/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/safe023_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:19:43,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:19:43,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:19:43,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-29 00:19:43,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-29 00:19:43,667 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-29 00:19:43,669 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-29 00:19:43,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-29 00:19:43,674 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-29 00:19:43,675 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-29 00:19:43,676 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-29 00:19:43,677 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-29 00:19:43,678 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:19:43,679 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:19:43,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:19:43,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:19:43,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:19:43,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:19:43,686 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:19:43,688 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:19:43,690 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:19:43,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:19:43,699 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:19:43,700 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:19:43,707 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:19:43,724 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:19:43,725 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:19:43,726 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:19:43,727 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:19:43,784 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:19:43,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:19:43,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:19:43,790 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:19:43,790 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:19:43,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:19:43,791 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:19:43,791 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:19:43,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:19:43,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:19:43,792 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:19:43,793 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:19:43,793 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:19:43,793 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:19:43,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:19:43,793 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:19:43,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:19:43,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:19:43,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:19:43,795 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:19:43,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:19:43,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:19:43,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:19:43,803 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:19:43,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:19:43,804 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:19:43,804 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:19:43,804 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:19:43,804 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:19:43,805 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:19:43,805 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:19:44,230 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:19:44,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:19:44,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:19:44,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:19:44,277 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:19:44,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-04-29 00:19:44,365 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c033c493/e872afc020ca404ab87df1637129f68c/FLAG02329b00d [2021-04-29 00:19:45,085 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:19:45,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_rmo.opt.i [2021-04-29 00:19:45,106 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c033c493/e872afc020ca404ab87df1637129f68c/FLAG02329b00d [2021-04-29 00:19:45,372 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c033c493/e872afc020ca404ab87df1637129f68c [2021-04-29 00:19:45,376 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:19:45,422 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:19:45,424 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:19:45,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:19:45,429 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:19:45,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:19:45" (1/1) ... [2021-04-29 00:19:45,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25659a4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:45, skipping insertion in model container [2021-04-29 00:19:45,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:19:45" (1/1) ... [2021-04-29 00:19:45,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:19:45,494 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:19:45,687 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/safe023_rmo.opt.i[992,1005] [2021-04-29 00:19:46,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:19:46,204 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:19:46,222 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/safe023_rmo.opt.i[992,1005] [2021-04-29 00:19:46,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:19:46,428 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:19:46,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46 WrapperNode [2021-04-29 00:19:46,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:19:46,430 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:19:46,430 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:19:46,430 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:19:46,439 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,504 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:19:46,505 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:19:46,505 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:19:46,505 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:19:46,515 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,522 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,537 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,549 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... [2021-04-29 00:19:46,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:19:46,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:19:46,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:19:46,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:19:46,560 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:19:46,696 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:19:46,697 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:19:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:19:46,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:19:46,699 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:19:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:19:46,700 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:19:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:19:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:19:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:19:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:19:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:19:46,701 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:19:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:19:46,704 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:19:50,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:19:50,718 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:19:50,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:19:50 BoogieIcfgContainer [2021-04-29 00:19:50,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:19:50,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:19:50,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:19:50,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:19:50,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:19:45" (1/3) ... [2021-04-29 00:19:50,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a065ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:19:50, skipping insertion in model container [2021-04-29 00:19:50,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:19:46" (2/3) ... [2021-04-29 00:19:50,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a065ef7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:19:50, skipping insertion in model container [2021-04-29 00:19:50,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:19:50" (3/3) ... [2021-04-29 00:19:50,730 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_rmo.opt.i [2021-04-29 00:19:50,738 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:19:50,744 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:19:50,745 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:19:50,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,798 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,798 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,798 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,799 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,799 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,800 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,801 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,802 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,803 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,804 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,805 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,806 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,807 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,808 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,809 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,810 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,811 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,812 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,813 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,814 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,815 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,816 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,817 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,819 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,820 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,824 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,825 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,825 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,826 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,826 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,827 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,828 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,829 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,830 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,831 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,832 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,833 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,834 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,835 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,836 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,837 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,839 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,840 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,841 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,842 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,843 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,844 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,847 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,848 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,849 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,850 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,853 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,854 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,855 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,855 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,856 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,857 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,862 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,862 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,863 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,865 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,866 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,867 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:19:50,873 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:19:50,897 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:19:50,924 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:19:50,925 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:19:50,925 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:19:50,925 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:19:50,925 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:19:50,925 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:19:50,925 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:19:50,925 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:19:50,940 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-29 00:19:50,988 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-29 00:19:50,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:19:50,994 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-29 00:19:50,994 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-29 00:19:51,000 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:51,002 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:19:51,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:51,022 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:51,025 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-29 00:19:51,100 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-29 00:19:51,101 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:19:51,101 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-29 00:19:51,110 INFO L146 LiptonReduction]: Number of co-enabled transitions 1786 [2021-04-29 00:19:54,246 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:19:54,366 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:19:54,939 WARN L205 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:19:55,132 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:19:56,587 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-29 00:19:57,130 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-29 00:19:59,530 WARN L205 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:20:00,564 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:20:04,184 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-29 00:20:04,711 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:20:07,198 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:20:08,342 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:20:09,597 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:20:10,812 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:20:13,521 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:20:14,739 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:20:16,120 WARN L205 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 232 DAG size of output: 192 [2021-04-29 00:20:16,742 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-04-29 00:20:19,645 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 316 DAG size of output: 272 [2021-04-29 00:20:21,001 WARN L205 SmtUtils]: Spent 1.35 s on a formula simplification that was a NOOP. DAG size: 269 [2021-04-29 00:20:24,947 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-29 00:20:25,639 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:20:28,801 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:20:30,302 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:20:32,014 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:20:32,790 WARN L205 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:20:36,255 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:20:37,803 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:20:39,594 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 228 DAG size of output: 187 [2021-04-29 00:20:40,408 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-04-29 00:20:44,317 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:20:46,027 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:20:48,198 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 231 DAG size of output: 191 [2021-04-29 00:20:49,147 WARN L205 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-04-29 00:20:53,473 WARN L205 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:20:55,513 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:20:59,392 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:21:01,445 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:21:06,020 WARN L205 SmtUtils]: Spent 4.57 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-29 00:21:08,064 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-29 00:21:11,869 WARN L205 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 231 DAG size of output: 190 [2021-04-29 00:21:13,047 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:21:18,615 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 315 DAG size of output: 271 [2021-04-29 00:21:21,129 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 268 [2021-04-29 00:21:23,984 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:21:25,282 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:21:30,896 WARN L205 SmtUtils]: Spent 5.61 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:21:33,558 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:21:37,062 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,184 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:37,317 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:37,429 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:37,578 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:37,731 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:37,874 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:38,004 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:38,137 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:38,262 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:38,393 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:38,512 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:38,657 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:38,785 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:38,902 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:39,027 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,163 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,289 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:39,416 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:39,527 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:39,688 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:39,835 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:39,988 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:40,135 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:40,258 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:40,374 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:40,503 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:40,620 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:41,838 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:41,973 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:42,131 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:42,286 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:42,404 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:42,518 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:42,636 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:42,754 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2021-04-29 00:21:43,001 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:43,268 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:43,507 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:43,738 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-29 00:21:43,963 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:44,192 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:44,427 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:44,650 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-29 00:21:44,789 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:44,922 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:45,067 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:45,209 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:21:45,328 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:45,453 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:45,576 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:45,700 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:45,828 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:45,946 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:46,077 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:46,206 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:21:46,353 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:46,498 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:46,641 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:46,789 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:46,935 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:47,080 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:47,226 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:47,371 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:47,499 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:47,622 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:47,746 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:47,865 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:47,985 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:48,093 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:48,205 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:48,314 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2021-04-29 00:21:48,461 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:48,604 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:48,756 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:48,897 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:21:49,024 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:49,162 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:49,290 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:49,423 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:21:49,535 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:49,657 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:49,777 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:49,895 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-29 00:21:50,133 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:50,371 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:50,608 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:50,855 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:21:51,122 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:51,380 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:51,640 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:51,892 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:21:52,191 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:52,483 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:52,743 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:52,997 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:21:53,211 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:53,424 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:53,644 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:53,847 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:21:54,118 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:54,392 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:54,647 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:54,908 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:55,163 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:55,433 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:55,702 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:55,966 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:21:56,173 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:56,400 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:56,606 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:56,813 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:21:57,078 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:57,332 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:57,563 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:57,776 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:21:58,060 