/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:41:23,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:41:23,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:41:23,659 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:41:23,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:41:23,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:41:23,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:41:23,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:41:23,682 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:41:23,683 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:41:23,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:41:23,689 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:41:23,692 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:41:23,694 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:41:23,698 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:41:23,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:41:23,713 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:41:23,736 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:41:23,737 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:41:23,738 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:41:23,740 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:41:23,821 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:41:23,821 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:41:23,826 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:41:23,827 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:41:23,827 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:41:23,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:41:23,828 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:41:23,828 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:41:23,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:41:23,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:41:23,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:41:23,831 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:41:23,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:41:23,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:41:23,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:41:23,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:41:23,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:41:23,833 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:41:23,833 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:41:23,834 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:41:23,834 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:41:23,834 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:41:23,835 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:41:23,835 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:41:23,836 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:41:23,836 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:41:23,836 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:41:23,837 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:41:23,837 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:41:23,837 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:41:23,838 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:41:24,355 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:41:24,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:41:24,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:41:24,408 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:41:24,408 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:41:24,410 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i [2021-04-29 00:41:24,506 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b8d44e/5ff8c77baaf54e5681a813dda1859f8f/FLAGcc36e3737 [2021-04-29 00:41:25,336 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:41:25,337 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe031_rmo.opt.i [2021-04-29 00:41:25,363 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b8d44e/5ff8c77baaf54e5681a813dda1859f8f/FLAGcc36e3737 [2021-04-29 00:41:25,577 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/613b8d44e/5ff8c77baaf54e5681a813dda1859f8f [2021-04-29 00:41:25,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:41:25,637 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:41:25,639 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:41:25,639 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:41:25,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:41:25,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:41:25" (1/1) ... [2021-04-29 00:41:25,647 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1d771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:25, skipping insertion in model container [2021-04-29 00:41:25,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:41:25" (1/1) ... [2021-04-29 00:41:25,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:41:25,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:41:25,981 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/safe031_rmo.opt.i[949,962] [2021-04-29 00:41:26,390 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:41:26,404 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:41:26,418 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/safe031_rmo.opt.i[949,962] [2021-04-29 00:41:26,478 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:41:26,601 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:41:26,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26 WrapperNode [2021-04-29 00:41:26,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:41:26,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:41:26,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:41:26,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:41:26,615 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,635 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:41:26,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:41:26,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:41:26,684 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:41:26,699 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,725 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... [2021-04-29 00:41:26,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:41:26,764 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:41:26,764 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:41:26,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:41:26,769 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:41:26,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:41:26,957 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:41:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:41:26,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:41:26,960 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:41:26,960 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:41:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:41:26,962 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:41:26,962 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:41:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:41:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:41:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:41:26,963 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:41:26,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:41:26,966 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:41:30,029 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:41:30,030 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-29 00:41:30,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:41:30 BoogieIcfgContainer [2021-04-29 00:41:30,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:41:30,035 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:41:30,035 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:41:30,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:41:30,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:41:25" (1/3) ... [2021-04-29 00:41:30,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7a1180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:41:30, skipping insertion in model container [2021-04-29 00:41:30,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:41:26" (2/3) ... [2021-04-29 00:41:30,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7a1180 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:41:30, skipping insertion in model container [2021-04-29 00:41:30,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:41:30" (3/3) ... [2021-04-29 00:41:30,044 INFO L111 eAbstractionObserver]: Analyzing ICFG safe031_rmo.opt.i [2021-04-29 00:41:30,054 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:41:30,061 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-29 00:41:30,062 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:41:30,103 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,104 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,104 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,105 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,105 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,106 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,107 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,107 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,108 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,108 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,108 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,109 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,110 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,111 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,112 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,113 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,114 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,114 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,115 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,115 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,115 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,116 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,116 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,117 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,117 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,117 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,118 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,119 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,120 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,121 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,122 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,125 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,126 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,126 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,128 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,128 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,129 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,129 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,130 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,132 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,133 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,133 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,134 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,134 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,134 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,135 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:41:30,138 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:41:30,160 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-29 00:41:30,190 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:41:30,190 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:41:30,192 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:41:30,192 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:41:30,192 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:41:30,192 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:41:30,193 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:41:30,193 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:41:30,207 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 207 flow [2021-04-29 00:41:30,260 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-29 00:41:30,260 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:41:30,269 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 64 event pairs, 0 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:41:30,269 INFO L82 GeneralOperation]: Start removeDead. Operand has 104 places, 96 transitions, 207 flow [2021-04-29 00:41:30,281 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:30,283 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:41:30,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:30,303 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:30,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 93 transitions, 195 flow [2021-04-29 00:41:30,334 INFO L129 PetriNetUnfolder]: 2/93 cut-off events. [2021-04-29 00:41:30,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:41:30,336 INFO L84 FinitePrefix]: Finished finitePrefix Result has 103 conditions, 93 events. 