/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 05:06:17,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 05:06:17,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 05:06:17,560 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 05:06:17,561 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 05:06:17,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 05:06:17,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 05:06:17,572 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 05:06:17,574 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 05:06:17,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 05:06:17,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 05:06:17,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 05:06:17,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 05:06:17,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 05:06:17,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 05:06:17,588 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 05:06:17,590 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 05:06:17,591 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 05:06:17,593 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 05:06:17,599 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 05:06:17,600 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 05:06:17,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 05:06:17,602 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 05:06:17,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 05:06:17,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-25 05:06:17,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 05:06:17,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 05:06:17,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 05:06:17,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 05:06:17,616 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 05:06:17,616 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 05:06:17,617 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 05:06:17,617 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 05:06:17,617 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 05:06:17,618 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 05:06:17,618 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 05:06:17,622 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-RepeatedVariableLbe.epf [2021-03-25 05:06:17,655 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 05:06:17,655 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 05:06:17,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 05:06:17,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 05:06:17,659 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 05:06:17,659 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 05:06:17,659 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 05:06:17,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 05:06:17,659 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 05:06:17,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 05:06:17,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 05:06:17,661 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 05:06:17,661 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 05:06:17,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 05:06:17,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 05:06:17,662 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 05:06:17,662 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 05:06:17,662 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 05:06:17,663 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 05:06:17,664 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 05:06:17,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 05:06:17,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 05:06:17,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 05:06:17,937 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 05:06:17,937 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 05:06:17,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_pso.oepc.i [2021-03-25 05:06:17,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21c4ab13/8256aa98bd5c40d792363eccadfdeb3a/FLAG9d75f15f0 [2021-03-25 05:06:18,544 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 05:06:18,544 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_pso.oepc.i [2021-03-25 05:06:18,559 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21c4ab13/8256aa98bd5c40d792363eccadfdeb3a/FLAG9d75f15f0 [2021-03-25 05:06:18,850 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d21c4ab13/8256aa98bd5c40d792363eccadfdeb3a [2021-03-25 05:06:18,853 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 05:06:18,854 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 05:06:18,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 05:06:18,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 05:06:18,866 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 05:06:18,867 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:06:18" (1/1) ... [2021-03-25 05:06:18,868 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7582b9da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:18, skipping insertion in model container [2021-03-25 05:06:18,868 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 05:06:18" (1/1) ... [2021-03-25 05:06:18,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 05:06:18,914 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 05:06:19,064 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_pso.oepc.i[993,1006] [2021-03-25 05:06:19,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:06:19,325 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 05:06:19,336 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_pso.oepc.i[993,1006] [2021-03-25 05:06:19,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 05:06:19,482 INFO L208 MainTranslator]: Completed translation [2021-03-25 05:06:19,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19 WrapperNode [2021-03-25 05:06:19,484 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 05:06:19,485 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 05:06:19,485 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 05:06:19,485 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 05:06:19,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,561 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 05:06:19,562 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 05:06:19,562 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 05:06:19,562 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 05:06:19,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,575 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... [2021-03-25 05:06:19,627 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 05:06:19,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 05:06:19,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 05:06:19,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 05:06:19,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 05:06:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 05:06:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 05:06:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 05:06:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 05:06:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 05:06:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 05:06:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 05:06:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 05:06:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 05:06:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 05:06:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 05:06:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 05:06:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 05:06:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 05:06:19,691 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 05:06:22,904 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 05:06:22,904 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 05:06:22,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:06:22 BoogieIcfgContainer [2021-03-25 05:06:22,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 05:06:22,907 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 05:06:22,907 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 05:06:22,910 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 05:06:22,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 05:06:18" (1/3) ... [2021-03-25 05:06:22,910 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6383840f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:06:22, skipping insertion in model container [2021-03-25 05:06:22,910 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 05:06:19" (2/3) ... [2021-03-25 05:06:22,911 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6383840f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 05:06:22, skipping insertion in model container [2021-03-25 05:06:22,911 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 05:06:22" (3/3) ... [2021-03-25 05:06:22,912 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_pso.oepc.i [2021-03-25 05:06:22,917 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 05:06:22,921 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 05:06:22,922 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 05:06:22,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,964 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,965 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,966 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,967 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,968 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,969 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,970 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,971 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,972 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,974 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,976 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,977 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,978 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,979 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,979 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,979 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,979 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,981 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,984 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,985 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,990 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,991 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,992 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,993 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,994 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,995 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,996 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,997 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,998 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:22,999 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,000 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,002 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,003 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,004 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,004 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,004 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,007 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,008 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,015 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,016 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,017 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,025 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,025 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,026 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,027 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,028 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,029 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,030 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,031 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 05:06:23,032 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 05:06:23,047 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-25 05:06:23,072 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 05:06:23,072 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 05:06:23,072 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 05:06:23,073 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 05:06:23,073 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 05:06:23,073 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 05:06:23,073 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 05:06:23,073 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 05:06:23,088 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-25 05:06:23,129 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-25 05:06:23,129 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:06:23,141 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. [2021-03-25 05:06:23,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-25 05:06:23,146 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-25 05:06:23,147 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:23,154 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-25 05:06:23,158 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-25 05:06:23,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-25 05:06:23,189 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-25 05:06:23,190 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:06:23,191 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. [2021-03-25 05:06:23,195 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-25 05:06:23,820 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 05:06:24,190 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-25 05:06:24,324 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-25 05:06:25,833 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-25 05:06:26,144 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-25 05:06:27,472 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-25 05:06:28,083 WARN L205 SmtUtils]: Spent 608.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-25 05:06:28,392 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-25 05:06:28,392 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-25 05:06:28,395 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5248 [2021-03-25 05:06:28,406 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-25 05:06:28,406 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:06:28,406 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:28,407 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:28,407 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:28,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:28,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-25 05:06:28,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:28,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926042126] [2021-03-25 05:06:28,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:28,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:28,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:28,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:06:28,587 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:28,587 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:28,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:28,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926042126] [2021-03-25 05:06:28,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:28,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:06:28,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333936873] [2021-03-25 05:06:28,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:06:28,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:28,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:06:28,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:06:28,614 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-25 05:06:28,616 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:28,617 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:28,617 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-25 05:06:28,618 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:28,795 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-25 05:06:28,796 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:06:28,799 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-25 05:06:28,803 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-25 05:06:28,803 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-25 05:06:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:06:28,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:06:28,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-25 05:06:28,822 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-25 05:06:28,822 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-25 05:06:28,823 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-25 05:06:28,826 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:28,828 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-25 05:06:28,833 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:28,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:28,840 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:28,842 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-25 05:06:28,843 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-25 05:06:28,845 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-25 05:06:28,846 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-25 05:06:28,850 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-25 05:06:28,851 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-25 05:06:28,851 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:28,851 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 37 transitions, 84 flow [2021-03-25 05:06:28,852 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 37 transitions, 84 flow [2021-03-25 05:06:28,853 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 37 transitions, 84 flow [2021-03-25 05:06:28,858 INFO L129 PetriNetUnfolder]: 0/37 cut-off events. [2021-03-25 05:06:28,859 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 05:06:28,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 37 events. 0/37 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 48 event pairs, 0 based on Foata normal form. 0/35 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 05:06:28,859 INFO L142 LiptonReduction]: Number of co-enabled transitions 402 [2021-03-25 05:06:29,575 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 188 [2021-03-25 05:06:29,890 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-03-25 05:06:30,914 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2021-03-25 05:06:31,488 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-03-25 05:06:32,044 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-25 05:06:32,329 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-03-25 05:06:33,431 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2021-03-25 05:06:33,998 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-03-25 05:06:34,293 INFO L154 LiptonReduction]: Checked pairs total: 1585 [2021-03-25 05:06:34,293 INFO L156 LiptonReduction]: Total number of compositions: 11 [2021-03-25 05:06:34,293 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5442 [2021-03-25 05:06:34,294 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 27 transitions, 64 flow [2021-03-25 05:06:34,294 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:34,295 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:34,295 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:34,295 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 05:06:34,295 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:34,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:34,295 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-25 05:06:34,296 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:34,296 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411912243] [2021-03-25 05:06:34,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:34,463 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:34,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:06:34,464 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:34,464 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:34,471 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 05:06:34,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:06:34,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:34,475 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411912243] [2021-03-25 05:06:34,475 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:34,475 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:06:34,475 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977171789] [2021-03-25 05:06:34,476 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:06:34,476 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:34,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:06:34,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:06:34,478 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 172 [2021-03-25 05:06:34,479 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 27 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:34,479 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:34,479 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 172 [2021-03-25 05:06:34,479 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:34,514 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-03-25 05:06:34,514 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:06:34,514 INFO L84 FinitePrefix]: Finished finitePrefix Result has 47 conditions, 30 events. 