/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/mix028_rmo.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 19:37:17,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 19:37:17,964 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 19:37:18,064 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-28 19:37:18,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 19:37:18,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 19:37:18,099 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 19:37:18,100 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 19:37:18,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 19:37:18,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 19:37:18,113 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 19:37:18,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 19:37:18,122 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 19:37:18,124 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 19:37:18,125 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 19:37:18,127 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 19:37:18,135 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 19:37:18,147 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 19:37:18,147 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 19:37:18,148 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 19:37:18,154 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 19:37:18,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 19:37:18,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 19:37:18,208 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 19:37:18,208 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 19:37:18,209 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 19:37:18,209 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 19:37:18,209 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 19:37:18,209 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 19:37:18,210 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 19:37:18,210 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 19:37:18,211 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 19:37:18,211 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 19:37:18,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 19:37:18,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 19:37:18,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 19:37:18,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 19:37:18,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 19:37:18,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 19:37:18,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 19:37:18,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 19:37:18,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 19:37:18,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:37:18,214 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 19:37:18,214 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 19:37:18,214 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 19:37:18,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 19:37:18,215 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 19:37:18,215 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 19:37:18,215 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 19:37:18,215 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 19:37:18,215 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 19:37:18,575 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 19:37:18,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 19:37:18,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 19:37:18,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 19:37:18,607 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 19:37:18,608 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix028_rmo.oepc.i [2021-04-28 19:37:18,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349cffb8/20aa53dc5ca04887812f04424a984a8a/FLAG219d4a0f1 [2021-04-28 19:37:19,368 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 19:37:19,369 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix028_rmo.oepc.i [2021-04-28 19:37:19,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349cffb8/20aa53dc5ca04887812f04424a984a8a/FLAG219d4a0f1 [2021-04-28 19:37:19,654 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c349cffb8/20aa53dc5ca04887812f04424a984a8a [2021-04-28 19:37:19,658 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 19:37:19,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 19:37:19,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 19:37:19,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 19:37:19,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 19:37:19,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:37:19" (1/1) ... [2021-04-28 19:37:19,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6573fb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:19, skipping insertion in model container [2021-04-28 19:37:19,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 07:37:19" (1/1) ... [2021-04-28 19:37:19,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 19:37:19,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 19:37:20,048 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/mix028_rmo.oepc.i[949,962] [2021-04-28 19:37:20,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:37:20,286 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 19:37:20,325 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/mix028_rmo.oepc.i[949,962] [2021-04-28 19:37:20,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 19:37:20,519 INFO L208 MainTranslator]: Completed translation [2021-04-28 19:37:20,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20 WrapperNode [2021-04-28 19:37:20,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 19:37:20,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 19:37:20,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 19:37:20,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 19:37:20,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,548 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,578 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 19:37:20,578 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 19:37:20,579 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 19:37:20,579 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 19:37:20,591 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,591 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,598 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,613 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,623 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... [2021-04-28 19:37:20,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 19:37:20,630 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 19:37:20,630 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 19:37:20,630 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 19:37:20,631 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 19:37:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 19:37:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 19:37:20,721 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 19:37:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 19:37:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 19:37:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 19:37:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 19:37:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 19:37:20,722 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 19:37:20,722 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 19:37:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 19:37:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 19:37:20,723 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 19:37:20,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 19:37:20,725 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 19:37:22,718 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 19:37:22,719 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 19:37:22,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:37:22 BoogieIcfgContainer [2021-04-28 19:37:22,721 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 19:37:22,723 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 19:37:22,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 19:37:22,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 19:37:22,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 07:37:19" (1/3) ... [2021-04-28 19:37:22,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fac07dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:37:22, skipping insertion in model container [2021-04-28 19:37:22,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 07:37:20" (2/3) ... [2021-04-28 19:37:22,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4fac07dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 07:37:22, skipping insertion in model container [2021-04-28 19:37:22,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 07:37:22" (3/3) ... [2021-04-28 19:37:22,729 INFO L111 eAbstractionObserver]: Analyzing ICFG mix028_rmo.oepc.i [2021-04-28 19:37:22,737 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 19:37:22,742 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 19:37:22,743 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 19:37:22,776 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,777 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,778 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,778 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,779 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,779 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,779 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,781 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,782 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,783 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,783 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,784 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,784 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,784 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,785 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,786 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,786 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,786 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,786 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,787 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,789 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,789 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,790 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,790 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,790 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,793 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,794 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,795 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,796 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,798 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,799 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,800 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,801 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,802 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,803 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,805 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,805 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,806 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,810 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,811 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,811 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,812 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,816 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,817 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,818 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,819 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,820 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,823 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,823 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,823 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 19:37:22,824 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 19:37:22,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-04-28 19:37:22,873 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 19:37:22,873 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 19:37:22,873 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 19:37:22,874 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 