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:58,370 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:58,666 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:58,955 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-29 00:21:59,191 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:59,426 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:59,683 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:21:59,913 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:22:00,089 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:00,274 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:00,439 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:00,595 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:00,764 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:00,924 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:01,101 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:01,256 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:01,544 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:22:01,828 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:22:02,127 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:22:02,417 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:22:02,608 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:22:02,794 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:22:03,003 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:22:03,184 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:22:03,383 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:22:03,573 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:22:03,777 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:22:03,962 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:22:04,139 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:22:04,314 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:22:04,488 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:22:04,675 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:22:05,079 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:22:05,405 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:22:05,696 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:22:05,983 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:22:06,329 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:22:06,658 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:22:06,992 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:22:07,344 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:22:07,663 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:07,984 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:08,320 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:08,667 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:22:09,028 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:09,375 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:09,723 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:10,081 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:10,485 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:10,890 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:11,285 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:11,684 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:22:12,076 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:12,483 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:12,866 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:13,256 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:13,671 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:14,094 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:14,517 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:14,955 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:15,320 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:15,664 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:16,013 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:16,387 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:22:16,788 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:17,198 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:17,611 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:18,026 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:18,384 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:18,753 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:19,107 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:19,469 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:19,841 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:20,239 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:20,587 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:20,936 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:22:21,312 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:21,696 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:22,042 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:22,363 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:22:23,463 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 00:22:23,976 WARN L205 SmtUtils]: Spent 511.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 00:22:25,006 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-29 00:22:25,540 WARN L205 SmtUtils]: Spent 531.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-29 00:22:26,557 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-29 00:22:27,099 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 00:22:28,252 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-29 00:22:28,766 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-29 00:22:29,159 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:29,551 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:29,965 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:30,344 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-29 00:22:30,403 INFO L158 LiptonReduction]: Checked pairs total: 16188 [2021-04-29 00:22:30,404 INFO L160 LiptonReduction]: Total number of compositions: 221 [2021-04-29 00:22:30,409 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 159408 [2021-04-29 00:22:30,434 INFO L129 PetriNetUnfolder]: 0/60 cut-off events. [2021-04-29 00:22:30,435 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:30,435 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:30,436 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-29 00:22:30,436 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:30,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:30,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1855050631, now seen corresponding path program 1 times [2021-04-29 00:22:30,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:30,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436698400] [2021-04-29 00:22:30,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:30,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:30,818 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:30,834 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:30,835 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436698400] [2021-04-29 00:22:30,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:30,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:30,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722831987] [2021-04-29 00:22:30,853 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:30,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:30,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:30,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:30,878 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 243 out of 320 [2021-04-29 00:22:30,889 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 120 transitions, 249 flow. Second operand has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:30,889 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:30,889 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 243 of 320 [2021-04-29 00:22:30,891 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:32,174 INFO L129 PetriNetUnfolder]: 1240/2812 cut-off events. [2021-04-29 00:22:32,175 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:32,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4686 conditions, 2812 events. 1240/2812 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 348. Compared 23985 event pairs, 734 based on Foata normal form. 33/1625 useless extension candidates. Maximal degree in co-relation 4618. Up to 1371 conditions per place. [2021-04-29 00:22:32,195 INFO L132 encePairwiseOnDemand]: 302/320 looper letters, 15 selfloop transitions, 2 changer transitions 87/136 dead transitions. [2021-04-29 00:22:32,195 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 136 transitions, 393 flow [2021-04-29 00:22:32,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:32,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 788 transitions. [2021-04-29 00:22:32,223 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8208333333333333 [2021-04-29 00:22:32,224 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 788 transitions. [2021-04-29 00:22:32,225 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 788 transitions. [2021-04-29 00:22:32,229 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:32,232 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 788 transitions. [2021-04-29 00:22:32,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 262.6666666666667) internal successors, (788), 3 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:32,251 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:32,253 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:32,256 INFO L185 Difference]: Start difference. First operand has 128 places, 120 transitions, 249 flow. Second operand 3 states and 788 transitions. [2021-04-29 00:22:32,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 136 transitions, 393 flow [2021-04-29 00:22:32,262 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 136 transitions, 390 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:22:32,266 INFO L241 Difference]: Finished difference. Result has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:32,270 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=94, PETRI_PLACES=124, PETRI_TRANSITIONS=42} [2021-04-29 00:22:32,271 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -4 predicate places. [2021-04-29 00:22:32,272 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:32,272 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:32,273 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 42 transitions, 94 flow [2021-04-29 00:22:32,273 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 42 transitions, 94 flow [2021-04-29 00:22:32,282 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-29 00:22:32,282 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:32,282 INFO L84 FinitePrefix]: Finished finitePrefix Result has 52 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 149 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:22:32,284 INFO L146 LiptonReduction]: Number of co-enabled transitions 1002 [2021-04-29 00:22:32,986 INFO L158 LiptonReduction]: Checked pairs total: 990 [2021-04-29 00:22:32,986 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:32,986 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 714 [2021-04-29 00:22:32,988 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 42 transitions, 94 flow [2021-04-29 00:22:32,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 243.66666666666666) internal successors, (731), 3 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:32,989 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:32,989 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:32,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:22:32,989 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:32,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:32,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1751841681, now seen corresponding path program 1 times [2021-04-29 00:22:32,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:32,990 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535180300] [2021-04-29 00:22:32,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:33,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:33,178 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:33,180 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:33,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:33,188 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535180300] [2021-04-29 00:22:33,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:33,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:33,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938331635] [2021-04-29 00:22:33,190 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:33,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:33,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:33,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:33,196 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 320 [2021-04-29 00:22:33,197 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 42 transitions, 94 flow. Second operand has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,200 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:33,200 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 320 [2021-04-29 00:22:33,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:33,235 INFO L129 PetriNetUnfolder]: 0/42 cut-off events. [2021-04-29 00:22:33,235 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:33,236 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 42 events. 0/42 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 147 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:33,236 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 12/42 dead transitions. [2021-04-29 00:22:33,236 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 42 transitions, 100 flow [2021-04-29 00:22:33,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:33,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:33,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2021-04-29 00:22:33,247 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6822916666666666 [2021-04-29 00:22:33,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 655 transitions. [2021-04-29 00:22:33,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 655 transitions. [2021-04-29 00:22:33,251 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:33,251 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 655 transitions. [2021-04-29 00:22:33,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 218.33333333333334) internal successors, (655), 3 states have internal predecessors, (655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,263 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,264 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,264 INFO L185 Difference]: Start difference. First operand has 51 places, 42 transitions, 94 flow. Second operand 3 states and 655 transitions. [2021-04-29 00:22:33,264 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 42 transitions, 100 flow [2021-04-29 00:22:33,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 42 transitions, 96 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:33,266 INFO L241 Difference]: Finished difference. Result has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:33,267 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=90, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=74, PETRI_PLACES=52, PETRI_TRANSITIONS=30} [2021-04-29 00:22:33,267 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -76 predicate places. [2021-04-29 00:22:33,268 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:33,268 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:33,268 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 30 transitions, 74 flow [2021-04-29 00:22:33,269 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 30 transitions, 74 flow [2021-04-29 00:22:33,276 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 00:22:33,276 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:22:33,277 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 30 events. 0/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 75 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:33,277 INFO L146 LiptonReduction]: Number of co-enabled transitions 498 [2021-04-29 00:22:33,706 INFO L158 LiptonReduction]: Checked pairs total: 629 [2021-04-29 00:22:33,707 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:33,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 439 [2021-04-29 00:22:33,709 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 30 transitions, 74 flow [2021-04-29 00:22:33,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 217.66666666666666) internal successors, (653), 3 states have internal predecessors, (653), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,710 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:33,710 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:33,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:22:33,710 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:33,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:33,711 INFO L82 PathProgramCache]: Analyzing trace with hash -1777254148, now seen corresponding path program 1 times [2021-04-29 00:22:33,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:33,711 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111698043] [2021-04-29 00:22:33,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:33,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:33,967 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:33,968 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:33,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:33,977 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111698043] [2021-04-29 00:22:33,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:33,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:22:33,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406716962] [2021-04-29 00:22:33,978 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:22:33,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:33,979 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:22:33,979 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:22:33,981 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 219 out of 320 [2021-04-29 00:22:33,982 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 30 transitions, 74 flow. Second operand has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:33,982 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:33,982 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 219 of 320 [2021-04-29 00:22:33,982 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:34,004 INFO L129 PetriNetUnfolder]: 0/30 cut-off events. [2021-04-29 00:22:34,005 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 00:22:34,005 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 0/30 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 73 event pairs, 0 based on Foata normal form. 1/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:34,005 INFO L132 encePairwiseOnDemand]: 317/320 looper letters, 1 selfloop transitions, 2 changer transitions 1/30 dead transitions. [2021-04-29 00:22:34,005 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 30 transitions, 80 flow [2021-04-29 00:22:34,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:22:34,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:22:34,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 661 transitions. [2021-04-29 00:22:34,013 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6885416666666667 [2021-04-29 00:22:34,013 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 661 transitions. [2021-04-29 00:22:34,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 661 transitions. [2021-04-29 00:22:34,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:34,015 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 661 transitions. [2021-04-29 00:22:34,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 220.33333333333334) internal successors, (661), 3 states have internal predecessors, (661), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,020 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,022 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 320.0) internal successors, (1280), 4 states have internal predecessors, (1280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,022 INFO L185 Difference]: Start difference. First operand has 40 places, 30 transitions, 74 flow. Second operand 3 states and 661 transitions. [2021-04-29 00:22:34,022 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 30 transitions, 80 flow [2021-04-29 00:22:34,023 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 30 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:34,024 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:34,025 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, 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=41, PETRI_TRANSITIONS=29} [2021-04-29 00:22:34,025 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -87 predicate places. [2021-04-29 00:22:34,025 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:34,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:34,026 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 76 flow [2021-04-29 00:22:34,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 76 flow [2021-04-29 00:22:34,036 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-04-29 00:22:34,036 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-04-29 00:22:34,036 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 29 events. 0/29 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 71 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:34,037 INFO L146 LiptonReduction]: Number of co-enabled transitions 462 [2021-04-29 00:22:34,099 INFO L158 LiptonReduction]: Checked pairs total: 572 [2021-04-29 00:22:34,099 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:34,099 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 74 [2021-04-29 00:22:34,101 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 76 flow [2021-04-29 00:22:34,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 219.66666666666666) internal successors, (659), 3 states have internal predecessors, (659), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,102 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:34,102 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:34,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:22:34,102 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:34,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:34,103 INFO L82 PathProgramCache]: Analyzing trace with hash -613379474, now seen corresponding path program 1 times [2021-04-29 00:22:34,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:34,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083621100] [2021-04-29 00:22:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:34,237 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:34,238 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:34,247 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:34,249 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:34,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083621100] [2021-04-29 00:22:34,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:34,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:22:34,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830842686] [2021-04-29 00:22:34,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:22:34,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:34,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:22:34,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:22:34,263 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 212 out of 320 [2021-04-29 00:22:34,265 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 76 flow. Second operand has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:34,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 212 of 320 [2021-04-29 00:22:34,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:34,330 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-04-29 00:22:34,330 INFO L130 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES. [2021-04-29 00:22:34,330 INFO L84 FinitePrefix]: Finished finitePrefix Result has 65 conditions, 40 events. 