1/30 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 56 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 36. Up to 3 conditions per place. [2021-03-25 05:06:34,514 INFO L132 encePairwiseOnDemand]: 168/172 looper letters, 1 selfloop transitions, 2 changer transitions 5/29 dead transitions. [2021-03-25 05:06:34,514 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 80 flow [2021-03-25 05:06:34,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 05:06:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 05:06:34,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 747 transitions. [2021-03-25 05:06:34,518 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8686046511627907 [2021-03-25 05:06:34,518 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 747 transitions. [2021-03-25 05:06:34,518 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 747 transitions. [2021-03-25 05:06:34,519 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:34,519 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 747 transitions. [2021-03-25 05:06:34,522 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 149.4) internal successors, (747), 5 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:34,525 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:34,526 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:34,526 INFO L185 Difference]: Start difference. First operand has 36 places, 27 transitions, 64 flow. Second operand 5 states and 747 transitions. [2021-03-25 05:06:34,526 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 80 flow [2021-03-25 05:06:34,527 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 76 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:06:34,527 INFO L241 Difference]: Finished difference. Result has 39 places, 24 transitions, 62 flow [2021-03-25 05:06:34,527 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=62, PETRI_PLACES=39, PETRI_TRANSITIONS=24} [2021-03-25 05:06:34,531 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -10 predicate places. [2021-03-25 05:06:34,532 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:34,532 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 24 transitions, 62 flow [2021-03-25 05:06:34,532 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 24 transitions, 62 flow [2021-03-25 05:06:34,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 24 transitions, 62 flow [2021-03-25 05:06:34,539 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-03-25 05:06:34,540 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:06:34,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 37 conditions, 24 events. 0/24 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 33 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 05:06:34,540 INFO L142 LiptonReduction]: Number of co-enabled transitions 240 [2021-03-25 05:06:35,109 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-25 05:06:35,224 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-25 05:06:35,473 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-03-25 05:06:35,596 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-03-25 05:06:35,600 INFO L154 LiptonReduction]: Checked pairs total: 888 [2021-03-25 05:06:35,600 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:06:35,600 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1068 [2021-03-25 05:06:35,601 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 22 transitions, 58 flow [2021-03-25 05:06:35,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,602 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:35,602 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:35,602 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 05:06:35,602 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:35,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:35,602 INFO L82 PathProgramCache]: Analyzing trace with hash 1204665657, now seen corresponding path program 1 times [2021-03-25 05:06:35,603 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:35,603 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526071760] [2021-03-25 05:06:35,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:35,724 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:35,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:06:35,725 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:35,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:35,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:35,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526071760] [2021-03-25 05:06:35,728 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:35,728 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:06:35,728 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2110118653] [2021-03-25 05:06:35,728 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 05:06:35,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:35,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 05:06:35,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 05:06:35,730 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 152 out of 174 [2021-03-25 05:06:35,730 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 22 transitions, 58 flow. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,730 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:35,730 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 174 [2021-03-25 05:06:35,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:35,741 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-25 05:06:35,741 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-25 05:06:35,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 22 events. 0/22 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 event pairs, 0 based on Foata normal form. 1/23 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 05:06:35,741 INFO L132 encePairwiseOnDemand]: 171/174 looper letters, 1 selfloop transitions, 2 changer transitions 0/22 dead transitions. [2021-03-25 05:06:35,741 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 22 transitions, 64 flow [2021-03-25 05:06:35,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 05:06:35,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 05:06:35,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 460 transitions. [2021-03-25 05:06:35,743 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8812260536398467 [2021-03-25 05:06:35,744 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 460 transitions. [2021-03-25 05:06:35,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 460 transitions. [2021-03-25 05:06:35,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:35,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 460 transitions. [2021-03-25 05:06:35,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 153.33333333333334) internal successors, (460), 3 states have internal predecessors, (460), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,746 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,747 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,747 INFO L185 Difference]: Start difference. First operand has 32 places, 22 transitions, 58 flow. Second operand 3 states and 460 transitions. [2021-03-25 05:06:35,747 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 34 places, 22 transitions, 64 flow [2021-03-25 05:06:35,747 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 32 places, 22 transitions, 60 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:06:35,748 INFO L241 Difference]: Finished difference. Result has 33 places, 22 transitions, 62 flow [2021-03-25 05:06:35,748 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=62, PETRI_PLACES=33, PETRI_TRANSITIONS=22} [2021-03-25 05:06:35,748 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -16 predicate places. [2021-03-25 05:06:35,748 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:35,749 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 33 places, 22 transitions, 62 flow [2021-03-25 05:06:35,749 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 33 places, 22 transitions, 62 flow [2021-03-25 05:06:35,749 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 22 transitions, 62 flow [2021-03-25 05:06:35,753 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-25 05:06:35,753 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 05:06:35,753 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 36 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. [2021-03-25 05:06:35,753 INFO L142 LiptonReduction]: Number of co-enabled transitions 238 [2021-03-25 05:06:35,754 INFO L154 LiptonReduction]: Checked pairs total: 284 [2021-03-25 05:06:35,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:06:35,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6 [2021-03-25 05:06:35,755 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 22 transitions, 62 flow [2021-03-25 05:06:35,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:35,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:35,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 05:06:35,756 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:35,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:35,756 INFO L82 PathProgramCache]: Analyzing trace with hash 862428655, now seen corresponding path program 1 times [2021-03-25 05:06:35,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:35,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092379935] [2021-03-25 05:06:35,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:35,873 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:35,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:35,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:35,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:35,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:35,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092379935] [2021-03-25 05:06:35,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:35,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 05:06:35,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178964000] [2021-03-25 05:06:35,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:06:35,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:35,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:06:35,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:06:35,882 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 147 out of 174 [2021-03-25 05:06:35,882 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 22 transitions, 62 flow. Second operand has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,882 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:35,883 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 147 of 174 [2021-03-25 05:06:35,883 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:35,901 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-03-25 05:06:35,901 INFO L130 PetriNetUnfolder]: For 9/11 co-relation queries the response was YES. [2021-03-25 05:06:35,901 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 29 events. 0/29 cut-off events. For 9/11 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 63 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. [2021-03-25 05:06:35,901 INFO L132 encePairwiseOnDemand]: 170/174 looper letters, 1 selfloop transitions, 3 changer transitions 1/23 dead transitions. [2021-03-25 05:06:35,901 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 23 transitions, 77 flow [2021-03-25 05:06:35,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:06:35,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:06:35,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 595 transitions. [2021-03-25 05:06:35,903 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8548850574712644 [2021-03-25 05:06:35,903 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 595 transitions. [2021-03-25 05:06:35,903 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 595 transitions. [2021-03-25 05:06:35,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:35,904 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 595 transitions. [2021-03-25 05:06:35,905 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,907 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,907 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 174.0) internal successors, (870), 5 states have internal predecessors, (870), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:35,907 INFO L185 Difference]: Start difference. First operand has 33 places, 22 transitions, 62 flow. Second operand 4 states and 595 transitions. [2021-03-25 05:06:35,907 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 23 transitions, 77 flow [2021-03-25 05:06:35,908 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 23 transitions, 71 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:06:35,908 INFO L241 Difference]: Finished difference. Result has 36 places, 22 transitions, 72 flow [2021-03-25 05:06:35,908 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=174, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=22, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=36, PETRI_TRANSITIONS=22} [2021-03-25 05:06:35,909 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -13 predicate places. [2021-03-25 05:06:35,909 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:35,909 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 22 transitions, 72 flow [2021-03-25 05:06:35,909 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 22 transitions, 72 flow [2021-03-25 05:06:35,909 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 22 transitions, 72 flow [2021-03-25 05:06:35,913 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-25 05:06:35,913 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-25 05:06:35,914 INFO L84 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 22 events. 0/22 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 34 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. [2021-03-25 05:06:35,914 INFO L142 LiptonReduction]: Number of co-enabled transitions 218 [2021-03-25 05:06:36,011 INFO L154 LiptonReduction]: Checked pairs total: 458 [2021-03-25 05:06:36,012 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:06:36,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-03-25 05:06:36,012 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 21 transitions, 70 flow [2021-03-25 05:06:36,013 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 147.75) internal successors, (591), 4 states have internal predecessors, (591), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,013 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:36,013 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:36,013 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 05:06:36,013 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:36,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:36,014 INFO L82 PathProgramCache]: Analyzing trace with hash 223329024, now seen corresponding path program 1 times [2021-03-25 05:06:36,014 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:36,014 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811605069] [2021-03-25 05:06:36,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:36,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:36,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:06:36,178 INFO L142 QuantifierPusher]: treesize reduction 10, result has 81.5 percent of original size [2021-03-25 05:06:36,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-03-25 05:06:36,185 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,186 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:06:36,192 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:06:36,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:06:36,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:36,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811605069] [2021-03-25 05:06:36,218 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:36,218 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:06:36,218 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520306049] [2021-03-25 05:06:36,218 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:06:36,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:36,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:06:36,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:06:36,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 175 [2021-03-25 05:06:36,225 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 21 transitions, 70 flow. Second operand has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:36,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 175 [2021-03-25 05:06:36,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:36,406 INFO L129 PetriNetUnfolder]: 128/271 cut-off events. [2021-03-25 05:06:36,406 INFO L130 PetriNetUnfolder]: For 143/143 co-relation queries the response was YES. [2021-03-25 05:06:36,407 INFO L84 FinitePrefix]: Finished finitePrefix Result has 615 conditions, 271 events. 128/271 cut-off events. For 143/143 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1274 event pairs, 28 based on Foata normal form. 1/255 useless extension candidates. Maximal degree in co-relation 602. Up to 193 conditions per place. [2021-03-25 05:06:36,409 INFO L132 encePairwiseOnDemand]: 166/175 looper letters, 14 selfloop transitions, 12 changer transitions 0/36 dead transitions. [2021-03-25 05:06:36,409 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 161 flow [2021-03-25 05:06:36,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:06:36,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:06:36,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 765 transitions. [2021-03-25 05:06:36,412 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7285714285714285 [2021-03-25 05:06:36,412 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 765 transitions. [2021-03-25 05:06:36,413 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 765 transitions. [2021-03-25 05:06:36,413 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:36,413 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 765 transitions. [2021-03-25 05:06:36,415 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 127.5) internal successors, (765), 6 states have internal predecessors, (765), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,417 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,418 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 175.0) internal successors, (1225), 7 states have internal predecessors, (1225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,419 INFO L185 Difference]: Start difference. First operand has 35 places, 21 transitions, 70 flow. Second operand 6 states and 765 transitions. [2021-03-25 05:06:36,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 161 flow [2021-03-25 05:06:36,420 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 36 transitions, 143 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 05:06:36,421 INFO L241 Difference]: Finished difference. Result has 39 places, 31 transitions, 136 flow [2021-03-25 05:06:36,421 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=136, PETRI_PLACES=39, PETRI_TRANSITIONS=31} [2021-03-25 05:06:36,421 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -10 predicate places. [2021-03-25 05:06:36,421 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:36,422 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 31 transitions, 136 flow [2021-03-25 05:06:36,422 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 31 transitions, 136 flow [2021-03-25 05:06:36,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 31 transitions, 136 flow [2021-03-25 05:06:36,442 INFO L129 PetriNetUnfolder]: 45/122 cut-off events. [2021-03-25 05:06:36,442 INFO L130 PetriNetUnfolder]: For 64/71 co-relation queries the response was YES. [2021-03-25 05:06:36,443 INFO L84 FinitePrefix]: Finished finitePrefix Result has 298 conditions, 122 events. 