/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/mix047_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-26 00:20:41,434 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-26 00:20:41,437 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-26 00:20:41,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-26 00:20:41,483 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-26 00:20:41,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-26 00:20:41,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-26 00:20:41,488 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-26 00:20:41,490 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-26 00:20:41,491 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-26 00:20:41,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-26 00:20:41,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-26 00:20:41,498 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-26 00:20:41,499 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-26 00:20:41,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-26 00:20:41,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-26 00:20:41,506 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-26 00:20:41,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-26 00:20:41,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-26 00:20:41,513 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-26 00:20:41,514 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-03-26 00:20:41,541 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-26 00:20:41,542 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-26 00:20:41,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * Use SBE=true [2021-03-26 00:20:41,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-26 00:20:41,545 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-26 00:20:41,546 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-26 00:20:41,547 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:20:41,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-26 00:20:41,547 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-26 00:20:41,548 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-26 00:20:41,548 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-03-26 00:20:41,548 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-26 00:20:41,548 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-26 00:20:41,548 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-26 00:20:41,801 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-26 00:20:41,815 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-26 00:20:41,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-26 00:20:41,817 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-26 00:20:41,818 INFO L275 PluginConnector]: CDTParser initialized [2021-03-26 00:20:41,819 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix047_pso.oepc.i [2021-03-26 00:20:41,868 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4160ee17b/f772a05903c24c78b951d01e8941087a/FLAG8511b8767 [2021-03-26 00:20:42,320 INFO L306 CDTParser]: Found 1 translation units. [2021-03-26 00:20:42,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix047_pso.oepc.i [2021-03-26 00:20:42,331 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4160ee17b/f772a05903c24c78b951d01e8941087a/FLAG8511b8767 [2021-03-26 00:20:42,342 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4160ee17b/f772a05903c24c78b951d01e8941087a [2021-03-26 00:20:42,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-26 00:20:42,345 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-26 00:20:42,346 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-26 00:20:42,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-26 00:20:42,349 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-26 00:20:42,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,350 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b0fa245 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42, skipping insertion in model container [2021-03-26 00:20:42,350 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,358 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-26 00:20:42,382 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-26 00:20:42,515 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/mix047_pso.oepc.i[949,962] [2021-03-26 00:20:42,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:20:42,714 INFO L203 MainTranslator]: Completed pre-run [2021-03-26 00:20:42,720 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/mix047_pso.oepc.i[949,962] [2021-03-26 00:20:42,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-26 00:20:42,818 INFO L208 MainTranslator]: Completed translation [2021-03-26 00:20:42,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42 WrapperNode [2021-03-26 00:20:42,819 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-26 00:20:42,821 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-26 00:20:42,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-26 00:20:42,821 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-26 00:20:42,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,856 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,872 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-26 00:20:42,873 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-26 00:20:42,873 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-26 00:20:42,873 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-26 00:20:42,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... [2021-03-26 00:20:42,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-26 00:20:42,898 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-26 00:20:42,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-26 00:20:42,898 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-26 00:20:42,899 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-26 00:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-26 00:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-26 00:20:42,976 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-26 00:20:42,976 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-26 00:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-26 00:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-26 00:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-26 00:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-26 00:20:42,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-26 00:20:42,977 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-26 00:20:42,978 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-26 00:20:44,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-26 00:20:44,538 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-26 00:20:44,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:20:44 BoogieIcfgContainer [2021-03-26 00:20:44,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-26 00:20:44,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-26 00:20:44,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-26 00:20:44,543 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-26 00:20:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.03 12:20:42" (1/3) ... [2021-03-26 00:20:44,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228ffe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:20:44, skipping insertion in model container [2021-03-26 00:20:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.03 12:20:42" (2/3) ... [2021-03-26 00:20:44,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@228ffe89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.03 12:20:44, skipping insertion in model container [2021-03-26 00:20:44,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.03 12:20:44" (3/3) ... [2021-03-26 00:20:44,544 INFO L111 eAbstractionObserver]: Analyzing ICFG mix047_pso.oepc.i [2021-03-26 00:20:44,548 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-26 00:20:44,551 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-26 00:20:44,551 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-26 00:20:44,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,577 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,577 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,578 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,579 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,580 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,581 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,582 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,583 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,584 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,585 