0/40 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 114 event pairs, 0 based on Foata normal form. 3/32 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 00:22:34,331 INFO L132 encePairwiseOnDemand]: 316/320 looper letters, 1 selfloop transitions, 3 changer transitions 2/30 dead transitions. [2021-04-29 00:22:34,331 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 91 flow [2021-04-29 00:22:34,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:22:34,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:22:34,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 855 transitions. [2021-04-29 00:22:34,340 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.66796875 [2021-04-29 00:22:34,340 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 855 transitions. [2021-04-29 00:22:34,341 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 855 transitions. [2021-04-29 00:22:34,341 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:34,342 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 855 transitions. [2021-04-29 00:22:34,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 213.75) internal successors, (855), 4 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,350 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,352 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 320.0) internal successors, (1600), 5 states have internal predecessors, (1600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,352 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 76 flow. Second operand 4 states and 855 transitions. [2021-04-29 00:22:34,353 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 91 flow [2021-04-29 00:22:34,353 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 85 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:22:34,355 INFO L241 Difference]: Finished difference. Result has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:34,355 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=320, PETRI_DIFFERENCE_MINUEND_FLOW=72, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=43, PETRI_TRANSITIONS=28} [2021-04-29 00:22:34,356 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -85 predicate places. [2021-04-29 00:22:34,356 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:34,356 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:34,356 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 28 transitions, 84 flow [2021-04-29 00:22:34,357 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 42 places, 28 transitions, 84 flow [2021-04-29 00:22:34,367 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-04-29 00:22:34,367 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-29 00:22:34,368 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 28 events. 0/28 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 64 event pairs, 0 based on Foata normal form. 0/22 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:22:34,368 INFO L146 LiptonReduction]: Number of co-enabled transitions 398 [2021-04-29 00:22:34,488 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:34,591 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:22:34,696 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:22:34,802 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-29 00:22:34,856 INFO L158 LiptonReduction]: Checked pairs total: 948 [2021-04-29 00:22:34,856 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:22:34,856 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 500 [2021-04-29 00:22:34,858 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 28 transitions, 84 flow [2021-04-29 00:22:34,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.75) internal successors, (851), 4 states have internal predecessors, (851), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:34,859 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:34,859 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:34,860 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:22:34,860 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:34,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:34,860 INFO L82 PathProgramCache]: Analyzing trace with hash 1589247366, now seen corresponding path program 1 times [2021-04-29 00:22:34,861 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:34,861 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1315962571] [2021-04-29 00:22:34,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:34,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:35,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:35,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:22:35,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:35,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:35,218 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-29 00:22:35,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 00:22:35,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:35,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:22:35,323 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:35,325 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:22:35,369 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:35,371 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:22:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:35,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1315962571] [2021-04-29 00:22:35,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:35,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:22:35,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839231148] [2021-04-29 00:22:35,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:22:35,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:35,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:22:35,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:22:35,376 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 321 [2021-04-29 00:22:35,379 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 28 transitions, 84 flow. Second operand has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:35,379 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:35,379 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 321 [2021-04-29 00:22:35,379 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:36,148 INFO L129 PetriNetUnfolder]: 162/432 cut-off events. [2021-04-29 00:22:36,148 INFO L130 PetriNetUnfolder]: For 158/158 co-relation queries the response was YES. [2021-04-29 00:22:36,150 INFO L84 FinitePrefix]: Finished finitePrefix Result has 859 conditions, 432 events. 162/432 cut-off events. For 158/158 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2719 event pairs, 30 based on Foata normal form. 2/314 useless extension candidates. Maximal degree in co-relation 846. Up to 234 conditions per place. [2021-04-29 00:22:36,152 INFO L132 encePairwiseOnDemand]: 310/321 looper letters, 17 selfloop transitions, 10 changer transitions 2/45 dead transitions. [2021-04-29 00:22:36,153 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 45 transitions, 183 flow [2021-04-29 00:22:36,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:22:36,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:22:36,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 975 transitions. [2021-04-29 00:22:36,163 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6074766355140186 [2021-04-29 00:22:36,163 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 975 transitions. [2021-04-29 00:22:36,163 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 975 transitions. [2021-04-29 00:22:36,164 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:36,164 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 975 transitions. [2021-04-29 00:22:36,168 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 195.0) internal successors, (975), 5 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:36,173 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:36,175 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:36,175 INFO L185 Difference]: Start difference. First operand has 42 places, 28 transitions, 84 flow. Second operand 5 states and 975 transitions. [2021-04-29 00:22:36,175 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 45 transitions, 183 flow [2021-04-29 00:22:36,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 45 transitions, 168 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 00:22:36,178 INFO L241 Difference]: Finished difference. Result has 45 places, 35 transitions, 137 flow [2021-04-29 00:22:36,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=72, 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=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=137, PETRI_PLACES=45, PETRI_TRANSITIONS=35} [2021-04-29 00:22:36,179 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -83 predicate places. [2021-04-29 00:22:36,179 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:36,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 35 transitions, 137 flow [2021-04-29 00:22:36,180 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 35 transitions, 137 flow [2021-04-29 00:22:36,180 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 35 transitions, 137 flow [2021-04-29 00:22:36,248 INFO L129 PetriNetUnfolder]: 81/226 cut-off events. [2021-04-29 00:22:36,249 INFO L130 PetriNetUnfolder]: For 59/67 co-relation queries the response was YES. [2021-04-29 00:22:36,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 486 conditions, 226 events. 81/226 cut-off events. For 59/67 co-relation queries the response was YES. Maximal size of possible extension queue 34. Compared 1274 event pairs, 42 based on Foata normal form. 0/170 useless extension candidates. Maximal degree in co-relation 474. Up to 125 conditions per place. [2021-04-29 00:22:36,255 INFO L146 LiptonReduction]: Number of co-enabled transitions 440 [2021-04-29 00:22:36,336 INFO L158 LiptonReduction]: Checked pairs total: 134 [2021-04-29 00:22:36,336 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:36,336 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-04-29 00:22:36,338 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 35 transitions, 137 flow [2021-04-29 00:22:36,340 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:36,340 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:36,341 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:36,341 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:22:36,341 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:36,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:36,342 INFO L82 PathProgramCache]: Analyzing trace with hash -1264802332, now seen corresponding path program 1 times [2021-04-29 00:22:36,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:36,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1126304464] [2021-04-29 00:22:36,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:36,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:36,486 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:36,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:22:36,518 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-04-29 00:22:36,521 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-04-29 00:22:36,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:36,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:22:36,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:36,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:22:36,729 INFO L142 QuantifierPusher]: treesize reduction 25, result has 70.6 percent of original size [2021-04-29 00:22:36,732 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-04-29 00:22:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:36,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1126304464] [2021-04-29 00:22:36,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:36,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:22:36,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483094855] [2021-04-29 00:22:36,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:22:36,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:36,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:22:36,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:22:36,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 321 [2021-04-29 00:22:36,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 35 transitions, 137 flow. Second operand has 6 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:36,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:36,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 321 [2021-04-29 00:22:36,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:37,381 INFO L129 PetriNetUnfolder]: 145/368 cut-off events. [2021-04-29 00:22:37,381 INFO L130 PetriNetUnfolder]: For 196/292 co-relation queries the response was YES. [2021-04-29 00:22:37,382 INFO L84 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 368 events. 145/368 cut-off events. For 196/292 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2111 event pairs, 11 based on Foata normal form. 10/291 useless extension candidates. Maximal degree in co-relation 932. Up to 217 conditions per place. [2021-04-29 00:22:37,388 INFO L132 encePairwiseOnDemand]: 313/321 looper letters, 18 selfloop transitions, 16 changer transitions 0/50 dead transitions. [2021-04-29 00:22:37,389 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 50 transitions, 277 flow [2021-04-29 00:22:37,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:22:37,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:22:37,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1010 transitions. [2021-04-29 00:22:37,398 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5244029075804777 [2021-04-29 00:22:37,398 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1010 transitions. [2021-04-29 00:22:37,398 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1010 transitions. [2021-04-29 00:22:37,399 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:37,400 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1010 transitions. [2021-04-29 00:22:37,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:37,408 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:37,409 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:37,409 INFO L185 Difference]: Start difference. First operand has 44 places, 35 transitions, 137 flow. Second operand 6 states and 1010 transitions. [2021-04-29 00:22:37,409 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 50 transitions, 277 flow [2021-04-29 00:22:37,412 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 50 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:22:37,414 INFO L241 Difference]: Finished difference. Result has 50 places, 46 transitions, 243 flow [2021-04-29 00:22:37,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=35, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=243, PETRI_PLACES=50, PETRI_TRANSITIONS=46} [2021-04-29 00:22:37,415 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -78 predicate places. [2021-04-29 00:22:37,415 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:37,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 46 transitions, 243 flow [2021-04-29 00:22:37,416 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 46 transitions, 243 flow [2021-04-29 00:22:37,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 46 transitions, 243 flow [2021-04-29 00:22:37,487 INFO L129 PetriNetUnfolder]: 74/266 cut-off events. [2021-04-29 00:22:37,488 INFO L130 PetriNetUnfolder]: For 137/158 co-relation queries the response was YES. [2021-04-29 00:22:37,490 INFO L84 FinitePrefix]: Finished finitePrefix Result has 623 conditions, 266 events. 74/266 cut-off events. For 137/158 co-relation queries the response was YES. Maximal size of possible extension queue 32. Compared 1595 event pairs, 36 based on Foata normal form. 1/185 useless extension candidates. Maximal degree in co-relation 608. Up to 114 conditions per place. [2021-04-29 00:22:37,494 INFO L146 LiptonReduction]: Number of co-enabled transitions 490 [2021-04-29 00:22:37,565 INFO L158 LiptonReduction]: Checked pairs total: 150 [2021-04-29 00:22:37,565 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:37,566 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 150 [2021-04-29 00:22:37,568 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 46 transitions, 243 flow [2021-04-29 00:22:37,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 165.16666666666666) internal successors, (991), 6 states have internal predecessors, (991), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:37,569 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:37,569 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:37,569 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:22:37,570 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:37,570 INFO L82 PathProgramCache]: Analyzing trace with hash 615052694, now seen corresponding path program 2 times [2021-04-29 00:22:37,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:37,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667164979] [2021-04-29 00:22:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:37,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:37,729 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:22:37,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:37,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:22:37,756 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:37,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:37,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:37,799 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:22:37,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:37,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667164979] [2021-04-29 00:22:37,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:37,859 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:22:37,859 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393613771] [2021-04-29 00:22:37,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:22:37,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:37,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:22:37,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:22:37,865 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 321 [2021-04-29 00:22:37,866 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 46 transitions, 243 flow. Second operand has 5 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:37,867 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:37,867 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 321 [2021-04-29 00:22:37,867 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:38,547 INFO L129 PetriNetUnfolder]: 172/404 cut-off events. [2021-04-29 00:22:38,548 INFO L130 PetriNetUnfolder]: For 433/564 co-relation queries the response was YES. [2021-04-29 00:22:38,550 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1240 conditions, 404 events. 172/404 cut-off events. For 433/564 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 2276 event pairs, 33 based on Foata normal form. 16/340 useless extension candidates. Maximal degree in co-relation 1223. Up to 224 conditions per place. [2021-04-29 00:22:38,554 INFO L132 encePairwiseOnDemand]: 311/321 looper letters, 23 selfloop transitions, 22 changer transitions 0/61 dead transitions. [2021-04-29 00:22:38,554 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 61 transitions, 419 flow [2021-04-29 00:22:38,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:22:38,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:22:38,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1010 transitions. [2021-04-29 00:22:38,564 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5244029075804777 [2021-04-29 00:22:38,565 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1010 transitions. [2021-04-29 00:22:38,565 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1010 transitions. [2021-04-29 00:22:38,566 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:38,566 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1010 transitions. [2021-04-29 00:22:38,570 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 168.33333333333334) internal successors, (1010), 6 states have internal predecessors, (1010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:38,575 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:38,576 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 321.0) internal successors, (2247), 7 states have internal predecessors, (2247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:38,576 INFO L185 Difference]: Start difference. First operand has 50 places, 46 transitions, 243 flow. Second operand 6 states and 1010 transitions. [2021-04-29 00:22:38,576 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 61 transitions, 419 flow [2021-04-29 00:22:38,580 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 61 transitions, 415 flow, removed 2 selfloop flow, removed 0 redundant places. [2021-04-29 00:22:38,582 INFO L241 Difference]: Finished difference. Result has 56 places, 58 transitions, 391 flow [2021-04-29 00:22:38,582 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=239, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=391, PETRI_PLACES=56, PETRI_TRANSITIONS=58} [2021-04-29 00:22:38,582 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -72 predicate places. [2021-04-29 00:22:38,583 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:38,583 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 58 transitions, 391 flow [2021-04-29 00:22:38,583 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 58 transitions, 391 flow [2021-04-29 00:22:38,584 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 58 transitions, 391 flow [2021-04-29 00:22:38,690 INFO L129 PetriNetUnfolder]: 114/346 cut-off events. [2021-04-29 00:22:38,690 INFO L130 PetriNetUnfolder]: For 403/543 co-relation queries the response was YES. [2021-04-29 00:22:38,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1046 conditions, 346 events. 114/346 cut-off events. For 403/543 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 2098 event pairs, 17 based on Foata normal form. 8/267 useless extension candidates. Maximal degree in co-relation 1028. Up to 157 conditions per place. [2021-04-29 00:22:38,700 INFO L146 LiptonReduction]: Number of co-enabled transitions 586 [2021-04-29 00:22:38,707 INFO L158 LiptonReduction]: Checked pairs total: 84 [2021-04-29 00:22:38,707 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:38,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 124 [2021-04-29 00:22:38,710 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 58 transitions, 391 flow [2021-04-29 00:22:38,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 165.4) internal successors, (827), 5 states have internal predecessors, (827), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:38,712 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:38,712 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:38,712 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:22:38,712 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:38,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:38,713 INFO L82 PathProgramCache]: Analyzing trace with hash -403941548, now seen corresponding path program 1 times [2021-04-29 00:22:38,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:38,713 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258359886] [2021-04-29 00:22:38,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:38,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:39,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:39,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:22:39,053 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:39,055 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:22:39,107 INFO L142 QuantifierPusher]: treesize reduction 25, result has 82.8 percent of original size [2021-04-29 00:22:39,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 120 [2021-04-29 00:22:39,174 INFO L142 QuantifierPusher]: treesize reduction 21, result has 77.2 percent of original size [2021-04-29 00:22:39,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-04-29 00:22:39,341 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 17 [2021-04-29 00:22:39,348 INFO L142 QuantifierPusher]: treesize reduction 38, result has 68.6 percent of original size [2021-04-29 00:22:39,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-04-29 00:22:39,537 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 20 [2021-04-29 00:22:39,543 INFO L142 QuantifierPusher]: treesize reduction 26, result has 74.0 percent of original size [2021-04-29 00:22:39,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-04-29 00:22:39,579 INFO L142 QuantifierPusher]: treesize reduction 4, result has 73.3 percent of original size [2021-04-29 00:22:39,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:22:39,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:39,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258359886] [2021-04-29 00:22:39,622 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:39,622 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:22:39,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088227739] [2021-04-29 00:22:39,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:22:39,623 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:39,624 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:22:39,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:22:39,628 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 321 [2021-04-29 00:22:39,630 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 58 transitions, 391 flow. Second operand has 7 states, 7 states have (on average 176.14285714285714) internal successors, (1233), 7 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:39,630 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:39,630 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 321 [2021-04-29 00:22:39,631 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:40,459 INFO L129 PetriNetUnfolder]: 170/387 cut-off events. [2021-04-29 00:22:40,459 INFO L130 PetriNetUnfolder]: For 802/988 co-relation queries the response was YES. [2021-04-29 00:22:40,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1486 conditions, 387 events. 