45/122 cut-off events. For 64/71 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 501 event pairs, 13 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 286. Up to 62 conditions per place. [2021-03-25 05:06:36,444 INFO L142 LiptonReduction]: Number of co-enabled transitions 250 [2021-03-25 05:06:36,447 INFO L154 LiptonReduction]: Checked pairs total: 123 [2021-03-25 05:06:36,447 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:06:36,448 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 05:06:36,448 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 31 transitions, 136 flow [2021-03-25 05:06:36,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 124.16666666666667) internal successors, (745), 6 states have internal predecessors, (745), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,448 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:36,449 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:36,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 05:06:36,449 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:36,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:36,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1006049547, now seen corresponding path program 1 times [2021-03-25 05:06:36,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:36,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1176422149] [2021-03-25 05:06:36,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:36,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:36,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,557 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:06:36,564 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,564 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:06:36,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:06:36,588 INFO L142 QuantifierPusher]: treesize reduction 4, result has 78.9 percent of original size [2021-03-25 05:06:36,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:06:36,601 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-25 05:06:36,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:36,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:06:36,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:36,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1176422149] [2021-03-25 05:06:36,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:36,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:06:36,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2128692353] [2021-03-25 05:06:36,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:06:36,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:36,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:06:36,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:06:36,632 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 175 [2021-03-25 05:06:36,633 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 31 transitions, 136 flow. Second operand has 8 states, 8 states have (on average 123.875) internal successors, (991), 8 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) [2021-03-25 05:06:36,633 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:36,633 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 175 [2021-03-25 05:06:36,633 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:36,891 INFO L129 PetriNetUnfolder]: 130/270 cut-off events. [2021-03-25 05:06:36,892 INFO L130 PetriNetUnfolder]: For 206/277 co-relation queries the response was YES. [2021-03-25 05:06:36,893 INFO L84 FinitePrefix]: Finished finitePrefix Result has 784 conditions, 270 events. 130/270 cut-off events. For 206/277 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1221 event pairs, 18 based on Foata normal form. 18/281 useless extension candidates. Maximal degree in co-relation 770. Up to 190 conditions per place. [2021-03-25 05:06:36,895 INFO L132 encePairwiseOnDemand]: 166/175 looper letters, 15 selfloop transitions, 21 changer transitions 0/46 dead transitions. [2021-03-25 05:06:36,895 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 46 transitions, 272 flow [2021-03-25 05:06:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:06:36,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:06:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 891 transitions. [2021-03-25 05:06:36,898 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7273469387755102 [2021-03-25 05:06:36,898 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 891 transitions. [2021-03-25 05:06:36,898 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 891 transitions. [2021-03-25 05:06:36,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:36,899 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 891 transitions. [2021-03-25 05:06:36,900 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,902 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,902 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 175.0) internal successors, (1400), 8 states have internal predecessors, (1400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:36,902 INFO L185 Difference]: Start difference. First operand has 39 places, 31 transitions, 136 flow. Second operand 7 states and 891 transitions. [2021-03-25 05:06:36,902 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 46 transitions, 272 flow [2021-03-25 05:06:36,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 46 transitions, 272 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-25 05:06:36,907 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 242 flow [2021-03-25 05:06:36,907 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=175, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=242, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2021-03-25 05:06:36,907 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-25 05:06:36,908 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:36,908 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 41 transitions, 242 flow [2021-03-25 05:06:36,908 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 41 transitions, 242 flow [2021-03-25 05:06:36,908 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 41 transitions, 242 flow [2021-03-25 05:06:36,934 INFO L129 PetriNetUnfolder]: 48/121 cut-off events. [2021-03-25 05:06:36,935 INFO L130 PetriNetUnfolder]: For 148/172 co-relation queries the response was YES. [2021-03-25 05:06:36,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 396 conditions, 121 events. 48/121 cut-off events. For 148/172 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 506 event pairs, 14 based on Foata normal form. 4/116 useless extension candidates. Maximal degree in co-relation 381. Up to 63 conditions per place. [2021-03-25 05:06:36,936 INFO L142 LiptonReduction]: Number of co-enabled transitions 286 [2021-03-25 05:06:37,564 WARN L205 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:06:37,848 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:06:39,064 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:06:39,559 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:06:40,175 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:06:40,481 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:06:41,850 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:06:42,409 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:06:42,416 INFO L154 LiptonReduction]: Checked pairs total: 318 [2021-03-25 05:06:42,417 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:06:42,417 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5509 [2021-03-25 05:06:42,417 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 41 transitions, 246 flow [2021-03-25 05:06:42,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 123.875) internal successors, (991), 8 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) [2021-03-25 05:06:42,418 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:42,418 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:42,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 05:06:42,418 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:42,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:42,418 INFO L82 PathProgramCache]: Analyzing trace with hash -1630669499, now seen corresponding path program 2 times [2021-03-25 05:06:42,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:42,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530947836] [2021-03-25 05:06:42,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:42,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:42,489 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:42,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:06:42,495 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:42,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:06:42,496 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:42,496 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:06:42,505 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:42,506 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:06:42,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:42,517 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530947836] [2021-03-25 05:06:42,517 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:42,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:06:42,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532556044] [2021-03-25 05:06:42,518 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:06:42,518 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:42,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:06:42,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:06:42,519 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 177 [2021-03-25 05:06:42,520 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 41 transitions, 246 flow. Second operand has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:42,520 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:42,520 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 177 [2021-03-25 05:06:42,520 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:42,698 INFO L129 PetriNetUnfolder]: 142/295 cut-off events. [2021-03-25 05:06:42,699 INFO L130 PetriNetUnfolder]: For 445/540 co-relation queries the response was YES. [2021-03-25 05:06:42,700 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1023 conditions, 295 events. 142/295 cut-off events. For 445/540 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1408 event pairs, 40 based on Foata normal form. 24/310 useless extension candidates. Maximal degree in co-relation 1006. Up to 201 conditions per place. [2021-03-25 05:06:42,701 INFO L132 encePairwiseOnDemand]: 167/177 looper letters, 25 selfloop transitions, 15 changer transitions 0/50 dead transitions. [2021-03-25 05:06:42,701 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 50 transitions, 378 flow [2021-03-25 05:06:42,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:06:42,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:06:42,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 772 transitions. [2021-03-25 05:06:42,704 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7269303201506592 [2021-03-25 05:06:42,704 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 772 transitions. [2021-03-25 05:06:42,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 772 transitions. [2021-03-25 05:06:42,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:42,705 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 772 transitions. [2021-03-25 05:06:42,706 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 128.66666666666666) internal successors, (772), 6 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:42,707 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:42,708 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 177.0) internal successors, (1239), 7 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:42,708 INFO L185 Difference]: Start difference. First operand has 46 places, 41 transitions, 246 flow. Second operand 6 states and 772 transitions. [2021-03-25 05:06:42,708 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 50 transitions, 378 flow [2021-03-25 05:06:42,710 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 50 transitions, 372 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-03-25 05:06:42,711 INFO L241 Difference]: Finished difference. Result has 52 places, 47 transitions, 333 flow [2021-03-25 05:06:42,711 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=177, PETRI_DIFFERENCE_MINUEND_FLOW=240, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=333, PETRI_PLACES=52, PETRI_TRANSITIONS=47} [2021-03-25 05:06:42,711 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 3 predicate places. [2021-03-25 05:06:42,711 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:42,711 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 47 transitions, 333 flow [2021-03-25 05:06:42,712 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 47 transitions, 333 flow [2021-03-25 05:06:42,712 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 47 transitions, 333 flow [2021-03-25 05:06:42,739 INFO L129 PetriNetUnfolder]: 82/187 cut-off events. [2021-03-25 05:06:42,739 INFO L130 PetriNetUnfolder]: For 378/424 co-relation queries the response was YES. [2021-03-25 05:06:42,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 710 conditions, 187 events. 82/187 cut-off events. For 378/424 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 811 event pairs, 23 based on Foata normal form. 9/180 useless extension candidates. Maximal degree in co-relation 692. Up to 105 conditions per place. [2021-03-25 05:06:42,742 INFO L142 LiptonReduction]: Number of co-enabled transitions 324 [2021-03-25 05:06:43,480 WARN L205 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:06:43,774 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:06:45,076 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 302 DAG size of output: 257 [2021-03-25 05:06:45,635 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-25 05:06:46,327 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:06:46,629 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:06:47,998 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:06:48,614 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:06:48,624 INFO L154 LiptonReduction]: Checked pairs total: 275 [2021-03-25 05:06:48,624 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:06:48,624 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5913 [2021-03-25 05:06:48,625 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 47 transitions, 337 flow [2021-03-25 05:06:48,625 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 125.4) internal successors, (627), 5 states have internal predecessors, (627), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:48,625 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:48,625 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:48,625 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 05:06:48,626 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:48,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:48,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1172541517, now seen corresponding path program 1 times [2021-03-25 05:06:48,626 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:48,626 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077807170] [2021-03-25 05:06:48,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:48,705 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:48,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:06:48,711 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:48,712 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:06:48,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:48,714 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:06:48,722 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:48,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:06:48,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:48,737 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077807170] [2021-03-25 05:06:48,737 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:48,737 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:06:48,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720428068] [2021-03-25 05:06:48,738 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:06:48,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:48,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:06:48,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:06:48,739 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 179 [2021-03-25 05:06:48,740 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 47 transitions, 337 flow. Second operand has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:48,740 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:48,740 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 179 [2021-03-25 05:06:48,740 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:48,956 INFO L129 PetriNetUnfolder]: 179/389 cut-off events. [2021-03-25 05:06:48,956 INFO L130 PetriNetUnfolder]: For 712/832 co-relation queries the response was YES. [2021-03-25 05:06:48,957 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1524 conditions, 389 events. 179/389 cut-off events. For 712/832 co-relation queries the response was YES. Maximal size of possible extension queue 49. Compared 2110 event pairs, 39 based on Foata normal form. 20/398 useless extension candidates. Maximal degree in co-relation 1504. Up to 237 conditions per place. [2021-03-25 05:06:48,960 INFO L132 encePairwiseOnDemand]: 167/179 looper letters, 30 selfloop transitions, 14 changer transitions 0/54 dead transitions. [2021-03-25 05:06:48,960 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 54 transitions, 467 flow [2021-03-25 05:06:48,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:06:48,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:06:48,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 537 transitions. [2021-03-25 05:06:48,963 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.75 [2021-03-25 05:06:48,963 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 537 transitions. [2021-03-25 05:06:48,963 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 537 transitions. [2021-03-25 05:06:48,963 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:48,963 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 537 transitions. [2021-03-25 05:06:48,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 134.25) internal successors, (537), 4 states have internal predecessors, (537), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:48,965 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:48,966 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:48,966 INFO L185 Difference]: Start difference. First operand has 52 places, 47 transitions, 337 flow. Second operand 4 states and 537 transitions. [2021-03-25 05:06:48,966 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 54 transitions, 467 flow [2021-03-25 05:06:48,969 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 54 transitions, 447 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-25 05:06:48,972 INFO L241 Difference]: Finished difference. Result has 52 places, 52 transitions, 405 flow [2021-03-25 05:06:48,972 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=319, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=405, PETRI_PLACES=52, PETRI_TRANSITIONS=52} [2021-03-25 05:06:48,972 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 3 predicate places. [2021-03-25 05:06:48,972 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:48,973 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 52 transitions, 405 flow [2021-03-25 05:06:48,973 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 52 transitions, 405 flow [2021-03-25 05:06:48,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 52 transitions, 405 flow [2021-03-25 05:06:49,008 INFO L129 PetriNetUnfolder]: 95/236 cut-off events. [2021-03-25 05:06:49,008 INFO L130 PetriNetUnfolder]: For 612/708 co-relation queries the response was YES. [2021-03-25 05:06:49,009 INFO L84 FinitePrefix]: Finished finitePrefix Result has 985 conditions, 236 events. 