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,586 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,587 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,588 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,589 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,591 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,592 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,593 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,595 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,596 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,598 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,599 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,600 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,601 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,601 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,601 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,602 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,603 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,604 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,605 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-26 00:20:44,606 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-26 00:20:44,618 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-26 00:20:44,630 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-26 00:20:44,630 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-26 00:20:44,630 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-26 00:20:44,630 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-26 00:20:44,630 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-26 00:20:44,630 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-26 00:20:44,630 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-26 00:20:44,630 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-26 00:20:44,637 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-03-26 00:20:44,663 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-26 00:20:44,663 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:44,666 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-26 00:20:44,666 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-03-26 00:20:44,670 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-03-26 00:20:44,670 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:44,678 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-26 00:20:44,680 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-03-26 00:20:44,682 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-03-26 00:20:44,695 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-03-26 00:20:44,695 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:44,696 INFO L84 FinitePrefix]: Finished finitePrefix Result has 127 conditions, 114 events. 2/114 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 89 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-26 00:20:44,698 INFO L142 LiptonReduction]: Number of co-enabled transitions 2876 [2021-03-26 00:20:45,885 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-26 00:20:46,200 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-26 00:20:46,324 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-26 00:20:47,822 INFO L154 LiptonReduction]: Checked pairs total: 5579 [2021-03-26 00:20:47,822 INFO L156 LiptonReduction]: Total number of compositions: 77 [2021-03-26 00:20:47,824 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3154 [2021-03-26 00:20:47,830 INFO L129 PetriNetUnfolder]: 0/12 cut-off events. [2021-03-26 00:20:47,830 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:47,830 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:47,831 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:47,831 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:47,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:47,834 INFO L82 PathProgramCache]: Analyzing trace with hash -410713375, now seen corresponding path program 1 times [2021-03-26 00:20:47,840 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:47,840 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197829431] [2021-03-26 00:20:47,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:48,008 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:48,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:48,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:48,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:48,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:48,015 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197829431] [2021-03-26 00:20:48,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:48,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:20:48,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671830475] [2021-03-26 00:20:48,021 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-26 00:20:48,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:48,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-26 00:20:48,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-26 00:20:48,031 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 173 out of 195 [2021-03-26 00:20:48,035 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 46 transitions, 104 flow. Second operand has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:48,036 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:48,036 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 173 of 195 [2021-03-26 00:20:48,036 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:48,160 INFO L129 PetriNetUnfolder]: 133/368 cut-off events. [2021-03-26 00:20:48,160 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:48,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 587 conditions, 368 events. 133/368 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1997 event pairs, 110 based on Foata normal form. 32/370 useless extension candidates. Maximal degree in co-relation 567. Up to 153 conditions per place. [2021-03-26 00:20:48,166 INFO L132 encePairwiseOnDemand]: 191/195 looper letters, 11 selfloop transitions, 2 changer transitions 0/48 dead transitions. [2021-03-26 00:20:48,166 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 48 transitions, 134 flow [2021-03-26 00:20:48,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-26 00:20:48,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-26 00:20:48,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 535 transitions. [2021-03-26 00:20:48,181 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9145299145299145 [2021-03-26 00:20:48,181 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 535 transitions. [2021-03-26 00:20:48,181 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 535 transitions. [2021-03-26 00:20:48,184 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:48,185 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 535 transitions. [2021-03-26 00:20:48,189 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 178.33333333333334) internal successors, (535), 3 states have internal predecessors, (535), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:48,196 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:48,197 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 195.0) internal successors, (780), 4 states have internal predecessors, (780), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:48,198 INFO L185 Difference]: Start difference. First operand has 58 places, 46 transitions, 104 flow. Second operand 3 states and 535 transitions. [2021-03-26 00:20:48,199 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 48 transitions, 134 flow [2021-03-26 00:20:48,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 48 transitions, 130 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-26 00:20:48,202 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 98 flow [2021-03-26 00:20:48,203 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=195, PETRI_DIFFERENCE_MINUEND_FLOW=94, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-03-26 00:20:48,203 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2021-03-26 00:20:48,203 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:48,204 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 98 flow [2021-03-26 00:20:48,204 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 98 flow [2021-03-26 00:20:48,205 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 98 flow [2021-03-26 00:20:48,208 INFO L129 PetriNetUnfolder]: 0/43 cut-off events. [2021-03-26 00:20:48,208 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:48,208 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 43 events. 