2/93 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. 0/89 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2021-04-29 00:41:30,339 INFO L146 LiptonReduction]: Number of co-enabled transitions 1578 [2021-04-29 00:41:34,056 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-29 00:41:34,174 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-29 00:41:34,834 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-29 00:41:35,076 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-29 00:41:36,905 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-29 00:41:37,474 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-29 00:41:39,914 WARN L205 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:41:41,011 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:41:41,884 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-29 00:41:44,995 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 230 DAG size of output: 190 [2021-04-29 00:41:45,558 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-04-29 00:41:48,140 WARN L205 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-29 00:41:49,303 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-29 00:41:50,549 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:41:51,233 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:41:53,764 WARN L205 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:41:55,010 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:41:56,340 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 226 DAG size of output: 185 [2021-04-29 00:41:56,935 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification that was a NOOP. DAG size: 183 [2021-04-29 00:41:59,712 WARN L205 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:42:01,018 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:42:05,089 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:42:05,742 WARN L205 SmtUtils]: Spent 651.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:42:08,702 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:42:10,009 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:42:11,475 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:42:12,159 WARN L205 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:42:15,319 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:42:16,829 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:42:18,624 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:42:19,409 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:42:22,983 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:42:24,542 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:42:26,316 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-29 00:42:27,134 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-29 00:42:30,848 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:42:32,500 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:42:33,563 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:42:36,980 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:37,110 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:37,243 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:37,376 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-29 00:42:37,513 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:37,652 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:37,784 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:37,916 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-29 00:42:38,020 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:42:38,424 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:38,546 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:38,669 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:38,789 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-29 00:42:38,903 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:39,011 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:39,118 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:39,227 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:39,348 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:42:39,760 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:42:39,879 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:42:40,000 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:42:40,121 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-29 00:42:40,232 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:42:40,343 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:42:40,544 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-29 00:42:40,658 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:40,768 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:40,961 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-29 00:42:43,926 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-29 00:42:44,832 WARN L205 SmtUtils]: Spent 903.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-29 00:42:48,920 WARN L205 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-29 00:42:50,767 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-29 00:42:52,758 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-29 00:42:54,571 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-29 00:42:58,689 WARN L205 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-29 00:43:00,575 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-29 00:43:02,867 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-29 00:43:03,883 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 184 [2021-04-29 00:43:08,438 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-29 00:43:10,458 WARN L205 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-29 00:43:11,649 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:43:11,772 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:43:11,893 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:43:12,019 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2021-04-29 00:43:12,133 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:43:12,247 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:43:12,356 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:43:12,471 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2021-04-29 00:43:14,795 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:14,985 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:15,193 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:15,389 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-29 00:43:15,638 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:15,869 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:16,121 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:16,381 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-29 00:43:16,583 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:43:16,798 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:43:17,006 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:43:17,211 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-29 00:43:17,432 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:17,670 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:17,906 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:18,138 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:18,340 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:18,550 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:18,758 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:18,958 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:19,185 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:19,403 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:19,625 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:19,849 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:43:20,025 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:20,192 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:20,378 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:20,574 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:20,794 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:20,994 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:21,186 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:21,387 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:21,646 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:43:21,904 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:43:22,169 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:43:22,432 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-29 00:43:22,621 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:43:22,849 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:43:23,055 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:43:23,264 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-29 00:43:23,400 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:43:23,506 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:43:23,717 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2021-04-29 00:43:23,900 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:43:24,080 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:43:24,257 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:43:24,433 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:43:24,547 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:24,661 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:24,771 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:24,883 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:25,075 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:43:25,260 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:43:25,454 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:43:25,649 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-04-29 00:43:25,761 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:25,875 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:25,990 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,102 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,216 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,330 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,442 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,556 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,668 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,782 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:26,894 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:27,003 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-29 00:43:27,390 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:27,579 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:27,761 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:27,944 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:28,195 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:43:28,468 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:43:28,758 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:43:29,020 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-29 00:43:29,338 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:43:29,653 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:43:29,960 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:43:30,272 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-29 00:43:30,577 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:43:30,898 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:43:31,180 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:43:31,468 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-29 00:43:31,725 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:31,971 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:32,212 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:32,441 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-29 00:43:32,750 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:33,037 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:33,339 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:33,635 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-29 00:43:33,850 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:34,058 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:34,281 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:34,482 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:34,827 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:35,138 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:35,467 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:35,812 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:36,123 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:36,469 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:36,810 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:37,117 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-29 00:43:37,461 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:37,806 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:38,121 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:38,434 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:38,673 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:38,900 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:39,123 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:39,319 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-29 00:43:39,648 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:39,985 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:40,289 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:40,598 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:40,812 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:41,003 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:41,175 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:41,351 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-29 00:43:42,297 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:43:42,783 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:43:43,813 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-04-29 00:43:44,267 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-29 00:43:45,222 WARN L205 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:43:45,674 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:43:46,616 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 107 [2021-04-29 00:43:47,072 WARN L205 SmtUtils]: Spent 453.