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) [2021-03-26 00:00:12,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:12,716 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] [2021-03-26 00:00:12,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:00:12,716 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:12,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:12,717 INFO L82 PathProgramCache]: Analyzing trace with hash -648923663, now seen corresponding path program 1 times [2021-03-26 00:00:12,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:12,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467718302] [2021-03-26 00:00:12,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:12,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:12,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:12,788 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:12,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:12,798 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:12,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:12,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:12,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:12,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:12,808 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467718302] [2021-03-26 00:00:12,808 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:12,808 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:00:12,809 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839407239] [2021-03-26 00:00:12,809 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:00:12,809 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:12,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:00:12,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:00:12,811 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 211 [2021-03-26 00:00:12,812 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 68 transitions, 542 flow. Second operand has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 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) [2021-03-26 00:00:12,812 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:12,812 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 211 [2021-03-26 00:00:12,812 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:13,018 INFO L129 PetriNetUnfolder]: 462/1068 cut-off events. [2021-03-26 00:00:13,018 INFO L130 PetriNetUnfolder]: For 7069/14721 co-relation queries the response was YES. [2021-03-26 00:00:13,025 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5611 conditions, 1068 events. 462/1068 cut-off events. For 7069/14721 co-relation queries the response was YES. Maximal size of possible extension queue 156. Compared 8297 event pairs, 40 based on Foata normal form. 842/1796 useless extension candidates. Maximal degree in co-relation 5580. Up to 717 conditions per place. [2021-03-26 00:00:13,032 INFO L132 encePairwiseOnDemand]: 204/211 looper letters, 6 selfloop transitions, 28 changer transitions 4/77 dead transitions. [2021-03-26 00:00:13,032 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 77 transitions, 701 flow [2021-03-26 00:00:13,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-26 00:00:13,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-26 00:00:13,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1651 transitions. [2021-03-26 00:00:13,036 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8694049499736703 [2021-03-26 00:00:13,036 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1651 transitions. [2021-03-26 00:00:13,036 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1651 transitions. [2021-03-26 00:00:13,037 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:13,037 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1651 transitions. [2021-03-26 00:00:13,040 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 183.44444444444446) internal successors, (1651), 9 states have internal predecessors, (1651), 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) [2021-03-26 00:00:13,043 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 211.0) internal successors, (2110), 10 states have internal predecessors, (2110), 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) [2021-03-26 00:00:13,044 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 211.0) internal successors, (2110), 10 states have internal predecessors, (2110), 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) [2021-03-26 00:00:13,044 INFO L185 Difference]: Start difference. First operand has 76 places, 68 transitions, 542 flow. Second operand 9 states and 1651 transitions. [2021-03-26 00:00:13,044 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 77 transitions, 701 flow [2021-03-26 00:00:13,063 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 77 transitions, 613 flow, removed 24 selfloop flow, removed 8 redundant places. [2021-03-26 00:00:13,065 INFO L241 Difference]: Finished difference. Result has 79 places, 73 transitions, 589 flow [2021-03-26 00:00:13,065 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=411, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=589, PETRI_PLACES=79, PETRI_TRANSITIONS=73} [2021-03-26 00:00:13,065 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 20 predicate places. [2021-03-26 00:00:13,065 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:13,065 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 73 transitions, 589 flow [2021-03-26 00:00:13,065 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 73 transitions, 589 flow [2021-03-26 00:00:13,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 73 transitions, 589 flow [2021-03-26 00:00:13,162 INFO L129 PetriNetUnfolder]: 444/1037 cut-off events. [2021-03-26 00:00:13,162 INFO L130 PetriNetUnfolder]: For 5149/6192 co-relation queries the response was YES. [2021-03-26 00:00:13,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4853 conditions, 1037 events. 444/1037 cut-off events. For 5149/6192 co-relation queries the response was YES. Maximal size of possible extension queue 151. Compared 8005 event pairs, 28 based on Foata normal form. 37/964 useless extension candidates. Maximal degree in co-relation 4824. Up to 447 conditions per place. [2021-03-26 00:00:13,181 INFO L142 LiptonReduction]: Number of co-enabled transitions 1424 [2021-03-26 00:00:13,252 INFO L154 LiptonReduction]: Checked pairs total: 627 [2021-03-26 00:00:13,253 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:00:13,253 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 188 [2021-03-26 00:00:13,254 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 70 transitions, 563 flow [2021-03-26 00:00:13,260 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 179.83333333333334) internal successors, (1079), 6 states have internal predecessors, (1079), 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) [2021-03-26 00:00:13,260 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:13,260 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, 1, 1, 1] [2021-03-26 00:00:13,260 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-26 00:00:13,260 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:13,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:13,261 