19:37:22,874 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 19:37:22,874 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 19:37:22,874 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 19:37:22,874 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 19:37:22,887 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:37:22,931 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:37:22,931 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:22,935 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:37:22,935 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-04-28 19:37:22,941 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-04-28 19:37:22,943 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:22,957 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:37:22,961 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-04-28 19:37:22,963 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-04-28 19:37:22,988 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-04-28 19:37:22,989 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:22,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-04-28 19:37:22,993 INFO L146 LiptonReduction]: Number of co-enabled transitions 1778 [2021-04-28 19:37:25,688 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 19:37:26,335 WARN L205 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 88 [2021-04-28 19:37:26,519 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 19:37:36,645 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 19:37:40,317 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:37:40,443 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:37:40,568 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:37:40,693 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 19:37:40,827 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:40,991 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:41,115 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:41,249 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:41,693 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:37:41,801 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:37:41,913 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:37:42,023 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 19:37:42,125 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 19:37:42,822 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:37:42,937 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:37:43,089 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:37:43,205 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 19:37:43,631 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:43,765 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:43,905 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:44,041 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:44,536 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:37:44,658 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:37:44,776 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:37:44,896 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 19:37:45,126 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:37:45,240 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:37:45,355 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 19:37:45,908 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:46,049 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:46,186 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:46,324 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:46,804 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:37:46,937 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:37:47,074 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:37:47,206 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 19:37:47,346 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:47,482 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:47,618 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:47,786 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 19:37:48,149 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:37:48,324 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:37:48,691 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 114 [2021-04-28 19:37:48,857 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 110 [2021-04-28 19:37:48,969 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:37:49,079 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:37:49,194 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:37:49,315 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 19:37:49,666 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:37:49,826 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:37:50,170 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 109 [2021-04-28 19:37:50,360 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 105 [2021-04-28 19:37:50,401 INFO L158 LiptonReduction]: Checked pairs total: 16571 [2021-04-28 19:37:50,401 INFO L160 LiptonReduction]: Total number of compositions: 231 [2021-04-28 19:37:50,406 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 27465 [2021-04-28 19:37:50,425 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 19:37:50,426 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:50,426 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:50,427 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 19:37:50,427 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:50,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:50,433 INFO L82 PathProgramCache]: Analyzing trace with hash 1205160, now seen corresponding path program 1 times [2021-04-28 19:37:50,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:50,442 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692543592] [2021-04-28 19:37:50,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:50,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:50,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:50,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:37:50,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:50,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692543592] [2021-04-28 19:37:50,689 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:50,689 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:37:50,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081841709] [2021-04-28 19:37:50,699 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:37:50,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:50,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:37:50,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:37:50,721 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 271 out of 330 [2021-04-28 19:37:50,729 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 128 places, 119 transitions, 247 flow. Second operand has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:50,733 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:50,733 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 271 of 330 [2021-04-28 19:37:50,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:50,947 INFO L129 PetriNetUnfolder]: 49/431 cut-off events. [2021-04-28 19:37:50,947 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:50,952 INFO L84 FinitePrefix]: Finished finitePrefix Result has 536 conditions, 431 events. 49/431 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 3408 event pairs, 38 based on Foata normal form. 35/159 useless extension candidates. Maximal degree in co-relation 470. Up to 65 conditions per place. [2021-04-28 19:37:50,956 INFO L132 encePairwiseOnDemand]: 315/330 looper letters, 9 selfloop transitions, 2 changer transitions 49/119 dead transitions. [2021-04-28 19:37:50,957 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 119 transitions, 287 flow [2021-04-28 19:37:50,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:37:50,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:37:50,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 840 transitions. [2021-04-28 19:37:50,983 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8484848484848485 [2021-04-28 19:37:50,984 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 840 transitions. [2021-04-28 19:37:50,984 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 840 transitions. [2021-04-28 19:37:50,988 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:50,990 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 840 transitions. [2021-04-28 19:37:50,996 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 280.0) internal successors, (840), 3 states have internal predecessors, (840), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:51,007 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:51,009 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:51,011 INFO L185 Difference]: Start difference. First operand has 128 places, 119 transitions, 247 flow. Second operand 3 states and 840 transitions. [2021-04-28 19:37:51,012 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 119 transitions, 287 flow [2021-04-28 19:37:51,015 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 124 places, 119 transitions, 284 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-28 19:37:51,018 INFO L241 Difference]: Finished difference. Result has 124 places, 66 transitions, 142 flow [2021-04-28 19:37:51,021 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=142, PETRI_PLACES=124, PETRI_TRANSITIONS=66} [2021-04-28 19:37:51,021 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -4 predicate places. [2021-04-28 19:37:51,022 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:51,022 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 66 transitions, 142 flow [2021-04-28 19:37:51,022 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 66 transitions, 142 flow [2021-04-28 19:37:51,023 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 66 transitions, 142 flow [2021-04-28 19:37:51,032 INFO L129 PetriNetUnfolder]: 0/66 cut-off events. [2021-04-28 19:37:51,032 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:51,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 66 events. 0/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 328 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 19:37:51,034 INFO L146 LiptonReduction]: Number of co-enabled transitions 2046 [2021-04-28 19:37:51,391 INFO L158 LiptonReduction]: Checked pairs total: 2750 [2021-04-28 19:37:51,392 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:51,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 370 [2021-04-28 19:37:51,394 INFO L480 AbstractCegarLoop]: Abstraction has has 75 places, 66 transitions, 142 flow [2021-04-28 19:37:51,395 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 271.6666666666667) internal successors, (815), 3 states have internal predecessors, (815), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:51,395 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:51,396 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:51,396 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 19:37:51,396 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:51,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:51,397 INFO L82 PathProgramCache]: Analyzing trace with hash 1655617303, now seen corresponding path program 1 times [2021-04-28 19:37:51,397 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:51,397 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1248159202] [2021-04-28 19:37:51,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:51,599 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:37:51,600 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:37:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:51,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1248159202] [2021-04-28 19:37:51,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:51,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 19:37:51,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100904470] [2021-04-28 19:37:51,610 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 19:37:51,610 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:51,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 19:37:51,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 19:37:51,613 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:37:51,614 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 75 places, 66 transitions, 142 flow. Second operand has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:51,614 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:51,615 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:37:51,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:52,378 INFO L129 PetriNetUnfolder]: 1738/4980 cut-off events. [2021-04-28 19:37:52,379 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 19:37:52,395 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7769 conditions, 4980 events. 