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-04-29 00:43:47,409 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:47,744 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:48,075 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:48,404 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-29 00:43:48,453 INFO L158 LiptonReduction]: Checked pairs total: 15276 [2021-04-29 00:43:48,453 INFO L160 LiptonReduction]: Total number of compositions: 225 [2021-04-29 00:43:48,458 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 138176 [2021-04-29 00:43:48,484 INFO L129 PetriNetUnfolder]: 1/79 cut-off events. [2021-04-29 00:43:48,485 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:48,485 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:48,499 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:48,500 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:48,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:48,507 INFO L82 PathProgramCache]: Analyzing trace with hash -1999319904, now seen corresponding path program 1 times [2021-04-29 00:43:48,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:48,519 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676636811] [2021-04-29 00:43:48,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:48,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:48,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:48,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:48,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:48,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676636811] [2021-04-29 00:43:48,854 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:48,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:43:48,855 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717708882] [2021-04-29 00:43:48,873 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:48,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:48,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:48,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:48,904 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 233 out of 321 [2021-04-29 00:43:48,913 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 127 places, 119 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:48,914 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:48,914 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 233 of 321 [2021-04-29 00:43:48,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:49,477 INFO L129 PetriNetUnfolder]: 114/367 cut-off events. [2021-04-29 00:43:49,477 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:49,480 INFO L84 FinitePrefix]: Finished finitePrefix Result has 604 conditions, 367 events. 114/367 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 73. Compared 2411 event pairs, 48 based on Foata normal form. 6/163 useless extension candidates. Maximal degree in co-relation 536. Up to 167 conditions per place. [2021-04-29 00:43:49,483 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 7 selfloop transitions, 2 changer transitions 90/131 dead transitions. [2021-04-29 00:43:49,483 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 131 transitions, 365 flow [2021-04-29 00:43:49,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:49,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:49,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 749 transitions. [2021-04-29 00:43:49,510 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2021-04-29 00:43:49,511 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 749 transitions. [2021-04-29 00:43:49,512 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 749 transitions. [2021-04-29 00:43:49,515 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:49,518 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 749 transitions. [2021-04-29 00:43:49,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 249.66666666666666) internal successors, (749), 3 states have internal predecessors, (749), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:49,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:49,537 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:49,540 INFO L185 Difference]: Start difference. First operand has 127 places, 119 transitions, 247 flow. Second operand 3 states and 749 transitions. [2021-04-29 00:43:49,541 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 131 transitions, 365 flow [2021-04-29 00:43:49,545 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 123 places, 131 transitions, 362 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:43:49,549 INFO L241 Difference]: Finished difference. Result has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:49,551 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=121, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=86, PETRI_PLACES=123, PETRI_TRANSITIONS=38} [2021-04-29 00:43:49,553 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -4 predicate places. [2021-04-29 00:43:49,553 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:49,553 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:49,554 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 123 places, 38 transitions, 86 flow [2021-04-29 00:43:49,554 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 38 transitions, 86 flow [2021-04-29 00:43:49,561 INFO L129 PetriNetUnfolder]: 0/38 cut-off events. [2021-04-29 00:43:49,561 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:49,561 INFO L84 FinitePrefix]: Finished finitePrefix Result has 48 conditions, 38 events. 0/38 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 129 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-29 00:43:49,562 INFO L146 LiptonReduction]: Number of co-enabled transitions 822 [2021-04-29 00:43:49,850 INFO L158 LiptonReduction]: Checked pairs total: 790 [2021-04-29 00:43:49,850 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:49,850 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 297 [2021-04-29 00:43:49,852 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 86 flow [2021-04-29 00:43:49,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 233.66666666666666) internal successors, (701), 3 states have internal predecessors, (701), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:49,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:49,854 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:49,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:43:49,854 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:49,855 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:49,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1495961509, now seen corresponding path program 1 times [2021-04-29 00:43:49,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:49,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596270143] [2021-04-29 00:43:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:50,120 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:50,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:50,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:50,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596270143] [2021-04-29 00:43:50,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:50,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:43:50,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466255720] [2021-04-29 00:43:50,133 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:50,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:50,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:50,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:50,136 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 321 [2021-04-29 00:43:50,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 86 flow. Second operand has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:50,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 321 [2021-04-29 00:43:50,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:50,165 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 00:43:50,166 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:50,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 52 events. 3/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 166 event pairs, 1 based on Foata normal form. 1/32 useless extension candidates. Maximal degree in co-relation 64. Up to 10 conditions per place. [2021-04-29 00:43:50,167 INFO L132 encePairwiseOnDemand]: 317/321 looper letters, 3 selfloop transitions, 3 changer transitions 0/40 dead transitions. [2021-04-29 00:43:50,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 40 transitions, 102 flow [2021-04-29 00:43:50,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 760 transitions. [2021-04-29 00:43:50,176 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7892004153686397 [2021-04-29 00:43:50,176 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 760 transitions. [2021-04-29 00:43:50,176 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 760 transitions. [2021-04-29 00:43:50,177 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:50,177 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 760 transitions. [2021-04-29 00:43:50,180 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.33333333333334) internal successors, (760), 3 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,184 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,186 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,186 INFO L185 Difference]: Start difference. First operand has 47 places, 38 transitions, 86 flow. Second operand 3 states and 760 transitions. [2021-04-29 00:43:50,186 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 40 transitions, 102 flow [2021-04-29 00:43:50,187 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 40 transitions, 98 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:50,188 INFO L241 Difference]: Finished difference. Result has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:50,189 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=101, PETRI_PLACES=48, PETRI_TRANSITIONS=40} [2021-04-29 00:43:50,189 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -79 predicate places. [2021-04-29 00:43:50,190 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:50,190 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:50,190 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:50,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:50,199 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 00:43:50,199 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:43:50,200 INFO L84 FinitePrefix]: Finished finitePrefix Result has 73 conditions, 52 events. 