INFO L82 PathProgramCache]: Analyzing trace with hash -1725409889, now seen corresponding path program 1 times [2021-03-26 00:00:13,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:13,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342359797] [2021-03-26 00:00:13,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:13,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:13,308 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,309 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,312 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:13,316 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342359797] [2021-03-26 00:00:13,316 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:13,316 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:13,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078108577] [2021-03-26 00:00:13,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:13,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:13,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:13,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:13,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 211 [2021-03-26 00:00:13,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 70 transitions, 563 flow. Second operand has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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) [2021-03-26 00:00:13,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:13,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 211 [2021-03-26 00:00:13,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:13,448 INFO L129 PetriNetUnfolder]: 471/1021 cut-off events. [2021-03-26 00:00:13,449 INFO L130 PetriNetUnfolder]: For 4120/4750 co-relation queries the response was YES. [2021-03-26 00:00:13,454 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4384 conditions, 1021 events. 471/1021 cut-off events. For 4120/4750 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6704 event pairs, 69 based on Foata normal form. 24/951 useless extension candidates. Maximal degree in co-relation 4353. Up to 385 conditions per place. [2021-03-26 00:00:13,461 INFO L132 encePairwiseOnDemand]: 208/211 looper letters, 3 selfloop transitions, 2 changer transitions 0/59 dead transitions. [2021-03-26 00:00:13,461 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 59 transitions, 443 flow [2021-03-26 00:00:13,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:13,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:13,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 730 transitions. [2021-03-26 00:00:13,464 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8649289099526066 [2021-03-26 00:00:13,464 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 730 transitions. [2021-03-26 00:00:13,464 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 730 transitions. [2021-03-26 00:00:13,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:13,464 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 730 transitions. [2021-03-26 00:00:13,466 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 182.5) internal successors, (730), 4 states have internal predecessors, (730), 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) [2021-03-26 00:00:13,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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) [2021-03-26 00:00:13,467 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 211.0) internal successors, (1055), 5 states have internal predecessors, (1055), 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) [2021-03-26 00:00:13,467 INFO L185 Difference]: Start difference. First operand has 79 places, 70 transitions, 563 flow. Second operand 4 states and 730 transitions. [2021-03-26 00:00:13,467 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 59 transitions, 443 flow [2021-03-26 00:00:13,485 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 59 transitions, 380 flow, removed 25 selfloop flow, removed 7 redundant places. [2021-03-26 00:00:13,486 INFO L241 Difference]: Finished difference. Result has 69 places, 59 transitions, 381 flow [2021-03-26 00:00:13,486 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=381, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2021-03-26 00:00:13,486 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 10 predicate places. [2021-03-26 00:00:13,486 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:13,486 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 59 transitions, 381 flow [2021-03-26 00:00:13,487 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 59 transitions, 381 flow [2021-03-26 00:00:13,487 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 59 transitions, 381 flow [2021-03-26 00:00:13,601 INFO L129 PetriNetUnfolder]: 472/1010 cut-off events. [2021-03-26 00:00:13,601 INFO L130 PetriNetUnfolder]: For 1932/2198 co-relation queries the response was YES. [2021-03-26 00:00:13,605 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3602 conditions, 1010 events. 472/1010 cut-off events. For 1932/2198 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 6705 event pairs, 52 based on Foata normal form. 12/939 useless extension candidates. Maximal degree in co-relation 3576. Up to 324 conditions per place. [2021-03-26 00:00:13,613 INFO L142 LiptonReduction]: Number of co-enabled transitions 926 [2021-03-26 00:00:13,663 INFO L154 LiptonReduction]: Checked pairs total: 172 [2021-03-26 00:00:13,663 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:00:13,663 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 177 [2021-03-26 00:00:13,664 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 381 flow [2021-03-26 00:00:13,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 182.0) internal successors, (728), 4 states have internal predecessors, (728), 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) [2021-03-26 00:00:13,664 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:13,664 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, 1, 1, 1] [2021-03-26 00:00:13,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-26 00:00:13,665 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:13,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:13,665 INFO L82 PathProgramCache]: Analyzing trace with hash -1053293541, now seen corresponding path program 2 times [2021-03-26 00:00:13,665 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:13,665 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16685062] [2021-03-26 00:00:13,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:13,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:13,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,729 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,730 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:13,736 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:00:13,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:00:13,745 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:13,746 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:13,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:13,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16685062] [2021-03-26 00:00:13,749 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:13,750 