1738/4980 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 809. Compared 58701 event pairs, 514 based on Foata normal form. 0/3034 useless extension candidates. Maximal degree in co-relation 7760. Up to 1446 conditions per place. [2021-04-28 19:37:52,403 INFO L132 encePairwiseOnDemand]: 308/330 looper letters, 7 selfloop transitions, 7 changer transitions 46/94 dead transitions. [2021-04-28 19:37:52,403 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 94 transitions, 318 flow [2021-04-28 19:37:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 19:37:52,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 19:37:52,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 692 transitions. [2021-04-28 19:37:52,407 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6989898989898989 [2021-04-28 19:37:52,407 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 692 transitions. [2021-04-28 19:37:52,407 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 692 transitions. [2021-04-28 19:37:52,408 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:52,408 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 692 transitions. [2021-04-28 19:37:52,410 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 230.66666666666666) internal successors, (692), 3 states have internal predecessors, (692), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,414 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,415 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 330.0) internal successors, (1320), 4 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,415 INFO L185 Difference]: Start difference. First operand has 75 places, 66 transitions, 142 flow. Second operand 3 states and 692 transitions. [2021-04-28 19:37:52,416 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 94 transitions, 318 flow [2021-04-28 19:37:52,417 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 94 transitions, 314 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:37:52,419 INFO L241 Difference]: Finished difference. Result has 77 places, 48 transitions, 144 flow [2021-04-28 19:37:52,419 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=144, PETRI_PLACES=77, PETRI_TRANSITIONS=48} [2021-04-28 19:37:52,420 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -51 predicate places. [2021-04-28 19:37:52,420 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:52,421 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 48 transitions, 144 flow [2021-04-28 19:37:52,421 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 48 transitions, 144 flow [2021-04-28 19:37:52,422 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 48 transitions, 144 flow [2021-04-28 19:37:52,472 INFO L129 PetriNetUnfolder]: 74/340 cut-off events. [2021-04-28 19:37:52,472 INFO L130 PetriNetUnfolder]: For 26/26 co-relation queries the response was YES. [2021-04-28 19:37:52,474 INFO L84 FinitePrefix]: Finished finitePrefix Result has 564 conditions, 340 events. 74/340 cut-off events. For 26/26 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 2446 event pairs, 34 based on Foata normal form. 0/239 useless extension candidates. Maximal degree in co-relation 555. Up to 93 conditions per place. [2021-04-28 19:37:52,481 INFO L146 LiptonReduction]: Number of co-enabled transitions 1218 [2021-04-28 19:37:52,487 INFO L158 LiptonReduction]: Checked pairs total: 764 [2021-04-28 19:37:52,487 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:52,487 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 67 [2021-04-28 19:37:52,489 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 48 transitions, 144 flow [2021-04-28 19:37:52,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 211.66666666666666) internal successors, (635), 3 states have internal predecessors, (635), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,490 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:52,490 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:52,490 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 19:37:52,491 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:52,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:52,491 INFO L82 PathProgramCache]: Analyzing trace with hash -215473113, now seen corresponding path program 1 times [2021-04-28 19:37:52,491 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:52,492 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [487815525] [2021-04-28 19:37:52,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:52,555 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:52,555 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:37:52,559 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:37:52,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:37:52,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:52,571 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [487815525] [2021-04-28 19:37:52,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:52,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:37:52,572 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626868492] [2021-04-28 19:37:52,572 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:37:52,572 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:52,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:37:52,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:37:52,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:37:52,576 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 48 transitions, 144 flow. Second operand has 4 states, 4 states have (on average 211.75) internal successors, (847), 4 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,576 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:52,577 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:37:52,577 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:52,679 INFO L129 PetriNetUnfolder]: 51/250 cut-off events. [2021-04-28 19:37:52,679 INFO L130 PetriNetUnfolder]: For 43/90 co-relation queries the response was YES. [2021-04-28 19:37:52,680 INFO L84 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 250 events. 51/250 cut-off events. For 43/90 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1550 event pairs, 8 based on Foata normal form. 5/181 useless extension candidates. Maximal degree in co-relation 518. Up to 67 conditions per place. [2021-04-28 19:37:52,682 INFO L132 encePairwiseOnDemand]: 323/330 looper letters, 13 selfloop transitions, 7 changer transitions 0/54 dead transitions. [2021-04-28 19:37:52,682 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 54 transitions, 214 flow [2021-04-28 19:37:52,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:37:52,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:37:52,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 860 transitions. [2021-04-28 19:37:52,687 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6515151515151515 [2021-04-28 19:37:52,687 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 860 transitions. [2021-04-28 19:37:52,687 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 860 transitions. [2021-04-28 19:37:52,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:52,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 860 transitions. [2021-04-28 19:37:52,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,695 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,697 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,697 INFO L185 Difference]: Start difference. First operand has 53 places, 48 transitions, 144 flow. Second operand 4 states and 860 transitions. [2021-04-28 19:37:52,697 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 54 transitions, 214 flow [2021-04-28 19:37:52,699 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 194 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 19:37:52,701 INFO L241 Difference]: Finished difference. Result has 57 places, 51 transitions, 178 flow [2021-04-28 19:37:52,701 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=130, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=48, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=178, PETRI_PLACES=57, PETRI_TRANSITIONS=51} [2021-04-28 19:37:52,701 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -71 predicate places. [2021-04-28 19:37:52,701 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:52,701 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 51 transitions, 178 flow [2021-04-28 19:37:52,702 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 51 transitions, 178 flow [2021-04-28 19:37:52,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 57 places, 51 transitions, 178 flow [2021-04-28 19:37:52,740 INFO L129 PetriNetUnfolder]: 51/250 cut-off events. [2021-04-28 19:37:52,740 INFO L130 PetriNetUnfolder]: For 81/81 co-relation queries the response was YES. [2021-04-28 19:37:52,741 INFO L84 FinitePrefix]: Finished finitePrefix Result has 478 conditions, 250 events. 51/250 cut-off events. For 81/81 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 1578 event pairs, 17 based on Foata normal form. 0/177 useless extension candidates. Maximal degree in co-relation 466. Up to 67 conditions per place. [2021-04-28 19:37:52,746 INFO L146 LiptonReduction]: Number of co-enabled transitions 1312 [2021-04-28 19:37:52,753 INFO L158 LiptonReduction]: Checked pairs total: 831 [2021-04-28 19:37:52,753 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:52,753 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 52 [2021-04-28 19:37:52,755 INFO L480 AbstractCegarLoop]: Abstraction has has 57 places, 51 transitions, 178 flow [2021-04-28 19:37:52,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 211.75) internal successors, (847), 4 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:52,756 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:52,756 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 19:37:52,757 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:52,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:52,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1847806498, now seen corresponding path program 1 times [2021-04-28 19:37:52,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:52,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950614896] [2021-04-28 19:37:52,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:52,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:52,814 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:52,815 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:37:52,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:37:52,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:37:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:52,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [950614896] [2021-04-28 19:37:52,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:52,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 19:37:52,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218612882] [2021-04-28 19:37:52,833 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:37:52,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:52,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:37:52,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:37:52,836 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:37:52,837 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 51 transitions, 178 flow. Second operand has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,837 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:52,838 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:37:52,838 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:52,909 INFO L129 PetriNetUnfolder]: 45/252 cut-off events. [2021-04-28 19:37:52,909 INFO L130 PetriNetUnfolder]: For 75/81 co-relation queries the response was YES. [2021-04-28 19:37:52,910 INFO L84 FinitePrefix]: Finished finitePrefix Result has 557 conditions, 252 events. 