3/52 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 182 event pairs, 1 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 65. Up to 10 conditions per place. [2021-04-29 00:43:50,201 INFO L146 LiptonReduction]: Number of co-enabled transitions 888 [2021-04-29 00:43:50,239 INFO L158 LiptonReduction]: Checked pairs total: 736 [2021-04-29 00:43:50,240 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:50,240 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 50 [2021-04-29 00:43:50,241 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 40 transitions, 101 flow [2021-04-29 00:43:50,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 251.66666666666666) internal successors, (755), 3 states have internal predecessors, (755), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,243 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:50,243 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:50,243 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:43:50,243 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:50,244 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:50,244 INFO L82 PathProgramCache]: Analyzing trace with hash 764555448, now seen corresponding path program 1 times [2021-04-29 00:43:50,244 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:50,244 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044733935] [2021-04-29 00:43:50,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:50,462 INFO L142 QuantifierPusher]: treesize reduction 16, result has 40.7 percent of original size [2021-04-29 00:43:50,463 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-04-29 00:43:50,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:50,494 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-29 00:43:50,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:50,518 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044733935] [2021-04-29 00:43:50,518 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:50,518 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:43:50,518 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [363086395] [2021-04-29 00:43:50,519 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:43:50,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:50,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:43:50,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:43:50,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 321 [2021-04-29 00:43:50,530 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 40 transitions, 101 flow. Second operand has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:50,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 321 [2021-04-29 00:43:50,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:50,704 INFO L129 PetriNetUnfolder]: 49/142 cut-off events. [2021-04-29 00:43:50,704 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 00:43:50,707 INFO L84 FinitePrefix]: Finished finitePrefix Result has 267 conditions, 142 events. 49/142 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 611 event pairs, 17 based on Foata normal form. 3/107 useless extension candidates. Maximal degree in co-relation 257. Up to 69 conditions per place. [2021-04-29 00:43:50,709 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 8 selfloop transitions, 2 changer transitions 0/43 dead transitions. [2021-04-29 00:43:50,709 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 43 transitions, 127 flow [2021-04-29 00:43:50,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:50,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:50,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 572 transitions. [2021-04-29 00:43:50,717 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5939771547248183 [2021-04-29 00:43:50,717 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 572 transitions. [2021-04-29 00:43:50,717 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 572 transitions. [2021-04-29 00:43:50,718 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:50,718 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 572 transitions. [2021-04-29 00:43:50,721 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.66666666666666) internal successors, (572), 3 states have internal predecessors, (572), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,724 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,725 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,725 INFO L185 Difference]: Start difference. First operand has 48 places, 40 transitions, 101 flow. Second operand 3 states and 572 transitions. [2021-04-29 00:43:50,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 43 transitions, 127 flow [2021-04-29 00:43:50,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 43 transitions, 124 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:43:50,728 INFO L241 Difference]: Finished difference. Result has 50 places, 40 transitions, 106 flow [2021-04-29 00:43:50,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=38, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=50, PETRI_TRANSITIONS=40} [2021-04-29 00:43:50,729 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -77 predicate places. [2021-04-29 00:43:50,729 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:50,729 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 50 places, 40 transitions, 106 flow [2021-04-29 00:43:50,729 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 50 places, 40 transitions, 106 flow [2021-04-29 00:43:50,730 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 50 places, 40 transitions, 106 flow [2021-04-29 00:43:50,738 INFO L129 PetriNetUnfolder]: 3/52 cut-off events. [2021-04-29 00:43:50,738 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 00:43:50,739 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 52 events. 3/52 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 181 event pairs, 1 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 68. Up to 10 conditions per place. [2021-04-29 00:43:50,740 INFO L146 LiptonReduction]: Number of co-enabled transitions 884 [2021-04-29 00:43:50,743 INFO L158 LiptonReduction]: Checked pairs total: 686 [2021-04-29 00:43:50,743 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:50,744 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-04-29 00:43:50,745 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 40 transitions, 106 flow [2021-04-29 00:43:50,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:50,746 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:50,746 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:50,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:43:50,747 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:50,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:50,747 INFO L82 PathProgramCache]: Analyzing trace with hash 1193003339, now seen corresponding path program 1 times [2021-04-29 00:43:50,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:50,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310327241] [2021-04-29 00:43:50,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:50,961 INFO L142 QuantifierPusher]: treesize reduction 40, result has 25.9 percent of original size [2021-04-29 00:43:50,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-04-29 00:43:51,003 INFO L142 QuantifierPusher]: treesize reduction 50, result has 49.0 percent of original size [2021-04-29 00:43:51,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 48 [2021-04-29 00:43:51,074 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.5 percent of original size [2021-04-29 00:43:51,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-04-29 00:43:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:51,153 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310327241] [2021-04-29 00:43:51,153 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:51,154 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:43:51,154 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646263059] [2021-04-29 00:43:51,154 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:43:51,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:51,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:43:51,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:43:51,158 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 182 out of 321 [2021-04-29 00:43:51,160 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 40 transitions, 106 flow. Second operand has 5 states, 5 states have (on average 182.8) internal successors, (914), 5 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,161 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:51,161 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 182 of 321 [2021-04-29 00:43:51,161 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:51,377 INFO L129 PetriNetUnfolder]: 40/153 cut-off events. [2021-04-29 00:43:51,377 INFO L130 PetriNetUnfolder]: For 42/42 co-relation queries the response was YES. [2021-04-29 00:43:51,379 INFO L84 FinitePrefix]: Finished finitePrefix Result has 278 conditions, 153 events. 40/153 cut-off events. For 42/42 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 754 event pairs, 3 based on Foata normal form. 3/105 useless extension candidates. Maximal degree in co-relation 266. Up to 49 conditions per place. [2021-04-29 00:43:51,380 INFO L132 encePairwiseOnDemand]: 316/321 looper letters, 10 selfloop transitions, 4 changer transitions 0/47 dead transitions. [2021-04-29 00:43:51,380 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 47 transitions, 148 flow [2021-04-29 00:43:51,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:43:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:43:51,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 743 transitions. [2021-04-29 00:43:51,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5786604361370716 [2021-04-29 00:43:51,387 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 743 transitions. [2021-04-29 00:43:51,388 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 743 transitions. [2021-04-29 00:43:51,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:51,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 743 transitions. [2021-04-29 00:43:51,391 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 185.75) internal successors, (743), 4 states have internal predecessors, (743), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,394 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,396 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,396 INFO L185 Difference]: Start difference. First operand has 50 places, 40 transitions, 106 flow. Second operand 4 states and 743 transitions. [2021-04-29 00:43:51,396 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 47 transitions, 148 flow [2021-04-29 00:43:51,397 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 47 transitions, 144 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:51,399 INFO L241 Difference]: Finished difference. Result has 52 places, 42 transitions, 123 flow [2021-04-29 00:43:51,399 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=123, PETRI_PLACES=52, PETRI_TRANSITIONS=42} [2021-04-29 00:43:51,399 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -75 predicate places. [2021-04-29 00:43:51,400 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:51,400 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 52 places, 42 transitions, 123 flow [2021-04-29 00:43:51,400 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 52 places, 42 transitions, 123 flow [2021-04-29 00:43:51,401 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 42 transitions, 123 flow [2021-04-29 00:43:51,416 INFO L129 PetriNetUnfolder]: 13/83 cut-off events. [2021-04-29 00:43:51,416 INFO L130 PetriNetUnfolder]: For 25/29 co-relation queries the response was YES. [2021-04-29 00:43:51,417 INFO L84 FinitePrefix]: Finished finitePrefix Result has 150 conditions, 83 events. 13/83 cut-off events. For 25/29 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 337 event pairs, 5 based on Foata normal form. 1/53 useless extension candidates. Maximal degree in co-relation 139. Up to 22 conditions per place. [2021-04-29 00:43:51,419 INFO L146 LiptonReduction]: Number of co-enabled transitions 952 [2021-04-29 00:43:51,614 INFO L158 LiptonReduction]: Checked pairs total: 380 [2021-04-29 00:43:51,614 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:51,614 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-04-29 00:43:51,616 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 42 transitions, 123 flow [2021-04-29 00:43:51,617 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 182.8) internal successors, (914), 5 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,617 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:51,617 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:51,617 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:43:51,617 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:51,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:51,618 INFO L82 PathProgramCache]: Analyzing trace with hash 1000450551, now seen corresponding path program 1 times [2021-04-29 00:43:51,618 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:51,618 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330710492] [2021-04-29 00:43:51,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:51,713 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:51,715 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:51,717 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:51,718 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:51,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:51,728 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330710492] [2021-04-29 00:43:51,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:51,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:43:51,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987551052] [2021-04-29 00:43:51,729 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:43:51,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:51,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:43:51,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:43:51,732 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 251 out of 321 [2021-04-29 00:43:51,734 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 42 transitions, 123 flow. Second operand has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,734 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:51,734 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 251 of 321 [2021-04-29 00:43:51,734 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:51,780 INFO L129 PetriNetUnfolder]: 6/82 cut-off events. [2021-04-29 00:43:51,780 INFO L130 PetriNetUnfolder]: For 75/107 co-relation queries the response was YES. [2021-04-29 00:43:51,781 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 82 events. 