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:00:13,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177369471] [2021-03-26 00:00:13,751 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:00:13,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:13,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:00:13,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:00:13,752 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 211 [2021-03-26 00:00:13,753 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 381 flow. Second operand has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 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) [2021-03-26 00:00:13,753 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:13,753 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 211 [2021-03-26 00:00:13,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:13,911 INFO L129 PetriNetUnfolder]: 430/929 cut-off events. [2021-03-26 00:00:13,911 INFO L130 PetriNetUnfolder]: For 1915/2825 co-relation queries the response was YES. [2021-03-26 00:00:13,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3688 conditions, 929 events. 430/929 cut-off events. For 1915/2825 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 6096 event pairs, 51 based on Foata normal form. 260/1099 useless extension candidates. Maximal degree in co-relation 3660. Up to 290 conditions per place. [2021-03-26 00:00:13,919 INFO L132 encePairwiseOnDemand]: 204/211 looper letters, 2 selfloop transitions, 18 changer transitions 4/64 dead transitions. [2021-03-26 00:00:13,919 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 64 transitions, 477 flow [2021-03-26 00:00:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 00:00:13,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 00:00:13,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1458 transitions. [2021-03-26 00:00:13,923 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8637440758293838 [2021-03-26 00:00:13,923 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1458 transitions. [2021-03-26 00:00:13,923 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1458 transitions. [2021-03-26 00:00:13,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:13,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1458 transitions. [2021-03-26 00:00:13,926 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 182.25) internal successors, (1458), 8 states have internal predecessors, (1458), 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) [2021-03-26 00:00:13,928 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 211.0) internal successors, (1899), 9 states have internal predecessors, (1899), 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) [2021-03-26 00:00:13,929 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 211.0) internal successors, (1899), 9 states have internal predecessors, (1899), 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) [2021-03-26 00:00:13,929 INFO L185 Difference]: Start difference. First operand has 69 places, 59 transitions, 381 flow. Second operand 8 states and 1458 transitions. [2021-03-26 00:00:13,929 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 64 transitions, 477 flow [2021-03-26 00:00:13,937 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 64 transitions, 430 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-26 00:00:13,938 INFO L241 Difference]: Finished difference. Result has 75 places, 60 transitions, 402 flow [2021-03-26 00:00:13,938 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=211, PETRI_DIFFERENCE_MINUEND_FLOW=342, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=402, PETRI_PLACES=75, PETRI_TRANSITIONS=60} [2021-03-26 00:00:13,939 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 16 predicate places. [2021-03-26 00:00:13,939 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:13,939 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 60 transitions, 402 flow [2021-03-26 00:00:13,939 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 60 transitions, 402 flow [2021-03-26 00:00:13,939 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 60 transitions, 402 flow [2021-03-26 00:00:14,019 INFO L129 PetriNetUnfolder]: 418/904 cut-off events. [2021-03-26 00:00:14,020 INFO L130 PetriNetUnfolder]: For 1803/2052 co-relation queries the response was YES. [2021-03-26 00:00:14,024 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3488 conditions, 904 events. 418/904 cut-off events. For 1803/2052 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5972 event pairs, 37 based on Foata normal form. 7/833 useless extension candidates. Maximal degree in co-relation 3461. Up to 289 conditions per place. [2021-03-26 00:00:14,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 894 [2021-03-26 00:00:14,751 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 188 [2021-03-26 00:00:15,004 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 172 [2021-03-26 00:00:16,395 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 343 DAG size of output: 266 [2021-03-26 00:00:16,916 WARN L205 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2021-03-26 00:00:17,159 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-03-26 00:00:17,397 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 182 [2021-03-26 00:00:17,934 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-03-26 00:00:18,499 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-03-26 00:00:18,522 INFO L154 LiptonReduction]: Checked pairs total: 394 [2021-03-26 00:00:18,523 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:00:18,523 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4584 [2021-03-26 00:00:18,523 INFO L480 AbstractCegarLoop]: Abstraction has has 71 places, 57 transitions, 386 flow [2021-03-26 00:00:18,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 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) [2021-03-26 00:00:18,524 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:18,524 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, 1, 1, 1, 1, 1, 1] [2021-03-26 00:00:18,524 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-26 00:00:18,524 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:18,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:18,524 INFO L82 PathProgramCache]: Analyzing trace with hash 155587666, now seen corresponding path program 1 times [2021-03-26 00:00:18,525 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:18,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722811557] [2021-03-26 00:00:18,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:18,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:00:18,563 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:18,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:00:18,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:18,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:18,567 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:00:18,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:00:18,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:00:18,606 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722811557] [2021-03-26 