45/252 cut-off events. For 75/81 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1600 event pairs, 5 based on Foata normal form. 5/179 useless extension candidates. Maximal degree in co-relation 543. Up to 59 conditions per place. [2021-04-28 19:37:52,912 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 10 selfloop transitions, 15 changer transitions 0/59 dead transitions. [2021-04-28 19:37:52,912 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 59 transitions, 272 flow [2021-04-28 19:37:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:37:52,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:37:52,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 864 transitions. [2021-04-28 19:37:52,917 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6545454545454545 [2021-04-28 19:37:52,917 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 864 transitions. [2021-04-28 19:37:52,917 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 864 transitions. [2021-04-28 19:37:52,918 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:52,918 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 864 transitions. [2021-04-28 19:37:52,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 216.0) internal successors, (864), 4 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,927 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,927 INFO L185 Difference]: Start difference. First operand has 57 places, 51 transitions, 178 flow. Second operand 4 states and 864 transitions. [2021-04-28 19:37:52,927 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 59 transitions, 272 flow [2021-04-28 19:37:52,930 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 59 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 19:37:52,932 INFO L241 Difference]: Finished difference. Result has 61 places, 57 transitions, 263 flow [2021-04-28 19:37:52,933 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=175, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=263, PETRI_PLACES=61, PETRI_TRANSITIONS=57} [2021-04-28 19:37:52,933 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -67 predicate places. [2021-04-28 19:37:52,933 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:52,933 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 57 transitions, 263 flow [2021-04-28 19:37:52,933 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 57 transitions, 263 flow [2021-04-28 19:37:52,934 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 57 transitions, 263 flow [2021-04-28 19:37:52,975 INFO L129 PetriNetUnfolder]: 45/252 cut-off events. [2021-04-28 19:37:52,975 INFO L130 PetriNetUnfolder]: For 226/232 co-relation queries the response was YES. [2021-04-28 19:37:52,976 INFO L84 FinitePrefix]: Finished finitePrefix Result has 560 conditions, 252 events. 45/252 cut-off events. For 226/232 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 1602 event pairs, 6 based on Foata normal form. 0/173 useless extension candidates. Maximal degree in co-relation 545. Up to 59 conditions per place. [2021-04-28 19:37:52,982 INFO L146 LiptonReduction]: Number of co-enabled transitions 1486 [2021-04-28 19:37:52,992 INFO L158 LiptonReduction]: Checked pairs total: 981 [2021-04-28 19:37:52,993 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:52,993 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 60 [2021-04-28 19:37:52,995 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 57 transitions, 263 flow [2021-04-28 19:37:52,996 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.0) internal successors, (848), 4 states have internal predecessors, (848), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:52,996 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:52,996 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:52,996 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 19:37:52,997 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:52,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:52,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1254909986, now seen corresponding path program 1 times [2021-04-28 19:37:52,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:52,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75998990] [2021-04-28 19:37:52,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:53,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:37:53,103 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:53,103 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:37:53,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:53,111 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:37:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:53,112 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75998990] [2021-04-28 19:37:53,112 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:53,112 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:37:53,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35267547] [2021-04-28 19:37:53,113 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:37:53,113 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:53,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:37:53,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:37:53,115 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:37:53,117 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 57 transitions, 263 flow. Second operand has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:53,117 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:53,117 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:37:53,117 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:54,124 INFO L129 PetriNetUnfolder]: 5303/9219 cut-off events. [2021-04-28 19:37:54,124 INFO L130 PetriNetUnfolder]: For 870/956 co-relation queries the response was YES. [2021-04-28 19:37:54,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18924 conditions, 9219 events. 5303/9219 cut-off events. For 870/956 co-relation queries the response was YES. Maximal size of possible extension queue 2160. Compared 85560 event pairs, 2049 based on Foata normal form. 241/2798 useless extension candidates. Maximal degree in co-relation 18907. Up to 5836 conditions per place. [2021-04-28 19:37:54,208 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 27 selfloop transitions, 26 changer transitions 0/91 dead transitions. [2021-04-28 19:37:54,208 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 91 transitions, 437 flow [2021-04-28 19:37:54,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 19:37:54,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 19:37:54,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1209 transitions. [2021-04-28 19:37:54,214 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7327272727272728 [2021-04-28 19:37:54,214 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1209 transitions. [2021-04-28 19:37:54,214 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1209 transitions. [2021-04-28 19:37:54,215 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:54,215 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1209 transitions. [2021-04-28 19:37:54,219 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:54,224 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:54,226 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 330.0) internal successors, (1980), 6 states have internal predecessors, (1980), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:54,226 INFO L185 Difference]: Start difference. First operand has 61 places, 57 transitions, 263 flow. Second operand 5 states and 1209 transitions. [2021-04-28 19:37:54,226 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 91 transitions, 437 flow [2021-04-28 19:37:54,233 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 91 transitions, 435 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-04-28 19:37:54,235 INFO L241 Difference]: Finished difference. Result has 68 places, 81 transitions, 454 flow [2021-04-28 19:37:54,235 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=261, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=57, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=454, PETRI_PLACES=68, PETRI_TRANSITIONS=81} [2021-04-28 19:37:54,236 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -60 predicate places. [2021-04-28 19:37:54,236 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:54,236 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 81 transitions, 454 flow [2021-04-28 19:37:54,236 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 81 transitions, 454 flow [2021-04-28 19:37:54,237 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 81 transitions, 454 flow [2021-04-28 19:37:55,081 INFO L129 PetriNetUnfolder]: 4452/7952 cut-off events. [2021-04-28 19:37:55,082 INFO L130 PetriNetUnfolder]: For 2594/6846 co-relation queries the response was YES. [2021-04-28 19:37:55,126 INFO L84 FinitePrefix]: Finished finitePrefix Result has 22466 conditions, 7952 events. 4452/7952 cut-off events. For 2594/6846 co-relation queries the response was YES. Maximal size of possible extension queue 1858. Compared 77174 event pairs, 2004 based on Foata normal form. 12/2398 useless extension candidates. Maximal degree in co-relation 22446. Up to 6901 conditions per place. [2021-04-28 19:37:55,228 INFO L146 LiptonReduction]: Number of co-enabled transitions 2148 [2021-04-28 19:37:56,017 INFO L158 LiptonReduction]: Checked pairs total: 1782 [2021-04-28 19:37:56,018 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:56,018 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1782 [2021-04-28 19:37:56,020 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 81 transitions, 454 flow [2021-04-28 19:37:56,021 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 231.75) internal successors, (927), 4 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:56,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:56,021 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:56,021 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 19:37:56,021 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:56,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:56,022 INFO L82 PathProgramCache]: Analyzing trace with hash -2123383210, now seen corresponding path program 1 times [2021-04-28 19:37:56,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:56,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [724972945] [2021-04-28 19:37:56,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:56,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:56,080 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:37:56,080 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:56,081 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:37:56,085 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:37:56,085 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:37:56,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:56,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [724972945] [2021-04-28 19:37:56,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:56,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:37:56,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353668200] [2021-04-28 19:37:56,097 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:37:56,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:56,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:37:56,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:37:56,100 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:37:56,101 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 81 transitions, 454 flow. Second operand has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:56,101 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:56,101 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:37:56,102 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:37:57,500 INFO L129 PetriNetUnfolder]: 7964/13759 cut-off events. [2021-04-28 19:37:57,501 INFO L130 PetriNetUnfolder]: For 4895/13704 co-relation queries the response was YES. [2021-04-28 19:37:57,576 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39258 conditions, 13759 events. 