6/82 cut-off events. For 75/107 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 360 event pairs, 3 based on Foata normal form. 7/57 useless extension candidates. Maximal degree in co-relation 138. Up to 18 conditions per place. [2021-04-29 00:43:51,782 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 3 changer transitions 1/42 dead transitions. [2021-04-29 00:43:51,782 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 42 transitions, 135 flow [2021-04-29 00:43:51,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:43:51,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:43:51,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 759 transitions. [2021-04-29 00:43:51,790 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7881619937694704 [2021-04-29 00:43:51,790 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 759 transitions. [2021-04-29 00:43:51,790 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 759 transitions. [2021-04-29 00:43:51,791 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:51,791 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 759 transitions. [2021-04-29 00:43:51,794 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,797 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,799 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 321.0) internal successors, (1284), 4 states have internal predecessors, (1284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,799 INFO L185 Difference]: Start difference. First operand has 52 places, 42 transitions, 123 flow. Second operand 3 states and 759 transitions. [2021-04-29 00:43:51,799 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 42 transitions, 135 flow [2021-04-29 00:43:51,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 42 transitions, 130 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:43:51,802 INFO L241 Difference]: Finished difference. Result has 53 places, 41 transitions, 127 flow [2021-04-29 00:43:51,802 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=118, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=53, PETRI_TRANSITIONS=41} [2021-04-29 00:43:51,802 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -74 predicate places. [2021-04-29 00:43:51,803 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:51,803 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 41 transitions, 127 flow [2021-04-29 00:43:51,803 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 41 transitions, 127 flow [2021-04-29 00:43:51,804 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 41 transitions, 127 flow [2021-04-29 00:43:51,818 INFO L129 PetriNetUnfolder]: 6/84 cut-off events. [2021-04-29 00:43:51,819 INFO L130 PetriNetUnfolder]: For 43/55 co-relation queries the response was YES. [2021-04-29 00:43:51,819 INFO L84 FinitePrefix]: Finished finitePrefix Result has 147 conditions, 84 events. 6/84 cut-off events. For 43/55 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 383 event pairs, 3 based on Foata normal form. 1/51 useless extension candidates. Maximal degree in co-relation 136. Up to 18 conditions per place. [2021-04-29 00:43:51,821 INFO L146 LiptonReduction]: Number of co-enabled transitions 902 [2021-04-29 00:43:51,960 INFO L158 LiptonReduction]: Checked pairs total: 367 [2021-04-29 00:43:51,960 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:51,960 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 157 [2021-04-29 00:43:51,962 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 41 transitions, 127 flow [2021-04-29 00:43:51,963 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 252.0) internal successors, (756), 3 states have internal predecessors, (756), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:51,963 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:51,963 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:51,963 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:43:51,963 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:51,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:51,964 INFO L82 PathProgramCache]: Analyzing trace with hash 877739814, now seen corresponding path program 1 times [2021-04-29 00:43:51,964 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:51,964 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589802947] [2021-04-29 00:43:51,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:52,093 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:52,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:52,109 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:52,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:52,138 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:52,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:52,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:52,140 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589802947] [2021-04-29 00:43:52,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:52,141 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:43:52,141 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773271381] [2021-04-29 00:43:52,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:43:52,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:52,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:43:52,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:43:52,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:52,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 41 transitions, 127 flow. Second operand has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:52,146 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:52,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:52,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:53,323 INFO L129 PetriNetUnfolder]: 5011/8120 cut-off events. [2021-04-29 00:43:53,324 INFO L130 PetriNetUnfolder]: For 507/606 co-relation queries the response was YES. [2021-04-29 00:43:53,357 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16455 conditions, 8120 events. 5011/8120 cut-off events. For 507/606 co-relation queries the response was YES. Maximal size of possible extension queue 2112. Compared 69643 event pairs, 2240 based on Foata normal form. 184/2278 useless extension candidates. Maximal degree in co-relation 16442. Up to 5212 conditions per place. [2021-04-29 00:43:53,381 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 25 selfloop transitions, 24 changer transitions 6/76 dead transitions. [2021-04-29 00:43:53,381 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 76 transitions, 307 flow [2021-04-29 00:43:53,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:43:53,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:43:53,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1244 transitions. [2021-04-29 00:43:53,390 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7750778816199377 [2021-04-29 00:43:53,391 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1244 transitions. [2021-04-29 00:43:53,391 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1244 transitions. [2021-04-29 00:43:53,392 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:53,392 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1244 transitions. [2021-04-29 00:43:53,398 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 248.8) internal successors, (1244), 5 states have internal predecessors, (1244), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:53,402 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:53,403 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 321.0) internal successors, (1926), 6 states have internal predecessors, (1926), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:53,403 INFO L185 Difference]: Start difference. First operand has 52 places, 41 transitions, 127 flow. Second operand 5 states and 1244 transitions. [2021-04-29 00:43:53,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 76 transitions, 307 flow [2021-04-29 00:43:53,409 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 76 transitions, 302 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-29 00:43:53,414 INFO L241 Difference]: Finished difference. Result has 58 places, 63 transitions, 305 flow [2021-04-29 00:43:53,414 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=305, PETRI_PLACES=58, PETRI_TRANSITIONS=63} [2021-04-29 00:43:53,415 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -69 predicate places. [2021-04-29 00:43:53,415 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:53,415 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 63 transitions, 305 flow [2021-04-29 00:43:53,415 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 63 transitions, 305 flow [2021-04-29 00:43:53,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 63 transitions, 305 flow [2021-04-29 00:43:54,270 INFO L129 PetriNetUnfolder]: 3958/6692 cut-off events. [2021-04-29 00:43:54,271 INFO L130 PetriNetUnfolder]: For 1788/5201 co-relation queries the response was YES. [2021-04-29 00:43:54,298 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18931 conditions, 6692 events. 3958/6692 cut-off events. For 1788/5201 co-relation queries the response was YES. Maximal size of possible extension queue 1467. Compared 58697 event pairs, 2042 based on Foata normal form. 13/1907 useless extension candidates. Maximal degree in co-relation 18916. Up to 6230 conditions per place. [2021-04-29 00:43:54,376 INFO L146 LiptonReduction]: Number of co-enabled transitions 1200 [2021-04-29 00:43:54,514 INFO L158 LiptonReduction]: Checked pairs total: 599 [2021-04-29 00:43:54,514 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:54,514 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1099 [2021-04-29 00:43:54,516 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 63 transitions, 305 flow [2021-04-29 00:43:54,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 238.75) internal successors, (955), 4 states have internal predecessors, (955), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:54,517 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:54,517 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:54,517 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:43:54,517 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:54,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:54,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1691778018, now seen corresponding path program 1 times [2021-04-29 00:43:54,518 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:54,518 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951912328] [2021-04-29 00:43:54,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:54,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:54,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:54,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:54,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:54,643 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:54,659 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:54,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:54,694 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:54,695 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:54,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:54,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951912328] [2021-04-29 00:43:54,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:54,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:43:54,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244270542] [2021-04-29 00:43:54,697 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:43:54,697 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:54,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:43:54,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:43:54,699 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:54,703 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 63 transitions, 305 flow. Second operand has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:54,703 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:54,703 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:54,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:56,368 INFO L129 PetriNetUnfolder]: 4408/8252 cut-off events. [2021-04-29 00:43:56,368 INFO L130 PetriNetUnfolder]: For 3587/25786 co-relation queries the response was YES. [2021-04-29 00:43:56,403 INFO L84 FinitePrefix]: Finished finitePrefix Result has 31259 conditions, 8252 events. 