00:00:18,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:00:18,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:00:18,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775103453] [2021-03-26 00:00:18,607 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:00:18,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:00:18,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:00:18,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:00:18,608 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 213 [2021-03-26 00:00:18,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 71 places, 57 transitions, 386 flow. Second operand has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 00:00:18,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:00:18,609 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 213 [2021-03-26 00:00:18,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:00:18,838 INFO L129 PetriNetUnfolder]: 831/1705 cut-off events. [2021-03-26 00:00:18,838 INFO L130 PetriNetUnfolder]: For 5136/5906 co-relation queries the response was YES. [2021-03-26 00:00:18,850 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6446 conditions, 1705 events. 831/1705 cut-off events. For 5136/5906 co-relation queries the response was YES. Maximal size of possible extension queue 203. Compared 12595 event pairs, 104 based on Foata normal form. 65/1614 useless extension candidates. Maximal degree in co-relation 6417. Up to 576 conditions per place. [2021-03-26 00:00:18,858 INFO L132 encePairwiseOnDemand]: 210/213 looper letters, 3 selfloop transitions, 2 changer transitions 12/58 dead transitions. [2021-03-26 00:00:18,858 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 58 transitions, 398 flow [2021-03-26 00:00:18,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:00:18,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:00:18,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 762 transitions. [2021-03-26 00:00:18,861 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8943661971830986 [2021-03-26 00:00:18,861 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 762 transitions. [2021-03-26 00:00:18,861 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 762 transitions. [2021-03-26 00:00:18,862 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:00:18,862 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 762 transitions. [2021-03-26 00:00:18,863 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 190.5) internal successors, (762), 4 states have internal predecessors, (762), 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) [2021-03-26 00:00:18,865 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-03-26 00:00:18,865 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 213.0) internal successors, (1065), 5 states have internal predecessors, (1065), 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) [2021-03-26 00:00:18,865 INFO L185 Difference]: Start difference. First operand has 71 places, 57 transitions, 386 flow. Second operand 4 states and 762 transitions. [2021-03-26 00:00:18,865 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 58 transitions, 398 flow [2021-03-26 00:00:18,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 58 transitions, 331 flow, removed 16 selfloop flow, removed 9 redundant places. [2021-03-26 00:00:18,902 INFO L241 Difference]: Finished difference. Result has 67 places, 46 transitions, 254 flow [2021-03-26 00:00:18,902 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=213, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=254, PETRI_PLACES=67, PETRI_TRANSITIONS=46} [2021-03-26 00:00:18,903 INFO L343 CegarLoopForPetriNet]: 59 programPoint places, 8 predicate places. [2021-03-26 00:00:18,903 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:00:18,903 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 46 transitions, 254 flow [2021-03-26 00:00:18,903 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 46 transitions, 254 flow [2021-03-26 00:00:18,903 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 46 transitions, 254 flow [2021-03-26 00:00:18,962 INFO L129 PetriNetUnfolder]: 247/567 cut-off events. [2021-03-26 00:00:18,962 INFO L130 PetriNetUnfolder]: For 845/1041 co-relation queries the response was YES. [2021-03-26 00:00:18,965 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1816 conditions, 567 events. 247/567 cut-off events. For 845/1041 co-relation queries the response was YES. Maximal size of possible extension queue 65. Compared 3485 event pairs, 28 based on Foata normal form. 11/534 useless extension candidates. Maximal degree in co-relation 1793. Up to 192 conditions per place. [2021-03-26 00:00:18,969 INFO L142 LiptonReduction]: Number of co-enabled transitions 546 [2021-03-26 00:00:19,066 INFO L154 LiptonReduction]: Checked pairs total: 72 [2021-03-26 00:00:19,066 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-26 00:00:19,066 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 163 [2021-03-26 00:00:19,066 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 44 transitions, 252 flow [2021-03-26 00:00:19,067 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 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) [2021-03-26 00:00:19,067 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:00:19,067 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, 1, 1, 1, 1, 1] [2021-03-26 00:00:19,067 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-26 00:00:19,067 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:00:19,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:00:19,068 INFO L82 PathProgramCache]: Analyzing trace with hash 465628660, now seen corresponding path program 1 times [2021-03-26 00:00:19,068 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:00:19,068 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576714337] [2021-03-26 00:00:19,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:00:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:00:19,113 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:00:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:00:19,161 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:00:19,203 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:00:19,204 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:00:19,204 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-26 00:00:19,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:00:19 BasicIcfg [2021-03-26 00:00:19,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:00:19,330 INFO L168 Benchmark]: Toolchain (without parser) took 31266.33 ms. Allocated memory was 358.6 MB in the beginning and 998.2 MB in the end (delta: 639.6 MB). Free memory was 321.8 MB in the beginning and 718.2 MB in the end (delta: -396.4 MB). Peak memory consumption was 245.3 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,330 INFO L168 Benchmark]: CDTParser took 2.92 ms. Allocated memory is still 358.6 MB. Free memory was 340.2 MB in the beginning and 340.1 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:00:19,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 532.33 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 317.