170/387 cut-off events. For 802/988 co-relation queries the response was YES. Maximal size of possible extension queue 47. Compared 2105 event pairs, 36 based on Foata normal form. 29/347 useless extension candidates. Maximal degree in co-relation 1466. Up to 229 conditions per place. [2021-04-29 00:22:40,467 INFO L132 encePairwiseOnDemand]: 315/321 looper letters, 28 selfloop transitions, 23 changer transitions 0/67 dead transitions. [2021-04-29 00:22:40,468 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 67 transitions, 561 flow [2021-04-29 00:22:40,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:22:40,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:22:40,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 901 transitions. [2021-04-29 00:22:40,477 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5613707165109034 [2021-04-29 00:22:40,478 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 901 transitions. [2021-04-29 00:22:40,478 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 901 transitions. [2021-04-29 00:22:40,479 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:40,479 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 901 transitions. [2021-04-29 00:22:40,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 180.2) internal successors, (901), 5 states have internal predecessors, (901), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:40,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:40,489 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:40,489 INFO L185 Difference]: Start difference. First operand has 56 places, 58 transitions, 391 flow. Second operand 5 states and 901 transitions. [2021-04-29 00:22:40,490 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 67 transitions, 561 flow [2021-04-29 00:22:40,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 67 transitions, 538 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-04-29 00:22:40,497 INFO L241 Difference]: Finished difference. Result has 58 places, 62 transitions, 481 flow [2021-04-29 00:22:40,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=370, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=58, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=481, PETRI_PLACES=58, PETRI_TRANSITIONS=62} [2021-04-29 00:22:40,498 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -70 predicate places. [2021-04-29 00:22:40,498 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:40,498 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 62 transitions, 481 flow [2021-04-29 00:22:40,499 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 62 transitions, 481 flow [2021-04-29 00:22:40,500 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 62 transitions, 481 flow [2021-04-29 00:22:40,600 INFO L129 PetriNetUnfolder]: 111/352 cut-off events. [2021-04-29 00:22:40,600 INFO L130 PetriNetUnfolder]: For 687/814 co-relation queries the response was YES. [2021-04-29 00:22:40,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1147 conditions, 352 events. 111/352 cut-off events. For 687/814 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2137 event pairs, 34 based on Foata normal form. 11/268 useless extension candidates. Maximal degree in co-relation 1129. Up to 154 conditions per place. [2021-04-29 00:22:40,609 INFO L146 LiptonReduction]: Number of co-enabled transitions 614 [2021-04-29 00:22:40,614 INFO L158 LiptonReduction]: Checked pairs total: 92 [2021-04-29 00:22:40,614 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:40,615 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-04-29 00:22:40,617 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 62 transitions, 481 flow [2021-04-29 00:22:40,618 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 176.14285714285714) internal successors, (1233), 7 states have internal predecessors, (1233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:40,618 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:40,618 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:40,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:22:40,618 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:40,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:40,619 INFO L82 PathProgramCache]: Analyzing trace with hash 511181982, now seen corresponding path program 1 times [2021-04-29 00:22:40,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:40,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164786688] [2021-04-29 00:22:40,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:40,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:40,774 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:40,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:40,787 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:40,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:40,824 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:40,826 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:40,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:40,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164786688] [2021-04-29 00:22:40,828 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:40,828 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:22:40,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896737262] [2021-04-29 00:22:40,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:22:40,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:40,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:22:40,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:22:40,832 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:40,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 62 transitions, 481 flow. Second operand has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:40,834 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:40,834 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:40,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:41,436 INFO L129 PetriNetUnfolder]: 910/1708 cut-off events. [2021-04-29 00:22:41,437 INFO L130 PetriNetUnfolder]: For 2772/3076 co-relation queries the response was YES. [2021-04-29 00:22:41,448 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4668 conditions, 1708 events. 910/1708 cut-off events. For 2772/3076 co-relation queries the response was YES. Maximal size of possible extension queue 375. Compared 12560 event pairs, 399 based on Foata normal form. 190/1049 useless extension candidates. Maximal degree in co-relation 4648. Up to 1111 conditions per place. [2021-04-29 00:22:41,465 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 21 selfloop transitions, 20 changer transitions 0/85 dead transitions. [2021-04-29 00:22:41,465 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 85 transitions, 564 flow [2021-04-29 00:22:41,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:22:41,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:22:41,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1212 transitions. [2021-04-29 00:22:41,474 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7551401869158878 [2021-04-29 00:22:41,474 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1212 transitions. [2021-04-29 00:22:41,474 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1212 transitions. [2021-04-29 00:22:41,476 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:41,476 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1212 transitions. [2021-04-29 00:22:41,481 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 242.4) internal successors, (1212), 5 states have internal predecessors, (1212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:41,486 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:41,487 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:41,488 INFO L185 Difference]: Start difference. First operand has 58 places, 62 transitions, 481 flow. Second operand 5 states and 1212 transitions. [2021-04-29 00:22:41,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 85 transitions, 564 flow [2021-04-29 00:22:41,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 85 transitions, 541 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-29 00:22:41,499 INFO L241 Difference]: Finished difference. Result has 62 places, 76 transitions, 557 flow [2021-04-29 00:22:41,500 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=557, PETRI_PLACES=62, PETRI_TRANSITIONS=76} [2021-04-29 00:22:41,500 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -66 predicate places. [2021-04-29 00:22:41,500 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:41,500 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 76 transitions, 557 flow [2021-04-29 00:22:41,501 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 76 transitions, 557 flow [2021-04-29 00:22:41,502 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 76 transitions, 557 flow [2021-04-29 00:22:41,830 INFO L129 PetriNetUnfolder]: 934/1764 cut-off events. [2021-04-29 00:22:41,831 INFO L130 PetriNetUnfolder]: For 2630/2957 co-relation queries the response was YES. [2021-04-29 00:22:41,842 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5813 conditions, 1764 events. 934/1764 cut-off events. For 2630/2957 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 12561 event pairs, 342 based on Foata normal form. 36/956 useless extension candidates. Maximal degree in co-relation 5792. Up to 1282 conditions per place. [2021-04-29 00:22:41,868 INFO L146 LiptonReduction]: Number of co-enabled transitions 824 [2021-04-29 00:22:41,880 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:22:41,881 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:41,881 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 381 [2021-04-29 00:22:41,883 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 76 transitions, 557 flow [2021-04-29 00:22:41,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 234.75) internal successors, (939), 4 states have internal predecessors, (939), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:41,884 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:41,884 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:41,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:22:41,884 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:41,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:41,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1147951660, now seen corresponding path program 1 times [2021-04-29 00:22:41,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:41,886 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816385817] [2021-04-29 00:22:41,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:42,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:42,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:42,068 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:42,078 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:42,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:42,096 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:42,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:42,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:42,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:42,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816385817] [2021-04-29 00:22:42,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:42,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:22:42,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483826227] [2021-04-29 00:22:42,142 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:22:42,142 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:42,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:22:42,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:22:42,145 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:42,147 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 76 transitions, 557 flow. Second operand has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:42,147 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:42,147 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:42,148 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:42,766 INFO L129 PetriNetUnfolder]: 625/1423 cut-off events. [2021-04-29 00:22:42,766 INFO L130 PetriNetUnfolder]: For 2599/4494 co-relation queries the response was YES. [2021-04-29 00:22:42,780 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5862 conditions, 1423 events. 625/1423 cut-off events. For 2599/4494 co-relation queries the response was YES. Maximal size of possible extension queue 318. Compared 11283 event pairs, 72 based on Foata normal form. 257/954 useless extension candidates. Maximal degree in co-relation 5839. Up to 1067 conditions per place. [2021-04-29 00:22:42,792 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 11 selfloop transitions, 39 changer transitions 9/102 dead transitions. [2021-04-29 00:22:42,793 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 102 transitions, 822 flow [2021-04-29 00:22:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:22:42,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:22:42,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1699 transitions. [2021-04-29 00:22:42,804 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7561192701379618 [2021-04-29 00:22:42,805 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1699 transitions. [2021-04-29 00:22:42,805 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1699 transitions. [2021-04-29 00:22:42,809 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:42,809 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1699 transitions. [2021-04-29 00:22:42,815 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.71428571428572) internal successors, (1699), 7 states have internal predecessors, (1699), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:42,824 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:42,825 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:42,825 INFO L185 Difference]: Start difference. First operand has 62 places, 76 transitions, 557 flow. Second operand 7 states and 1699 transitions. [2021-04-29 00:22:42,825 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 102 transitions, 822 flow [2021-04-29 00:22:42,836 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 102 transitions, 805 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:22:42,840 INFO L241 Difference]: Finished difference. Result has 68 places, 93 transitions, 782 flow [2021-04-29 00:22:42,840 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=521, PETRI_DIFFERENCE_MINUEND_PLACES=59, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=782, PETRI_PLACES=68, PETRI_TRANSITIONS=93} [2021-04-29 00:22:42,840 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -60 predicate places. [2021-04-29 00:22:42,841 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:42,841 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 93 transitions, 782 flow [2021-04-29 00:22:42,841 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 93 transitions, 782 flow [2021-04-29 00:22:42,842 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 93 transitions, 782 flow [2021-04-29 00:22:43,099 INFO L129 PetriNetUnfolder]: 540/1302 cut-off events. [2021-04-29 00:22:43,100 INFO L130 PetriNetUnfolder]: For 3553/3892 co-relation queries the response was YES. [2021-04-29 00:22:43,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5974 conditions, 1302 events. 540/1302 cut-off events. For 3553/3892 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 10371 event pairs, 105 based on Foata normal form. 14/740 useless extension candidates. Maximal degree in co-relation 5950. Up to 917 conditions per place. [2021-04-29 00:22:43,134 INFO L146 LiptonReduction]: Number of co-enabled transitions 950 [2021-04-29 00:22:43,147 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:22:43,148 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:22:43,148 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 307 [2021-04-29 00:22:43,150 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 93 transitions, 782 flow [2021-04-29 00:22:43,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 234.8) internal successors, (1174), 5 states have internal predecessors, (1174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:43,151 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:22:43,151 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:22:43,151 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:22:43,151 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:22:43,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:22:43,152 INFO L82 PathProgramCache]: Analyzing trace with hash 1174219925, now seen corresponding path program 1 times [2021-04-29 00:22:43,152 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:22:43,152 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1635441468] [2021-04-29 00:22:43,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:22:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:22:43,290 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:43,292 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:43,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:43,306 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:43,322 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:43,324 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:22:43,344 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:22:43,346 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:22:43,387 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:22:43,389 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:22:43,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:22:43,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1635441468] [2021-04-29 00:22:43,390 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:22:43,390 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:22:43,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81549294] [2021-04-29 00:22:43,391 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:22:43,391 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:22:43,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:22:43,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:22:43,394 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 234 out of 321 [2021-04-29 00:22:43,397 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 93 transitions, 782 flow. Second operand has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:43,397 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:22:43,397 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 234 of 321 [2021-04-29 00:22:43,397 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:22:44,200 INFO L129 PetriNetUnfolder]: 373/1009 cut-off events. [2021-04-29 00:22:44,201 INFO L130 PetriNetUnfolder]: For 3366/7000 co-relation queries the response was YES. [2021-04-29 00:22:44,209 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5361 conditions, 1009 events. 373/1009 cut-off events. For 3366/7000 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 8095 event pairs, 0 based on Foata normal form. 210/691 useless extension candidates. Maximal degree in co-relation 5335. Up to 797 conditions per place. [2021-04-29 00:22:44,217 INFO L132 encePairwiseOnDemand]: 309/321 looper letters, 2 selfloop transitions, 49 changer transitions 9/103 dead transitions. [2021-04-29 00:22:44,218 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 103 transitions, 980 flow [2021-04-29 00:22:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:22:44,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:22:44,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2168 transitions. [2021-04-29 00:22:44,230 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7504326756663205 [2021-04-29 00:22:44,230 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2168 transitions. [2021-04-29 00:22:44,230 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2168 transitions. [2021-04-29 00:22:44,233 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:22:44,234 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2168 transitions. [2021-04-29 00:22:44,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.88888888888889) internal successors, (2168), 9 states have internal predecessors, (2168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:44,250 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:44,253 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:22:44,253 INFO L185 Difference]: Start difference. First operand has 68 places, 93 transitions, 782 flow. Second operand 9 states and 2168 transitions. [2021-04-29 00:22:44,253 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 103 transitions, 980 flow [2021-04-29 00:22:44,296 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 103 transitions, 867 flow, removed 43 selfloop flow, removed 4 redundant places. [2021-04-29 00:22:44,299 INFO L241 Difference]: Finished difference. Result has 75 places, 94 transitions, 808 flow [2021-04-29 00:22:44,300 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=669, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=48, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=808, PETRI_PLACES=75, PETRI_TRANSITIONS=94} [2021-04-29 00:22:44,300 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -53 predicate places. [2021-04-29 00:22:44,300 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:22:44,301 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 94 transitions, 808 flow [2021-04-29 00:22:44,301 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 94 transitions, 808 flow [2021-04-29 00:22:44,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 94 transitions, 808 flow [2021-04-29 00:22:44,462 INFO L129 PetriNetUnfolder]: 319/946 cut-off events. [2021-04-29 00:22:44,463 INFO L130 PetriNetUnfolder]: For 1782/1968 co-relation queries the response was YES. [2021-04-29 00:22:44,472 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4125 conditions, 946 events. 319/946 cut-off events. For 1782/1968 co-relation queries the response was YES. Maximal size of possible extension queue 168. Compared 7943 event pairs, 7 based on Foata normal form. 4/513 useless extension candidates. Maximal degree in co-relation 4099. Up to 360 conditions per place. [2021-04-29 00:22:44,488 INFO L146 LiptonReduction]: Number of co-enabled transitions 912 [2021-04-29 00:22:49,204 WARN L205 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-04-29 00:22:51,277 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 204 [2021-04-29 00:23:02,121 WARN L205 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 377 DAG size of output: 316 [2021-04-29 00:23:06,570 WARN L205 SmtUtils]: Spent 4.44 s on a formula simplification that was a NOOP. DAG size: 307 [2021-04-29 00:23:10,487 WARN L205 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:23:12,170 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:23:19,207 WARN L205 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:23:22,463 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:23:26,479 WARN L205 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:23:28,120 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:23:35,550 WARN L205 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:23:38,607 WARN L205 SmtUtils]: Spent 3.05 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:23:42,206 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:23:44,056 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:23:51,086 WARN L205 SmtUtils]: Spent 7.03 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:23:54,357 WARN L205 SmtUtils]: Spent 3.27 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:23:58,158 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:23:59,724 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:24:06,744 WARN L205 SmtUtils]: Spent 7.02 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:24:09,952 WARN L205 SmtUtils]: Spent 3.20 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:24:14,308 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:24:17,780 WARN L205 SmtUtils]: Spent 3.47 s on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-04-29 00:24:24,198 WARN L205 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:24:27,219 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:24:30,753 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-04-29 00:24:32,254 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 176 [2021-04-29 00:24:39,041 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:24:41,990 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:24:45,336 WARN L205 SmtUtils]: Spent 3.34 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:24:46,877 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:24:53,580 WARN L205 SmtUtils]: Spent 6.70 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:24:56,457 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:25:00,096 WARN L205 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-04-29 00:25:01,623 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 175 [2021-04-29 00:25:08,583 WARN L205 SmtUtils]: Spent 6.96 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-04-29 00:25:11,654 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification that was a NOOP. DAG size: 255 [2021-04-29 00:25:11,825 INFO L158 LiptonReduction]: Checked pairs total: 349 [2021-04-29 00:25:11,826 INFO L160 LiptonReduction]: Total number of compositions: 9 [2021-04-29 00:25:11,826 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 147526 [2021-04-29 00:25:11,827 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 95 transitions, 820 flow [2021-04-29 00:25:11,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 234.83333333333334) internal successors, (1409), 6 states have internal predecessors, (1409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:11,837 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:11,837 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] [2021-04-29 00:25:11,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-29 00:25:11,838 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:11,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:11,838 INFO L82 PathProgramCache]: Analyzing trace with hash 997185827, now seen corresponding path program 1 times [2021-04-29 00:25:11,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:11,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518987706] [2021-04-29 00:25:11,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:11,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:11,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:25:11,997 INFO L142 QuantifierPusher]: treesize reduction 9, result has 62.5 percent of original size [2021-04-29 00:25:11,999 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:25:12,039 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-04-29 00:25:12,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:25:12,128 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:12,130 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:12,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518987706] [2021-04-29 00:25:12,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:12,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:12,159 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831659282] [2021-04-29 00:25:12,160 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:25:12,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:25:12,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:25:12,164 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 181 out of 330 [2021-04-29 00:25:12,166 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 95 transitions, 820 flow. Second operand has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:12,166 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:12,166 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 181 of 330 [2021-04-29 00:25:12,167 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:13,353 INFO L129 PetriNetUnfolder]: 628/1781 cut-off events. [2021-04-29 00:25:13,353 INFO L130 PetriNetUnfolder]: For 5503/6370 co-relation queries the response was YES. [2021-04-29 00:25:13,364 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8041 conditions, 1781 events. 