4408/8252 cut-off events. For 3587/25786 co-relation queries the response was YES. Maximal size of possible extension queue 2313. Compared 82280 event pairs, 443 based on Foata normal form. 235/2787 useless extension candidates. Maximal degree in co-relation 31242. Up to 7496 conditions per place. [2021-04-29 00:43:56,427 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 20 selfloop transitions, 46 changer transitions 12/99 dead transitions. [2021-04-29 00:43:56,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 99 transitions, 656 flow [2021-04-29 00:43:56,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:43:56,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:43:56,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1741 transitions. [2021-04-29 00:43:56,438 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7748108589230085 [2021-04-29 00:43:56,439 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1741 transitions. [2021-04-29 00:43:56,439 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1741 transitions. [2021-04-29 00:43:56,440 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:56,441 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1741 transitions. [2021-04-29 00:43:56,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 248.71428571428572) internal successors, (1741), 7 states have internal predecessors, (1741), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:56,451 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:56,453 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 321.0) internal successors, (2568), 8 states have internal predecessors, (2568), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:56,453 INFO L185 Difference]: Start difference. First operand has 58 places, 63 transitions, 305 flow. Second operand 7 states and 1741 transitions. [2021-04-29 00:43:56,453 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 99 transitions, 656 flow [2021-04-29 00:43:56,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 99 transitions, 656 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-29 00:43:56,472 INFO L241 Difference]: Finished difference. Result has 67 places, 85 transitions, 609 flow [2021-04-29 00:43:56,473 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=305, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=609, PETRI_PLACES=67, PETRI_TRANSITIONS=85} [2021-04-29 00:43:56,473 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -60 predicate places. [2021-04-29 00:43:56,473 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:56,473 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 85 transitions, 609 flow [2021-04-29 00:43:56,474 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 85 transitions, 609 flow [2021-04-29 00:43:56,475 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 85 transitions, 609 flow [2021-04-29 00:43:57,112 INFO L129 PetriNetUnfolder]: 2124/5429 cut-off events. [2021-04-29 00:43:57,112 INFO L130 PetriNetUnfolder]: For 6274/13351 co-relation queries the response was YES. [2021-04-29 00:43:57,145 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23377 conditions, 5429 events. 2124/5429 cut-off events. For 6274/13351 co-relation queries the response was YES. Maximal size of possible extension queue 1519. Compared 64939 event pairs, 441 based on Foata normal form. 14/1718 useless extension candidates. Maximal degree in co-relation 23357. Up to 4889 conditions per place. [2021-04-29 00:43:57,218 INFO L146 LiptonReduction]: Number of co-enabled transitions 1456 [2021-04-29 00:43:57,282 INFO L158 LiptonReduction]: Checked pairs total: 1071 [2021-04-29 00:43:57,282 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:43:57,282 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 809 [2021-04-29 00:43:57,284 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 85 transitions, 609 flow [2021-04-29 00:43:57,285 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 238.8) internal successors, (1194), 5 states have internal predecessors, (1194), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:57,285 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:43:57,285 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:43:57,285 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:43:57,285 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:43:57,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:43:57,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1691297786, now seen corresponding path program 1 times [2021-04-29 00:43:57,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:43:57,286 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202818715] [2021-04-29 00:43:57,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:43:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:43:57,375 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:57,377 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:57,388 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:57,390 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:57,405 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:57,406 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:43:57,424 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-29 00:43:57,426 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:43:57,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:43:57,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:43:57,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:43:57,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202818715] [2021-04-29 00:43:57,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:43:57,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-29 00:43:57,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036340055] [2021-04-29 00:43:57,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:43:57,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:43:57,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:43:57,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:43:57,465 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 238 out of 321 [2021-04-29 00:43:57,466 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 85 transitions, 609 flow. Second operand has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:57,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:43:57,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 238 of 321 [2021-04-29 00:43:57,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:43:58,856 INFO L129 PetriNetUnfolder]: 2086/5759 cut-off events. [2021-04-29 00:43:58,856 INFO L130 PetriNetUnfolder]: For 9092/76223 co-relation queries the response was YES. [2021-04-29 00:43:58,895 INFO L84 FinitePrefix]: Finished finitePrefix Result has 30338 conditions, 5759 events. 2086/5759 cut-off events. For 9092/76223 co-relation queries the response was YES. Maximal size of possible extension queue 1495. Compared 70209 event pairs, 2 based on Foata normal form. 226/1922 useless extension candidates. Maximal degree in co-relation 30316. Up to 5156 conditions per place. [2021-04-29 00:43:58,913 INFO L132 encePairwiseOnDemand]: 304/321 looper letters, 5 selfloop transitions, 61 changer transitions 17/104 dead transitions. [2021-04-29 00:43:58,913 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 104 transitions, 903 flow [2021-04-29 00:43:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-29 00:43:58,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-29 00:43:58,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2220 transitions. [2021-04-29 00:43:58,925 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7684319833852544 [2021-04-29 00:43:58,925 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2220 transitions. [2021-04-29 00:43:58,925 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2220 transitions. [2021-04-29 00:43:58,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:43:58,927 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2220 transitions. [2021-04-29 00:43:58,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 246.66666666666666) internal successors, (2220), 9 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:58,940 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:58,942 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 321.0) internal successors, (3210), 10 states have internal predecessors, (3210), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:43:58,942 INFO L185 Difference]: Start difference. First operand has 67 places, 85 transitions, 609 flow. Second operand 9 states and 2220 transitions. [2021-04-29 00:43:58,942 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 104 transitions, 903 flow [2021-04-29 00:43:59,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 104 transitions, 780 flow, removed 39 selfloop flow, removed 4 redundant places. [2021-04-29 00:43:59,264 INFO L241 Difference]: Finished difference. Result has 74 places, 85 transitions, 653 flow [2021-04-29 00:43:59,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=487, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=60, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=653, PETRI_PLACES=74, PETRI_TRANSITIONS=85} [2021-04-29 00:43:59,265 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -53 predicate places. [2021-04-29 00:43:59,265 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:43:59,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 85 transitions, 653 flow [2021-04-29 00:43:59,266 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 85 transitions, 653 flow [2021-04-29 00:43:59,267 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 72 places, 85 transitions, 653 flow [2021-04-29 00:43:59,588 INFO L129 PetriNetUnfolder]: 775/2783 cut-off events. [2021-04-29 00:43:59,588 INFO L130 PetriNetUnfolder]: For 3988/6045 co-relation queries the response was YES. [2021-04-29 00:43:59,606 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12325 conditions, 2783 events. 775/2783 cut-off events. For 3988/6045 co-relation queries the response was YES. Maximal size of possible extension queue 868. Compared 34736 event pairs, 0 based on Foata normal form. 1/834 useless extension candidates. Maximal degree in co-relation 12303. Up to 1944 conditions per place. [2021-04-29 00:43:59,650 INFO L146 LiptonReduction]: Number of co-enabled transitions 1380 [2021-04-29 00:44:00,013 INFO L158 LiptonReduction]: Checked pairs total: 1014 [2021-04-29 00:44:00,014 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:44:00,014 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 749 [2021-04-29 00:44:00,015 INFO L480 AbstractCegarLoop]: Abstraction has has 72 places, 85 transitions, 653 flow [2021-04-29 00:44:00,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 238.83333333333334) internal successors, (1433), 6 states have internal predecessors, (1433), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:00,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:00,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:00,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-29 00:44:00,016 INFO L428 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:00,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash -1913680820, now seen corresponding path program 1 times [2021-04-29 00:44:00,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:00,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321957053] [2021-04-29 00:44:00,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:44:00,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:00,107 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:44:00,109 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:00,110 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:00,121 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:44:00,122 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:44:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:44:00,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321957053] [2021-04-29 00:44:00,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:44:00,134 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:44:00,134 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896155571] [2021-04-29 00:44:00,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:44:00,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:44:00,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:44:00,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:44:00,137 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 217 out of 321 [2021-04-29 00:44:00,138 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 85 transitions, 653 flow. Second operand has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:00,138 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:44:00,138 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 217 of 321 [2021-04-29 00:44:00,138 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:44:00,870 INFO L129 PetriNetUnfolder]: 1894/5919 cut-off events. [2021-04-29 00:44:00,870 INFO L130 PetriNetUnfolder]: For 9410/29255 co-relation queries the response was YES. [2021-04-29 00:44:00,975 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26186 conditions, 5919 events. 