95/236 cut-off events. For 612/708 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 1090 event pairs, 15 based on Foata normal form. 9/223 useless extension candidates. Maximal degree in co-relation 967. Up to 134 conditions per place. [2021-03-25 05:06:49,011 INFO L142 LiptonReduction]: Number of co-enabled transitions 362 [2021-03-25 05:06:49,017 INFO L154 LiptonReduction]: Checked pairs total: 214 [2021-03-25 05:06:49,018 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:06:49,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 46 [2021-03-25 05:06:49,018 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 52 transitions, 405 flow [2021-03-25 05:06:49,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.6) internal successors, (648), 5 states have internal predecessors, (648), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:49,019 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:49,019 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:49,019 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 05:06:49,019 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:49,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:49,020 INFO L82 PathProgramCache]: Analyzing trace with hash -1651819815, now seen corresponding path program 1 times [2021-03-25 05:06:49,020 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:49,020 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692833011] [2021-03-25 05:06:49,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:49,142 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,143 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:06:49,157 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,161 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:06:49,181 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,182 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:06:49,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,211 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:06:49,235 INFO L142 QuantifierPusher]: treesize reduction 7, result has 77.4 percent of original size [2021-03-25 05:06:49,236 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-25 05:06:49,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:06:49,270 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:49,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-25 05:06:49,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:49,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692833011] [2021-03-25 05:06:49,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:49,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:06:49,285 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244542409] [2021-03-25 05:06:49,285 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:06:49,285 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:49,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:06:49,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:06:49,287 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 179 [2021-03-25 05:06:49,287 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 52 transitions, 405 flow. Second operand has 9 states, 9 states have (on average 123.88888888888889) internal successors, (1115), 9 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:49,288 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:49,288 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 179 [2021-03-25 05:06:49,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:49,587 INFO L129 PetriNetUnfolder]: 187/400 cut-off events. [2021-03-25 05:06:49,587 INFO L130 PetriNetUnfolder]: For 1005/1111 co-relation queries the response was YES. [2021-03-25 05:06:49,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1773 conditions, 400 events. 187/400 cut-off events. For 1005/1111 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2176 event pairs, 23 based on Foata normal form. 22/413 useless extension candidates. Maximal degree in co-relation 1753. Up to 293 conditions per place. [2021-03-25 05:06:49,591 INFO L132 encePairwiseOnDemand]: 167/179 looper letters, 26 selfloop transitions, 22 changer transitions 0/58 dead transitions. [2021-03-25 05:06:49,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 58 transitions, 542 flow [2021-03-25 05:06:49,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 05:06:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 05:06:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 645 transitions. [2021-03-25 05:06:49,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7206703910614525 [2021-03-25 05:06:49,594 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 645 transitions. [2021-03-25 05:06:49,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 645 transitions. [2021-03-25 05:06:49,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:49,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 645 transitions. [2021-03-25 05:06:49,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:49,598 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:49,598 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 179.0) internal successors, (1074), 6 states have internal predecessors, (1074), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:49,598 INFO L185 Difference]: Start difference. First operand has 52 places, 52 transitions, 405 flow. Second operand 5 states and 645 transitions. [2021-03-25 05:06:49,598 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 58 transitions, 542 flow [2021-03-25 05:06:49,602 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 58 transitions, 541 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 05:06:49,604 INFO L241 Difference]: Finished difference. Result has 56 places, 55 transitions, 504 flow [2021-03-25 05:06:49,604 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=179, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=19, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=504, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2021-03-25 05:06:49,604 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2021-03-25 05:06:49,604 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:49,605 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 55 transitions, 504 flow [2021-03-25 05:06:49,605 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 55 transitions, 504 flow [2021-03-25 05:06:49,605 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 55 transitions, 504 flow [2021-03-25 05:06:49,642 INFO L129 PetriNetUnfolder]: 99/247 cut-off events. [2021-03-25 05:06:49,643 INFO L130 PetriNetUnfolder]: For 904/1050 co-relation queries the response was YES. [2021-03-25 05:06:49,643 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1126 conditions, 247 events. 99/247 cut-off events. For 904/1050 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1189 event pairs, 15 based on Foata normal form. 10/236 useless extension candidates. Maximal degree in co-relation 1106. Up to 141 conditions per place. [2021-03-25 05:06:49,646 INFO L142 LiptonReduction]: Number of co-enabled transitions 390 [2021-03-25 05:06:50,471 WARN L205 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:06:50,881 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2021-03-25 05:06:52,369 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:06:53,021 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:06:53,034 INFO L154 LiptonReduction]: Checked pairs total: 565 [2021-03-25 05:06:53,034 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:06:53,034 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3430 [2021-03-25 05:06:53,035 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 506 flow [2021-03-25 05:06:53,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 123.88888888888889) internal successors, (1115), 9 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:53,035 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:53,036 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:53,036 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 05:06:53,036 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:53,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:53,036 INFO L82 PathProgramCache]: Analyzing trace with hash 453408829, now seen corresponding path program 1 times [2021-03-25 05:06:53,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:53,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36712084] [2021-03-25 05:06:53,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:53,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:53,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:06:53,097 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 05:06:53,098 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:06:53,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:53,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:06:53,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:53,105 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36712084] [2021-03-25 05:06:53,105 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:53,105 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 05:06:53,105 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955354756] [2021-03-25 05:06:53,106 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 05:06:53,106 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:53,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 05:06:53,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 05:06:53,107 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 180 [2021-03-25 05:06:53,107 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 506 flow. Second operand has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:53,108 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:53,108 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 180 [2021-03-25 05:06:53,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:06:53,204 INFO L129 PetriNetUnfolder]: 204/502 cut-off events. [2021-03-25 05:06:53,205 INFO L130 PetriNetUnfolder]: For 1242/1406 co-relation queries the response was YES. [2021-03-25 05:06:53,207 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1681 conditions, 502 events. 204/502 cut-off events. For 1242/1406 co-relation queries the response was YES. Maximal size of possible extension queue 82. Compared 3266 event pairs, 57 based on Foata normal form. 69/542 useless extension candidates. Maximal degree in co-relation 1659. Up to 250 conditions per place. [2021-03-25 05:06:53,209 INFO L132 encePairwiseOnDemand]: 174/180 looper letters, 8 selfloop transitions, 8 changer transitions 0/59 dead transitions. [2021-03-25 05:06:53,209 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 59 transitions, 498 flow [2021-03-25 05:06:53,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 05:06:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 05:06:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 783 transitions. [2021-03-25 05:06:53,212 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.87 [2021-03-25 05:06:53,212 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 783 transitions. [2021-03-25 05:06:53,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 783 transitions. [2021-03-25 05:06:53,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:06:53,213 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 783 transitions. [2021-03-25 05:06:53,214 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 156.6) internal successors, (783), 5 states have internal predecessors, (783), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:53,216 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:53,216 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 180.0) internal successors, (1080), 6 states have internal predecessors, (1080), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:53,216 INFO L185 Difference]: Start difference. First operand has 56 places, 55 transitions, 506 flow. Second operand 5 states and 783 transitions. [2021-03-25 05:06:53,216 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 59 transitions, 498 flow [2021-03-25 05:06:53,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 59 transitions, 448 flow, removed 1 selfloop flow, removed 7 redundant places. [2021-03-25 05:06:53,221 INFO L241 Difference]: Finished difference. Result has 56 places, 56 transitions, 456 flow [2021-03-25 05:06:53,221 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=180, PETRI_DIFFERENCE_MINUEND_FLOW=396, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=49, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=456, PETRI_PLACES=56, PETRI_TRANSITIONS=56} [2021-03-25 05:06:53,222 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 7 predicate places. [2021-03-25 05:06:53,222 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:06:53,222 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 56 transitions, 456 flow [2021-03-25 05:06:53,223 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 56 transitions, 456 flow [2021-03-25 05:06:53,223 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 56 places, 56 transitions, 456 flow [2021-03-25 05:06:53,278 INFO L129 PetriNetUnfolder]: 196/467 cut-off events. [2021-03-25 05:06:53,278 INFO L130 PetriNetUnfolder]: For 1364/1651 co-relation queries the response was YES. [2021-03-25 05:06:53,280 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1814 conditions, 467 events. 196/467 cut-off events. For 1364/1651 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2932 event pairs, 59 based on Foata normal form. 32/458 useless extension candidates. Maximal degree in co-relation 1793. Up to 218 conditions per place. [2021-03-25 05:06:53,284 INFO L142 LiptonReduction]: Number of co-enabled transitions 512 [2021-03-25 05:06:54,577 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 269 DAG size of output: 211 [2021-03-25 05:06:55,069 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-03-25 05:06:57,719 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 377 DAG size of output: 316 [2021-03-25 05:06:58,844 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 307 [2021-03-25 05:06:59,084 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:06:59,581 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 05:06:59,743 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 05:06:59,753 INFO L154 LiptonReduction]: Checked pairs total: 47 [2021-03-25 05:06:59,754 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 05:06:59,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 6532 [2021-03-25 05:06:59,754 INFO L480 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 455 flow [2021-03-25 05:06:59,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 153.75) internal successors, (615), 4 states have internal predecessors, (615), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:59,755 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:06:59,755 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:06:59,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 05:06:59,755 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:06:59,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:06:59,756 INFO L82 PathProgramCache]: Analyzing trace with hash 838975429, now seen corresponding path program 1 times [2021-03-25 05:06:59,756 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:06:59,756 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815372308] [2021-03-25 05:06:59,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:06:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:06:59,828 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:59,829 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:06:59,837 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:59,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:06:59,853 INFO L142 QuantifierPusher]: treesize reduction 29, result has 56.1 percent of original size [2021-03-25 05:06:59,855 INFO L147 QuantifierPusher]: treesize reduction 8, result has 78.4 percent of original size 29 [2021-03-25 05:06:59,876 INFO L142 QuantifierPusher]: treesize reduction 25, result has 72.2 percent of original size [2021-03-25 05:06:59,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 65 [2021-03-25 05:06:59,920 INFO L142 QuantifierPusher]: treesize reduction 53, result has 57.3 percent of original size [2021-03-25 05:06:59,923 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 71 [2021-03-25 05:06:59,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:59,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:06:59,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:06:59,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-25 05:06:59,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:06:59,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815372308] [2021-03-25 05:06:59,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:06:59,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:06:59,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695015436] [2021-03-25 05:06:59,990 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:06:59,990 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:06:59,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:06:59,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:06:59,992 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 182 [2021-03-25 05:06:59,993 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 455 flow. Second operand has 8 states, 8 states have (on average 125.0) internal successors, (1000), 8 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:06:59,993 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:06:59,993 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 182 [2021-03-25 05:06:59,993 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:00,406 INFO L129 PetriNetUnfolder]: 253/528 cut-off events. [2021-03-25 05:07:00,406 INFO L130 PetriNetUnfolder]: For 1891/2064 co-relation queries the response was YES. [2021-03-25 05:07:00,408 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2393 conditions, 528 events. 253/528 cut-off events. For 1891/2064 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2999 event pairs, 79 based on Foata normal form. 25/516 useless extension candidates. Maximal degree in co-relation 2370. Up to 299 conditions per place. [2021-03-25 05:07:00,411 INFO L132 encePairwiseOnDemand]: 171/182 looper letters, 27 selfloop transitions, 20 changer transitions 0/60 dead transitions. [2021-03-25 05:07:00,412 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 60 transitions, 616 flow [2021-03-25 05:07:00,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:07:00,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:07:00,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 776 transitions. [2021-03-25 05:07:00,415 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7106227106227107 [2021-03-25 05:07:00,415 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 776 transitions. [2021-03-25 05:07:00,415 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 776 transitions. [2021-03-25 05:07:00,415 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:00,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 776 transitions. [2021-03-25 05:07:00,417 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 129.33333333333334) internal successors, (776), 6 states have internal predecessors, (776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:00,418 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:00,419 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 182.0) internal successors, (1274), 7 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:00,419 INFO L185 Difference]: Start difference. First operand has 56 places, 55 transitions, 455 flow. Second operand 6 states and 776 transitions. [2021-03-25 05:07:00,419 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 60 transitions, 616 flow [2021-03-25 05:07:00,422 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 60 transitions, 606 flow, removed 3 selfloop flow, removed 2 redundant places. [2021-03-25 05:07:00,423 INFO L241 Difference]: Finished difference. Result has 58 places, 56 transitions, 543 flow [2021-03-25 05:07:00,424 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=182, PETRI_DIFFERENCE_MINUEND_FLOW=431, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=16, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=543, PETRI_PLACES=58, PETRI_TRANSITIONS=56} [2021-03-25 05:07:00,424 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 9 predicate places. [2021-03-25 05:07:00,424 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:00,424 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 56 transitions, 543 flow [2021-03-25 05:07:00,424 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 56 transitions, 543 flow [2021-03-25 05:07:00,425 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 56 transitions, 543 flow [2021-03-25 05:07:00,476 INFO L129 PetriNetUnfolder]: 183/431 cut-off events. [2021-03-25 05:07:00,476 INFO L130 PetriNetUnfolder]: For 1673/1981 co-relation queries the response was YES. [2021-03-25 05:07:00,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1697 conditions, 431 events. 183/431 cut-off events. For 1673/1981 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2492 event pairs, 55 based on Foata normal form. 15/416 useless extension candidates. Maximal degree in co-relation 1675. Up to 202 conditions per place. [2021-03-25 05:07:00,481 INFO L142 LiptonReduction]: Number of co-enabled transitions 382 [2021-03-25 05:07:01,461 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 178 [2021-03-25 05:07:02,331 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 175 [2021-03-25 05:07:04,293 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:07:05,189 WARN L205 SmtUtils]: Spent 894.