7964/13759 cut-off events. For 4895/13704 co-relation queries the response was YES. Maximal size of possible extension queue 2835. Compared 134417 event pairs, 3738 based on Foata normal form. 159/4185 useless extension candidates. Maximal degree in co-relation 39236. Up to 12439 conditions per place. [2021-04-28 19:37:57,630 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 13 selfloop transitions, 17 changer transitions 0/88 dead transitions. [2021-04-28 19:37:57,630 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 88 transitions, 573 flow [2021-04-28 19:37:57,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:37:57,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:37:57,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 863 transitions. [2021-04-28 19:37:57,635 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6537878787878788 [2021-04-28 19:37:57,635 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 863 transitions. [2021-04-28 19:37:57,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 863 transitions. [2021-04-28 19:37:57,636 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:37:57,636 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 863 transitions. [2021-04-28 19:37:57,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.75) internal successors, (863), 4 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:57,643 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:57,644 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:57,644 INFO L185 Difference]: Start difference. First operand has 68 places, 81 transitions, 454 flow. Second operand 4 states and 863 transitions. [2021-04-28 19:37:57,644 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 88 transitions, 573 flow [2021-04-28 19:37:57,676 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 71 places, 88 transitions, 573 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 19:37:57,679 INFO L241 Difference]: Finished difference. Result has 74 places, 86 transitions, 582 flow [2021-04-28 19:37:57,679 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=454, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=64, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=582, PETRI_PLACES=74, PETRI_TRANSITIONS=86} [2021-04-28 19:37:57,679 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -54 predicate places. [2021-04-28 19:37:57,679 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:37:57,680 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 74 places, 86 transitions, 582 flow [2021-04-28 19:37:57,680 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 74 places, 86 transitions, 582 flow [2021-04-28 19:37:57,681 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 74 places, 86 transitions, 582 flow [2021-04-28 19:37:58,788 INFO L129 PetriNetUnfolder]: 7509/12854 cut-off events. [2021-04-28 19:37:58,788 INFO L130 PetriNetUnfolder]: For 4442/11047 co-relation queries the response was YES. [2021-04-28 19:37:58,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 36627 conditions, 12854 events. 7509/12854 cut-off events. For 4442/11047 co-relation queries the response was YES. Maximal size of possible extension queue 2378. Compared 125812 event pairs, 3571 based on Foata normal form. 14/3829 useless extension candidates. Maximal degree in co-relation 36602. Up to 11572 conditions per place. [2021-04-28 19:37:58,991 INFO L146 LiptonReduction]: Number of co-enabled transitions 2490 [2021-04-28 19:37:59,262 INFO L158 LiptonReduction]: Checked pairs total: 1863 [2021-04-28 19:37:59,263 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:37:59,263 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1584 [2021-04-28 19:37:59,265 INFO L480 AbstractCegarLoop]: Abstraction has has 74 places, 86 transitions, 582 flow [2021-04-28 19:37:59,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.25) internal successors, (849), 4 states have internal predecessors, (849), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:59,265 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:37:59,266 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:37:59,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 19:37:59,266 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:37:59,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:37:59,266 INFO L82 PathProgramCache]: Analyzing trace with hash 827331879, now seen corresponding path program 1 times [2021-04-28 19:37:59,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:37:59,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589379870] [2021-04-28 19:37:59,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:37:59,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:37:59,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:59,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:37:59,315 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:37:59,316 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:37:59,325 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:37:59,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:37:59,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:37:59,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589379870] [2021-04-28 19:37:59,340 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:37:59,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 19:37:59,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314132113] [2021-04-28 19:37:59,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 19:37:59,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:37:59,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 19:37:59,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 19:37:59,343 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 330 [2021-04-28 19:37:59,344 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 74 places, 86 transitions, 582 flow. Second operand has 4 states, 4 states have (on average 212.5) internal successors, (850), 4 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:37:59,344 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:37:59,344 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 330 [2021-04-28 19:37:59,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:38:01,474 INFO L129 PetriNetUnfolder]: 12510/20924 cut-off events. [2021-04-28 19:38:01,475 INFO L130 PetriNetUnfolder]: For 7685/22081 co-relation queries the response was YES. [2021-04-28 19:38:01,541 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59942 conditions, 20924 events. 12510/20924 cut-off events. For 7685/22081 co-relation queries the response was YES. Maximal size of possible extension queue 4599. Compared 208423 event pairs, 6060 based on Foata normal form. 154/6196 useless extension candidates. Maximal degree in co-relation 59915. Up to 19279 conditions per place. [2021-04-28 19:38:01,568 INFO L132 encePairwiseOnDemand]: 322/330 looper letters, 11 selfloop transitions, 15 changer transitions 7/91 dead transitions. [2021-04-28 19:38:01,568 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 91 transitions, 701 flow [2021-04-28 19:38:01,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 19:38:01,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 19:38:01,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 863 transitions. [2021-04-28 19:38:01,572 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6537878787878788 [2021-04-28 19:38:01,572 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 863 transitions. [2021-04-28 19:38:01,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 863 transitions. [2021-04-28 19:38:01,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:38:01,573 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 863 transitions. [2021-04-28 19:38:01,576 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 215.75) internal successors, (863), 4 states have internal predecessors, (863), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:01,579 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:01,580 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 330.0) internal successors, (1650), 5 states have internal predecessors, (1650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:01,580 INFO L185 Difference]: Start difference. First operand has 74 places, 86 transitions, 582 flow. Second operand 4 states and 863 transitions. [2021-04-28 19:38:01,580 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 91 transitions, 701 flow [2021-04-28 19:38:01,623 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 77 places, 91 transitions, 695 flow, removed 3 selfloop flow, removed 0 redundant places. [2021-04-28 19:38:01,626 INFO L241 Difference]: Finished difference. Result has 78 places, 83 transitions, 575 flow [2021-04-28 19:38:01,626 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=576, PETRI_DIFFERENCE_MINUEND_PLACES=74, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=575, PETRI_PLACES=78, PETRI_TRANSITIONS=83} [2021-04-28 19:38:01,626 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -50 predicate places. [2021-04-28 19:38:01,626 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:38:01,627 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 83 transitions, 575 flow [2021-04-28 19:38:01,627 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 83 transitions, 575 flow [2021-04-28 19:38:01,628 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 83 transitions, 575 flow [2021-04-28 19:38:03,214 INFO L129 PetriNetUnfolder]: 10411/17330 cut-off events. [2021-04-28 19:38:03,215 INFO L130 PetriNetUnfolder]: For 6148/16001 co-relation queries the response was YES. [2021-04-28 19:38:03,273 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49491 conditions, 17330 events. 10411/17330 cut-off events. For 6148/16001 co-relation queries the response was YES. Maximal size of possible extension queue 3796. Compared 171903 event pairs, 5080 based on Foata normal form. 11/5123 useless extension candidates. Maximal degree in co-relation 49463. Up to 15898 conditions per place. [2021-04-28 19:38:03,421 INFO L146 LiptonReduction]: Number of co-enabled transitions 2248 [2021-04-28 19:38:03,495 INFO L158 LiptonReduction]: Checked pairs total: 1752 [2021-04-28 19:38:03,495 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:38:03,495 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1869 [2021-04-28 19:38:03,497 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 83 transitions, 575 flow [2021-04-28 19:38:03,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 212.5) internal successors, (850), 4 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:03,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:38:03,498 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:38:03,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 19:38:03,498 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:38:03,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:38:03,498 INFO L82 PathProgramCache]: Analyzing trace with hash 926667211, now seen corresponding path program 2 times [2021-04-28 19:38:03,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:38:03,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171493112] [2021-04-28 19:38:03,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:38:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:38:03,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:03,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:03,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:03,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:03,557 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:03,558 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:38:03,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:03,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:38:03,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:38:03,567 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171493112] [2021-04-28 19:38:03,567 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:38:03,567 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 19:38:03,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009260196] [2021-04-28 19:38:03,568 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 19:38:03,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:38:03,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 19:38:03,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 19:38:03,571 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:38:03,572 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 83 transitions, 575 flow. Second operand has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:03,572 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:38:03,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:38:03,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:38:05,850 INFO L129 PetriNetUnfolder]: 11814/21361 cut-off events. [2021-04-28 19:38:05,850 INFO L130 PetriNetUnfolder]: For 9587/51248 co-relation queries the response was YES. [2021-04-28 19:38:05,905 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81214 conditions, 21361 events. 