1894/5919 cut-off events. For 9410/29255 co-relation queries the response was YES. Maximal size of possible extension queue 2064. Compared 78040 event pairs, 3 based on Foata normal form. 28/1506 useless extension candidates. Maximal degree in co-relation 26162. Up to 4275 conditions per place. [2021-04-29 00:44:00,986 INFO L132 encePairwiseOnDemand]: 318/321 looper letters, 3 selfloop transitions, 1 changer transitions 4/86 dead transitions. [2021-04-29 00:44:00,986 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 75 places, 86 transitions, 665 flow [2021-04-29 00:44:00,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:44:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:44:00,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 874 transitions. [2021-04-29 00:44:00,994 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6806853582554517 [2021-04-29 00:44:00,994 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 874 transitions. [2021-04-29 00:44:00,994 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 874 transitions. [2021-04-29 00:44:00,995 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:44:00,995 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 874 transitions. [2021-04-29 00:44:00,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 218.5) internal successors, (874), 4 states have internal predecessors, (874), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:01,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:01,002 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 321.0) internal successors, (1605), 5 states have internal predecessors, (1605), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:01,002 INFO L185 Difference]: Start difference. First operand has 72 places, 85 transitions, 653 flow. Second operand 4 states and 874 transitions. [2021-04-29 00:44:01,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 75 places, 86 transitions, 665 flow [2021-04-29 00:44:03,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 86 transitions, 475 flow, removed 44 selfloop flow, removed 8 redundant places. [2021-04-29 00:44:03,018 INFO L241 Difference]: Finished difference. Result has 69 places, 82 transitions, 458 flow [2021-04-29 00:44:03,018 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=321, PETRI_DIFFERENCE_MINUEND_FLOW=463, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=84, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=458, PETRI_PLACES=69, PETRI_TRANSITIONS=82} [2021-04-29 00:44:03,018 INFO L343 CegarLoopForPetriNet]: 127 programPoint places, -58 predicate places. [2021-04-29 00:44:03,018 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:44:03,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 82 transitions, 458 flow [2021-04-29 00:44:03,018 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 82 transitions, 458 flow [2021-04-29 00:44:03,019 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 82 transitions, 458 flow [2021-04-29 00:44:03,100 INFO L129 PetriNetUnfolder]: 276/1341 cut-off events. [2021-04-29 00:44:03,100 INFO L130 PetriNetUnfolder]: For 822/867 co-relation queries the response was YES. [2021-04-29 00:44:03,104 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4688 conditions, 1341 events. 276/1341 cut-off events. For 822/867 co-relation queries the response was YES. Maximal size of possible extension queue 350. Compared 15250 event pairs, 0 based on Foata normal form. 0/426 useless extension candidates. Maximal degree in co-relation 4668. Up to 801 conditions per place. [2021-04-29 00:44:03,113 INFO L146 LiptonReduction]: Number of co-enabled transitions 904 [2021-04-29 00:44:03,967 INFO L158 LiptonReduction]: Checked pairs total: 261 [2021-04-29 00:44:03,967 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-29 00:44:03,968 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 950 [2021-04-29 00:44:03,969 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 82 transitions, 463 flow [2021-04-29 00:44:03,970 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 218.0) internal successors, (872), 4 states have internal predecessors, (872), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:44:03,970 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:44:03,970 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:44:03,970 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-29 00:44:03,970 INFO L428 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:44:03,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:44:03,971 INFO L82 PathProgramCache]: Analyzing trace with hash -768168718, now seen corresponding path program 1 times [2021-04-29 00:44:03,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:44:03,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116855611] [2021-04-29 00:44:03,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:44:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:44:04,077 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:44:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-29 00:44:04,149 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-29 00:44:04,215 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-29 00:44:04,215 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-29 00:44:04,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-29 00:44:04,370 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:44:04 BasicIcfg [2021-04-29 00:44:04,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:44:04,372 INFO L168 Benchmark]: Toolchain (without parser) took 158787.26 ms. Allocated memory was 308.3 MB in the beginning and 824.2 MB in the end (delta: 515.9 MB). Free memory was 281.6 MB in the beginning and 694.0 MB in the end (delta: -412.4 MB). Peak memory consumption was 107.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,372 INFO L168 Benchmark]: CDTParser took 0.49 ms. Allocated memory is still 308.3 MB. Free memory is still 293.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:44:04,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 963.24 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 274.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.20 ms. Allocated memory is still 308.3 MB. Free memory was 274.8 MB in the beginning and 272.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,373 INFO L168 Benchmark]: Boogie Preprocessor took 78.93 ms. Allocated memory is still 308.3 MB. Free memory was 272.0 MB in the beginning and 269.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,373 INFO L168 Benchmark]: RCFGBuilder took 3269.78 ms. Allocated memory was 308.3 MB in the beginning and 381.7 MB in the end (delta: 73.4 MB). Free memory was 269.9 MB in the beginning and 326.2 MB in the end (delta: -56.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,374 INFO L168 Benchmark]: TraceAbstraction took 154335.56 ms. Allocated memory was 381.7 MB in the beginning and 824.2 MB in the end (delta: 442.5 MB). Free memory was 325.1 MB in the beginning and 694.0 MB in the end (delta: -368.9 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:44:04,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49 ms. Allocated memory is still 308.3 MB. Free memory is still 293.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 963.24 ms. Allocated memory is still 308.3 MB. Free memory was 278.5 MB in the beginning and 274.8 MB in the end (delta: 3.6 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 80.20 ms. Allocated memory is still 308.3 MB. Free memory was 274.8 MB in the beginning and 272.0 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 78.93 ms. Allocated memory is still 308.3 MB. Free memory was 272.0 MB in the beginning and 269.9 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3269.78 ms. Allocated memory was 308.3 MB in the beginning and 381.7 MB in the end (delta: 73.4 MB). Free memory was 269.9 MB in the beginning and 326.2 MB in the end (delta: -56.2 MB). Peak memory consumption was 91.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 154335.56 ms. Allocated memory was 381.7 MB in the beginning and 824.2 MB in the end (delta: 442.5 MB). Free memory was 325.1 MB in the beginning and 694.0 MB in the end (delta: -368.9 MB). Peak memory consumption was 74.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 138150.1ms, 101 PlacesBefore, 127 PlacesAfterwards, 93 TransitionsBefore, 119 TransitionsAfterwards, 1578 CoEnabledTransitionPairs, 9 FixpointIterations, 146 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 225 TotalNumberOfCompositions, 15276 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3902, positive: 3635, positive conditional: 3635, positive unconditional: 0, negative: 267, negative conditional: 267, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1847, positive: 1777, positive conditional: 0, positive unconditional: 1777, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1847, positive: 1777, positive conditional: 0, positive unconditional: 1777, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1847, positive: 1754, positive conditional: 0, positive unconditional: 1754, negative: 93, negative conditional: 0, negative unconditional: 93, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 93, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 70, negative conditional: 0, negative unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2166, positive: 148, positive conditional: 0, positive unconditional: 148, negative: 2018, negative conditional: 0, negative unconditional: 2018, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3902, positive: 1858, positive conditional: 1858, positive unconditional: 0, negative: 197, negative conditional: 197, negative unconditional: 0, unknown: 1847, unknown conditional: 1847, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1847, Positive cache size: 1777, Positive conditional cache size: 1777, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 296.1ms, 123 PlacesBefore, 47 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 822 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 790 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 193, positive: 163, positive conditional: 163, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 54, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 13, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 281, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 281, negative conditional: 0, negative unconditional: 281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 193, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 54, unknown conditional: 54, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1901, Positive cache size: 1818, Positive conditional cache size: 1818, Positive unconditional cache size: 0, Negative cache size: 83, Negative conditional cache size: 83, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 49.4ms, 48 PlacesBefore, 48 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 888 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 736 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 177, positive: 150, positive conditional: 150, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 8, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 8, positive unconditional: 17, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 32, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 177, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1927, Positive cache size: 1843, Positive conditional cache size: 1843, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2ms, 50 PlacesBefore, 50 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 884 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 686 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 157, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 157, positive: 132, positive conditional: 132, positive unconditional: 0, negative: 25, negative conditional: 25, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1927, Positive cache size: 1843, Positive conditional cache size: 1843, Positive unconditional cache size: 0, Negative cache size: 84, Negative conditional cache size: 84, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.9ms, 52 PlacesBefore, 52 PlacesAfterwards, 42 TransitionsBefore, 42 TransitionsAfterwards, 952 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 380 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 95, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 14, positive conditional: 8, positive unconditional: 6, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 190, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 95, positive: 68, positive conditional: 68, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1944, Positive cache size: 1857, Positive conditional cache size: 1857, Positive unconditional cache size: 0, Negative cache size: 87, Negative conditional cache size: 87, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 