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:07:05,365 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-03-25 05:07:05,767 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 85 [2021-03-25 05:07:05,853 INFO L154 LiptonReduction]: Checked pairs total: 24 [2021-03-25 05:07:05,853 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 05:07:05,853 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5429 [2021-03-25 05:07:05,854 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 56 transitions, 547 flow [2021-03-25 05:07:05,854 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 125.0) internal successors, (1000), 8 states have internal predecessors, (1000), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:05,854 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:05,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:05,855 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 05:07:05,855 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:05,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:05,855 INFO L82 PathProgramCache]: Analyzing trace with hash 664199690, now seen corresponding path program 1 times [2021-03-25 05:07:05,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:05,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503599321] [2021-03-25 05:07:05,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:05,944 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:05,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:05,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:05,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:05,958 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 05:07:05,958 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:07:05,969 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:05,970 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:07:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:05,970 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [503599321] [2021-03-25 05:07:05,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:05,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 05:07:05,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104639572] [2021-03-25 05:07:05,971 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 05:07:05,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:05,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 05:07:05,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 05:07:05,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2021-03-25 05:07:05,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 56 transitions, 547 flow. Second operand has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:05,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:05,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2021-03-25 05:07:05,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:06,082 INFO L129 PetriNetUnfolder]: 108/317 cut-off events. [2021-03-25 05:07:06,083 INFO L130 PetriNetUnfolder]: For 1041/1273 co-relation queries the response was YES. [2021-03-25 05:07:06,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1383 conditions, 317 events. 108/317 cut-off events. For 1041/1273 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1880 event pairs, 11 based on Foata normal form. 84/388 useless extension candidates. Maximal degree in co-relation 1359. Up to 166 conditions per place. [2021-03-25 05:07:06,086 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 5 selfloop transitions, 11 changer transitions 3/66 dead transitions. [2021-03-25 05:07:06,086 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 66 transitions, 643 flow [2021-03-25 05:07:06,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 05:07:06,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 05:07:06,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 963 transitions. [2021-03-25 05:07:06,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8722826086956522 [2021-03-25 05:07:06,090 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 963 transitions. [2021-03-25 05:07:06,090 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 963 transitions. [2021-03-25 05:07:06,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:06,090 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 963 transitions. [2021-03-25 05:07:06,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 160.5) internal successors, (963), 6 states have internal predecessors, (963), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,094 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,094 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 184.0) internal successors, (1288), 7 states have internal predecessors, (1288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,094 INFO L185 Difference]: Start difference. First operand has 58 places, 56 transitions, 547 flow. Second operand 6 states and 963 transitions. [2021-03-25 05:07:06,094 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 66 transitions, 643 flow [2021-03-25 05:07:06,098 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 66 transitions, 612 flow, removed 4 selfloop flow, removed 3 redundant places. [2021-03-25 05:07:06,099 INFO L241 Difference]: Finished difference. Result has 63 places, 63 transitions, 604 flow [2021-03-25 05:07:06,099 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=516, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=604, PETRI_PLACES=63, PETRI_TRANSITIONS=63} [2021-03-25 05:07:06,099 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 14 predicate places. [2021-03-25 05:07:06,100 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:06,100 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 63 transitions, 604 flow [2021-03-25 05:07:06,100 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 63 transitions, 604 flow [2021-03-25 05:07:06,100 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 63 transitions, 604 flow [2021-03-25 05:07:06,137 INFO L129 PetriNetUnfolder]: 101/298 cut-off events. [2021-03-25 05:07:06,137 INFO L130 PetriNetUnfolder]: For 1276/1452 co-relation queries the response was YES. [2021-03-25 05:07:06,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1398 conditions, 298 events. 101/298 cut-off events. For 1276/1452 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1733 event pairs, 10 based on Foata normal form. 7/292 useless extension candidates. Maximal degree in co-relation 1373. Up to 149 conditions per place. [2021-03-25 05:07:06,141 INFO L142 LiptonReduction]: Number of co-enabled transitions 448 [2021-03-25 05:07:06,155 INFO L154 LiptonReduction]: Checked pairs total: 22 [2021-03-25 05:07:06,155 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:07:06,155 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 55 [2021-03-25 05:07:06,155 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 62 transitions, 596 flow [2021-03-25 05:07:06,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 157.8) internal successors, (789), 5 states have internal predecessors, (789), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,156 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:06,156 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:06,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 05:07:06,156 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:06,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:06,157 INFO L82 PathProgramCache]: Analyzing trace with hash 542499432, now seen corresponding path program 1 times [2021-03-25 05:07:06,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:06,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780185725] [2021-03-25 05:07:06,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:06,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:06,226 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:06,230 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:06,234 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:06,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:06,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:06,249 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 05:07:06,250 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 05:07:06,261 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:06,262 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 05:07:06,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:06,263 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780185725] [2021-03-25 05:07:06,263 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:06,263 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:06,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1237743615] [2021-03-25 05:07:06,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 05:07:06,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:06,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 05:07:06,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 05:07:06,265 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 157 out of 184 [2021-03-25 05:07:06,266 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 62 transitions, 596 flow. Second operand has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,266 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:06,266 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 157 of 184 [2021-03-25 05:07:06,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:06,376 INFO L129 PetriNetUnfolder]: 74/213 cut-off events. [2021-03-25 05:07:06,376 INFO L130 PetriNetUnfolder]: For 988/1130 co-relation queries the response was YES. [2021-03-25 05:07:06,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1069 conditions, 213 events. 74/213 cut-off events. For 988/1130 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1036 event pairs, 6 based on Foata normal form. 50/253 useless extension candidates. Maximal degree in co-relation 1042. Up to 92 conditions per place. [2021-03-25 05:07:06,379 INFO L132 encePairwiseOnDemand]: 178/184 looper letters, 2 selfloop transitions, 11 changer transitions 3/63 dead transitions. [2021-03-25 05:07:06,379 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 63 transitions, 628 flow [2021-03-25 05:07:06,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:06,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1117 transitions. [2021-03-25 05:07:06,383 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8672360248447205 [2021-03-25 05:07:06,383 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1117 transitions. [2021-03-25 05:07:06,383 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1117 transitions. [2021-03-25 05:07:06,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:06,384 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1117 transitions. [2021-03-25 05:07:06,386 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 159.57142857142858) internal successors, (1117), 7 states have internal predecessors, (1117), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,388 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,389 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 184.0) internal successors, (1472), 8 states have internal predecessors, (1472), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:06,389 INFO L185 Difference]: Start difference. First operand has 63 places, 62 transitions, 596 flow. Second operand 7 states and 1117 transitions. [2021-03-25 05:07:06,389 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 63 transitions, 628 flow [2021-03-25 05:07:06,392 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 63 transitions, 579 flow, removed 15 selfloop flow, removed 5 redundant places. [2021-03-25 05:07:06,394 INFO L241 Difference]: Finished difference. Result has 65 places, 60 transitions, 559 flow [2021-03-25 05:07:06,394 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=184, PETRI_DIFFERENCE_MINUEND_FLOW=517, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=559, PETRI_PLACES=65, PETRI_TRANSITIONS=60} [2021-03-25 05:07:06,394 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 16 predicate places. [2021-03-25 05:07:06,394 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:06,394 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 60 transitions, 559 flow [2021-03-25 05:07:06,394 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 60 transitions, 559 flow [2021-03-25 05:07:06,395 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 60 transitions, 559 flow [2021-03-25 05:07:06,422 INFO L129 PetriNetUnfolder]: 68/200 cut-off events. [2021-03-25 05:07:06,422 INFO L130 PetriNetUnfolder]: For 802/916 co-relation queries the response was YES. [2021-03-25 05:07:06,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 926 conditions, 200 events. 68/200 cut-off events. For 802/916 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 980 event pairs, 5 based on Foata normal form. 5/194 useless extension candidates. Maximal degree in co-relation 901. Up to 71 conditions per place. [2021-03-25 05:07:06,424 INFO L142 LiptonReduction]: Number of co-enabled transitions 320 [2021-03-25 05:07:06,581 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 05:07:06,731 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-03-25 05:07:07,000 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 05:07:07,217 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-03-25 05:07:08,294 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 218 DAG size of output: 177 [2021-03-25 05:07:08,734 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2021-03-25 05:07:10,750 WARN L205 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 302 DAG size of output: 258 [2021-03-25 05:07:11,725 WARN L205 SmtUtils]: Spent 974.00 ms on a formula simplification that was a NOOP. DAG size: 255 [2021-03-25 05:07:12,755 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 247 DAG size of output: 194 [2021-03-25 05:07:13,169 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-03-25 05:07:15,605 WARN L205 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 348 DAG size of output: 272 [2021-03-25 05:07:16,584 WARN L205 SmtUtils]: Spent 976.00 ms on a formula simplification that was a NOOP. DAG size: 254 [2021-03-25 05:07:16,592 INFO L154 LiptonReduction]: Checked pairs total: 33 [2021-03-25 05:07:16,592 INFO L156 LiptonReduction]: Total number of compositions: 4 [2021-03-25 05:07:16,592 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10198 [2021-03-25 05:07:16,593 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 56 transitions, 543 flow [2021-03-25 05:07:16,593 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 157.83333333333334) internal successors, (947), 6 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:16,593 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:16,593 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:16,593 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 05:07:16,593 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:16,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash -1909925626, now seen corresponding path program 1 times [2021-03-25 05:07:16,594 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:16,594 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788098915] [2021-03-25 05:07:16,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:16,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:16,677 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:07:16,696 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:16,697 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:07:16,724 INFO L142 QuantifierPusher]: treesize reduction 15, result has 87.3 percent of original size [2021-03-25 05:07:16,726 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-03-25 05:07:16,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:16,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:07:16,809 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:16,810 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:07:16,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:16,821 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788098915] [2021-03-25 05:07:16,821 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:16,821 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:16,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [409725490] [2021-03-25 05:07:16,822 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:07:16,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:16,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:07:16,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:07:16,823 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 187 [2021-03-25 05:07:16,824 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 56 transitions, 543 flow. Second operand has 7 states, 7 states have (on average 123.28571428571429) internal successors, (863), 7 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:16,824 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:16,824 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 187 [2021-03-25 05:07:16,824 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:17,294 INFO L129 PetriNetUnfolder]: 112/283 cut-off events. [2021-03-25 05:07:17,295 INFO L130 PetriNetUnfolder]: For 1666/1955 co-relation queries the response was YES. [2021-03-25 05:07:17,296 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1462 conditions, 283 events. 112/283 cut-off events. For 1666/1955 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1513 event pairs, 8 based on Foata normal form. 56/336 useless extension candidates. Maximal degree in co-relation 1435. Up to 113 conditions per place. [2021-03-25 05:07:17,298 INFO L132 encePairwiseOnDemand]: 173/187 looper letters, 28 selfloop transitions, 15 changer transitions 20/77 dead transitions. [2021-03-25 05:07:17,298 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 66 places, 77 transitions, 849 flow [2021-03-25 05:07:17,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:17,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:17,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 895 transitions. [2021-03-25 05:07:17,302 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6837280366692131 [2021-03-25 05:07:17,303 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 895 transitions. [2021-03-25 05:07:17,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 895 transitions. [2021-03-25 05:07:17,303 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:17,303 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 895 transitions. [2021-03-25 05:07:17,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.85714285714286) internal successors, (895), 7 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:17,308 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:17,308 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 187.0) internal successors, (1496), 8 states have internal predecessors, (1496), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:17,308 INFO L185 Difference]: Start difference. First operand has 60 places, 56 transitions, 543 flow. Second operand 7 states and 895 transitions. [2021-03-25 05:07:17,308 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 66 places, 77 transitions, 849 flow [2021-03-25 05:07:17,313 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 77 transitions, 754 flow, removed 35 selfloop flow, removed 8 redundant places. [2021-03-25 05:07:17,315 INFO L241 Difference]: Finished difference. Result has 61 places, 56 transitions, 514 flow [2021-03-25 05:07:17,315 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=187, PETRI_DIFFERENCE_MINUEND_FLOW=464, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=514, PETRI_PLACES=61, PETRI_TRANSITIONS=56} [2021-03-25 05:07:17,315 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 12 predicate places. [2021-03-25 05:07:17,315 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:17,315 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 514 flow [2021-03-25 05:07:17,315 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 514 flow [2021-03-25 05:07:17,317 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 56 transitions, 514 flow [2021-03-25 05:07:17,342 INFO L129 PetriNetUnfolder]: 61/161 cut-off events. [2021-03-25 05:07:17,342 INFO L130 PetriNetUnfolder]: For 663/761 co-relation queries the response was YES. [2021-03-25 05:07:17,343 INFO L84 FinitePrefix]: Finished finitePrefix Result has 689 conditions, 161 events. 