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,331 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.92 ms. Allocated memory is still 358.6 MB. Free memory was 317.6 MB in the beginning and 314.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,331 INFO L168 Benchmark]: Boogie Preprocessor took 50.92 ms. Allocated memory is still 358.6 MB. Free memory was 314.4 MB in the beginning and 312.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,331 INFO L168 Benchmark]: RCFGBuilder took 2118.47 ms. Allocated memory is still 358.6 MB. Free memory was 312.3 MB in the beginning and 206.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 133.4 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,331 INFO L168 Benchmark]: TraceAbstraction took 28464.05 ms. Allocated memory was 358.6 MB in the beginning and 998.2 MB in the end (delta: 639.6 MB). Free memory was 206.2 MB in the beginning and 718.2 MB in the end (delta: -512.0 MB). Peak memory consumption was 127.7 MB. Max. memory is 16.0 GB. [2021-03-26 00:00:19,336 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.92 ms. Allocated memory is still 358.6 MB. Free memory was 340.2 MB in the beginning and 340.1 MB in the end (delta: 71.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 532.33 ms. Allocated memory is still 358.6 MB. Free memory was 321.6 MB in the beginning and 317.6 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 80.92 ms. Allocated memory is still 358.6 MB. Free memory was 317.6 MB in the beginning and 314.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.92 ms. Allocated memory is still 358.6 MB. Free memory was 314.4 MB in the beginning and 312.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2118.47 ms. Allocated memory is still 358.6 MB. Free memory was 312.3 MB in the beginning and 206.2 MB in the end (delta: 106.1 MB). Peak memory consumption was 133.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 28464.05 ms. Allocated memory was 358.6 MB in the beginning and 998.2 MB in the end (delta: 639.6 MB). Free memory was 206.2 MB in the beginning and 718.2 MB in the end (delta: -512.0 MB). Peak memory consumption was 127.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8992.9ms, 127 PlacesBefore, 59 PlacesAfterwards, 116 TransitionsBefore, 47 TransitionsAfterwards, 2878 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 41 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 1 ChoiceCompositions, 76 TotalNumberOfCompositions, 5805 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2635, positive: 2508, positive conditional: 2508, positive unconditional: 0, negative: 127, negative conditional: 127, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1890, positive: 1836, positive conditional: 0, positive unconditional: 1836, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1890, positive: 1836, positive conditional: 0, positive unconditional: 1836, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1890, positive: 1824, positive conditional: 0, positive unconditional: 1824, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1115, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 1079, negative conditional: 0, negative unconditional: 1079, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2635, positive: 672, positive conditional: 672, positive unconditional: 0, negative: 73, negative conditional: 73, negative unconditional: 0, unknown: 1890, unknown conditional: 1890, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 201, Positive cache size: 177, Positive conditional cache size: 177, Positive unconditional cache size: 0, Negative cache size: 24, Negative conditional cache size: 24, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4000.3ms, 55 PlacesBefore, 41 PlacesAfterwards, 41 TransitionsBefore, 30 TransitionsAfterwards, 522 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 2470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 787, positive: 662, positive conditional: 662, positive unconditional: 0, negative: 125, negative conditional: 125, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 149, positive: 124, positive conditional: 27, positive unconditional: 97, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 149, positive: 124, positive conditional: 27, positive unconditional: 97, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 149, positive: 118, positive conditional: 0, positive unconditional: 118, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 31, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 25, negative conditional: 9, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 521, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 503, negative conditional: 177, negative unconditional: 326, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 787, positive: 538, positive conditional: 538, positive unconditional: 0, negative: 100, negative conditional: 100, negative unconditional: 0, unknown: 149, unknown conditional: 149, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 287, Positive cache size: 248, Positive conditional cache size: 248, Positive unconditional cache size: 0, Negative cache size: 39, Negative conditional cache size: 39, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1264.4ms, 42 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 28 TransitionsAfterwards, 446 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1075 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 396, positive: 340, positive conditional: 340, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 51, positive: 42, positive conditional: 28, positive unconditional: 14, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 51, positive: 42, positive conditional: 28, positive unconditional: 14, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 51, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 2, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 183, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 183, negative conditional: 7, negative unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 396, positive: 298, positive conditional: 298, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 51, unknown conditional: 51, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 264, Positive cache size: 219, Positive conditional cache size: 219, Positive unconditional cache size: 0, Negative cache size: 45, Negative conditional cache size: 45, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 536.8ms, 41 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 240, positive: 189, positive conditional: 189, positive unconditional: 0, negative: 51, negative conditional: 51, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48, positive: 31, positive conditional: 23, positive unconditional: 8, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 31, positive conditional: 23, positive unconditional: 8, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 31, positive conditional: 0, positive unconditional: 31, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 501, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 501, negative conditional: 0, negative unconditional: 501, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 240, positive: 158, positive conditional: 158, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 238, Positive