11814/21361 cut-off events. For 9587/51248 co-relation queries the response was YES. Maximal size of possible extension queue 5508. Compared 227328 event pairs, 1170 based on Foata normal form. 675/7649 useless extension candidates. Maximal degree in co-relation 81184. Up to 19186 conditions per place. [2021-04-28 19:38:05,935 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 19 selfloop transitions, 50 changer transitions 11/118 dead transitions. [2021-04-28 19:38:05,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 118 transitions, 922 flow [2021-04-28 19:38:05,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 19:38:05,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 19:38:05,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1695 transitions. [2021-04-28 19:38:05,942 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7337662337662337 [2021-04-28 19:38:05,942 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1695 transitions. [2021-04-28 19:38:05,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1695 transitions. [2021-04-28 19:38:05,943 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:38:05,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1695 transitions. [2021-04-28 19:38:05,949 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 242.14285714285714) internal successors, (1695), 7 states have internal predecessors, (1695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:05,954 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:05,955 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 330.0) internal successors, (2640), 8 states have internal predecessors, (2640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:05,955 INFO L185 Difference]: Start difference. First operand has 78 places, 83 transitions, 575 flow. Second operand 7 states and 1695 transitions. [2021-04-28 19:38:05,955 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 118 transitions, 922 flow [2021-04-28 19:38:06,004 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 118 transitions, 890 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 19:38:06,007 INFO L241 Difference]: Finished difference. Result has 85 places, 105 transitions, 855 flow [2021-04-28 19:38:06,008 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=543, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=83, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=35, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=855, PETRI_PLACES=85, PETRI_TRANSITIONS=105} [2021-04-28 19:38:06,008 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -43 predicate places. [2021-04-28 19:38:06,008 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:38:06,008 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 105 transitions, 855 flow [2021-04-28 19:38:06,009 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 105 transitions, 855 flow [2021-04-28 19:38:06,010 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 105 transitions, 855 flow [2021-04-28 19:38:07,158 INFO L129 PetriNetUnfolder]: 5806/11988 cut-off events. [2021-04-28 19:38:07,158 INFO L130 PetriNetUnfolder]: For 16954/41085 co-relation queries the response was YES. [2021-04-28 19:38:07,189 INFO L84 FinitePrefix]: Finished finitePrefix Result has 50789 conditions, 11988 events. 5806/11988 cut-off events. For 16954/41085 co-relation queries the response was YES. Maximal size of possible extension queue 2928. Compared 136854 event pairs, 964 based on Foata normal form. 1/3695 useless extension candidates. Maximal degree in co-relation 50758. Up to 10546 conditions per place. [2021-04-28 19:38:07,266 INFO L146 LiptonReduction]: Number of co-enabled transitions 2506 [2021-04-28 19:38:07,369 INFO L158 LiptonReduction]: Checked pairs total: 3201 [2021-04-28 19:38:07,370 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 19:38:07,370 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1362 [2021-04-28 19:38:07,371 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 105 transitions, 855 flow [2021-04-28 19:38:07,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 231.8) internal successors, (1159), 5 states have internal predecessors, (1159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:07,372 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:38:07,372 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:38:07,372 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 19:38:07,372 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:38:07,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:38:07,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1762659425, now seen corresponding path program 1 times [2021-04-28 19:38:07,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:38:07,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [924427656] [2021-04-28 19:38:07,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:38:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:38:07,492 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:07,493 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:07,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:07,498 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:07,502 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:07,503 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:07,509 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:07,509 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 19:38:07,517 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:07,518 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 19:38:07,518 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:38:07,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [924427656] [2021-04-28 19:38:07,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:38:07,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:38:07,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220326495] [2021-04-28 19:38:07,520 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 19:38:07,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:38:07,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 19:38:07,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 19:38:07,523 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 231 out of 330 [2021-04-28 19:38:07,525 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 105 transitions, 855 flow. Second operand has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:07,525 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:38:07,525 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 231 of 330 [2021-04-28 19:38:07,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:38:09,138 INFO L129 PetriNetUnfolder]: 5164/11883 cut-off events. [2021-04-28 19:38:09,139 INFO L130 PetriNetUnfolder]: For 19561/125678 co-relation queries the response was YES. [2021-04-28 19:38:09,173 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61250 conditions, 11883 events. 5164/11883 cut-off events. For 19561/125678 co-relation queries the response was YES. Maximal size of possible extension queue 3204. Compared 144014 event pairs, 0 based on Foata normal form. 525/4194 useless extension candidates. Maximal degree in co-relation 61217. Up to 10336 conditions per place. [2021-04-28 19:38:09,182 INFO L132 encePairwiseOnDemand]: 313/330 looper letters, 2 selfloop transitions, 28 changer transitions 72/123 dead transitions. [2021-04-28 19:38:09,182 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 123 transitions, 1141 flow [2021-04-28 19:38:09,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 19:38:09,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 19:38:09,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2163 transitions. [2021-04-28 19:38:09,189 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7282828282828283 [2021-04-28 19:38:09,189 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2163 transitions. [2021-04-28 19:38:09,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2163 transitions. [2021-04-28 19:38:09,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:38:09,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2163 transitions. [2021-04-28 19:38:09,197 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 240.33333333333334) internal successors, (2163), 9 states have internal predecessors, (2163), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:09,203 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:09,205 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 330.0) internal successors, (3300), 10 states have internal predecessors, (3300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:09,205 INFO L185 Difference]: Start difference. First operand has 85 places, 105 transitions, 855 flow. Second operand 9 states and 2163 transitions. [2021-04-28 19:38:09,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 123 transitions, 1141 flow [2021-04-28 19:38:10,611 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 88 places, 123 transitions, 1001 flow, removed 43 selfloop flow, removed 5 redundant places. [2021-04-28 19:38:10,613 INFO L241 Difference]: Finished difference. Result has 91 places, 51 transitions, 382 flow [2021-04-28 19:38:10,613 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=330, PETRI_DIFFERENCE_MINUEND_FLOW=716, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=77, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=382, PETRI_PLACES=91, PETRI_TRANSITIONS=51} [2021-04-28 19:38:10,614 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -37 predicate places. [2021-04-28 19:38:10,614 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:38:10,614 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 91 places, 51 transitions, 382 flow [2021-04-28 19:38:10,614 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 91 places, 51 transitions, 382 flow [2021-04-28 19:38:10,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 51 transitions, 382 flow [2021-04-28 19:38:10,644 INFO L129 PetriNetUnfolder]: 81/246 cut-off events. [2021-04-28 19:38:10,644 INFO L130 PetriNetUnfolder]: For 838/1000 co-relation queries the response was YES. [2021-04-28 19:38:10,645 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1222 conditions, 246 events. 81/246 cut-off events. For 838/1000 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1439 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 1190. Up to 136 conditions per place. [2021-04-28 19:38:10,648 INFO L146 LiptonReduction]: Number of co-enabled transitions 534 [2021-04-28 19:38:10,841 INFO L158 LiptonReduction]: Checked pairs total: 1233 [2021-04-28 19:38:10,841 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 19:38:10,841 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 227 [2021-04-28 19:38:10,844 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 51 transitions, 382 flow [2021-04-28 19:38:10,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 231.83333333333334) internal successors, (1391), 6 states have internal predecessors, (1391), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:10,844 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:38:10,845 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:38:10,845 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 19:38:10,845 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:38:10,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:38:10,845 INFO L82 PathProgramCache]: Analyzing trace with hash 1114010950, now seen corresponding path program 1 times [2021-04-28 19:38:10,846 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:38:10,846 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [546756991] [2021-04-28 19:38:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:38:10,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 19:38:10,983 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 19:38:10,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 19:38:10,990 INFO L142 QuantifierPusher]: treesize reduction 9, result has 66.7 percent of original size [2021-04-28 19:38:10,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 19:38:11,009 INFO L142 QuantifierPusher]: treesize reduction 37, result has 46.4 percent of original size [2021-04-28 19:38:11,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-04-28 19:38:11,039 INFO L142 QuantifierPusher]: treesize reduction 26, result has 56.7 percent of original size [2021-04-28 19:38:11,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-04-28 19:38:11,070 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 19:38:11,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 19:38:11,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 19:38:11,087 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [546756991] [2021-04-28 19:38:11,087 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 19:38:11,088 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 19:38:11,088 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795417216] [2021-04-28 19:38:11,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 19:38:11,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 19:38:11,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 19:38:11,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-04-28 19:38:11,092 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 150 out of 331 [2021-04-28 19:38:11,093 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 51 transitions, 382 flow. Second operand has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:11,094 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 19:38:11,094 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 150 of 331 [2021-04-28 19:38:11,094 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 19:38:11,425 INFO L129 PetriNetUnfolder]: 208/554 cut-off events. [2021-04-28 19:38:11,426 INFO L130 PetriNetUnfolder]: For 1906/2091 co-relation queries the response was YES. [2021-04-28 19:38:11,427 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2755 conditions, 554 events. 