61/161 cut-off events. For 663/761 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 704 event pairs, 3 based on Foata normal form. 16/173 useless extension candidates. Maximal degree in co-relation 667. Up to 64 conditions per place. [2021-03-25 05:07:17,344 INFO L142 LiptonReduction]: Number of co-enabled transitions 246 [2021-03-25 05:07:18,765 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 259 DAG size of output: 165 [2021-03-25 05:07:19,148 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 149 [2021-03-25 05:07:21,619 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 365 DAG size of output: 241 [2021-03-25 05:07:22,419 WARN L205 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-03-25 05:07:22,424 INFO L154 LiptonReduction]: Checked pairs total: 4 [2021-03-25 05:07:22,424 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:07:22,425 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5110 [2021-03-25 05:07:22,425 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 56 transitions, 519 flow [2021-03-25 05:07:22,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 123.28571428571429) internal successors, (863), 7 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:22,425 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:22,426 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:22,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-25 05:07:22,426 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:22,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:22,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1340120027, now seen corresponding path program 1 times [2021-03-25 05:07:22,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:22,426 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187185070] [2021-03-25 05:07:22,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:22,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:07:22,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-25 05:07:22,576 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,577 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:07:22,600 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-03-25 05:07:22,602 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-25 05:07:22,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-25 05:07:22,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-25 05:07:22,712 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:22,713 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:07:22,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:22,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187185070] [2021-03-25 05:07:22,730 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:22,730 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-25 05:07:22,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980934852] [2021-03-25 05:07:22,730 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-25 05:07:22,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:22,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-25 05:07:22,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-03-25 05:07:22,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 188 [2021-03-25 05:07:22,733 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 56 transitions, 519 flow. Second operand has 9 states, 9 states have (on average 117.0) internal successors, (1053), 9 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:22,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:22,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 188 [2021-03-25 05:07:22,733 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:23,340 INFO L129 PetriNetUnfolder]: 111/291 cut-off events. [2021-03-25 05:07:23,340 INFO L130 PetriNetUnfolder]: For 1115/1353 co-relation queries the response was YES. [2021-03-25 05:07:23,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1349 conditions, 291 events. 111/291 cut-off events. For 1115/1353 co-relation queries the response was YES. Maximal size of possible extension queue 45. Compared 1562 event pairs, 8 based on Foata normal form. 49/335 useless extension candidates. Maximal degree in co-relation 1325. Up to 117 conditions per place. [2021-03-25 05:07:23,343 INFO L132 encePairwiseOnDemand]: 174/188 looper letters, 26 selfloop transitions, 2 changer transitions 37/79 dead transitions. [2021-03-25 05:07:23,343 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 79 transitions, 869 flow [2021-03-25 05:07:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:23,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 849 transitions. [2021-03-25 05:07:23,347 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6451367781155015 [2021-03-25 05:07:23,347 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 849 transitions. [2021-03-25 05:07:23,347 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 849 transitions. [2021-03-25 05:07:23,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:23,348 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 849 transitions. [2021-03-25 05:07:23,349 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 121.28571428571429) internal successors, (849), 7 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:23,351 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:23,364 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 188.0) internal successors, (1504), 8 states have internal predecessors, (1504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:23,364 INFO L185 Difference]: Start difference. First operand has 59 places, 56 transitions, 519 flow. Second operand 7 states and 849 transitions. [2021-03-25 05:07:23,364 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 79 transitions, 869 flow [2021-03-25 05:07:23,368 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 60 places, 79 transitions, 822 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-25 05:07:23,369 INFO L241 Difference]: Finished difference. Result has 63 places, 42 transitions, 362 flow [2021-03-25 05:07:23,370 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=188, PETRI_DIFFERENCE_MINUEND_FLOW=482, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=54, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=362, PETRI_PLACES=63, PETRI_TRANSITIONS=42} [2021-03-25 05:07:23,370 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 14 predicate places. [2021-03-25 05:07:23,370 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:23,370 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 42 transitions, 362 flow [2021-03-25 05:07:23,370 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 42 transitions, 362 flow [2021-03-25 05:07:23,371 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 42 transitions, 362 flow [2021-03-25 05:07:23,391 INFO L129 PetriNetUnfolder]: 55/148 cut-off events. [2021-03-25 05:07:23,391 INFO L130 PetriNetUnfolder]: For 555/573 co-relation queries the response was YES. [2021-03-25 05:07:23,392 INFO L84 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 148 events. 55/148 cut-off events. For 555/573 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 658 event pairs, 1 based on Foata normal form. 13/157 useless extension candidates. Maximal degree in co-relation 587. Up to 62 conditions per place. [2021-03-25 05:07:23,393 INFO L142 LiptonReduction]: Number of co-enabled transitions 172 [2021-03-25 05:07:23,892 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 63 [2021-03-25 05:07:24,050 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-03-25 05:07:24,937 WARN L205 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 86 [2021-03-25 05:07:25,215 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-03-25 05:07:25,218 INFO L154 LiptonReduction]: Checked pairs total: 2 [2021-03-25 05:07:25,218 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 05:07:25,218 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1848 [2021-03-25 05:07:25,222 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 42 transitions, 372 flow [2021-03-25 05:07:25,223 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 117.0) internal successors, (1053), 9 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,223 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:25,224 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:25,224 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-25 05:07:25,224 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:25,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:25,224 INFO L82 PathProgramCache]: Analyzing trace with hash 1786876391, now seen corresponding path program 1 times [2021-03-25 05:07:25,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:25,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552087559] [2021-03-25 05:07:25,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:25,364 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:25,365 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:25,373 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 05:07:25,374 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:07:25,397 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-25 05:07:25,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-25 05:07:25,429 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-25 05:07:25,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:07:25,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:25,473 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:25,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:25,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552087559] [2021-03-25 05:07:25,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:25,486 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:25,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107099843] [2021-03-25 05:07:25,486 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:07:25,486 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:25,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:07:25,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:07:25,487 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-03-25 05:07:25,488 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 42 transitions, 372 flow. Second operand has 7 states, 7 states have (on average 129.42857142857142) internal successors, (906), 7 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,488 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:25,488 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-03-25 05:07:25,488 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:25,914 INFO L129 PetriNetUnfolder]: 79/212 cut-off events. [2021-03-25 05:07:25,915 INFO L130 PetriNetUnfolder]: For 814/839 co-relation queries the response was YES. [2021-03-25 05:07:25,916 INFO L84 FinitePrefix]: Finished finitePrefix Result has 946 conditions, 212 events. 79/212 cut-off events. For 814/839 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 1087 event pairs, 6 based on Foata normal form. 20/228 useless extension candidates. Maximal degree in co-relation 921. Up to 87 conditions per place. [2021-03-25 05:07:25,917 INFO L132 encePairwiseOnDemand]: 177/189 looper letters, 22 selfloop transitions, 13 changer transitions 12/61 dead transitions. [2021-03-25 05:07:25,917 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 61 transitions, 646 flow [2021-03-25 05:07:25,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:25,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:25,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 928 transitions. [2021-03-25 05:07:25,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7014361300075586 [2021-03-25 05:07:25,922 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 928 transitions. [2021-03-25 05:07:25,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 928 transitions. [2021-03-25 05:07:25,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:25,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 928 transitions. [2021-03-25 05:07:25,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.57142857142858) internal successors, (928), 7 states have internal predecessors, (928), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,926 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,926 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,927 INFO L185 Difference]: Start difference. First operand has 55 places, 42 transitions, 372 flow. Second operand 7 states and 928 transitions. [2021-03-25 05:07:25,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 61 transitions, 646 flow [2021-03-25 05:07:25,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 61 transitions, 553 flow, removed 30 selfloop flow, removed 11 redundant places. [2021-03-25 05:07:25,931 INFO L241 Difference]: Finished difference. Result has 53 places, 46 transitions, 395 flow [2021-03-25 05:07:25,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=395, PETRI_PLACES=53, PETRI_TRANSITIONS=46} [2021-03-25 05:07:25,932 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2021-03-25 05:07:25,932 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:25,932 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 46 transitions, 395 flow [2021-03-25 05:07:25,932 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 46 transitions, 395 flow [2021-03-25 05:07:25,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 46 transitions, 395 flow [2021-03-25 05:07:25,955 INFO L129 PetriNetUnfolder]: 61/167 cut-off events. [2021-03-25 05:07:25,955 INFO L130 PetriNetUnfolder]: For 468/496 co-relation queries the response was YES. [2021-03-25 05:07:25,956 INFO L84 FinitePrefix]: Finished finitePrefix Result has 698 conditions, 167 events. 61/167 cut-off events. For 468/496 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 847 event pairs, 5 based on Foata normal form. 9/171 useless extension candidates. Maximal degree in co-relation 678. Up to 70 conditions per place. [2021-03-25 05:07:25,957 INFO L142 LiptonReduction]: Number of co-enabled transitions 178 [2021-03-25 05:07:25,958 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:07:25,958 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:25,959 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27 [2021-03-25 05:07:25,959 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 46 transitions, 395 flow [2021-03-25 05:07:25,959 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 129.42857142857142) internal successors, (906), 7 states have internal predecessors, (906), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:25,959 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:25,959 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:25,960 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-25 05:07:25,960 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:25,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:25,960 INFO L82 PathProgramCache]: Analyzing trace with hash -607522833, now seen corresponding path program 1 times [2021-03-25 05:07:25,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:25,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498195272] [2021-03-25 05:07:25,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:26,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:26,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:26,057 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:26,063 INFO L142 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-03-25 05:07:26,064 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:07:26,085 INFO L142 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-03-25 05:07:26,086 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:07:26,107 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-25 05:07:26,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:07:26,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:26,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:26,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:26,169 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498195272] [2021-03-25 05:07:26,169 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:26,169 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:26,169 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239393669] [2021-03-25 05:07:26,169 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:07:26,169 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:26,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:07:26,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:07:26,171 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-03-25 05:07:26,171 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 46 transitions, 395 flow. Second operand has 7 states, 7 states have (on average 129.28571428571428) internal successors, (905), 7 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:26,171 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:26,172 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-03-25 05:07:26,172 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:26,647 INFO L129 PetriNetUnfolder]: 76/211 cut-off events. [2021-03-25 05:07:26,647 INFO L130 PetriNetUnfolder]: For 603/625 co-relation queries the response was YES. [2021-03-25 05:07:26,648 INFO L84 FinitePrefix]: Finished finitePrefix Result has 951 conditions, 211 events. 76/211 cut-off events. For 603/625 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1109 event pairs, 8 based on Foata normal form. 18/225 useless extension candidates. Maximal degree in co-relation 929. Up to 79 conditions per place. [2021-03-25 05:07:26,649 INFO L132 encePairwiseOnDemand]: 177/189 looper letters, 21 selfloop transitions, 8 changer transitions 14/57 dead transitions. [2021-03-25 05:07:26,649 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 57 transitions, 586 flow [2021-03-25 05:07:26,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:26,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:26,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 926 transitions. [2021-03-25 05:07:26,654 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6999244142101285 [2021-03-25 05:07:26,654 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 926 transitions. [2021-03-25 05:07:26,654 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 926 transitions. [2021-03-25 05:07:26,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:26,655 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 926 transitions. [2021-03-25 05:07:26,657 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 132.28571428571428) internal successors, (926), 7 states have internal predecessors, (926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:26,658 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:26,659 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:26,659 INFO L185 Difference]: Start difference. First operand has 51 places, 46 transitions, 395 flow. Second operand 7 states and 926 transitions. [2021-03-25 05:07:26,659 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 57 transitions, 586 flow [2021-03-25 05:07:26,662 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 57 transitions, 547 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 05:07:26,664 INFO L241 Difference]: Finished difference. Result has 54 places, 41 transitions, 338 flow [2021-03-25 05:07:26,664 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=366, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=338, PETRI_PLACES=54, PETRI_TRANSITIONS=41} [2021-03-25 05:07:26,664 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2021-03-25 05:07:26,664 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:26,665 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 41 transitions, 338 flow [2021-03-25 05:07:26,665 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 41 transitions, 338 flow [2021-03-25 05:07:26,665 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 338 flow [2021-03-25 05:07:26,684 INFO L129 PetriNetUnfolder]: 53/145 cut-off events. [2021-03-25 05:07:26,684 INFO L130 PetriNetUnfolder]: For 385/412 co-relation queries the response was YES. [2021-03-25 05:07:26,685 INFO L84 FinitePrefix]: Finished finitePrefix Result has 575 conditions, 145 events. 53/145 cut-off events. For 385/412 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 673 event pairs, 6 based on Foata normal form. 8/148 useless extension candidates. Maximal degree in co-relation 555. Up to 58 conditions per place. [2021-03-25 05:07:26,686 INFO L142 LiptonReduction]: Number of co-enabled transitions 150 [2021-03-25 05:07:26,687 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:07:26,687 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:26,687 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 23 [2021-03-25 05:07:26,688 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 338 flow [2021-03-25 05:07:26,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 129.28571428571428) internal successors, (905), 7 states have internal predecessors, (905), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:26,688 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:26,688 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:26,689 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-25 05:07:26,689 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:26,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:26,689 INFO L82 PathProgramCache]: Analyzing trace with hash -739815750, now seen corresponding path program 1 times [2021-03-25 05:07:26,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:26,689 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515698050] [2021-03-25 05:07:26,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:26,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:26,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:07:26,810 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:26,812 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:07:26,837 INFO L142 QuantifierPusher]: treesize reduction 10, result has 68.8 percent of original size [2021-03-25 05:07:26,839 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:07:26,872 INFO L142 QuantifierPusher]: treesize reduction 81, result has 62.8 percent of original size [2021-03-25 05:07:26,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 137 [2021-03-25 05:07:26,976 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:26,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 05:07:27,001 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:27,003 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 05:07:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:27,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515698050] [2021-03-25 05:07:27,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:27,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:07:27,017 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696543214] [2021-03-25 05:07:27,017 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:07:27,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:27,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:07:27,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:07:27,019 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 118 out of 189 [2021-03-25 05:07:27,019 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 338 flow. Second operand has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,019 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:27,020 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 118 of 189 [2021-03-25 05:07:27,020 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:27,519 INFO L129 PetriNetUnfolder]: 73/197 cut-off events. [2021-03-25 05:07:27,519 INFO L130 PetriNetUnfolder]: For 601/631 co-relation queries the response was YES. [2021-03-25 05:07:27,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 872 conditions, 197 events. 