0/43 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-26 00:20:48,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 618 [2021-03-26 00:20:48,552 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 00:20:48,686 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-26 00:20:49,636 INFO L154 LiptonReduction]: Checked pairs total: 2656 [2021-03-26 00:20:49,636 INFO L156 LiptonReduction]: Total number of compositions: 12 [2021-03-26 00:20:49,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1433 [2021-03-26 00:20:49,639 INFO L480 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 74 flow [2021-03-26 00:20:49,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 173.66666666666666) internal successors, (521), 3 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:49,639 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:49,639 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] [2021-03-26 00:20:49,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-26 00:20:49,640 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:49,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:49,643 INFO L82 PathProgramCache]: Analyzing trace with hash 233539607, now seen corresponding path program 1 times [2021-03-26 00:20:49,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:49,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53304552] [2021-03-26 00:20:49,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:49,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:49,765 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:49,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:49,779 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:20:49,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:49,792 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-26 00:20:49,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-26 00:20:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:49,797 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53304552] [2021-03-26 00:20:49,797 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:49,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:49,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279290908] [2021-03-26 00:20:49,798 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:20:49,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:49,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:20:49,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:20:49,809 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 161 out of 207 [2021-03-26 00:20:49,809 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 74 flow. Second operand has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:49,810 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:49,810 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 161 of 207 [2021-03-26 00:20:49,810 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:49,972 INFO L129 PetriNetUnfolder]: 517/1029 cut-off events. [2021-03-26 00:20:49,972 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-26 00:20:49,974 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1832 conditions, 1029 events. 517/1029 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 125. Compared 6278 event pairs, 67 based on Foata normal form. 0/965 useless extension candidates. Maximal degree in co-relation 1820. Up to 199 conditions per place. [2021-03-26 00:20:49,977 INFO L132 encePairwiseOnDemand]: 197/207 looper letters, 14 selfloop transitions, 8 changer transitions 22/63 dead transitions. [2021-03-26 00:20:49,977 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 63 transitions, 226 flow [2021-03-26 00:20:49,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:20:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:20:49,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1173 transitions. [2021-03-26 00:20:49,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8095238095238095 [2021-03-26 00:20:49,980 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1173 transitions. [2021-03-26 00:20:49,980 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1173 transitions. [2021-03-26 00:20:49,980 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:49,980 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1173 transitions. [2021-03-26 00:20:49,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 167.57142857142858) internal successors, (1173), 7 states have internal predecessors, (1173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:49,985 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:49,985 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 207.0) internal successors, (1656), 8 states have internal predecessors, (1656), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:49,985 INFO L185 Difference]: Start difference. First operand has 42 places, 31 transitions, 74 flow. Second operand 7 states and 1173 transitions. [2021-03-26 00:20:49,985 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 63 transitions, 226 flow [2021-03-26 00:20:49,986 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 63 transitions, 222 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:49,987 INFO L241 Difference]: Finished difference. Result has 51 places, 36 transitions, 140 flow [2021-03-26 00:20:49,987 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=207, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=140, PETRI_PLACES=51, PETRI_TRANSITIONS=36} [2021-03-26 00:20:49,987 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -7 predicate places. [2021-03-26 00:20:49,988 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:49,988 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 36 transitions, 140 flow [2021-03-26 00:20:49,989 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 36 transitions, 140 flow [2021-03-26 00:20:49,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 36 transitions, 140 flow [2021-03-26 00:20:50,030 INFO L129 PetriNetUnfolder]: 215/512 cut-off events. [2021-03-26 00:20:50,030 INFO L130 PetriNetUnfolder]: For 225/283 co-relation queries the response was YES. [2021-03-26 00:20:50,031 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1232 conditions, 512 events. 215/512 cut-off events. For 225/283 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 3113 event pairs, 90 based on Foata normal form. 0/479 useless extension candidates. Maximal degree in co-relation 1218. Up to 185 conditions per place. [2021-03-26 00:20:50,035 INFO L142 LiptonReduction]: Number of co-enabled transitions 480 [2021-03-26 00:20:50,777 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 00:20:50,952 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 00:20:51,298 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 122 [2021-03-26 00:20:51,463 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2021-03-26 00:20:51,501 INFO L154 LiptonReduction]: Checked pairs total: 1068 [2021-03-26 00:20:51,501 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-26 00:20:51,502 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1513 [2021-03-26 00:20:51,502 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 136 flow [2021-03-26 00:20:51,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 161.8) internal successors, (809), 5 states have internal predecessors, (809), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,503 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:51,503 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:51,503 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-26 00:20:51,503 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:51,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:51,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1004204800, now seen corresponding path program 1 times [2021-03-26 00:20:51,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:51,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963467244] [2021-03-26 00:20:51,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:51,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:51,536 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:51,536 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:51,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:51,537 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:51,540 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:20:51,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:51,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:51,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963467244] [2021-03-26 00:20:51,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:51,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:51,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [420638917] [2021-03-26 00:20:51,551 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:51,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:51,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:51,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:51,552 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-26 00:20:51,553 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 136 flow. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,553 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:51,553 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-26 00:20:51,553 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:51,628 INFO L129 PetriNetUnfolder]: 258/662 cut-off events. [2021-03-26 00:20:51,629 INFO L130 PetriNetUnfolder]: For 462/709 co-relation queries the response was YES. [2021-03-26 00:20:51,630 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1917 conditions, 662 events. 258/662 cut-off events. For 462/709 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 4263 event pairs, 45 based on Foata normal form. 8/663 useless extension candidates. Maximal degree in co-relation 1903. Up to 228 conditions per place. [2021-03-26 00:20:51,633 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 16 selfloop transitions, 18 changer transitions 0/52 dead transitions. [2021-03-26 00:20:51,633 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 304 flow [2021-03-26 00:20:51,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:51,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 686 transitions. [2021-03-26 00:20:51,635 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205741626794258 [2021-03-26 00:20:51,635 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,635 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,635 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:51,635 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,637 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,638 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,638 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 136 flow. Second operand 4 states and 686 transitions. [2021-03-26 00:20:51,638 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 304 flow [2021-03-26 00:20:51,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 268 flow, removed 16 selfloop flow, removed 3 redundant places. [2021-03-26 00:20:51,642 INFO L241 Difference]: Finished difference. Result has 48 places, 47 transitions, 273 flow [2021-03-26 00:20:51,642 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=273, PETRI_PLACES=48, PETRI_TRANSITIONS=47} [2021-03-26 00:20:51,642 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -10 predicate places. [2021-03-26 00:20:51,642 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:51,642 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 48 places, 47 transitions, 273 flow [2021-03-26 00:20:51,643 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 48 places, 47 transitions, 273 flow [2021-03-26 00:20:51,643 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 47 transitions, 273 flow [2021-03-26 00:20:51,688 INFO L129 PetriNetUnfolder]: 251/627 cut-off events. [2021-03-26 00:20:51,688 INFO L130 PetriNetUnfolder]: For 625/658 co-relation queries the response was YES. [2021-03-26 00:20:51,690 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1829 conditions, 627 events. 251/627 cut-off events. For 625/658 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4038 event pairs, 36 based on Foata normal form. 0/618 useless extension candidates. Maximal degree in co-relation 1815. Up to 191 conditions per place. [2021-03-26 00:20:51,695 INFO L142 LiptonReduction]: Number of co-enabled transitions 682 [2021-03-26 00:20:51,753 INFO L154 LiptonReduction]: Checked pairs total: 534 [2021-03-26 00:20:51,754 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:51,754 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 112 [2021-03-26 00:20:51,756 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 47 transitions, 273 flow [2021-03-26 00:20:51,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,756 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:51,757 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:51,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-26 00:20:51,758 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:51,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:51,758 INFO L82 PathProgramCache]: Analyzing trace with hash 38519808, now seen corresponding path program 1 times [2021-03-26 00:20:51,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:51,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [862674141] [2021-03-26 00:20:51,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:51,817 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:51,817 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:51,820 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:20:51,821 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:51,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:51,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [862674141] [2021-03-26 00:20:51,829 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:51,829 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-26 00:20:51,829 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025837473] [2021-03-26 00:20:51,829 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:51,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:51,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:51,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:51,831 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-26 00:20:51,833 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 47 transitions, 273 flow. Second operand has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,833 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:51,833 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-26 00:20:51,834 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:51,916 INFO L129 PetriNetUnfolder]: 237/592 cut-off events. [2021-03-26 00:20:51,916 INFO L130 PetriNetUnfolder]: For 748/1114 co-relation queries the response was YES. [2021-03-26 00:20:51,918 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2127 conditions, 592 events. 237/592 cut-off events. For 748/1114 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3586 event pairs, 15 based on Foata normal form. 11/597 useless extension candidates. Maximal degree in co-relation 2111. Up to 193 conditions per place. [2021-03-26 00:20:51,920 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 25 selfloop transitions, 29 changer transitions 0/72 dead transitions. [2021-03-26 00:20:51,920 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 72 transitions, 570 flow [2021-03-26 00:20:51,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:51,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:51,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 686 transitions. [2021-03-26 00:20:51,922 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205741626794258 [2021-03-26 00:20:51,922 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,922 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,923 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:51,923 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 686 transitions. [2021-03-26 00:20:51,924 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,925 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,925 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:51,926 INFO L185 Difference]: Start difference. First operand has 48 places, 47 transitions, 273 flow. Second operand 4 states and 686 transitions. [2021-03-26 00:20:51,926 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 72 transitions, 570 flow [2021-03-26 00:20:51,929 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 72 transitions, 570 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:51,931 INFO L241 Difference]: Finished difference. Result has 54 places, 66 transitions, 573 flow [2021-03-26 00:20:51,931 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=273, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=573, PETRI_PLACES=54, PETRI_TRANSITIONS=66} [2021-03-26 00:20:51,931 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, -4 predicate places. [2021-03-26 00:20:51,931 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:51,931 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 66 transitions, 573 flow [2021-03-26 00:20:51,931 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 66 transitions, 573 flow [2021-03-26 00:20:51,932 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 66 transitions, 573 flow [2021-03-26 00:20:51,981 INFO L129 PetriNetUnfolder]: 236/583 cut-off events. [2021-03-26 00:20:51,981 INFO L130 PetriNetUnfolder]: For 1364/1430 co-relation queries the response was YES. [2021-03-26 00:20:51,983 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2250 conditions, 583 events. 