cache size: 182, Positive conditional cache size: 182, Positive unconditional cache size: 0, Negative cache size: 56, Negative conditional cache size: 56, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 103.2ms, 41 PlacesBefore, 41 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 430 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 418 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 135, positive: 113, positive conditional: 113, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 26, positive conditional: 9, positive unconditional: 17, 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: 36, positive: 26, positive conditional: 9, positive unconditional: 17, 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: 36, positive: 26, positive conditional: 0, positive unconditional: 26, 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: 91, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 135, positive: 87, positive conditional: 87, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 274, Positive cache size: 208, Positive conditional cache size: 208, Positive unconditional cache size: 0, Negative cache size: 66, Negative conditional cache size: 66, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.8ms, 44 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 492 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 238 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 71, positive: 60, positive conditional: 60, 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: 20, positive: 15, positive conditional: 6, positive unconditional: 9, 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: 20, positive: 15, positive conditional: 6, positive unconditional: 9, 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: 20, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 1, positive unconditional: 0, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 169, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 157, negative conditional: 34, negative unconditional: 124, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 71, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 294, Positive cache size: 223, Positive conditional cache size: 223, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 127.5ms, 46 PlacesBefore, 46 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 169 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 29, positive conditional: 29, 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: 10, positive: 8, positive conditional: 3, positive unconditional: 5, 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: 10, positive: 8, positive conditional: 3, positive unconditional: 5, 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: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 47, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 304, Positive cache size: 231, Positive conditional cache size: 231, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 175.9ms, 49 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 550 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 194 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 51, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 14, positive unconditional: 6, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 97, negative conditional: 0, negative unconditional: 97, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 51, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 328, Positive cache size: 251, Positive conditional cache size: 251, Positive unconditional cache size: 0, Negative cache size: 77, Negative conditional cache size: 77, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 148.1ms, 51 PlacesBefore, 51 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 620 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 279 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 68, positive conditional: 68, 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: 20, positive: 17, positive conditional: 7, 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: 20, positive: 17, positive conditional: 7, 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: 20, positive: 17, positive conditional: 0, positive unconditional: 17, 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: 52, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 52, negative conditional: 0, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 8, negative conditional: 8, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 348, Positive cache size: 268, Positive conditional cache size: 268, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1016.8ms, 54 PlacesBefore, 54 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 698 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1012 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 356, positive: 325, positive conditional: 325, 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: 71, positive: 69, positive conditional: 61, positive unconditional: 8, 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: 71, positive: 69, positive conditional: 61, positive unconditional: 8, 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: 71, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 356, positive: 256, positive conditional: 256, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 71, unknown conditional: 71, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 383, Positive cache size: 309, Positive conditional cache size: 309, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.3ms, 59 PlacesBefore, 59 PlacesAfterwards, 54 TransitionsBefore, 54 TransitionsAfterwards, 776 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 854 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 383, positive: 357, positive conditional: 357, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, positive: 66, positive conditional: 57, positive unconditional: 9, 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: 66, positive: 66, positive conditional: 57, positive unconditional: 9, 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: 66, positive: 66, positive conditional: 0, positive unconditional: 66, 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: 383, positive: 291, positive conditional: 291, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 66, unknown conditional: 66, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 449, Positive cache size: 375, Positive conditional cache size: 375, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 216.2ms, 62 PlacesBefore, 62 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 812 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 506 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 220, positive: 204, positive conditional: 204, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 22, positive unconditional: 17, 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: 39, positive: 39, positive conditional: 22, positive unconditional: 17, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, 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: 220, positive: 165, positive conditional: 165, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 488, Positive cache size: 414, Positive