73/197 cut-off events. For 601/631 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 975 event pairs, 3 based on Foata normal form. 22/216 useless extension candidates. Maximal degree in co-relation 850. Up to 82 conditions per place. [2021-03-25 05:07:27,521 INFO L132 encePairwiseOnDemand]: 180/189 looper letters, 21 selfloop transitions, 8 changer transitions 21/64 dead transitions. [2021-03-25 05:07:27,521 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 64 transitions, 617 flow [2021-03-25 05:07:27,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:27,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 859 transitions. [2021-03-25 05:07:27,527 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6492819349962207 [2021-03-25 05:07:27,527 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 859 transitions. [2021-03-25 05:07:27,527 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 859 transitions. [2021-03-25 05:07:27,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:27,528 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 859 transitions. [2021-03-25 05:07:27,531 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 122.71428571428571) internal successors, (859), 7 states have internal predecessors, (859), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,533 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,533 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,533 INFO L185 Difference]: Start difference. First operand has 52 places, 41 transitions, 338 flow. Second operand 7 states and 859 transitions. [2021-03-25 05:07:27,533 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 64 transitions, 617 flow [2021-03-25 05:07:27,536 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 64 transitions, 595 flow, removed 3 selfloop flow, removed 5 redundant places. [2021-03-25 05:07:27,537 INFO L241 Difference]: Finished difference. Result has 54 places, 36 transitions, 275 flow [2021-03-25 05:07:27,537 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=316, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=275, PETRI_PLACES=54, PETRI_TRANSITIONS=36} [2021-03-25 05:07:27,537 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2021-03-25 05:07:27,537 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:27,537 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 36 transitions, 275 flow [2021-03-25 05:07:27,537 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 36 transitions, 275 flow [2021-03-25 05:07:27,538 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 36 transitions, 275 flow [2021-03-25 05:07:27,552 INFO L129 PetriNetUnfolder]: 38/112 cut-off events. [2021-03-25 05:07:27,553 INFO L130 PetriNetUnfolder]: For 309/319 co-relation queries the response was YES. [2021-03-25 05:07:27,553 INFO L84 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 112 events. 38/112 cut-off events. For 309/319 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 446 event pairs, 4 based on Foata normal form. 8/116 useless extension candidates. Maximal degree in co-relation 414. Up to 39 conditions per place. [2021-03-25 05:07:27,554 INFO L142 LiptonReduction]: Number of co-enabled transitions 136 [2021-03-25 05:07:27,555 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:07:27,555 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:27,555 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 05:07:27,556 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 36 transitions, 275 flow [2021-03-25 05:07:27,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 119.125) internal successors, (953), 8 states have internal predecessors, (953), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,557 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:27,557 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:27,557 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-25 05:07:27,557 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:27,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:27,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1869535634, now seen corresponding path program 1 times [2021-03-25 05:07:27,558 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:27,558 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1794200491] [2021-03-25 05:07:27,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:27,637 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:27,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:27,645 INFO L142 QuantifierPusher]: treesize reduction 4, result has 87.9 percent of original size [2021-03-25 05:07:27,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-03-25 05:07:27,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:27,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:07:27,714 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-03-25 05:07:27,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-03-25 05:07:27,757 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:27,758 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 05:07:27,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:27,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1794200491] [2021-03-25 05:07:27,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:27,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:27,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268110519] [2021-03-25 05:07:27,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:07:27,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:27,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:07:27,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:07:27,772 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 189 [2021-03-25 05:07:27,773 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 36 transitions, 275 flow. Second operand has 7 states, 7 states have (on average 125.42857142857143) internal successors, (878), 7 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:27,773 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:27,773 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 189 [2021-03-25 05:07:27,773 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:28,054 INFO L129 PetriNetUnfolder]: 44/127 cut-off events. [2021-03-25 05:07:28,055 INFO L130 PetriNetUnfolder]: For 469/501 co-relation queries the response was YES. [2021-03-25 05:07:28,055 INFO L84 FinitePrefix]: Finished finitePrefix Result has 543 conditions, 127 events. 44/127 cut-off events. For 469/501 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 508 event pairs, 8 based on Foata normal form. 22/146 useless extension candidates. Maximal degree in co-relation 521. Up to 46 conditions per place. [2021-03-25 05:07:28,056 INFO L132 encePairwiseOnDemand]: 181/189 looper letters, 12 selfloop transitions, 3 changer transitions 16/45 dead transitions. [2021-03-25 05:07:28,056 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 45 transitions, 405 flow [2021-03-25 05:07:28,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 05:07:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 05:07:28,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 891 transitions. [2021-03-25 05:07:28,061 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.673469387755102 [2021-03-25 05:07:28,061 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 891 transitions. [2021-03-25 05:07:28,061 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 891 transitions. [2021-03-25 05:07:28,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:28,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 891 transitions. [2021-03-25 05:07:28,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 127.28571428571429) internal successors, (891), 7 states have internal predecessors, (891), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,065 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,065 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 189.0) internal successors, (1512), 8 states have internal predecessors, (1512), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,065 INFO L185 Difference]: Start difference. First operand has 52 places, 36 transitions, 275 flow. Second operand 7 states and 891 transitions. [2021-03-25 05:07:28,065 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 45 transitions, 405 flow [2021-03-25 05:07:28,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 45 transitions, 379 flow, removed 5 selfloop flow, removed 6 redundant places. [2021-03-25 05:07:28,068 INFO L241 Difference]: Finished difference. Result has 54 places, 29 transitions, 192 flow [2021-03-25 05:07:28,068 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=249, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=192, PETRI_PLACES=54, PETRI_TRANSITIONS=29} [2021-03-25 05:07:28,068 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 5 predicate places. [2021-03-25 05:07:28,068 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:28,069 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 29 transitions, 192 flow [2021-03-25 05:07:28,069 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 29 transitions, 192 flow [2021-03-25 05:07:28,069 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 29 transitions, 192 flow [2021-03-25 05:07:28,080 INFO L129 PetriNetUnfolder]: 27/78 cut-off events. [2021-03-25 05:07:28,080 INFO L130 PetriNetUnfolder]: For 170/180 co-relation queries the response was YES. [2021-03-25 05:07:28,080 INFO L84 FinitePrefix]: Finished finitePrefix Result has 293 conditions, 78 events. 27/78 cut-off events. For 170/180 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 246 event pairs, 10 based on Foata normal form. 7/83 useless extension candidates. Maximal degree in co-relation 274. Up to 30 conditions per place. [2021-03-25 05:07:28,081 INFO L142 LiptonReduction]: Number of co-enabled transitions 72 [2021-03-25 05:07:28,082 INFO L154 LiptonReduction]: Checked pairs total: 5 [2021-03-25 05:07:28,082 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:28,082 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14 [2021-03-25 05:07:28,082 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 29 transitions, 192 flow [2021-03-25 05:07:28,083 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 125.42857142857143) internal successors, (878), 7 states have internal predecessors, (878), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,083 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:28,083 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:28,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-25 05:07:28,083 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:28,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:28,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1236805086, now seen corresponding path program 1 times [2021-03-25 05:07:28,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:28,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111679763] [2021-03-25 05:07:28,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:28,167 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,168 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 05:07:28,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-25 05:07:28,195 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,197 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:07:28,221 INFO L142 QuantifierPusher]: treesize reduction 21, result has 72.4 percent of original size [2021-03-25 05:07:28,222 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-03-25 05:07:28,240 INFO L142 QuantifierPusher]: treesize reduction 20, result has 71.0 percent of original size [2021-03-25 05:07:28,242 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-03-25 05:07:28,317 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:07:28,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:28,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111679763] [2021-03-25 05:07:28,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:28,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 05:07:28,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803341052] [2021-03-25 05:07:28,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 05:07:28,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:28,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 05:07:28,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 05:07:28,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 132 out of 189 [2021-03-25 05:07:28,342 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 29 transitions, 192 flow. Second operand has 7 states, 7 states have (on average 133.42857142857142) internal successors, (934), 7 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,343 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:28,343 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 132 of 189 [2021-03-25 05:07:28,343 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:28,539 INFO L129 PetriNetUnfolder]: 40/116 cut-off events. [2021-03-25 05:07:28,539 INFO L130 PetriNetUnfolder]: For 359/384 co-relation queries the response was YES. [2021-03-25 05:07:28,540 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 116 events. 40/116 cut-off events. For 359/384 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 441 event pairs, 1 based on Foata normal form. 18/133 useless extension candidates. Maximal degree in co-relation 467. Up to 46 conditions per place. [2021-03-25 05:07:28,541 INFO L132 encePairwiseOnDemand]: 184/189 looper letters, 15 selfloop transitions, 7 changer transitions 0/36 dead transitions. [2021-03-25 05:07:28,541 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 36 transitions, 290 flow [2021-03-25 05:07:28,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:07:28,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:07:28,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 544 transitions. [2021-03-25 05:07:28,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7195767195767195 [2021-03-25 05:07:28,545 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 544 transitions. [2021-03-25 05:07:28,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 544 transitions. [2021-03-25 05:07:28,545 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:28,545 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 544 transitions. [2021-03-25 05:07:28,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 136.0) internal successors, (544), 4 states have internal predecessors, (544), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,547 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,547 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,547 INFO L185 Difference]: Start difference. First operand has 48 places, 29 transitions, 192 flow. Second operand 4 states and 544 transitions. [2021-03-25 05:07:28,547 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 36 transitions, 290 flow [2021-03-25 05:07:28,549 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 36 transitions, 259 flow, removed 9 selfloop flow, removed 8 redundant places. [2021-03-25 05:07:28,549 INFO L241 Difference]: Finished difference. Result has 44 places, 33 transitions, 223 flow [2021-03-25 05:07:28,549 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=169, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=223, PETRI_PLACES=44, PETRI_TRANSITIONS=33} [2021-03-25 05:07:28,550 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -5 predicate places. [2021-03-25 05:07:28,550 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:28,550 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 33 transitions, 223 flow [2021-03-25 05:07:28,550 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 33 transitions, 223 flow [2021-03-25 05:07:28,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 33 transitions, 223 flow [2021-03-25 05:07:28,567 INFO L129 PetriNetUnfolder]: 39/111 cut-off events. [2021-03-25 05:07:28,567 INFO L130 PetriNetUnfolder]: For 191/204 co-relation queries the response was YES. [2021-03-25 05:07:28,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 419 conditions, 111 events. 39/111 cut-off events. For 191/204 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 436 event pairs, 6 based on Foata normal form. 9/119 useless extension candidates. Maximal degree in co-relation 402. Up to 42 conditions per place. [2021-03-25 05:07:28,568 INFO L142 LiptonReduction]: Number of co-enabled transitions 88 [2021-03-25 05:07:28,569 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:07:28,569 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:28,570 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-03-25 05:07:28,570 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 223 flow [2021-03-25 05:07:28,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 133.42857142857142) internal successors, (934), 7 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,570 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:28,570 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:28,570 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-25 05:07:28,571 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:28,571 INFO L82 PathProgramCache]: Analyzing trace with hash 1830346704, now seen corresponding path program 2 times [2021-03-25 05:07:28,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:28,571 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581050329] [2021-03-25 05:07:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 05:07:28,673 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,674 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:07:28,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:07:28,714 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-25 05:07:28,716 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 05:07:28,750 INFO L142 QuantifierPusher]: treesize reduction 29, result has 62.8 percent of original size [2021-03-25 05:07:28,752 INFO L147 QuantifierPusher]: treesize reduction 8, result has 83.7 percent of original size 41 [2021-03-25 05:07:28,764 INFO L142 QuantifierPusher]: treesize reduction 17, result has 76.4 percent of original size [2021-03-25 05:07:28,767 INFO L147 QuantifierPusher]: treesize reduction 9, result has 83.6 percent of original size 46 [2021-03-25 05:07:28,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-25 05:07:28,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 05:07:28,877 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 05:07:28,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 05:07:28,899 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1581050329] [2021-03-25 05:07:28,899 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 05:07:28,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 05:07:28,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039470569] [2021-03-25 05:07:28,899 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 05:07:28,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 05:07:28,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 05:07:28,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-03-25 05:07:28,901 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 128 out of 189 [2021-03-25 05:07:28,902 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 223 flow. Second operand has 8 states, 8 states have (on average 129.25) internal successors, (1034), 8 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:28,902 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 05:07:28,902 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 128 of 189 [2021-03-25 05:07:28,902 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 05:07:29,130 INFO L129 PetriNetUnfolder]: 45/133 cut-off events. [2021-03-25 05:07:29,130 INFO L130 PetriNetUnfolder]: For 250/267 co-relation queries the response was YES. [2021-03-25 05:07:29,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 553 conditions, 133 events. 