236/583 cut-off events. For 1364/1430 co-relation queries the response was YES. Maximal size of possible extension queue 61. Compared 3620 event pairs, 28 based on Foata normal form. 2/579 useless extension candidates. Maximal degree in co-relation 2231. Up to 180 conditions per place. [2021-03-26 00:20:51,987 INFO L142 LiptonReduction]: Number of co-enabled transitions 886 [2021-03-26 00:20:52,046 INFO L154 LiptonReduction]: Checked pairs total: 1067 [2021-03-26 00:20:52,046 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:52,046 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 115 [2021-03-26 00:20:52,047 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 66 transitions, 573 flow [2021-03-26 00:20:52,048 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.25) internal successors, (665), 4 states have internal predecessors, (665), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,048 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:52,048 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:52,048 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-26 00:20:52,048 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:52,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:52,048 INFO L82 PathProgramCache]: Analyzing trace with hash 1937282334, now seen corresponding path program 1 times [2021-03-26 00:20:52,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:52,049 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890046801] [2021-03-26 00:20:52,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:52,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:52,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:52,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:52,115 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:20:52,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:52,123 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:52,124 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1890046801] [2021-03-26 00:20:52,124 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:52,124 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:52,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [944730759] [2021-03-26 00:20:52,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:52,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:52,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:52,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:52,125 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-26 00:20:52,126 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 66 transitions, 573 flow. Second operand has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,126 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:52,126 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-26 00:20:52,126 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:52,237 INFO L129 PetriNetUnfolder]: 242/675 cut-off events. [2021-03-26 00:20:52,237 INFO L130 PetriNetUnfolder]: For 1793/2360 co-relation queries the response was YES. [2021-03-26 00:20:52,239 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2926 conditions, 675 events. 242/675 cut-off events. For 1793/2360 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 4529 event pairs, 22 based on Foata normal form. 30/700 useless extension candidates. Maximal degree in co-relation 2905. Up to 206 conditions per place. [2021-03-26 00:20:52,242 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 20 selfloop transitions, 41 changer transitions 2/81 dead transitions. [2021-03-26 00:20:52,242 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 81 transitions, 851 flow [2021-03-26 00:20:52,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:52,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:52,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 685 transitions. [2021-03-26 00:20:52,243 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819377990430622 [2021-03-26 00:20:52,243 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 685 transitions. [2021-03-26 00:20:52,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 685 transitions. [2021-03-26 00:20:52,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:52,244 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 685 transitions. [2021-03-26 00:20:52,245 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.25) internal successors, (685), 4 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,247 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,247 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,247 INFO L185 Difference]: Start difference. First operand has 54 places, 66 transitions, 573 flow. Second operand 4 states and 685 transitions. [2021-03-26 00:20:52,247 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 81 transitions, 851 flow [2021-03-26 00:20:52,250 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 81 transitions, 851 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:52,252 INFO L241 Difference]: Finished difference. Result has 60 places, 75 transitions, 860 flow [2021-03-26 00:20:52,252 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=573, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=66, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=31, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=860, PETRI_PLACES=60, PETRI_TRANSITIONS=75} [2021-03-26 00:20:52,253 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 2 predicate places. [2021-03-26 00:20:52,253 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:52,253 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 75 transitions, 860 flow [2021-03-26 00:20:52,253 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 75 transitions, 860 flow [2021-03-26 00:20:52,253 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 60 places, 75 transitions, 860 flow [2021-03-26 00:20:52,312 INFO L129 PetriNetUnfolder]: 226/647 cut-off events. [2021-03-26 00:20:52,312 INFO L130 PetriNetUnfolder]: For 2480/2642 co-relation queries the response was YES. [2021-03-26 00:20:52,314 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2890 conditions, 647 events. 226/647 cut-off events. For 2480/2642 co-relation queries the response was YES. Maximal size of possible extension queue 75. Compared 4482 event pairs, 12 based on Foata normal form. 3/642 useless extension candidates. Maximal degree in co-relation 2866. Up to 192 conditions per place. [2021-03-26 00:20:52,320 INFO L142 LiptonReduction]: Number of co-enabled transitions 998 [2021-03-26 00:20:52,389 INFO L154 LiptonReduction]: Checked pairs total: 1201 [2021-03-26 00:20:52,389 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:52,389 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 136 [2021-03-26 00:20:52,391 INFO L480 AbstractCegarLoop]: Abstraction has has 60 places, 75 transitions, 860 flow [2021-03-26 00:20:52,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,391 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:52,392 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:52,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-26 00:20:52,392 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:52,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:52,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1506362432, now seen corresponding path program 1 times [2021-03-26 00:20:52,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:52,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384661462] [2021-03-26 00:20:52,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:52,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:52,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:52,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:52,451 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:20:52,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:20:52,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:52,457 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:52,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384661462] [2021-03-26 00:20:52,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:52,458 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:52,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935389843] [2021-03-26 00:20:52,458 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:52,458 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:52,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:52,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:52,459 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-26 00:20:52,460 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 60 places, 75 transitions, 860 flow. Second operand has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,460 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:52,460 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-26 00:20:52,460 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:52,718 INFO L129 PetriNetUnfolder]: 1242/2594 cut-off events. [2021-03-26 00:20:52,718 INFO L130 PetriNetUnfolder]: For 4053/4312 co-relation queries the response was YES. [2021-03-26 00:20:52,731 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7304 conditions, 2594 events. 