conditional cache size: 414, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.0ms, 68 PlacesBefore, 68 PlacesAfterwards, 64 TransitionsBefore, 64 TransitionsAfterwards, 1112 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 403 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 200, positive: 190, positive conditional: 190, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30, positive: 30, positive conditional: 18, positive unconditional: 12, 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: 30, positive: 30, positive conditional: 18, positive unconditional: 12, 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: 30, positive: 30, positive conditional: 0, positive unconditional: 30, 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: 200, positive: 160, positive conditional: 160, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 518, Positive cache size: 444, Positive conditional cache size: 444, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 183.9ms, 76 PlacesBefore, 76 PlacesAfterwards, 68 TransitionsBefore, 68 TransitionsAfterwards, 1324 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 255 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 132, positive conditional: 132, 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: 40, positive: 40, positive conditional: 28, positive unconditional: 12, 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: 40, positive: 40, positive conditional: 28, positive unconditional: 12, 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: 40, positive: 40, positive conditional: 0, positive unconditional: 40, 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: 138, positive: 92, positive conditional: 92, positive unconditional: 0, negative: 6, negative conditional: 6, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 558, Positive cache size: 484, Positive conditional cache size: 484, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 187.3ms, 79 PlacesBefore, 79 PlacesAfterwards, 73 TransitionsBefore, 70 TransitionsAfterwards, 1424 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 627 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 376, positive: 364, positive conditional: 364, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 162, positive: 162, positive conditional: 147, positive unconditional: 15, 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: 162, positive: 162, positive conditional: 147, positive unconditional: 15, 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: 162, positive: 162, positive conditional: 0, positive unconditional: 162, 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: 376, positive: 202, positive conditional: 202, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 162, unknown conditional: 162, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 587, Positive cache size: 517, Positive conditional cache size: 517, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 176.4ms, 69 PlacesBefore, 69 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 926 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 172 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 70, positive: 65, positive conditional: 65, 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: 16, positive: 14, positive conditional: 10, 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: 16, positive: 14, positive conditional: 10, 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: 16, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 70, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 16, unknown conditional: 16, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 603, Positive cache size: 531, Positive conditional cache size: 531, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4583.6ms, 75 PlacesBefore, 71 PlacesAfterwards, 60 TransitionsBefore, 57 TransitionsAfterwards, 894 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 394 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 256, positive: 244, positive conditional: 244, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 45, positive conditional: 44, positive unconditional: 1, 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: 45, positive: 45, positive conditional: 44, positive unconditional: 1, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 256, positive: 199, positive conditional: 199, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 528, Positive cache size: 503, Positive conditional cache size: 503, Positive unconditional cache size: 0, Negative cache size: 25, Negative conditional cache size: 25, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 162.7ms, 67 PlacesBefore, 60 PlacesAfterwards, 46 TransitionsBefore, 44 TransitionsAfterwards, 546 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 72 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 72, positive: 72, positive conditional: 72, 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: 49, positive: 49, positive conditional: 35, positive unconditional: 14, 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: 49, positive: 49, positive conditional: 35, positive unconditional: 14, 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: 49, positive: 49, positive conditional: 0, positive unconditional: 49, 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: 72, positive: 23, positive conditional: 23, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 49, unknown conditional: 49, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 201, Positive conditional cache size: 201, Positive unconditional cache size: 0, Negative cache size: 17, Negative conditional cache size: 17, 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: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L727] 0 _Bool x$flush_delayed; [L728] 0 int x$mem_tmp; [L729] 0 _Bool x$r_buff0_thd0; [L730] 0 _Bool x$r_buff0_thd1; [L731] 0 _Bool x$r_buff0_thd2; [L732] 0 _Bool x$r_buff0_thd3; [L733] 0 _Bool x$r_buff0_thd4; [L734] 0 _Bool x$r_buff1_thd0; [L735] 0 _Bool x$r_buff1_thd1; [L736] 0 _Bool x$r_buff1_thd2; [L737] 0 _Bool x$r_buff1_thd3; [L738] 0 _Bool x$r_buff1_thd4; [L739] 0 _Bool x$read_delayed; [L740] 0 int *x$read_delayed_var; [L741] 0 int x$w_buff0; [L742] 0 _Bool x$w_buff0_used; [L743] 0 int x$w_buff1; [L744] 0 _Bool x$w_buff1_used; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L858] 0 pthread_t t145; [L859] FCALL, FORK 0 pthread_create(&t145, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L860] 0 pthread_t t146; [L861] FCALL, FORK 0 pthread_create(&t146, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L774] 2 x$w_buff1 = x$w_buff0 [L775] 2 x$w_buff0 = 2 [L776] 2 x$w_buff1_used = x$w_buff0_used [L777] 2 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L782] 2 x$r_buff1_thd3 = x$r_buff0_thd3 [L783] 2 x$r_buff1_thd4 = x$r_buff0_thd4 [L784] 2 x$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L862] 0 pthread_t t147; [L863] FCALL, FORK 0 pthread_create(&t147, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0, z=0] [L804] 3 y = 1 [L807] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L810] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L864] 0 pthread_t t148; [L865] FCALL, FORK 0 pthread_create(&t148, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=0] [L827] 