628/1781 cut-off events. For 5503/6370 co-relation queries the response was YES. Maximal size of possible extension queue 540. Compared 17399 event pairs, 5 based on Foata normal form. 99/955 useless extension candidates. Maximal degree in co-relation 8013. Up to 765 conditions per place. [2021-04-29 00:25:13,374 INFO L132 encePairwiseOnDemand]: 315/330 looper letters, 25 selfloop transitions, 22 changer transitions 19/121 dead transitions. [2021-04-29 00:25:13,375 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 121 transitions, 1157 flow [2021-04-29 00:25:13,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:25:13,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:25:13,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1129 transitions. [2021-04-29 00:25:13,386 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5702020202020202 [2021-04-29 00:25:13,386 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1129 transitions. [2021-04-29 00:25:13,386 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1129 transitions. [2021-04-29 00:25:13,387 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:13,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1129 transitions. [2021-04-29 00:25:13,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 188.16666666666666) internal successors, (1129), 6 states have internal predecessors, (1129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:13,395 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:13,396 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 330.0) internal successors, (2310), 7 states have internal predecessors, (2310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:13,396 INFO L185 Difference]: Start difference. First operand has 75 places, 95 transitions, 820 flow. Second operand 6 states and 1129 transitions. [2021-04-29 00:25:13,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 121 transitions, 1157 flow [2021-04-29 00:25:13,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 121 transitions, 1003 flow, removed 33 selfloop flow, removed 8 redundant places. [2021-04-29 00:25:13,552 INFO L241 Difference]: Finished difference. Result has 76 places, 101 transitions, 829 flow [2021-04-29 00:25:13,552 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=670, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=829, PETRI_PLACES=76, PETRI_TRANSITIONS=101} [2021-04-29 00:25:13,552 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -52 predicate places. [2021-04-29 00:25:13,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:13,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 101 transitions, 829 flow [2021-04-29 00:25:13,553 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 101 transitions, 829 flow [2021-04-29 00:25:13,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 101 transitions, 829 flow [2021-04-29 00:25:13,686 INFO L129 PetriNetUnfolder]: 372/1093 cut-off events. [2021-04-29 00:25:13,686 INFO L130 PetriNetUnfolder]: For 1178/1201 co-relation queries the response was YES. [2021-04-29 00:25:13,693 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3939 conditions, 1093 events. 372/1093 cut-off events. For 1178/1201 co-relation queries the response was YES. Maximal size of possible extension queue 271. Compared 10061 event pairs, 2 based on Foata normal form. 8/557 useless extension candidates. Maximal degree in co-relation 3913. Up to 450 conditions per place. [2021-04-29 00:25:13,707 INFO L146 LiptonReduction]: Number of co-enabled transitions 1004 [2021-04-29 00:25:13,714 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:13,714 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:13,714 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 161 [2021-04-29 00:25:13,715 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 101 transitions, 829 flow [2021-04-29 00:25:13,716 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.2) internal successors, (916), 5 states have internal predecessors, (916), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:13,716 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:13,716 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:13,716 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-29 00:25:13,716 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:13,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:13,717 INFO L82 PathProgramCache]: Analyzing trace with hash 1411635853, now seen corresponding path program 1 times [2021-04-29 00:25:13,717 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:13,717 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262718912] [2021-04-29 00:25:13,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:13,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:13,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:13,879 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:13,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:13,923 INFO L142 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size [2021-04-29 00:25:13,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-04-29 00:25:13,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:13,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:13,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:13,982 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:14,021 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:14,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:14,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:14,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262718912] [2021-04-29 00:25:14,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:14,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:25:14,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805881496] [2021-04-29 00:25:14,046 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:25:14,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:14,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:25:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:25:14,050 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 330 [2021-04-29 00:25:14,051 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 101 transitions, 829 flow. Second operand has 7 states, 7 states have (on average 177.42857142857142) internal successors, (1242), 7 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:14,051 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:14,051 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 330 [2021-04-29 00:25:14,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:15,054 INFO L129 PetriNetUnfolder]: 663/1922 cut-off events. [2021-04-29 00:25:15,054 INFO L130 PetriNetUnfolder]: For 3347/3656 co-relation queries the response was YES. [2021-04-29 00:25:15,065 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7091 conditions, 1922 events. 663/1922 cut-off events. For 3347/3656 co-relation queries the response was YES. Maximal size of possible extension queue 495. Compared 19291 event pairs, 3 based on Foata normal form. 129/1075 useless extension candidates. Maximal degree in co-relation 7063. Up to 810 conditions per place. [2021-04-29 00:25:15,074 INFO L132 encePairwiseOnDemand]: 319/330 looper letters, 30 selfloop transitions, 12 changer transitions 18/115 dead transitions. [2021-04-29 00:25:15,074 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 115 transitions, 1082 flow [2021-04-29 00:25:15,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:15,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:15,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1271 transitions. [2021-04-29 00:25:15,085 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5502164502164503 [2021-04-29 00:25:15,085 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1271 transitions. [2021-04-29 00:25:15,085 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1271 transitions. [2021-04-29 00:25:15,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:15,087 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1271 transitions. [2021-04-29 00:25:15,090 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 181.57142857142858) internal successors, (1271), 7 states have internal predecessors, (1271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:15,095 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:15,095 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:15,095 INFO L185 Difference]: Start difference. First operand has 73 places, 101 transitions, 829 flow. Second operand 7 states and 1271 transitions. [2021-04-29 00:25:15,096 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 115 transitions, 1082 flow [2021-04-29 00:25:15,209 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 115 transitions, 1049 flow, removed 8 selfloop flow, removed 2 redundant places. [2021-04-29 00:25:15,212 INFO L241 Difference]: Finished difference. Result has 79 places, 97 transitions, 791 flow [2021-04-29 00:25:15,212 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=800, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=101, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=89, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=791, PETRI_PLACES=79, PETRI_TRANSITIONS=97} [2021-04-29 00:25:15,213 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -49 predicate places. [2021-04-29 00:25:15,213 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:15,213 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 97 transitions, 791 flow [2021-04-29 00:25:15,213 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 97 transitions, 791 flow [2021-04-29 00:25:15,214 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 97 transitions, 791 flow [2021-04-29 00:25:15,331 INFO L129 PetriNetUnfolder]: 314/959 cut-off events. [2021-04-29 00:25:15,332 INFO L130 PetriNetUnfolder]: For 1150/1184 co-relation queries the response was YES. [2021-04-29 00:25:15,338 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3458 conditions, 959 events. 314/959 cut-off events. For 1150/1184 co-relation queries the response was YES. Maximal size of possible extension queue 246. Compared 8577 event pairs, 5 based on Foata normal form. 7/509 useless extension candidates. Maximal degree in co-relation 3430. Up to 360 conditions per place. [2021-04-29 00:25:15,350 INFO L146 LiptonReduction]: Number of co-enabled transitions 934 [2021-04-29 00:25:15,367 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:15,367 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:15,367 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 154 [2021-04-29 00:25:15,368 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 97 transitions, 791 flow [2021-04-29 00:25:15,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 177.42857142857142) internal successors, (1242), 7 states have internal predecessors, (1242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:15,369 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:15,369 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:15,369 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-04-29 00:25:15,369 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:15,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:15,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1500535652, now seen corresponding path program 1 times [2021-04-29 00:25:15,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:15,370 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569655847] [2021-04-29 00:25:15,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:15,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:15,592 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:15,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:15,635 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:15,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:25:15,691 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.6 percent of original size [2021-04-29 00:25:15,694 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-04-29 00:25:15,799 INFO L142 QuantifierPusher]: treesize reduction 15, result has 64.3 percent of original size [2021-04-29 00:25:15,801 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-04-29 00:25:15,831 INFO L142 QuantifierPusher]: treesize reduction 26, result has 65.8 percent of original size [2021-04-29 00:25:15,834 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 00:25:16,006 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2021-04-29 00:25:16,011 INFO L142 QuantifierPusher]: treesize reduction 8, result has 71.4 percent of original size [2021-04-29 00:25:16,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-04-29 00:25:16,086 INFO L142 QuantifierPusher]: treesize reduction 8, result has 68.0 percent of original size [2021-04-29 00:25:16,088 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-29 00:25:16,157 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-04-29 00:25:16,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:25:16,244 INFO L142 QuantifierPusher]: treesize reduction 8, result has 65.2 percent of original size [2021-04-29 00:25:16,246 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:25:16,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:16,248 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569655847] [2021-04-29 00:25:16,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:16,249 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:25:16,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754635040] [2021-04-29 00:25:16,250 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:25:16,250 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:16,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:25:16,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:25:16,254 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 330 [2021-04-29 00:25:16,256 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 97 transitions, 791 flow. Second operand has 9 states, 9 states have (on average 161.22222222222223) internal successors, (1451), 9 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:16,256 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:16,256 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 330 [2021-04-29 00:25:16,256 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:17,680 INFO L129 PetriNetUnfolder]: 604/1732 cut-off events. [2021-04-29 00:25:17,681 INFO L130 PetriNetUnfolder]: For 3351/3638 co-relation queries the response was YES. [2021-04-29 00:25:17,691 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6440 conditions, 1732 events. 604/1732 cut-off events. For 3351/3638 co-relation queries the response was YES. Maximal size of possible extension queue 409. Compared 16702 event pairs, 6 based on Foata normal form. 116/954 useless extension candidates. Maximal degree in co-relation 6410. Up to 720 conditions per place. [2021-04-29 00:25:17,699 INFO L132 encePairwiseOnDemand]: 320/330 looper letters, 23 selfloop transitions, 5 changer transitions 32/115 dead transitions. [2021-04-29 00:25:17,699 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 115 transitions, 1108 flow [2021-04-29 00:25:17,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:17,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:17,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1155 transitions. [2021-04-29 00:25:17,709 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5 [2021-04-29 00:25:17,709 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1155 transitions. [2021-04-29 00:25:17,709 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1155 transitions. [2021-04-29 00:25:17,711 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:17,711 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1155 transitions. [2021-04-29 00:25:17,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 165.0) internal successors, (1155), 7 states have internal predecessors, (1155), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:17,717 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:17,718 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:17,718 INFO L185 Difference]: Start difference. First operand has 77 places, 97 transitions, 791 flow. Second operand 7 states and 1155 transitions. [2021-04-29 00:25:17,718 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 115 transitions, 1108 flow [2021-04-29 00:25:17,818 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 115 transitions, 1064 flow, removed 10 selfloop flow, removed 6 redundant places. [2021-04-29 00:25:17,820 INFO L241 Difference]: Finished difference. Result has 79 places, 83 transitions, 634 flow [2021-04-29 00:25:17,820 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=757, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=97, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=92, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=634, PETRI_PLACES=79, PETRI_TRANSITIONS=83} [2021-04-29 00:25:17,820 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -49 predicate places. [2021-04-29 00:25:17,821 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:17,821 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 83 transitions, 634 flow [2021-04-29 00:25:17,821 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 83 transitions, 634 flow [2021-04-29 00:25:17,822 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 83 transitions, 634 flow [2021-04-29 00:25:17,917 INFO L129 PetriNetUnfolder]: 335/995 cut-off events. [2021-04-29 00:25:17,917 INFO L130 PetriNetUnfolder]: For 1110/1147 co-relation queries the response was YES. [2021-04-29 00:25:17,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3547 conditions, 995 events. 335/995 cut-off events. For 1110/1147 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 8803 event pairs, 8 based on Foata normal form. 4/510 useless extension candidates. Maximal degree in co-relation 3519. Up to 405 conditions per place. [2021-04-29 00:25:17,934 INFO L146 LiptonReduction]: Number of co-enabled transitions 794 [2021-04-29 00:25:18,526 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-04-29 00:25:18,633 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:25:19,746 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-04-29 00:25:19,919 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:25:20,459 INFO L158 LiptonReduction]: Checked pairs total: 4 [2021-04-29 00:25:20,459 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:25:20,460 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2639 [2021-04-29 00:25:20,461 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 84 transitions, 652 flow [2021-04-29 00:25:20,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 161.22222222222223) internal successors, (1451), 9 states have internal predecessors, (1451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:20,461 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:20,462 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:20,462 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-04-29 00:25:20,462 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:20,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:20,462 INFO L82 PathProgramCache]: Analyzing trace with hash -702820259, now seen corresponding path program 1 times [2021-04-29 00:25:20,462 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:20,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248630741] [2021-04-29 00:25:20,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:20,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:20,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-04-29 00:25:20,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:20,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:25:20,707 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:20,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 00:25:20,830 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:20,832 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:25:20,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:20,881 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248630741] [2021-04-29 00:25:20,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:20,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:20,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804323979] [2021-04-29 00:25:20,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:20,882 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:20,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:20,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:20,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 162 out of 331 [2021-04-29 00:25:20,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 84 transitions, 652 flow. Second operand has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:20,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:20,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 162 of 331 [2021-04-29 00:25:20,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:21,013 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-04-29 00:25:21,151 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2021-04-29 00:25:22,194 INFO L129 PetriNetUnfolder]: 586/1680 cut-off events. [2021-04-29 00:25:22,194 INFO L130 PetriNetUnfolder]: For 3091/3384 co-relation queries the response was YES. [2021-04-29 00:25:22,202 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6129 conditions, 1680 events. 586/1680 cut-off events. For 3091/3384 co-relation queries the response was YES. Maximal size of possible extension queue 450. Compared 16487 event pairs, 0 based on Foata normal form. 90/875 useless extension candidates. Maximal degree in co-relation 6099. Up to 720 conditions per place. [2021-04-29 00:25:22,209 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 22 selfloop transitions, 19 changer transitions 6/102 dead transitions. [2021-04-29 00:25:22,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 102 transitions, 934 flow [2021-04-29 00:25:22,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:22,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:22,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1168 transitions. [2021-04-29 00:25:22,219 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5041001294777729 [2021-04-29 00:25:22,219 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1168 transitions. [2021-04-29 00:25:22,220 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1168 transitions. [2021-04-29 00:25:22,221 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:22,221 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1168 transitions. [2021-04-29 00:25:22,223 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 166.85714285714286) internal successors, (1168), 7 states have internal predecessors, (1168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:22,227 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:22,228 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:22,228 INFO L185 Difference]: Start difference. First operand has 73 places, 84 transitions, 652 flow. Second operand 7 states and 1168 transitions. [2021-04-29 00:25:22,228 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 102 transitions, 934 flow [2021-04-29 00:25:22,318 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 102 transitions, 812 flow, removed 49 selfloop flow, removed 9 redundant places. [2021-04-29 00:25:22,320 INFO L241 Difference]: Finished difference. Result has 73 places, 91 transitions, 706 flow [2021-04-29 00:25:22,321 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=564, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=706, PETRI_PLACES=73, PETRI_TRANSITIONS=91} [2021-04-29 00:25:22,321 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -55 predicate places. [2021-04-29 00:25:22,321 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:22,321 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 91 transitions, 706 flow [2021-04-29 00:25:22,322 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 91 transitions, 706 flow [2021-04-29 00:25:22,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 91 transitions, 706 flow [2021-04-29 00:25:22,425 INFO L129 PetriNetUnfolder]: 390/1156 cut-off events. [2021-04-29 00:25:22,425 INFO L130 PetriNetUnfolder]: For 1170/1262 co-relation queries the response was YES. [2021-04-29 00:25:22,431 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4105 conditions, 1156 events. 