1242/2594 cut-off events. For 4053/4312 co-relation queries the response was YES. Maximal size of possible extension queue 428. Compared 22076 event pairs, 491 based on Foata normal form. 222/2615 useless extension candidates. Maximal degree in co-relation 7278. Up to 1525 conditions per place. [2021-03-26 00:20:52,743 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 10 selfloop transitions, 10 changer transitions 0/88 dead transitions. [2021-03-26 00:20:52,743 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 88 transitions, 926 flow [2021-03-26 00:20:52,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-26 00:20:52,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-26 00:20:52,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 897 transitions. [2021-03-26 00:20:52,745 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8583732057416268 [2021-03-26 00:20:52,745 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 897 transitions. [2021-03-26 00:20:52,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 897 transitions. [2021-03-26 00:20:52,745 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:52,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 897 transitions. [2021-03-26 00:20:52,746 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 179.4) internal successors, (897), 5 states have internal predecessors, (897), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,748 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,748 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 209.0) internal successors, (1254), 6 states have internal predecessors, (1254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:52,748 INFO L185 Difference]: Start difference. First operand has 60 places, 75 transitions, 860 flow. Second operand 5 states and 897 transitions. [2021-03-26 00:20:52,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 88 transitions, 926 flow [2021-03-26 00:20:52,753 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 88 transitions, 924 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:52,755 INFO L241 Difference]: Finished difference. Result has 67 places, 84 transitions, 933 flow [2021-03-26 00:20:52,755 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=858, PETRI_DIFFERENCE_MINUEND_PLACES=60, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=75, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=69, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=933, PETRI_PLACES=67, PETRI_TRANSITIONS=84} [2021-03-26 00:20:52,756 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2021-03-26 00:20:52,756 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:52,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 84 transitions, 933 flow [2021-03-26 00:20:52,756 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 84 transitions, 933 flow [2021-03-26 00:20:52,756 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 84 transitions, 933 flow [2021-03-26 00:20:52,942 INFO L129 PetriNetUnfolder]: 1206/2495 cut-off events. [2021-03-26 00:20:52,942 INFO L130 PetriNetUnfolder]: For 4935/5690 co-relation queries the response was YES. [2021-03-26 00:20:52,955 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8726 conditions, 2495 events. 1206/2495 cut-off events. For 4935/5690 co-relation queries the response was YES. Maximal size of possible extension queue 387. Compared 20885 event pairs, 438 based on Foata normal form. 42/2321 useless extension candidates. Maximal degree in co-relation 8697. Up to 1540 conditions per place. [2021-03-26 00:20:53,039 INFO L142 LiptonReduction]: Number of co-enabled transitions 1538 [2021-03-26 00:20:54,323 INFO L154 LiptonReduction]: Checked pairs total: 2707 [2021-03-26 00:20:54,324 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:20:54,324 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1568 [2021-03-26 00:20:54,325 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 83 transitions, 927 flow [2021-03-26 00:20:54,325 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 175.75) internal successors, (703), 4 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:54,325 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:54,325 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:54,326 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-26 00:20:54,326 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:54,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:54,326 INFO L82 PathProgramCache]: Analyzing trace with hash -464334222, now seen corresponding path program 1 times [2021-03-26 00:20:54,326 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:54,326 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652402706] [2021-03-26 00:20:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:54,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:54,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:54,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:54,358 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:54,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:54,362 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:20:54,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:20:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:54,373 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652402706] [2021-03-26 00:20:54,373 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:54,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:20:54,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524263492] [2021-03-26 00:20:54,373 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:20:54,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:54,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:20:54,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:20:54,374 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-26 00:20:54,375 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 83 transitions, 927 flow. Second operand has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:54,375 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:54,375 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-26 00:20:54,375 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:54,754 INFO L129 PetriNetUnfolder]: 1574/3128 cut-off events. [2021-03-26 00:20:54,754 INFO L130 PetriNetUnfolder]: For 7276/8726 co-relation queries the response was YES. [2021-03-26 00:20:54,778 INFO L84 FinitePrefix]: Finished finitePrefix Result has 11130 conditions, 3128 events. 1574/3128 cut-off events. For 7276/8726 co-relation queries the response was YES. Maximal size of possible extension queue 459. Compared 26197 event pairs, 716 based on Foata normal form. 112/2955 useless extension candidates. Maximal degree in co-relation 11099. Up to 2056 conditions per place. [2021-03-26 00:20:54,796 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 35 selfloop transitions, 42 changer transitions 1/100 dead transitions. [2021-03-26 00:20:54,796 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 100 transitions, 1350 flow [2021-03-26 00:20:54,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:20:54,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:20:54,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 686 transitions. [2021-03-26 00:20:54,799 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8205741626794258 [2021-03-26 00:20:54,799 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 686 transitions. [2021-03-26 00:20:54,799 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 686 transitions. [2021-03-26 00:20:54,799 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:54,799 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 686 transitions. [2021-03-26 00:20:54,800 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.5) internal successors, (686), 4 