45/133 cut-off events. For 250/267 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 582 event pairs, 9 based on Foata normal form. 11/142 useless extension candidates. Maximal degree in co-relation 534. Up to 44 conditions per place. [2021-03-25 05:07:29,132 INFO L132 encePairwiseOnDemand]: 185/189 looper letters, 15 selfloop transitions, 6 changer transitions 2/37 dead transitions. [2021-03-25 05:07:29,132 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 37 transitions, 301 flow [2021-03-25 05:07:29,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 05:07:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 05:07:29,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 528 transitions. [2021-03-25 05:07:29,135 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6984126984126984 [2021-03-25 05:07:29,135 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 528 transitions. [2021-03-25 05:07:29,135 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 528 transitions. [2021-03-25 05:07:29,135 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 05:07:29,135 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 528 transitions. [2021-03-25 05:07:29,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 132.0) internal successors, (528), 4 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:29,137 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:29,137 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:29,137 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 223 flow. Second operand 4 states and 528 transitions. [2021-03-25 05:07:29,137 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 37 transitions, 301 flow [2021-03-25 05:07:29,139 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 37 transitions, 293 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 05:07:29,139 INFO L241 Difference]: Finished difference. Result has 46 places, 31 transitions, 220 flow [2021-03-25 05:07:29,140 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=189, PETRI_DIFFERENCE_MINUEND_FLOW=215, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=220, PETRI_PLACES=46, PETRI_TRANSITIONS=31} [2021-03-25 05:07:29,140 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-25 05:07:29,140 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 05:07:29,140 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 31 transitions, 220 flow [2021-03-25 05:07:29,140 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 31 transitions, 220 flow [2021-03-25 05:07:29,140 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 31 transitions, 220 flow [2021-03-25 05:07:29,151 INFO L129 PetriNetUnfolder]: 29/85 cut-off events. [2021-03-25 05:07:29,151 INFO L130 PetriNetUnfolder]: For 222/229 co-relation queries the response was YES. [2021-03-25 05:07:29,152 INFO L84 FinitePrefix]: Finished finitePrefix Result has 346 conditions, 85 events. 29/85 cut-off events. For 222/229 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 300 event pairs, 8 based on Foata normal form. 6/91 useless extension candidates. Maximal degree in co-relation 328. Up to 33 conditions per place. [2021-03-25 05:07:29,152 INFO L142 LiptonReduction]: Number of co-enabled transitions 70 [2021-03-25 05:07:29,153 INFO L154 LiptonReduction]: Checked pairs total: 0 [2021-03-25 05:07:29,153 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 05:07:29,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-03-25 05:07:29,153 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 31 transitions, 220 flow [2021-03-25 05:07:29,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 129.25) internal successors, (1034), 8 states have internal predecessors, (1034), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 05:07:29,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 05:07:29,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 05:07:29,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-03-25 05:07:29,154 INFO L428 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 05:07:29,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 05:07:29,154 INFO L82 PathProgramCache]: Analyzing trace with hash 706141884, now seen corresponding path program 3 times [2021-03-25 05:07:29,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 05:07:29,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341170678] [2021-03-25 05:07:29,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 05:07:29,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 05:07:29,214 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 05:07:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 05:07:29,280 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 05:07:29,332 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 05:07:29,333 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 05:07:29,333 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-03-25 05:07:29,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 05:07:29 BasicIcfg [2021-03-25 05:07:29,448 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 05:07:29,449 INFO L168 Benchmark]: Toolchain (without parser) took 70595.25 ms. Allocated memory was 255.9 MB in the beginning and 809.5 MB in the end (delta: 553.6 MB). Free memory was 234.9 MB in the beginning and 408.2 MB in the end (delta: -173.3 MB). Peak memory consumption was 380.6 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,449 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 05:07:29,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.37 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.9 MB in the beginning and 312.9 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,450 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 356.5 MB. Free memory was 312.9 MB in the beginning and 309.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,450 INFO L168 Benchmark]: Boogie Preprocessor took 65.99 ms. Allocated memory is still 356.5 MB. Free memory was 309.9 MB in the beginning and 306.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,450 INFO L168 Benchmark]: RCFGBuilder took 3271.10 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 306.6 MB in the beginning and 303.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 110.7 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,450 INFO L168 Benchmark]: TraceAbstraction took 66541.12 ms. Allocated memory was 427.8 MB in the beginning and 809.5 MB in the end (delta: 381.7 MB). Free memory was 303.2 MB in the beginning and 408.2 MB in the end (delta: -105.0 MB). Peak memory consumption was 277.7 MB. Max. memory is 16.0 GB. [2021-03-25 05:07:29,451 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 255.9 MB. Free memory is still 237.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 629.37 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.9 MB in the beginning and 312.9 MB in the end (delta: -78.0 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.51 ms. Allocated memory is still 356.5 MB. Free memory was 312.9 MB in the beginning and 309.9 MB in the end (delta: 3.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 65.99 ms. Allocated memory is still 356.5 MB. Free memory was 309.9 MB in the beginning and 306.6 MB in the end (delta: 3.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3271.10 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 306.6 MB in the beginning and 303.2 MB in the end (delta: 3.4 MB). Peak memory consumption was 110.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 66541.12 ms. Allocated memory was 427.8 MB in the beginning and 809.5 MB in the end (delta: 381.7 MB). Free memory was 303.2 MB in the beginning and 408.2 MB in the end (delta: -105.0 MB). Peak memory consumption was 277.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5234.6ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1327, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1327, positive: 486, positive conditional: 0, positive unconditional: 486, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5441.1ms, 46 PlacesBefore, 36 PlacesAfterwards, 37 TransitionsBefore, 27 TransitionsAfterwards, 402 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 11 TotalNumberOfCompositions, 1585 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 277, positive: 184, positive conditional: 0, positive unconditional: 184, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 52, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 277, positive: 137, positive conditional: 0, positive unconditional: 137, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 52, unknown conditional: 0, unknown unconditional: 52] , Statistics on independence cache: Total cache size (in pairs): 77, Positive cache size: 61, Positive conditional cache size: 0, Positive unconditional cache size: 61, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1067.9ms, 39 PlacesBefore, 32 PlacesAfterwards, 24 TransitionsBefore, 22 TransitionsAfterwards, 240 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 888 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 149, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 149, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 80, Positive cache size: 64, Positive conditional cache size: 0, Positive unconditional cache size: 64, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.5ms, 33 PlacesBefore, 33 PlacesAfterwards, 22 TransitionsBefore, 22 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 284 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 58, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 83, Positive cache size: 67, Positive conditional cache size: 0, Positive unconditional cache size: 67, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.8ms, 36 PlacesBefore, 35 PlacesAfterwards, 22 TransitionsBefore, 21 TransitionsAfterwards, 218 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 458 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 38, positive conditional: 0, positive unconditional: 38, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 48, Positive conditional cache size: 0, Positive unconditional cache size: 48, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 25.7ms, 39 PlacesBefore, 39 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 123 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 30, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 5, unknown conditional: 0, unknown unconditional: 5] , Statistics on independence cache: Total cache size (in pairs): 67, Positive cache size: 51, Positive conditional cache size: 0, Positive unconditional cache size: 51, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5508.7ms, 46 PlacesBefore, 46 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 318 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 122, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 122, positive: 93, positive conditional: 0, positive unconditional: 93, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5912.6ms, 52 PlacesBefore, 52 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 324 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 275 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 117, positive: 101, positive conditional: 0, positive unconditional: 101, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 117, positive: 99, positive conditional: 0, positive unconditional: 99, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 79, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 44.9ms, 52 PlacesBefore, 52 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 214 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 78, positive conditional: 0, positive unconditional: 78, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 90, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3429.5ms, 56 PlacesBefore, 56 PlacesAfterwards, 55 TransitionsBefore, 55 TransitionsAfterwards, 390 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 565 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 220, positive: 188, positive conditional: 0, positive unconditional: 188, negative: 32, negative conditional: 0, negative unconditional: 32, 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: 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] , Cache Queries: [ total: 220, positive: 187, positive conditional: 0, positive unconditional: 187, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 82, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6531.1ms, 56 PlacesBefore, 56 PlacesAfterwards, 56 TransitionsBefore, 55 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 47 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 47, positive conditional: 0, positive unconditional: 47, 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: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 47, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 8, unknown conditional: 0, unknown unconditional: 8] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 57, Positive conditional cache size: 0, Positive unconditional cache size: 57, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5429.1ms, 58 PlacesBefore, 58 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 382 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 24 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 24, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 24, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 62, Positive cache size: 56, Positive conditional cache size: 0, Positive unconditional cache size: 56, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 54.9ms, 63 PlacesBefore, 63 PlacesAfterwards, 63 TransitionsBefore, 62 TransitionsAfterwards, 448 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 22 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 22, positive: 22, positive conditional: 0, positive unconditional: 22, 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: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 11, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 22, positive: 11, positive conditional: 0, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 61, Positive cache size: 55, Positive conditional cache size: 0, Positive unconditional cache size: 55, Negative cache size: 6, Negative conditional cache size: 0, Negative unconditional cache size: 6 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10197.7ms, 65 PlacesBefore, 60 PlacesAfterwards, 60 TransitionsBefore, 56 TransitionsAfterwards, 320 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 4 TotalNumberOfCompositions, 33 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 33, positive conditional: 0, positive unconditional: 33, 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: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 9, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 9, unknown conditional: 0, unknown unconditional: 9] , Statistics on independence cache: Total cache size (in pairs): 41, Positive cache size: 38, Positive conditional cache size: 0, Positive unconditional cache size: 38, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5109.0ms, 61 PlacesBefore, 59 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 246 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: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 4, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 43, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1847.6ms, 63 PlacesBefore, 55 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 172 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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: 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] , Cache Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, 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): 43, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 26.4ms, 53 PlacesBefore, 51 PlacesAfterwards, 46 TransitionsBefore, 46 TransitionsAfterwards, 178 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: 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] , 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): 43, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 22.3ms, 54 PlacesBefore, 52 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 150 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: 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] , 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): 43, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.6ms, 54 PlacesBefore, 52 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 136 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: 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] , 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): 43, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 3, Negative conditional cache size: 0, Negative unconditional cache size: 3 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0ms, 54 PlacesBefore, 48 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 72 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 5 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.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] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.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] , Cache Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 44, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 19.4ms, 44 PlacesBefore, 44 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 88 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: 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] , 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): 44, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 46 PlacesBefore, 46 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 70 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: 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] , 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): 44, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 - 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 t2327; [L855] FCALL, FORK 0 pthread_create(&t2327, ((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 t2328; [L857] FCALL, FORK 0 pthread_create(&t2328, ((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 t2329; [L859] FCALL, FORK 0 pthread_create(&t2329, ((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$w_buff0)) [L821] EXPR 3 !y$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] 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$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L822] EXPR 3 weak$$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] EXPR 3 !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] 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$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L824] EXPR 3 weak$$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] EXPR 3 !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] 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$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L826] EXPR 3 weak$$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=54, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=54, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$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$$choice0=52, weak$$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] [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$r_buff1_thd1 [L799] EXPR 2 y$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$r_buff1_thd2 [L832] EXPR 3 y$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 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 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$w_buff0)) [L877] EXPR 0 !y$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] 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$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L878] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L880] EXPR 0 weak$$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] EXPR 0 !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] 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$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L882] EXPR 0 weak$$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=59, weak$$choice2=0, 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: 2.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 66266.1ms, OverallIterations: 22, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 5708.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5330.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 90 SDtfs, 73 SDslu, 44 SDs, 0 SdLazy, 1106 SolverSat, 363 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2385.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 133 GetRequests, 10 SyntacticMatches, 3 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 2275.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=604occurred in iteration=12, InterpolantAutomatonStates: 117, 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: 80.9ms SsaConstructionTime, 899.6ms SatisfiabilityAnalysisTime, 3020.5ms InterpolantComputationTime, 353 NumberOfCodeBlocks, 353 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 314 ConstructedInterpolants, 0 QuantifiedInterpolants, 2614 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 21 InterpolantComputations, 21 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...