390/1156 cut-off events. For 1170/1262 co-relation queries the response was YES. Maximal size of possible extension queue 365. Compared 11144 event pairs, 7 based on Foata normal form. 4/557 useless extension candidates. Maximal degree in co-relation 4080. Up to 495 conditions per place. [2021-04-29 00:25:22,445 INFO L146 LiptonReduction]: Number of co-enabled transitions 1034 [2021-04-29 00:25:22,502 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:22,503 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:22,503 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 182 [2021-04-29 00:25:22,504 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 91 transitions, 706 flow [2021-04-29 00:25:22,504 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 163.83333333333334) internal successors, (983), 6 states have internal predecessors, (983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:22,504 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:22,505 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:22,505 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-04-29 00:25:22,505 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:22,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:22,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1102663154, now seen corresponding path program 1 times [2021-04-29 00:25:22,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:22,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834726464] [2021-04-29 00:25:22,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:22,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:22,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:22,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:22,657 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:22,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:22,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:22,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:22,763 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:22,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:22,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:22,811 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:22,812 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:22,812 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834726464] [2021-04-29 00:25:22,812 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:22,812 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:22,812 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [644295631] [2021-04-29 00:25:22,813 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:22,813 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:22,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:22,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:22,816 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 331 [2021-04-29 00:25:22,817 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 91 transitions, 706 flow. Second operand has 6 states, 6 states have (on average 190.66666666666666) internal successors, (1144), 6 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:22,817 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:22,817 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 331 [2021-04-29 00:25:22,817 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:23,554 INFO L129 PetriNetUnfolder]: 609/1736 cut-off events. [2021-04-29 00:25:23,554 INFO L130 PetriNetUnfolder]: For 2414/2668 co-relation queries the response was YES. [2021-04-29 00:25:23,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6287 conditions, 1736 events. 609/1736 cut-off events. For 2414/2668 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 17294 event pairs, 0 based on Foata normal form. 88/867 useless extension candidates. Maximal degree in co-relation 6260. Up to 765 conditions per place. [2021-04-29 00:25:23,574 INFO L132 encePairwiseOnDemand]: 319/331 looper letters, 27 selfloop transitions, 15 changer transitions 1/98 dead transitions. [2021-04-29 00:25:23,574 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 98 transitions, 870 flow [2021-04-29 00:25:23,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:25:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:25:23,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 780 transitions. [2021-04-29 00:25:23,584 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5891238670694864 [2021-04-29 00:25:23,584 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 780 transitions. [2021-04-29 00:25:23,584 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 780 transitions. [2021-04-29 00:25:23,585 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:23,585 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 780 transitions. [2021-04-29 00:25:23,587 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:23,589 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:23,590 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 331.0) internal successors, (1655), 5 states have internal predecessors, (1655), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:23,590 INFO L185 Difference]: Start difference. First operand has 72 places, 91 transitions, 706 flow. Second operand 4 states and 780 transitions. [2021-04-29 00:25:23,590 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 98 transitions, 870 flow [2021-04-29 00:25:23,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 98 transitions, 834 flow, removed 16 selfloop flow, removed 2 redundant places. [2021-04-29 00:25:23,681 INFO L241 Difference]: Finished difference. Result has 74 places, 96 transitions, 789 flow [2021-04-29 00:25:23,681 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=676, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=91, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=76, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=789, PETRI_PLACES=74, PETRI_TRANSITIONS=96} [2021-04-29 00:25:23,681 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -54 predicate places. [2021-04-29 00:25:23,682 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:23,682 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 96 transitions, 789 flow [2021-04-29 00:25:23,682 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 96 transitions, 789 flow [2021-04-29 00:25:23,683 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 96 transitions, 789 flow [2021-04-29 00:25:23,843 INFO L129 PetriNetUnfolder]: 609/1736 cut-off events. [2021-04-29 00:25:23,843 INFO L130 PetriNetUnfolder]: For 1740/1799 co-relation queries the response was YES. [2021-04-29 00:25:23,852 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6140 conditions, 1736 events. 609/1736 cut-off events. For 1740/1799 co-relation queries the response was YES. Maximal size of possible extension queue 531. Compared 17596 event pairs, 7 based on Foata normal form. 4/807 useless extension candidates. Maximal degree in co-relation 6114. Up to 765 conditions per place. [2021-04-29 00:25:23,873 INFO L146 LiptonReduction]: Number of co-enabled transitions 1266 [2021-04-29 00:25:24,617 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:24,618 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:24,618 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 936 [2021-04-29 00:25:24,620 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 96 transitions, 789 flow [2021-04-29 00:25:24,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 190.66666666666666) internal successors, (1144), 6 states have internal predecessors, (1144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:24,621 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:24,621 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:24,621 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-04-29 00:25:24,621 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:24,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:24,622 INFO L82 PathProgramCache]: Analyzing trace with hash -1658362472, now seen corresponding path program 2 times [2021-04-29 00:25:24,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:24,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719528288] [2021-04-29 00:25:24,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:24,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:24,748 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:24,750 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:24,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:24,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:24,806 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:24,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:24,859 INFO L142 QuantifierPusher]: treesize reduction 10, result has 80.4 percent of original size [2021-04-29 00:25:24,862 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-04-29 00:25:24,937 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:24,939 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:24,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:24,963 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719528288] [2021-04-29 00:25:24,963 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:24,964 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:25:24,964 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422558552] [2021-04-29 00:25:24,964 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:25:24,964 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:24,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:25:24,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:25:24,967 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 331 [2021-04-29 00:25:24,969 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 96 transitions, 789 flow. Second operand has 7 states, 7 states have (on average 179.42857142857142) internal successors, (1256), 7 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:24,969 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:24,969 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 331 [2021-04-29 00:25:24,969 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:26,029 INFO L129 PetriNetUnfolder]: 962/2652 cut-off events. [2021-04-29 00:25:26,030 INFO L130 PetriNetUnfolder]: For 3745/4108 co-relation queries the response was YES. [2021-04-29 00:25:26,040 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9512 conditions, 2652 events. 962/2652 cut-off events. For 3745/4108 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 27472 event pairs, 8 based on Foata normal form. 102/1272 useless extension candidates. Maximal degree in co-relation 9484. Up to 1170 conditions per place. [2021-04-29 00:25:26,085 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 36 selfloop transitions, 2 changer transitions 20/113 dead transitions. [2021-04-29 00:25:26,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 113 transitions, 1090 flow [2021-04-29 00:25:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:26,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:26,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1276 transitions. [2021-04-29 00:25:26,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5507121277514027 [2021-04-29 00:25:26,100 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1276 transitions. [2021-04-29 00:25:26,100 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1276 transitions. [2021-04-29 00:25:26,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:26,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1276 transitions. [2021-04-29 00:25:26,104 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 182.28571428571428) internal successors, (1276), 7 states have internal predecessors, (1276), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:26,106 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:26,107 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:26,107 INFO L185 Difference]: Start difference. First operand has 74 places, 96 transitions, 789 flow. Second operand 7 states and 1276 transitions. [2021-04-29 00:25:26,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 113 transitions, 1090 flow [2021-04-29 00:25:26,196 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 113 transitions, 1061 flow, removed 14 selfloop flow, removed 1 redundant places. [2021-04-29 00:25:26,199 INFO L241 Difference]: Finished difference. Result has 82 places, 93 transitions, 751 flow [2021-04-29 00:25:26,199 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=768, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=751, PETRI_PLACES=82, PETRI_TRANSITIONS=93} [2021-04-29 00:25:26,199 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -46 predicate places. [2021-04-29 00:25:26,199 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:26,199 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 93 transitions, 751 flow [2021-04-29 00:25:26,200 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 93 transitions, 751 flow [2021-04-29 00:25:26,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 93 transitions, 751 flow [2021-04-29 00:25:26,370 INFO L129 PetriNetUnfolder]: 579/1656 cut-off events. [2021-04-29 00:25:26,370 INFO L130 PetriNetUnfolder]: For 1701/1732 co-relation queries the response was YES. [2021-04-29 00:25:26,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 5871 conditions, 1656 events. 579/1656 cut-off events. For 1701/1732 co-relation queries the response was YES. Maximal size of possible extension queue 446. Compared 16473 event pairs, 7 based on Foata normal form. 2/800 useless extension candidates. Maximal degree in co-relation 5841. Up to 720 conditions per place. [2021-04-29 00:25:26,392 INFO L146 LiptonReduction]: Number of co-enabled transitions 1178 [2021-04-29 00:25:26,874 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:26,875 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:26,875 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 676 [2021-04-29 00:25:26,876 INFO L480 AbstractCegarLoop]: Abstraction has has 79 places, 93 transitions, 751 flow [2021-04-29 00:25:26,876 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 179.42857142857142) internal successors, (1256), 7 states have internal predecessors, (1256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:26,876 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:26,877 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:26,877 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-04-29 00:25:26,877 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:26,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1992463190, now seen corresponding path program 1 times [2021-04-29 00:25:26,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:26,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840667217] [2021-04-29 00:25:26,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:26,999 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:27,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:27,031 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:27,034 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:27,076 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:27,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:25:27,147 INFO L142 QuantifierPusher]: treesize reduction 32, result has 81.2 percent of original size [2021-04-29 00:25:27,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-04-29 00:25:27,703 WARN L205 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 28 [2021-04-29 00:25:27,707 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-04-29 00:25:27,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:25:27,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:27,767 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840667217] [2021-04-29 00:25:27,767 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:27,767 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:25:27,767 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678962324] [2021-04-29 00:25:27,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-29 00:25:27,768 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:27,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-29 00:25:27,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-29 00:25:27,770 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 331 [2021-04-29 00:25:27,772 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 93 transitions, 751 flow. Second operand has 7 states, 7 states have (on average 160.57142857142858) internal successors, (1124), 7 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:27,772 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:27,772 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 331 [2021-04-29 00:25:27,772 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:28,140 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 26 [2021-04-29 00:25:28,455 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 16 [2021-04-29 00:25:29,074 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2021-04-29 00:25:29,879 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2021-04-29 00:25:30,555 INFO L129 PetriNetUnfolder]: 967/2712 cut-off events. [2021-04-29 00:25:30,555 INFO L130 PetriNetUnfolder]: For 3858/4325 co-relation queries the response was YES. [2021-04-29 00:25:30,572 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9780 conditions, 2712 events. 967/2712 cut-off events. For 3858/4325 co-relation queries the response was YES. Maximal size of possible extension queue 753. Compared 28779 event pairs, 0 based on Foata normal form. 98/1324 useless extension candidates. Maximal degree in co-relation 9748. Up to 1170 conditions per place. [2021-04-29 00:25:30,579 INFO L132 encePairwiseOnDemand]: 318/331 looper letters, 23 selfloop transitions, 11 changer transitions 24/112 dead transitions. [2021-04-29 00:25:30,579 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 112 transitions, 1048 flow [2021-04-29 00:25:30,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:25:30,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:25:30,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1310 transitions. [2021-04-29 00:25:30,591 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4947129909365559 [2021-04-29 00:25:30,592 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1310 transitions. [2021-04-29 00:25:30,592 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1310 transitions. [2021-04-29 00:25:30,593 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:30,593 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1310 transitions. [2021-04-29 00:25:30,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 163.75) internal successors, (1310), 8 states have internal predecessors, (1310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:30,601 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:30,602 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:30,602 INFO L185 Difference]: Start difference. First operand has 79 places, 93 transitions, 751 flow. Second operand 8 states and 1310 transitions. [2021-04-29 00:25:30,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 112 transitions, 1048 flow [2021-04-29 00:25:30,791 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 112 transitions, 991 flow, removed 27 selfloop flow, removed 6 redundant places. [2021-04-29 00:25:30,795 INFO L241 Difference]: Finished difference. Result has 84 places, 84 transitions, 662 flow [2021-04-29 00:25:30,795 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=93, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=662, PETRI_PLACES=84, PETRI_TRANSITIONS=84} [2021-04-29 00:25:30,796 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -44 predicate places. [2021-04-29 00:25:30,796 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:30,796 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 84 transitions, 662 flow [2021-04-29 00:25:30,796 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 84 transitions, 662 flow [2021-04-29 00:25:30,797 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 84 transitions, 662 flow [2021-04-29 00:25:31,002 INFO L129 PetriNetUnfolder]: 645/1793 cut-off events. [2021-04-29 00:25:31,003 INFO L130 PetriNetUnfolder]: For 1853/1954 co-relation queries the response was YES. [2021-04-29 00:25:31,011 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6245 conditions, 1793 events. 645/1793 cut-off events. For 1853/1954 co-relation queries the response was YES. Maximal size of possible extension queue 487. Compared 17907 event pairs, 6 based on Foata normal form. 6/844 useless extension candidates. Maximal degree in co-relation 6215. Up to 765 conditions per place. [2021-04-29 00:25:31,028 INFO L146 LiptonReduction]: Number of co-enabled transitions 918 [2021-04-29 00:25:31,049 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:31,050 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:31,050 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 254 [2021-04-29 00:25:31,051 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 84 transitions, 662 flow [2021-04-29 00:25:31,051 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 160.57142857142858) internal successors, (1124), 7 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:31,052 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:31,052 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:31,052 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-04-29 00:25:31,052 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:31,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:31,053 INFO L82 PathProgramCache]: Analyzing trace with hash 409495874, now seen corresponding path program 2 times [2021-04-29 00:25:31,053 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:31,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910124698] [2021-04-29 00:25:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:31,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:31,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:31,211 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-04-29 00:25:31,213 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 00:25:31,307 INFO L142 QuantifierPusher]: treesize reduction 10, result has 84.1 percent of original size [2021-04-29 00:25:31,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 00:25:31,426 INFO L142 QuantifierPusher]: treesize reduction 44, result has 56.0 percent of original size [2021-04-29 00:25:31,429 INFO L147 QuantifierPusher]: treesize reduction 8, result has 85.7 percent of original size 48 [2021-04-29 00:25:31,587 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 14 [2021-04-29 00:25:31,593 INFO L142 QuantifierPusher]: treesize reduction 10, result has 83.3 percent of original size [2021-04-29 00:25:31,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-04-29 00:25:31,622 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:31,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:31,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:31,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:31,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:31,710 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910124698] [2021-04-29 00:25:31,711 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:31,711 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-29 00:25:31,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715997605] [2021-04-29 00:25:31,711 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-04-29 00:25:31,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:31,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-04-29 00:25:31,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-04-29 00:25:31,715 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 164 out of 331 [2021-04-29 00:25:31,716 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 84 transitions, 662 flow. Second operand has 8 states, 8 states have (on average 165.375) internal successors, (1323), 8 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:31,716 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:31,716 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 164 of 331 [2021-04-29 00:25:31,716 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:32,889 INFO L129 PetriNetUnfolder]: 969/2549 cut-off events. [2021-04-29 00:25:32,889 INFO L130 PetriNetUnfolder]: For 3903/4228 co-relation queries the response was YES. [2021-04-29 00:25:32,902 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9082 conditions, 2549 events. 