states have internal predecessors, (686), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:54,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:54,802 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:54,802 INFO L185 Difference]: Start difference. First operand has 67 places, 83 transitions, 927 flow. Second operand 4 states and 686 transitions. [2021-03-26 00:20:54,802 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 100 transitions, 1350 flow [2021-03-26 00:20:54,832 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 66 places, 100 transitions, 1343 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-26 00:20:54,834 INFO L241 Difference]: Finished difference. Result has 69 places, 92 transitions, 1304 flow [2021-03-26 00:20:54,835 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=896, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=79, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1304, PETRI_PLACES=69, PETRI_TRANSITIONS=92} [2021-03-26 00:20:54,835 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 11 predicate places. [2021-03-26 00:20:54,835 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:54,835 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 92 transitions, 1304 flow [2021-03-26 00:20:54,835 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 92 transitions, 1304 flow [2021-03-26 00:20:54,836 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 92 transitions, 1304 flow [2021-03-26 00:20:55,142 INFO L129 PetriNetUnfolder]: 1539/3060 cut-off events. [2021-03-26 00:20:55,142 INFO L130 PetriNetUnfolder]: For 7071/7655 co-relation queries the response was YES. [2021-03-26 00:20:55,165 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10524 conditions, 3060 events. 1539/3060 cut-off events. For 7071/7655 co-relation queries the response was YES. Maximal size of possible extension queue 433. Compared 25815 event pairs, 685 based on Foata normal form. 14/2866 useless extension candidates. Maximal degree in co-relation 10492. Up to 2014 conditions per place. [2021-03-26 00:20:55,210 INFO L142 LiptonReduction]: Number of co-enabled transitions 1440 [2021-03-26 00:20:56,738 INFO L154 LiptonReduction]: Checked pairs total: 1356 [2021-03-26 00:20:56,738 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:20:56,738 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1903 [2021-03-26 00:20:56,739 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 92 transitions, 1304 flow [2021-03-26 00:20:56,741 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 166.5) internal successors, (666), 4 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:56,741 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:20:56,741 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:20:56,741 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-26 00:20:56,741 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:20:56,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:20:56,742 INFO L82 PathProgramCache]: Analyzing trace with hash -676578828, now seen corresponding path program 1 times [2021-03-26 00:20:56,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:20:56,742 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163867064] [2021-03-26 00:20:56,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:20:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:20:56,777 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:56,777 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:56,780 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:56,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:20:56,787 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:20:56,788 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:20:56,795 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:20:56,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:20:56,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:20:56,796 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163867064] [2021-03-26 00:20:56,796 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:20:56,796 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-26 00:20:56,796 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772029427] [2021-03-26 00:20:56,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-26 00:20:56,796 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:20:56,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-26 00:20:56,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-26 00:20:56,798 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-26 00:20:56,798 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 92 transitions, 1304 flow. Second operand has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:56,798 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:20:56,799 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-26 00:20:56,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:20:57,201 INFO L129 PetriNetUnfolder]: 1178/2630 cut-off events. [2021-03-26 00:20:57,201 INFO L130 PetriNetUnfolder]: For 6292/7965 co-relation queries the response was YES. [2021-03-26 00:20:57,221 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10960 conditions, 2630 events. 1178/2630 cut-off events. For 6292/7965 co-relation queries the response was YES. Maximal size of possible extension queue 369. Compared 22730 event pairs, 197 based on Foata normal form. 568/3078 useless extension candidates. Maximal degree in co-relation 10926. Up to 1840 conditions per place. [2021-03-26 00:20:57,235 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 10 selfloop transitions, 14 changer transitions 1/105 dead transitions. [2021-03-26 00:20:57,235 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 105 transitions, 1428 flow [2021-03-26 00:20:57,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-26 00:20:57,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-26 00:20:57,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1076 transitions. [2021-03-26 00:20:57,238 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8580542264752791 [2021-03-26 00:20:57,238 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1076 transitions. [2021-03-26 00:20:57,239 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1076 transitions. [2021-03-26 00:20:57,239 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:20:57,239 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1076 transitions. [2021-03-26 00:20:57,241 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 179.33333333333334) internal successors, (1076), 6 states have internal predecessors, (1076), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:57,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:57,245 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 209.0) internal successors, (1463), 7 states have internal predecessors, (1463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:20:57,245 INFO L185 Difference]: Start difference. First operand has 69 places, 92 transitions, 1304 flow. Second operand 6 states and 1076 transitions. [2021-03-26 00:20:57,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 105 transitions, 1428 flow [2021-03-26 00:20:57,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 105 transitions, 1426 flow, removed 1 selfloop flow, removed 0 redundant places. [2021-03-26 00:20:57,264 INFO L241 Difference]: Finished difference. Result has 77 places, 100 transitions, 1402 flow [2021-03-26 00:20:57,264 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1302, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1402, PETRI_PLACES=77, PETRI_TRANSITIONS=100} [2021-03-26 00:20:57,265 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 19 predicate places. [2021-03-26 00:20:57,265 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:20:57,265 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 100 transitions, 1402 flow [2021-03-26 00:20:57,265 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 100 transitions, 1402 flow [2021-03-26 00:20:57,266 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 100 transitions, 1402 flow [2021-03-26 00:20:57,539 INFO L129 PetriNetUnfolder]: 1156/2582 cut-off events. [2021-03-26 00:20:57,539 INFO L130 PetriNetUnfolder]: For 9387/10438 co-relation queries the response was YES. [2021-03-26 00:20:57,564 INFO L84 FinitePrefix]: Finished finitePrefix Result has 12447 conditions, 2582 events. 