208/554 cut-off events. For 1906/2091 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 3646 event pairs, 2 based on Foata normal form. 29/319 useless extension candidates. Maximal degree in co-relation 2721. Up to 325 conditions per place. [2021-04-28 19:38:11,429 INFO L132 encePairwiseOnDemand]: 321/331 looper letters, 8 selfloop transitions, 6 changer transitions 16/65 dead transitions. [2021-04-28 19:38:11,429 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 80 places, 65 transitions, 515 flow [2021-04-28 19:38:11,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 19:38:11,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 19:38:11,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1228 transitions. [2021-04-28 19:38:11,435 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4637462235649547 [2021-04-28 19:38:11,435 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1228 transitions. [2021-04-28 19:38:11,435 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1228 transitions. [2021-04-28 19:38:11,437 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 19:38:11,437 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1228 transitions. [2021-04-28 19:38:11,440 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 153.5) internal successors, (1228), 8 states have internal predecessors, (1228), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:11,446 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:11,447 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 331.0) internal successors, (2979), 9 states have internal predecessors, (2979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:11,447 INFO L185 Difference]: Start difference. First operand has 73 places, 51 transitions, 382 flow. Second operand 8 states and 1228 transitions. [2021-04-28 19:38:11,447 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 80 places, 65 transitions, 515 flow [2021-04-28 19:38:11,466 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 65 transitions, 295 flow, removed 50 selfloop flow, removed 25 redundant places. [2021-04-28 19:38:11,467 INFO L241 Difference]: Finished difference. Result has 59 places, 47 transitions, 232 flow [2021-04-28 19:38:11,467 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=331, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=232, PETRI_PLACES=59, PETRI_TRANSITIONS=47} [2021-04-28 19:38:11,468 INFO L343 CegarLoopForPetriNet]: 128 programPoint places, -69 predicate places. [2021-04-28 19:38:11,468 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 19:38:11,468 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 47 transitions, 232 flow [2021-04-28 19:38:11,468 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 47 transitions, 232 flow [2021-04-28 19:38:11,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 53 places, 47 transitions, 232 flow [2021-04-28 19:38:11,496 INFO L129 PetriNetUnfolder]: 81/242 cut-off events. [2021-04-28 19:38:11,496 INFO L130 PetriNetUnfolder]: For 107/107 co-relation queries the response was YES. [2021-04-28 19:38:11,497 INFO L84 FinitePrefix]: Finished finitePrefix Result has 589 conditions, 242 events. 81/242 cut-off events. For 107/107 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1295 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 574. Up to 109 conditions per place. [2021-04-28 19:38:11,499 INFO L146 LiptonReduction]: Number of co-enabled transitions 278 [2021-04-28 19:38:11,626 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:38:11,774 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 19:38:12,055 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 19:38:12,338 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 19:38:13,458 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 212 DAG size of output: 172 [2021-04-28 19:38:14,013 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification that was a NOOP. DAG size: 170 [2021-04-28 19:38:16,200 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 296 DAG size of output: 252 [2021-04-28 19:38:17,271 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 249 [2021-04-28 19:38:17,417 INFO L158 LiptonReduction]: Checked pairs total: 384 [2021-04-28 19:38:17,418 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 19:38:17,418 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5950 [2021-04-28 19:38:17,419 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 47 transitions, 232 flow [2021-04-28 19:38:17,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 151.85714285714286) internal successors, (1063), 7 states have internal predecessors, (1063), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 19:38:17,420 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 19:38:17,420 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 19:38:17,420 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 19:38:17,420 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 19:38:17,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 19:38:17,421 INFO L82 PathProgramCache]: Analyzing trace with hash -449315457, now seen corresponding path program 1 times [2021-04-28 19:38:17,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 19:38:17,421 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411793078] [2021-04-28 19:38:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 19:38:17,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:38:17,479 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:38:17,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 19:38:17,547 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 19:38:17,584 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 19:38:17,584 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 19:38:17,584 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 19:38:17,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 07:38:17 BasicIcfg [2021-04-28 19:38:17,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 19:38:17,693 INFO L168 Benchmark]: Toolchain (without parser) took 58032.79 ms. Allocated memory was 302.0 MB in the beginning and 10.0 GB in the end (delta: 9.7 GB). Free memory was 276.4 MB in the beginning and 9.1 GB in the end (delta: -8.8 GB). Peak memory consumption was 951.2 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,694 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 19:38:17,694 INFO L168 Benchmark]: CACSL2BoogieTranslator took 802.18 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 263.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,694 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.15 ms. Allocated memory is still 302.0 MB. Free memory was 263.3 MB in the beginning and 261.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,695 INFO L168 Benchmark]: Boogie Preprocessor took 50.59 ms. Allocated memory is still 302.0 MB. Free memory was 261.2 MB in the beginning and 259.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,695 INFO L168 Benchmark]: RCFGBuilder took 2091.36 ms. Allocated memory is still 302.0 MB. Free memory was 259.1 MB in the beginning and 170.4 MB in the end (delta: 88.8 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,695 INFO L168 Benchmark]: TraceAbstraction took 54969.51 ms. Allocated memory was 302.0 MB in the beginning and 10.0 GB in the end (delta: 9.7 GB). Free memory was 169.3 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 844.6 MB. Max. memory is 16.0 GB. [2021-04-28 19:38:17,697 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 302.0 MB. Free memory is still 272.8 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 802.18 ms. Allocated memory is still 302.0 MB. Free memory was 273.1 MB in the beginning and 263.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.15 ms. Allocated memory is still 302.0 MB. Free memory was 263.3 MB in the beginning and 261.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 50.59 ms. Allocated memory is still 302.0 MB. Free memory was 261.2 MB in the beginning and 259.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2091.36 ms. Allocated memory is still 302.0 MB. Free memory was 259.1 MB in the beginning and 170.4 MB in the end (delta: 88.8 MB). Peak memory consumption was 123.4 MB. Max. memory is 16.0 GB. * TraceAbstraction took 54969.51 ms. Allocated memory was 302.0 MB in the beginning and 10.0 GB in the end (delta: 9.7 GB). Free memory was 169.3 MB in the beginning and 9.1 GB in the end (delta: -8.9 GB). Peak memory consumption was 844.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 27440.1ms, 104 PlacesBefore, 128 PlacesAfterwards, 96 TransitionsBefore, 119 TransitionsAfterwards, 1778 CoEnabledTransitionPairs, 8 FixpointIterations, 137 TrivialSequentialCompositions, 92 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 231 TotalNumberOfCompositions, 16571 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5366, positive: 5084, positive conditional: 5084, positive unconditional: 0, negative: 282, negative conditional: 282, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2141, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2141, positive: 2068, positive conditional: 0, positive unconditional: 2068, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2141, positive: 2039, positive conditional: 0, positive unconditional: 2039, negative: 102, negative conditional: 0, negative unconditional: 102, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 102, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1007, positive: 102, positive conditional: 0, positive unconditional: 102, negative: 904, negative conditional: 0, negative unconditional: 904, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5366, positive: 3016, positive conditional: 3016, positive unconditional: 0, negative: 209, negative conditional: 209, negative unconditional: 0, unknown: 2141, unknown conditional: 2141, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2134, Positive cache size: 2061, Positive conditional cache size: 2061, Positive unconditional cache size: 0, Negative cache size: 73, Negative conditional cache size: 73, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 369.3ms, 124 PlacesBefore, 75 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 2046 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 2750 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 602, positive: 520, positive conditional: 520, positive unconditional: 0, negative: 82, negative conditional: 82, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 197, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 197, positive: 171, positive conditional: 0, positive unconditional: 171, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 197, positive: 159, positive conditional: 0, positive unconditional: 159, negative: 38, negative conditional: 0, negative unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 38, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 345, positive: 68, positive conditional: 0, positive unconditional: 68, negative: 277, negative conditional: 0, negative unconditional: 277, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 602, positive: 349, positive conditional: 349, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 197, unknown conditional: 197, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2331, Positive cache size: 2232, Positive conditional cache size: 2232, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 66.0ms, 77 PlacesBefore, 53 PlacesAfterwards, 48 TransitionsBefore, 48 TransitionsAfterwards, 1218 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 764 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 137, positive: 114, positive conditional: 114, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 15, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 15, positive unconditional: 25, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 137, positive: 74, positive conditional: 74, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 40, unknown conditional: 40, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2371, Positive cache size: 2272, Positive conditional cache size: 2272, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 51.2ms, 57 PlacesBefore, 57 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1312 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 831 