969/2549 cut-off events. For 3903/4228 co-relation queries the response was YES. Maximal size of possible extension queue 717. Compared 25742 event pairs, 6 based on Foata normal form. 70/1246 useless extension candidates. Maximal degree in co-relation 9050. Up to 1080 conditions per place. [2021-04-29 00:25:32,910 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 22 selfloop transitions, 12 changer transitions 5/93 dead transitions. [2021-04-29 00:25:32,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 93 transitions, 815 flow [2021-04-29 00:25:32,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:32,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1172 transitions. [2021-04-29 00:25:32,920 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5058264997842037 [2021-04-29 00:25:32,920 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1172 transitions. [2021-04-29 00:25:32,920 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1172 transitions. [2021-04-29 00:25:32,921 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:32,921 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1172 transitions. [2021-04-29 00:25:32,923 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 167.42857142857142) internal successors, (1172), 7 states have internal predecessors, (1172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:32,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:32,927 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:32,927 INFO L185 Difference]: Start difference. First operand has 81 places, 84 transitions, 662 flow. Second operand 7 states and 1172 transitions. [2021-04-29 00:25:32,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 93 transitions, 815 flow [2021-04-29 00:25:33,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 80 places, 93 transitions, 776 flow, removed 7 selfloop flow, removed 7 redundant places. [2021-04-29 00:25:33,034 INFO L241 Difference]: Finished difference. Result has 82 places, 83 transitions, 652 flow [2021-04-29 00:25:33,035 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=625, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=652, PETRI_PLACES=82, PETRI_TRANSITIONS=83} [2021-04-29 00:25:33,035 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -46 predicate places. [2021-04-29 00:25:33,035 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:33,035 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 83 transitions, 652 flow [2021-04-29 00:25:33,036 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 82 places, 83 transitions, 652 flow [2021-04-29 00:25:33,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 80 places, 83 transitions, 652 flow [2021-04-29 00:25:33,289 INFO L129 PetriNetUnfolder]: 806/2130 cut-off events. [2021-04-29 00:25:33,289 INFO L130 PetriNetUnfolder]: For 2684/2897 co-relation queries the response was YES. [2021-04-29 00:25:33,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7449 conditions, 2130 events. 806/2130 cut-off events. For 2684/2897 co-relation queries the response was YES. Maximal size of possible extension queue 614. Compared 21667 event pairs, 10 based on Foata normal form. 13/968 useless extension candidates. Maximal degree in co-relation 7421. Up to 900 conditions per place. [2021-04-29 00:25:33,325 INFO L146 LiptonReduction]: Number of co-enabled transitions 848 [2021-04-29 00:25:33,333 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:33,333 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:33,333 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 298 [2021-04-29 00:25:33,337 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 83 transitions, 652 flow [2021-04-29 00:25:33,338 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 165.375) internal successors, (1323), 8 states have internal predecessors, (1323), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:33,338 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:33,338 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:33,338 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-04-29 00:25:33,339 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:33,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:33,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1537090560, now seen corresponding path program 2 times [2021-04-29 00:25:33,339 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:33,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1465601096] [2021-04-29 00:25:33,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:33,508 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:33,510 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:33,555 INFO L142 QuantifierPusher]: treesize reduction 2, result has 93.9 percent of original size [2021-04-29 00:25:33,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-04-29 00:25:33,642 INFO L142 QuantifierPusher]: treesize reduction 19, result has 77.1 percent of original size [2021-04-29 00:25:33,648 INFO L147 QuantifierPusher]: treesize reduction 9, result has 85.9 percent of original size 55 [2021-04-29 00:25:33,881 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2021-04-29 00:25:33,887 INFO L142 QuantifierPusher]: treesize reduction 9, result has 79.5 percent of original size [2021-04-29 00:25:33,890 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-04-29 00:25:34,021 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2021-04-29 00:25:34,029 INFO L142 QuantifierPusher]: treesize reduction 49, result has 67.5 percent of original size [2021-04-29 00:25:34,032 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-04-29 00:25:34,448 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2021-04-29 00:25:34,454 INFO L142 QuantifierPusher]: treesize reduction 26, result has 67.1 percent of original size [2021-04-29 00:25:34,456 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-04-29 00:25:34,655 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2021-04-29 00:25:34,659 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:34,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-29 00:25:34,804 INFO L142 QuantifierPusher]: treesize reduction 3, result has 90.9 percent of original size [2021-04-29 00:25:34,806 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-04-29 00:25:34,966 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2021-04-29 00:25:34,971 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:34,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-04-29 00:25:35,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:35,111 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1465601096] [2021-04-29 00:25:35,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:35,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-04-29 00:25:35,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064116675] [2021-04-29 00:25:35,112 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-04-29 00:25:35,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:35,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-04-29 00:25:35,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-04-29 00:25:35,116 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 331 [2021-04-29 00:25:35,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 83 transitions, 652 flow. Second operand has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:35,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:35,118 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 331 [2021-04-29 00:25:35,118 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:35,677 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-04-29 00:25:36,707 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2021-04-29 00:25:37,401 INFO L129 PetriNetUnfolder]: 1183/3055 cut-off events. [2021-04-29 00:25:37,401 INFO L130 PetriNetUnfolder]: For 5787/6262 co-relation queries the response was YES. [2021-04-29 00:25:37,419 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10964 conditions, 3055 events. 1183/3055 cut-off events. For 5787/6262 co-relation queries the response was YES. Maximal size of possible extension queue 831. Compared 31487 event pairs, 2 based on Foata normal form. 76/1452 useless extension candidates. Maximal degree in co-relation 10934. Up to 1305 conditions per place. [2021-04-29 00:25:37,428 INFO L132 encePairwiseOnDemand]: 320/331 looper letters, 25 selfloop transitions, 18 changer transitions 4/101 dead transitions. [2021-04-29 00:25:37,428 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 101 transitions, 924 flow [2021-04-29 00:25:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-29 00:25:37,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-29 00:25:37,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1222 transitions. [2021-04-29 00:25:37,437 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.46148036253776437 [2021-04-29 00:25:37,437 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1222 transitions. [2021-04-29 00:25:37,438 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1222 transitions. [2021-04-29 00:25:37,438 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:37,438 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1222 transitions. [2021-04-29 00:25:37,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 152.75) internal successors, (1222), 8 states have internal predecessors, (1222), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:37,444 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:37,445 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:37,445 INFO L185 Difference]: Start difference. First operand has 80 places, 83 transitions, 652 flow. Second operand 8 states and 1222 transitions. [2021-04-29 00:25:37,445 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 101 transitions, 924 flow [2021-04-29 00:25:37,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 101 transitions, 897 flow, removed 6 selfloop flow, removed 5 redundant places. [2021-04-29 00:25:37,607 INFO L241 Difference]: Finished difference. Result has 85 places, 90 transitions, 772 flow [2021-04-29 00:25:37,607 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=630, PETRI_DIFFERENCE_MINUEND_PLACES=75, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=772, PETRI_PLACES=85, PETRI_TRANSITIONS=90} [2021-04-29 00:25:37,608 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -43 predicate places. [2021-04-29 00:25:37,608 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:37,608 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 90 transitions, 772 flow [2021-04-29 00:25:37,608 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 90 transitions, 772 flow [2021-04-29 00:25:37,609 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 90 transitions, 772 flow [2021-04-29 00:25:37,836 INFO L129 PetriNetUnfolder]: 940/2457 cut-off events. [2021-04-29 00:25:37,837 INFO L130 PetriNetUnfolder]: For 3991/4078 co-relation queries the response was YES. [2021-04-29 00:25:37,848 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8819 conditions, 2457 events. 940/2457 cut-off events. For 3991/4078 co-relation queries the response was YES. Maximal size of possible extension queue 617. Compared 25258 event pairs, 0 based on Foata normal form. 26/1198 useless extension candidates. Maximal degree in co-relation 8790. Up to 1080 conditions per place. [2021-04-29 00:25:37,869 INFO L146 LiptonReduction]: Number of co-enabled transitions 1096 [2021-04-29 00:25:37,876 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:37,877 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:37,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 269 [2021-04-29 00:25:37,878 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 90 transitions, 772 flow [2021-04-29 00:25:37,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 150.0) internal successors, (1650), 11 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:37,878 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:37,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:37,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-04-29 00:25:37,879 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:37,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:37,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1592392638, now seen corresponding path program 3 times [2021-04-29 00:25:37,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:37,879 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864618318] [2021-04-29 00:25:37,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:37,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:37,978 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:37,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:38,020 INFO L142 QuantifierPusher]: treesize reduction 10, result has 85.5 percent of original size [2021-04-29 00:25:38,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-04-29 00:25:38,148 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 19 [2021-04-29 00:25:38,154 INFO L142 QuantifierPusher]: treesize reduction 10, result has 86.1 percent of original size [2021-04-29 00:25:38,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 62 [2021-04-29 00:25:38,305 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 21 [2021-04-29 00:25:38,311 INFO L142 QuantifierPusher]: treesize reduction 34, result has 52.8 percent of original size [2021-04-29 00:25:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-04-29 00:25:38,500 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 23 [2021-04-29 00:25:38,504 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:38,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:25:38,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:38,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:25:38,698 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-04-29 00:25:38,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:25:38,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:38,752 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864618318] [2021-04-29 00:25:38,752 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:38,752 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:25:38,752 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707598139] [2021-04-29 00:25:38,753 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:25:38,753 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:38,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:25:38,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:25:38,756 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 331 [2021-04-29 00:25:38,758 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 90 transitions, 772 flow. Second operand has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:38,758 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:38,758 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 331 [2021-04-29 00:25:38,758 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:39,038 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2021-04-29 00:25:39,176 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-04-29 00:25:39,716 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2021-04-29 00:25:40,063 INFO L129 PetriNetUnfolder]: 940/2430 cut-off events. [2021-04-29 00:25:40,064 INFO L130 PetriNetUnfolder]: For 5468/5957 co-relation queries the response was YES. [2021-04-29 00:25:40,073 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8976 conditions, 2430 events. 940/2430 cut-off events. For 5468/5957 co-relation queries the response was YES. Maximal size of possible extension queue 636. Compared 24194 event pairs, 6 based on Foata normal form. 75/1163 useless extension candidates. Maximal degree in co-relation 8945. Up to 1080 conditions per place. [2021-04-29 00:25:40,087 INFO L132 encePairwiseOnDemand]: 322/331 looper letters, 26 selfloop transitions, 3 changer transitions 10/93 dead transitions. [2021-04-29 00:25:40,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 93 transitions, 887 flow [2021-04-29 00:25:40,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:25:40,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:25:40,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1390 transitions. [2021-04-29 00:25:40,097 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4665995300436388 [2021-04-29 00:25:40,097 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1390 transitions. [2021-04-29 00:25:40,097 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1390 transitions. [2021-04-29 00:25:40,097 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:40,097 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1390 transitions. [2021-04-29 00:25:40,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 154.44444444444446) internal successors, (1390), 9 states have internal predecessors, (1390), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:40,105 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:40,105 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 331.0) internal successors, (3310), 10 states have internal predecessors, (3310), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:40,106 INFO L185 Difference]: Start difference. First operand has 84 places, 90 transitions, 772 flow. Second operand 9 states and 1390 transitions. [2021-04-29 00:25:40,106 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 93 transitions, 887 flow [2021-04-29 00:25:40,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 93 transitions, 820 flow, removed 24 selfloop flow, removed 3 redundant places. [2021-04-29 00:25:40,234 INFO L241 Difference]: Finished difference. Result has 91 places, 83 transitions, 654 flow [2021-04-29 00:25:40,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=714, PETRI_DIFFERENCE_MINUEND_PLACES=81, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=90, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=87, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=654, PETRI_PLACES=91, PETRI_TRANSITIONS=83} [2021-04-29 00:25:40,235 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -37 predicate places. [2021-04-29 00:25:40,235 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:40,235 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 83 transitions, 654 flow [2021-04-29 00:25:40,236 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 83 transitions, 654 flow [2021-04-29 00:25:40,236 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 83 transitions, 654 flow [2021-04-29 00:25:40,401 INFO L129 PetriNetUnfolder]: 778/1989 cut-off events. [2021-04-29 00:25:40,401 INFO L130 PetriNetUnfolder]: For 2669/2740 co-relation queries the response was YES. [2021-04-29 00:25:40,411 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7057 conditions, 1989 events. 778/1989 cut-off events. For 2669/2740 co-relation queries the response was YES. Maximal size of possible extension queue 501. Compared 19395 event pairs, 0 based on Foata normal form. 21/954 useless extension candidates. Maximal degree in co-relation 7026. Up to 900 conditions per place. [2021-04-29 00:25:40,426 INFO L146 LiptonReduction]: Number of co-enabled transitions 930 [2021-04-29 00:25:40,432 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:40,433 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:40,433 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 198 [2021-04-29 00:25:40,434 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 83 transitions, 654 flow [2021-04-29 00:25:40,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 153.22222222222223) internal successors, (1379), 9 states have internal predecessors, (1379), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:40,434 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:40,434 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:40,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-04-29 00:25:40,434 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:40,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:40,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1325157440, now seen corresponding path program 1 times [2021-04-29 00:25:40,435 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:40,435 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998533467] [2021-04-29 00:25:40,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:40,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:40,572 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,574 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:40,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,621 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:40,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:40,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,630 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-29 00:25:40,655 INFO L142 QuantifierPusher]: treesize reduction 343, result has 21.1 percent of original size [2021-04-29 00:25:40,659 INFO L147 QuantifierPusher]: treesize reduction 15, result has 83.7 percent of original size 77 [2021-04-29 00:25:40,683 INFO L142 QuantifierPusher]: treesize reduction 43, result has 62.9 percent of original size [2021-04-29 00:25:40,686 INFO L147 QuantifierPusher]: treesize reduction 9, result has 87.7 percent of original size 64 [2021-04-29 00:25:40,891 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 23 [2021-04-29 00:25:40,896 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:40,953 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:40,955 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-29 00:25:40,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:40,956 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998533467] [2021-04-29 00:25:40,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:40,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:40,956 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675092223] [2021-04-29 00:25:40,957 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:40,957 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:40,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:40,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:40,959 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 331 [2021-04-29 00:25:40,960 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 83 transitions, 654 flow. Second operand has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:40,960 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:40,961 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 331 [2021-04-29 00:25:40,961 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:41,083 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 15 [2021-04-29 00:25:41,874 INFO L129 PetriNetUnfolder]: 1100/2747 cut-off events. [2021-04-29 00:25:41,874 INFO L130 PetriNetUnfolder]: For 5393/5747 co-relation queries the response was YES. [2021-04-29 00:25:41,886 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9945 conditions, 2747 events. 1100/2747 cut-off events. For 5393/5747 co-relation queries the response was YES. Maximal size of possible extension queue 723. Compared 27023 event pairs, 4 based on Foata normal form. 72/1308 useless extension candidates. Maximal degree in co-relation 9912. Up to 1215 conditions per place. [2021-04-29 00:25:41,891 INFO L132 encePairwiseOnDemand]: 324/331 looper letters, 20 selfloop transitions, 9 changer transitions 5/88 dead transitions. [2021-04-29 00:25:41,891 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 88 transitions, 783 flow [2021-04-29 00:25:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:25:41,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:25:41,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 821 transitions. [2021-04-29 00:25:41,902 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4960725075528701 [2021-04-29 00:25:41,902 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 821 transitions. [2021-04-29 00:25:41,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 821 transitions. [2021-04-29 00:25:41,907 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:41,907 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 821 transitions. [2021-04-29 00:25:41,909 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 164.2) internal successors, (821), 5 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:41,911 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:41,911 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 331.0) internal successors, (1986), 6 states have internal predecessors, (1986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:41,911 INFO L185 Difference]: Start difference. First operand has 84 places, 83 transitions, 654 flow. Second operand 5 states and 821 transitions. [2021-04-29 00:25:41,912 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 88 transitions, 783 flow [2021-04-29 00:25:42,078 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 703 flow, removed 19 selfloop flow, removed 17 redundant places. [2021-04-29 00:25:42,080 INFO L241 Difference]: Finished difference. Result has 72 places, 83 transitions, 609 flow [2021-04-29 00:25:42,080 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=580, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=74, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=609, PETRI_PLACES=72, PETRI_TRANSITIONS=83} [2021-04-29 00:25:42,080 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -56 predicate places. [2021-04-29 00:25:42,080 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:42,080 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 72 places, 83 transitions, 609 flow [2021-04-29 00:25:42,081 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 72 places, 83 transitions, 609 flow [2021-04-29 00:25:42,081 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 83 transitions, 609 flow [2021-04-29 00:25:42,276 INFO L129 PetriNetUnfolder]: 1097/2744 cut-off events. [2021-04-29 00:25:42,276 INFO L130 PetriNetUnfolder]: For 3760/3929 co-relation queries the response was YES. [2021-04-29 00:25:42,286 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9655 conditions, 2744 events. 