157.0ms, 53 PlacesBefore, 52 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 902 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 367 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 49, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 135, negative conditional: 0, negative unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 49, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 3, unknown conditional: 3, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1947, Positive cache size: 1857, Positive conditional cache size: 1857, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1098.6ms, 58 PlacesBefore, 58 PlacesAfterwards, 63 TransitionsBefore, 63 TransitionsAfterwards, 1200 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 599 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 138, positive: 125, positive conditional: 125, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 12, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 12, positive unconditional: 14, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 138, positive: 99, positive conditional: 99, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 26, unknown conditional: 26, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1973, Positive cache size: 1883, Positive conditional cache size: 1883, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 808.5ms, 67 PlacesBefore, 67 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1456 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1071 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 121, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 37, positive: 37, positive conditional: 29, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 37, positive: 37, positive conditional: 29, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 37, positive: 37, positive conditional: 0, positive unconditional: 37, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 121, positive: 65, positive conditional: 65, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 37, unknown conditional: 37, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2010, Positive cache size: 1920, Positive conditional cache size: 1920, Positive unconditional cache size: 0, Negative cache size: 90, Negative conditional cache size: 90, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 748.0ms, 74 PlacesBefore, 72 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1380 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1014 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 289, positive: 270, positive conditional: 270, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 87, positive: 85, positive conditional: 81, positive unconditional: 4, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 87, positive: 85, positive conditional: 81, positive unconditional: 4, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 87, positive: 85, positive conditional: 0, positive unconditional: 85, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 99, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 99, negative conditional: 99, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 289, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 87, unknown conditional: 87, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2097, Positive cache size: 2005, Positive conditional cache size: 2005, Positive unconditional cache size: 0, Negative cache size: 92, Negative conditional cache size: 92, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 949.1ms, 69 PlacesBefore, 67 PlacesAfterwards, 82 TransitionsBefore, 82 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 261 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 221, positive: 217, positive conditional: 217, positive unconditional: 0, negative: 4, negative conditional: 4, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 123, positive: 122, positive conditional: 113, positive unconditional: 9, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 123, positive: 122, positive conditional: 113, positive unconditional: 9, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 123, positive: 122, positive conditional: 0, positive unconditional: 122, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 44, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 221, positive: 95, positive conditional: 95, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 123, unknown conditional: 123, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2220, Positive cache size: 2127, Positive conditional cache size: 2127, Positive unconditional cache size: 0, Negative cache size: 93, Negative conditional cache size: 93, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L712] 0 _Bool main$tmp_guard0; [L713] 0 _Bool main$tmp_guard1; [L715] 0 int x = 0; [L717] 0 int y = 0; [L718] 0 _Bool y$flush_delayed; [L719] 0 int y$mem_tmp; [L720] 0 _Bool y$r_buff0_thd0; [L721] 0 _Bool y$r_buff0_thd1; [L722] 0 _Bool y$r_buff0_thd2; [L723] 0 _Bool y$r_buff0_thd3; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$r_buff1_thd3; [L728] 0 _Bool y$read_delayed; [L729] 0 int *y$read_delayed_var; [L730] 0 int y$w_buff0; [L731] 0 _Bool y$w_buff0_used; [L732] 0 int y$w_buff1; [L733] 0 _Bool y$w_buff1_used; [L735] 0 int z = 0; [L736] 0 _Bool weak$$choice0; [L737] 0 _Bool weak$$choice2; [L815] 0 pthread_t t2528; [L816] FCALL, FORK 0 pthread_create(&t2528, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=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, z=0] [L817] 0 pthread_t t2529; [L818] FCALL, FORK 0 pthread_create(&t2529, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, 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, z=0] [L819] 0 pthread_t t2530; [L820] FCALL, FORK 0 pthread_create(&t2530, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, 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, z=0] [L778] 3 y$w_buff1 = y$w_buff0 [L779] 3 y$w_buff0 = 2 [L780] 3 y$w_buff1_used = y$w_buff0_used [L781] 3 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 3 !(!expression) [L783] 3 y$r_buff1_thd0 = y$r_buff0_thd0 [L784] 3 y$r_buff1_thd1 = y$r_buff0_thd1 [L785] 3 y$r_buff1_thd2 = y$r_buff0_thd2 [L786] 3 y$r_buff1_thd3 = y$r_buff0_thd3 [L787] 3 y$r_buff0_thd3 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, main$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=1, 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, z=0] [L790] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, 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=1, 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, z=1] [L741] 1 z = 2 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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=1, 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, z=2] [L746] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=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=1, 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, z=2] [L758] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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=1, 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, z=2] [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, 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=1, 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, z=2] [L761] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, 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=1, 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, z=2] [L793] 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) [L793] 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) [L794] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L794] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L795] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L795] 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 [L796] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L796] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L797] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L797] 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 [L764] 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) [L764] EXPR 2 y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y [L764] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L764] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L765] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L765] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L766] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L766] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L767] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L767] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L768] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L768] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L773] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, 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=1, 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, z=2] [L800] 3 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, 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=1, 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, z=2] [L822] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L826] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L826] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L826] 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) [L826] 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) [L827] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L827] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L828] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L828] 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 [L829] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L829] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L830] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L830] 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 [L833] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 0 y$flush_delayed = weak$$choice2 [L836] 0 y$mem_tmp = y [L837] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L837] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L838] EXPR 0 weak$$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$w_buff0)) [L838] EXPR 0 !y$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) [L838] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L838] 0 y$w_buff0 = weak$$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)) [L839] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L839] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1) [L839] EXPR 0 weak$$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$w_buff1)) [L839] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L840] EXPR 0 weak$$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)) [L840] 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) [L840] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L840] 0 y$w_buff0_used = weak$$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)) [L841] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L841] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L841] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 0 weak$$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)) [L842] 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) [L842] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L842] 0 y$r_buff0_thd0 = weak$$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)) [L843] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L843] EXPR 0 weak$$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$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L843] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L844] 0 main$tmp_guard1 = !(y == 2 && z == 2 && __unbuffered_p0_EAX == 0) [L845] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L845] 0 y = y$flush_delayed ? y$mem_tmp : y [L846] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, 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$r_buff0_thd2=0, y$r_buff0_thd3=1, 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, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 95 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 17.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 154035.1ms, OverallIterations: 10, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 8975.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 138274.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 52 SDtfs, 60 SDslu, 13 SDs, 0 SdLazy, 371 SolverSat, 134 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 902.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 617.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=653occurred in iteration=8, InterpolantAutomatonStates: 41, 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: 46.7ms SsaConstructionTime, 685.4ms SatisfiabilityAnalysisTime, 1249.8ms InterpolantComputationTime, 132 NumberOfCodeBlocks, 132 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 454 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 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...