4 z = 1 [L830] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L833] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L754] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L757] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L760] EXPR 1 x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x [L760] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L760] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L761] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L761] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L762] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L762] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L763] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L763] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L764] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L764] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L790] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L791] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L792] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L793] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L793] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L794] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L794] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L797] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 2 return 0; [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L813] EXPR 3 x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x [L813] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L813] 3 x = x$w_buff0_used && x$r_buff0_thd3 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd3 ? x$w_buff1 : x) [L814] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L814] 3 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$w_buff0_used [L815] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L815] 3 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$w_buff1_used [L816] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L816] 3 x$r_buff0_thd3 = x$w_buff0_used && x$r_buff0_thd3 ? (_Bool)0 : x$r_buff0_thd3 [L817] EXPR 3 x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L817] 3 x$r_buff1_thd3 = x$w_buff0_used && x$r_buff0_thd3 || x$w_buff1_used && x$r_buff1_thd3 ? (_Bool)0 : x$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L836] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L836] EXPR 4 x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x [L836] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L836] 4 x = x$w_buff0_used && x$r_buff0_thd4 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd4 ? x$w_buff1 : x) [L837] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L837] 4 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$w_buff0_used [L838] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L838] 4 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$w_buff1_used [L839] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L839] 4 x$r_buff0_thd4 = x$w_buff0_used && x$r_buff0_thd4 ? (_Bool)0 : x$r_buff0_thd4 [L840] EXPR 4 x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L840] 4 x$r_buff1_thd4 = x$w_buff0_used && x$r_buff0_thd4 || x$w_buff1_used && x$r_buff1_thd4 ? (_Bool)0 : x$r_buff1_thd4 [L843] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L845] 4 return 0; [L867] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L871] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L871] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L871] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L871] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L872] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L872] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L873] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L873] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L874] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L874] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L875] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L875] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L878] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L879] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L880] 0 x$flush_delayed = weak$$choice2 [L881] 0 x$mem_tmp = x [L882] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L882] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L883] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L883] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0) [L883] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L883] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L884] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L884] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1) [L884] EXPR 0 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L884] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L885] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L885] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used) [L885] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L885] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L886] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L886] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L886] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L886] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L887] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L887] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0) [L887] EXPR 0 weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L887] 0 x$r_buff0_thd0 = weak$$choice2 ? x$r_buff0_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff0_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0)) [L888] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L888] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L888] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L888] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L889] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L890] EXPR 0 x$flush_delayed ? x$mem_tmp : x [L890] 0 x = x$flush_delayed ? x$mem_tmp : x [L891] 0 x$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff0_thd3=0, x$r_buff0_thd4=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$r_buff1_thd3=0, x$r_buff1_thd4=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 119 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 5.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 28236.2ms, OverallIterations: 18, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3246.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9075.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 64 SDtfs, 32 SDslu, 26 SDs, 0 SdLazy, 452 SolverSat, 148 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 594.1ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 703.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=589occurred in iteration=14, InterpolantAutomatonStates: 81, 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: 63.9ms SsaConstructionTime, 532.7ms SatisfiabilityAnalysisTime, 1429.3ms InterpolantComputationTime, 324 NumberOfCodeBlocks, 324 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 1995 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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...