1097/2744 cut-off events. For 3760/3929 co-relation queries the response was YES. Maximal size of possible extension queue 747. Compared 28660 event pairs, 2 based on Foata normal form. 22/1281 useless extension candidates. Maximal degree in co-relation 9632. Up to 1215 conditions per place. [2021-04-29 00:25:42,305 INFO L146 LiptonReduction]: Number of co-enabled transitions 930 [2021-04-29 00:25:42,313 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:42,313 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:42,313 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 233 [2021-04-29 00:25:42,314 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 83 transitions, 609 flow [2021-04-29 00:25:42,314 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 162.83333333333334) internal successors, (977), 6 states have internal predecessors, (977), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:42,314 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:42,314 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:42,314 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-04-29 00:25:42,314 INFO L428 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:42,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:42,315 INFO L82 PathProgramCache]: Analyzing trace with hash 16387818, now seen corresponding path program 2 times [2021-04-29 00:25:42,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:42,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85412567] [2021-04-29 00:25:42,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:42,437 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:42,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:42,481 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:42,483 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:25:42,540 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:42,542 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-04-29 00:25:42,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:42,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-29 00:25:42,610 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.8 percent of original size [2021-04-29 00:25:42,614 INFO L147 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size 41 [2021-04-29 00:25:42,639 INFO L142 QuantifierPusher]: treesize reduction 22, result has 77.3 percent of original size [2021-04-29 00:25:42,644 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 75 [2021-04-29 00:25:42,858 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 20 [2021-04-29 00:25:42,866 INFO L142 QuantifierPusher]: treesize reduction 41, result has 69.2 percent of original size [2021-04-29 00:25:42,871 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 92 [2021-04-29 00:25:43,108 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 18 [2021-04-29 00:25:43,112 INFO L142 QuantifierPusher]: treesize reduction 13, result has 61.8 percent of original size [2021-04-29 00:25:43,114 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-29 00:25:43,213 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:43,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-29 00:25:43,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:43,312 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85412567] [2021-04-29 00:25:43,312 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:43,313 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-04-29 00:25:43,313 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490998569] [2021-04-29 00:25:43,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-04-29 00:25:43,313 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:43,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-04-29 00:25:43,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-04-29 00:25:43,316 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 331 [2021-04-29 00:25:43,318 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 83 transitions, 609 flow. Second operand has 9 states, 9 states have (on average 158.22222222222223) internal successors, (1424), 9 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:43,318 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:43,318 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 331 [2021-04-29 00:25:43,318 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:43,521 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 23 [2021-04-29 00:25:43,713 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2021-04-29 00:25:44,775 INFO L129 PetriNetUnfolder]: 1340/3372 cut-off events. [2021-04-29 00:25:44,776 INFO L130 PetriNetUnfolder]: For 6923/7347 co-relation queries the response was YES. [2021-04-29 00:25:44,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12153 conditions, 3372 events. 1340/3372 cut-off events. For 6923/7347 co-relation queries the response was YES. Maximal size of possible extension queue 915. Compared 34507 event pairs, 0 based on Foata normal form. 79/1590 useless extension candidates. Maximal degree in co-relation 12128. Up to 1440 conditions per place. [2021-04-29 00:25:44,790 INFO L132 encePairwiseOnDemand]: 323/331 looper letters, 14 selfloop transitions, 15 changer transitions 14/97 dead transitions. [2021-04-29 00:25:44,790 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 97 transitions, 870 flow [2021-04-29 00:25:44,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:44,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:44,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1127 transitions. [2021-04-29 00:25:44,798 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.486404833836858 [2021-04-29 00:25:44,799 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1127 transitions. [2021-04-29 00:25:44,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1127 transitions. [2021-04-29 00:25:44,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:44,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1127 transitions. [2021-04-29 00:25:44,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:44,804 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:44,804 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 331.0) internal successors, (2648), 8 states have internal predecessors, (2648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:44,804 INFO L185 Difference]: Start difference. First operand has 72 places, 83 transitions, 609 flow. Second operand 7 states and 1127 transitions. [2021-04-29 00:25:44,805 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 97 transitions, 870 flow [2021-04-29 00:25:44,973 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 97 transitions, 840 flow, removed 7 selfloop flow, removed 4 redundant places. [2021-04-29 00:25:44,975 INFO L241 Difference]: Finished difference. Result has 77 places, 81 transitions, 638 flow [2021-04-29 00:25:44,975 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=591, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=70, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=638, PETRI_PLACES=77, PETRI_TRANSITIONS=81} [2021-04-29 00:25:44,976 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -51 predicate places. [2021-04-29 00:25:44,976 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:44,976 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 81 transitions, 638 flow [2021-04-29 00:25:44,976 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 81 transitions, 638 flow [2021-04-29 00:25:44,977 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 81 transitions, 638 flow [2021-04-29 00:25:45,066 INFO L129 PetriNetUnfolder]: 468/1238 cut-off events. [2021-04-29 00:25:45,066 INFO L130 PetriNetUnfolder]: For 1793/1826 co-relation queries the response was YES. [2021-04-29 00:25:45,071 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4427 conditions, 1238 events. 468/1238 cut-off events. For 1793/1826 co-relation queries the response was YES. Maximal size of possible extension queue 388. Compared 11360 event pairs, 0 based on Foata normal form. 8/598 useless extension candidates. Maximal degree in co-relation 4402. Up to 540 conditions per place. [2021-04-29 00:25:45,080 INFO L146 LiptonReduction]: Number of co-enabled transitions 568 [2021-04-29 00:25:45,090 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:45,090 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:45,091 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-04-29 00:25:45,091 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 81 transitions, 638 flow [2021-04-29 00:25:45,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 158.22222222222223) internal successors, (1424), 9 states have internal predecessors, (1424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:45,093 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:45,093 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:45,093 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-04-29 00:25:45,093 INFO L428 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:45,093 INFO L82 PathProgramCache]: Analyzing trace with hash -1557236122, now seen corresponding path program 3 times [2021-04-29 00:25:45,094 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:45,094 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213574213] [2021-04-29 00:25:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:25:45,168 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:25:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:25:45,268 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:25:45,318 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:25:45,318 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:25:45,319 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-04-29 00:25:45,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:25:45 BasicIcfg [2021-04-29 00:25:45,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:25:45,449 INFO L168 Benchmark]: Toolchain (without parser) took 360071.66 ms. Allocated memory was 302.0 MB in the beginning and 660.6 MB in the end (delta: 358.6 MB). Free memory was 275.4 MB in the beginning and 299.6 MB in the end (delta: -24.2 MB). Peak memory consumption was 337.4 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: CDTParser took 0.86 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 273.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1004.66 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 265.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.26 ms. Allocated memory is still 302.0 MB. Free memory was 265.1 MB in the beginning and 262.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: Boogie Preprocessor took 52.34 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 258.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: RCFGBuilder took 4162.91 ms. Allocated memory was 302.0 MB in the beginning and 402.7 MB in the end (delta: 100.7 MB). Free memory was 258.8 MB in the beginning and 232.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,450 INFO L168 Benchmark]: TraceAbstraction took 354725.94 ms. Allocated memory was 402.7 MB in the beginning and 660.6 MB in the end (delta: 257.9 MB). Free memory was 232.7 MB in the beginning and 299.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 192.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:45,452 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.86 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 273.0 MB in the end (delta: 136.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 1004.66 ms. Allocated memory is still 302.0 MB. Free memory was 272.2 MB in the beginning and 265.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 26.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 74.26 ms. Allocated memory is still 302.0 MB. Free memory was 265.1 MB in the beginning and 262.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 52.34 ms. Allocated memory is still 302.0 MB. Free memory was 262.0 MB in the beginning and 258.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 4162.91 ms. Allocated memory was 302.0 MB in the beginning and 402.7 MB in the end (delta: 100.7 MB). Free memory was 258.8 MB in the beginning and 232.7 MB in the end (delta: 26.1 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 354725.94 ms. Allocated memory was 402.7 MB in the beginning and 660.6 MB in the end (delta: 257.9 MB). Free memory was 232.7 MB in the beginning and 299.6 MB in the end (delta: -66.9 MB). Peak memory consumption was 192.1 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 159381.6ms, 104 PlacesBefore, 128 PlacesAfterwards, 96 TransitionsBefore, 120 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 8 FixpointIterations, 140 TrivialSequentialCompositions, 80 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 221 TotalNumberOfCompositions, 16188 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3958, positive: 3689, positive conditional: 3689, positive unconditional: 0, negative: 269, negative conditional: 269, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1931, positive: 1863, positive conditional: 0, positive unconditional: 1863, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1931, positive: 1863, positive conditional: 0, positive unconditional: 1863, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1931, positive: 1848, positive conditional: 0, positive unconditional: 1848, negative: 83, negative conditional: 0, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 83, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 68, negative conditional: 0, negative unconditional: 68, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2601, positive: 50, positive conditional: 0, positive unconditional: 50, negative: 2551, negative conditional: 0, negative unconditional: 2551, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3958, positive: 1826, positive conditional: 1826, positive unconditional: 0, negative: 201, negative conditional: 201, negative unconditional: 0, unknown: 1931, unknown conditional: 1931, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1931, Positive cache size: 1863, Positive conditional cache size: 1863, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 713.5ms, 124 PlacesBefore, 51 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 1002 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 990 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 81, positive: 47, positive conditional: 47, positive unconditional: 0, negative: 34, negative conditional: 34, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 11, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 697, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 697, negative conditional: 0, negative unconditional: 697, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 81, positive: 39, positive conditional: 39, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1950, Positive cache size: 1871, Positive conditional cache size: 1871, Positive unconditional cache size: 0, Negative cache size: 79, Negative conditional cache size: 79, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 438.3ms, 52 PlacesBefore, 40 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 498 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 629 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 173, positive: 140, positive conditional: 140, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 77, positive conditional: 0, positive unconditional: 77, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 417, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 232, negative conditional: 97, negative unconditional: 134, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 173, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2037, Positive cache size: 1948, Positive conditional cache size: 1948, Positive unconditional cache size: 0, Negative cache size: 89, Negative conditional cache size: 89, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 72.8ms, 41 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 462 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 572 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 159, positive: 128, positive conditional: 128, 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: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 5, positive conditional: 0, positive unconditional: 5, 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: 2, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 56, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 56, negative conditional: 14, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 159, positive: 123, positive conditional: 123, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2045, Positive cache size: 1953, Positive conditional cache size: 1953, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 499.7ms, 43 PlacesBefore, 42 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 398 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 277, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 23, positive unconditional: 16, 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: 23, positive unconditional: 16, 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: 33, positive conditional: 0, positive unconditional: 33, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 42, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 277, positive: 183, positive conditional: 183, positive unconditional: 0, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2084, Positive cache size: 1992, Positive conditional cache size: 1992, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 156.7ms, 45 PlacesBefore, 44 PlacesAfterwards, 35 TransitionsBefore, 35 TransitionsAfterwards, 440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 134 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 41, positive conditional: 41, 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: 20, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 1, positive unconditional: 18, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 76, negative conditional: 0, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 22, positive conditional: 22, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2104, Positive cache size: 2011, Positive conditional cache size: 2011, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 149.8ms, 50 PlacesBefore, 50 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 150 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 41, positive: 33, positive conditional: 33, 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: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 41, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2114, Positive cache size: 2020, Positive conditional cache size: 2020, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 124.2ms, 56 PlacesBefore, 56 PlacesAfterwards, 58 TransitionsBefore, 58 TransitionsAfterwards, 586 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 84 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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: 4, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2115, Positive cache size: 2021, Positive conditional cache size: 2021, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 115.9ms, 58 PlacesBefore, 58 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 614 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 92 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2115, Positive cache size: 2021, Positive conditional cache size: 2021, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 379.9ms, 62 PlacesBefore, 62 PlacesAfterwards, 76 TransitionsBefore, 76 TransitionsAfterwards, 824 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2115, Positive cache size: 2021, Positive conditional cache size: 2021, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 306.4ms, 68 PlacesBefore, 68 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 950 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2115, Positive cache size: 2021, Positive conditional cache size: 2021, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 147524.8ms, 75 PlacesBefore, 75 PlacesAfterwards, 94 TransitionsBefore, 95 TransitionsAfterwards, 912 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 9 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 9 TotalNumberOfCompositions, 349 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 349, positive: 349, positive conditional: 349, 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: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 48, positive: 48, positive conditional: 0, positive unconditional: 48, 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: 349, positive: 301, positive conditional: 301, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 48, unknown conditional: 48, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2163, Positive cache size: 2069, Positive conditional cache size: 2069, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.8ms, 76 PlacesBefore, 73 PlacesAfterwards, 101 TransitionsBefore, 101 TransitionsAfterwards, 1004 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2163, Positive cache size: 2069, Positive conditional cache size: 2069, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 153.9ms, 79 PlacesBefore, 77 PlacesAfterwards, 97 TransitionsBefore, 97 TransitionsAfterwards, 934 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2163, Positive cache size: 2069, Positive conditional cache size: 2069, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2638.5ms, 79 PlacesBefore, 73 PlacesAfterwards, 83 TransitionsBefore, 84 TransitionsAfterwards, 794 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 4 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, 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: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 181.1ms, 73 PlacesBefore, 72 PlacesAfterwards, 91 TransitionsBefore, 91 TransitionsAfterwards, 1034 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 935.9ms, 74 PlacesBefore, 74 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1266 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 675.0ms, 82 PlacesBefore, 79 PlacesAfterwards, 93 TransitionsBefore, 93 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 253.4ms, 84 PlacesBefore, 81 PlacesAfterwards, 84 TransitionsBefore, 84 TransitionsAfterwards, 918 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 297.3ms, 82 PlacesBefore, 80 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 268.4ms, 85 PlacesBefore, 84 PlacesAfterwards, 90 TransitionsBefore, 90 TransitionsAfterwards, 1096 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 197.0ms, 91 PlacesBefore, 84 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 232.2ms, 72 PlacesBefore, 72 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 930 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.2ms, 77 PlacesBefore, 76 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 568 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2167, Positive cache size: 2073, Positive conditional cache size: 2073, Positive unconditional cache size: 0, Negative cache size: 94, Negative conditional cache size: 94, Negative unconditional cache size: 0 - CounterExampleResult [Line: 19]: 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_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2336; [L855] FCALL, FORK 0 pthread_create(&t2336, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2337; [L857] FCALL, FORK 0 pthread_create(&t2337, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2338; [L859] FCALL, FORK 0 pthread_create(&t2338, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=55, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 15.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 354400.7ms, OverallIterations: 24, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 25666.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 159493.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 119 SDtfs, 79 SDslu, 60 SDs, 0 SdLazy, 1388 SolverSat, 487 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7084.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 161 GetRequests, 13 SyntacticMatches, 9 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 12851.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=829occurred in iteration=12, InterpolantAutomatonStates: 138, 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: 130.4ms SsaConstructionTime, 1441.4ms SatisfiabilityAnalysisTime, 10412.6ms InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 361 ConstructedInterpolants, 0 QuantifiedInterpolants, 3878 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 23 InterpolantComputations, 23 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...