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 146, positive: 122, positive conditional: 122, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 14, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 14, positive unconditional: 15, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 29, positive: 29, positive conditional: 0, positive unconditional: 29, 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: 146, positive: 93, positive conditional: 93, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 29, unknown conditional: 29, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2400, Positive cache size: 2301, Positive conditional cache size: 2301, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 59.1ms, 61 PlacesBefore, 61 PlacesAfterwards, 57 TransitionsBefore, 57 TransitionsAfterwards, 1486 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 981 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 175, positive: 148, positive conditional: 148, 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: 46, positive: 46, positive conditional: 13, positive unconditional: 33, 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: 46, positive: 46, positive conditional: 13, positive unconditional: 33, 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: 46, positive: 46, positive conditional: 0, positive unconditional: 46, 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: 175, positive: 102, positive conditional: 102, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 46, unknown conditional: 46, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2446, Positive cache size: 2347, Positive conditional cache size: 2347, Positive unconditional cache size: 0, Negative cache size: 99, Negative conditional cache size: 99, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1781.2ms, 68 PlacesBefore, 68 PlacesAfterwards, 81 TransitionsBefore, 81 TransitionsAfterwards, 2148 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1782 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 294, positive: 261, positive conditional: 261, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 13, positive unconditional: 5, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 105, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 294, positive: 243, positive conditional: 243, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2468, Positive cache size: 2365, Positive conditional cache size: 2365, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1582.9ms, 74 PlacesBefore, 74 PlacesAfterwards, 86 TransitionsBefore, 86 TransitionsAfterwards, 2490 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1863 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 255, positive: 222, positive conditional: 222, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 255, positive: 218, positive conditional: 218, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2472, Positive cache size: 2369, Positive conditional cache size: 2369, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1868.1ms, 78 PlacesBefore, 78 PlacesAfterwards, 83 TransitionsBefore, 83 TransitionsAfterwards, 2248 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1752 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 229, positive: 197, positive conditional: 197, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , 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: 229, positive: 195, positive conditional: 195, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2474, Positive cache size: 2371, Positive conditional cache size: 2371, Positive unconditional cache size: 0, Negative cache size: 103, Negative conditional cache size: 103, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1361.0ms, 85 PlacesBefore, 85 PlacesAfterwards, 105 TransitionsBefore, 105 TransitionsAfterwards, 2506 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1030, positive: 981, positive conditional: 981, positive unconditional: 0, negative: 49, negative conditional: 49, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 67, positive: 65, positive conditional: 43, positive unconditional: 22, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 67, positive: 65, positive conditional: 43, positive unconditional: 22, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 67, positive: 65, positive conditional: 0, positive unconditional: 65, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 54, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1030, positive: 916, positive conditional: 916, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 67, unknown conditional: 67, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2541, Positive cache size: 2436, Positive conditional cache size: 2436, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 226.8ms, 91 PlacesBefore, 73 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 534 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1233 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 414, positive: 360, positive conditional: 360, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 20, positive conditional: 15, positive unconditional: 5, 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: 20, positive: 20, positive conditional: 15, positive unconditional: 5, 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: 20, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 414, positive: 340, positive conditional: 340, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2561, Positive cache size: 2456, Positive conditional cache size: 2456, Positive unconditional cache size: 0, Negative cache size: 105, Negative conditional cache size: 105, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5949.3ms, 59 PlacesBefore, 53 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 278 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 384 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 312, positive: 294, positive conditional: 294, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 18, positive conditional: 15, positive unconditional: 3, 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: 19, positive: 18, positive conditional: 15, positive unconditional: 3, 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: 19, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 137, positive: 110, positive conditional: 110, positive unconditional: 0, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 312, positive: 276, positive conditional: 276, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2580, Positive cache size: 2474, Positive conditional cache size: 2474, Positive unconditional cache size: 0, Negative cache size: 106, Negative conditional cache size: 106, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p2_EAX = 0; [L713] 0 int __unbuffered_p2_EBX = 0; [L714] 0 _Bool main$tmp_guard0; [L715] 0 _Bool main$tmp_guard1; [L717] 0 int x = 0; [L719] 0 int y = 0; [L721] 0 int z = 0; [L722] 0 _Bool z$flush_delayed; [L723] 0 int z$mem_tmp; [L724] 0 _Bool z$r_buff0_thd0; [L725] 0 _Bool z$r_buff0_thd1; [L726] 0 _Bool z$r_buff0_thd2; [L727] 0 _Bool z$r_buff0_thd3; [L728] 0 _Bool z$r_buff1_thd0; [L729] 0 _Bool z$r_buff1_thd1; [L730] 0 _Bool z$r_buff1_thd2; [L731] 0 _Bool z$r_buff1_thd3; [L732] 0 _Bool z$read_delayed; [L733] 0 int *z$read_delayed_var; [L734] 0 int z$w_buff0; [L735] 0 _Bool z$w_buff0_used; [L736] 0 int z$w_buff1; [L737] 0 _Bool z$w_buff1_used; [L738] 0 _Bool weak$$choice0; [L739] 0 _Bool weak$$choice2; [L836] 0 pthread_t t757; [L837] FCALL, FORK 0 pthread_create(&t757, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L743] 1 z$w_buff1 = z$w_buff0 [L744] 1 z$w_buff0 = 1 [L745] 1 z$w_buff1_used = z$w_buff0_used [L746] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L748] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L749] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L750] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L751] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L752] 1 z$r_buff0_thd1 = (_Bool)1 [L755] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L838] 0 pthread_t t758; [L839] FCALL, FORK 0 pthread_create(&t758, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L775] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L840] 0 pthread_t t759; [L841] FCALL, FORK 0 pthread_create(&t759, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L778] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L778] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L779] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L779] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L780] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L781] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L782] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L792] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L795] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L798] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L799] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L800] 3 z$flush_delayed = weak$$choice2 [L801] 3 z$mem_tmp = z [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L802] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L803] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L803] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L803] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L804] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L804] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L804] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L805] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L805] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L805] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L806] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L806] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L807] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L807] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L808] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L808] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L809] 3 __unbuffered_p2_EBX = z [L810] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L810] 3 z = z$flush_delayed ? z$mem_tmp : z [L811] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L815] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L816] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L817] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L818] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L818] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L758] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L758] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L759] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L759] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L760] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L761] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L762] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L765] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L767] 1 return 0; VAL [__unbuffered_cnt=1, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L785] 2 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [__unbuffered_cnt=2, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L821] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L823] 3 return 0; [L843] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L847] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L849] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L851] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L851] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L854] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 2 && __unbuffered_p2_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=2, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.1ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 54716.9ms, OverallIterations: 11, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 12248.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27540.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 110 SDtfs, 101 SDslu, 49 SDs, 0 SdLazy, 402 SolverSat, 187 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 626.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 370.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=855occurred in iteration=8, InterpolantAutomatonStates: 51, 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: 37.4ms SsaConstructionTime, 442.8ms SatisfiabilityAnalysisTime, 744.5ms InterpolantComputationTime, 151 NumberOfCodeBlocks, 151 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 120 ConstructedInterpolants, 0 QuantifiedInterpolants, 852 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 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...