1156/2582 cut-off events. For 9387/10438 co-relation queries the response was YES. Maximal size of possible extension queue 338. Compared 22235 event pairs, 182 based on Foata normal form. 80/2571 useless extension candidates. Maximal degree in co-relation 12410. Up to 1807 conditions per place. [2021-03-26 00:20:57,609 INFO L142 LiptonReduction]: Number of co-enabled transitions 1972 [2021-03-26 00:21:00,392 INFO L154 LiptonReduction]: Checked pairs total: 3353 [2021-03-26 00:21:00,392 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:21:00,392 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3127 [2021-03-26 00:21:00,393 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 99 transitions, 1394 flow [2021-03-26 00:21:00,394 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 175.8) internal successors, (879), 5 states have internal predecessors, (879), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:00,394 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:21:00,394 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] [2021-03-26 00:21:00,394 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-26 00:21:00,394 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:21:00,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:21:00,394 INFO L82 PathProgramCache]: Analyzing trace with hash 422590497, now seen corresponding path program 1 times [2021-03-26 00:21:00,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:21:00,394 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678322659] [2021-03-26 00:21:00,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:21:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:21:00,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:00,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:21:00,416 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:00,417 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:00,422 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-03-26 00:21:00,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-26 00:21:00,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:21:00,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678322659] [2021-03-26 00:21:00,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:21:00,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-26 00:21:00,430 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [41002803] [2021-03-26 00:21:00,430 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-26 00:21:00,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:21:00,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-26 00:21:00,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-26 00:21:00,431 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 165 out of 209 [2021-03-26 00:21:00,431 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 99 transitions, 1394 flow. Second operand has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:00,431 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:21:00,431 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 165 of 209 [2021-03-26 00:21:00,432 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:21:00,734 INFO L129 PetriNetUnfolder]: 1308/2838 cut-off events. [2021-03-26 00:21:00,735 INFO L130 PetriNetUnfolder]: For 11672/13720 co-relation queries the response was YES. [2021-03-26 00:21:00,747 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13965 conditions, 2838 events. 1308/2838 cut-off events. For 11672/13720 co-relation queries the response was YES. Maximal size of possible extension queue 382. Compared 23859 event pairs, 294 based on Foata normal form. 153/2864 useless extension candidates. Maximal degree in co-relation 13926. Up to 1874 conditions per place. [2021-03-26 00:21:00,754 INFO L132 encePairwiseOnDemand]: 199/209 looper letters, 26 selfloop transitions, 49 changer transitions 18/119 dead transitions. [2021-03-26 00:21:00,754 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 119 transitions, 1926 flow [2021-03-26 00:21:00,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-26 00:21:00,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-26 00:21:00,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 685 transitions. [2021-03-26 00:21:00,756 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.819377990430622 [2021-03-26 00:21:00,756 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 685 transitions. [2021-03-26 00:21:00,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 685 transitions. [2021-03-26 00:21:00,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:21:00,756 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 685 transitions. [2021-03-26 00:21:00,758 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 171.25) internal successors, (685), 4 states have internal predecessors, (685), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:00,759 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:00,759 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 209.0) internal successors, (1045), 5 states have internal predecessors, (1045), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:00,759 INFO L185 Difference]: Start difference. First operand has 77 places, 99 transitions, 1394 flow. Second operand 4 states and 685 transitions. [2021-03-26 00:21:00,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 119 transitions, 1926 flow [2021-03-26 00:21:00,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 119 transitions, 1888 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-03-26 00:21:00,822 INFO L241 Difference]: Finished difference. Result has 77 places, 96 transitions, 1539 flow [2021-03-26 00:21:00,822 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1316, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=95, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=43, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=1539, PETRI_PLACES=77, PETRI_TRANSITIONS=96} [2021-03-26 00:21:00,822 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 19 predicate places. [2021-03-26 00:21:00,822 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:21:00,822 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 77 places, 96 transitions, 1539 flow [2021-03-26 00:21:00,822 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 77 places, 96 transitions, 1539 flow [2021-03-26 00:21:00,823 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 96 transitions, 1539 flow [2021-03-26 00:21:01,006 INFO L129 PetriNetUnfolder]: 1097/2457 cut-off events. [2021-03-26 00:21:01,006 INFO L130 PetriNetUnfolder]: For 8490/9120 co-relation queries the response was YES. [2021-03-26 00:21:01,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9702 conditions, 2457 events. 1097/2457 cut-off events. For 8490/9120 co-relation queries the response was YES. Maximal size of possible extension queue 315. Compared 21374 event pairs, 246 based on Foata normal form. 89/2453 useless extension candidates. Maximal degree in co-relation 9664. Up to 1472 conditions per place. [2021-03-26 00:21:01,028 INFO L142 LiptonReduction]: Number of co-enabled transitions 1556 [2021-03-26 00:21:01,811 INFO L154 LiptonReduction]: Checked pairs total: 1820 [2021-03-26 00:21:01,811 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:21:01,811 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 989 [2021-03-26 00:21:01,812 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 96 transitions, 1539 flow [2021-03-26 00:21:01,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 167.0) internal successors, (668), 4 states have internal predecessors, (668), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:01,812 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:21:01,812 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] [2021-03-26 00:21:01,812 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-26 00:21:01,812 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:21:01,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:21:01,812 INFO L82 PathProgramCache]: Analyzing trace with hash -1717421483, now seen corresponding path program 2 times [2021-03-26 00:21:01,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:21:01,813 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613394814] [2021-03-26 00:21:01,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:21:01,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:21:01,841 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:01,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:01,843 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:01,844 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:01,846 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:01,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:01,853 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:21:01,854 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:21:01,859 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:01,859 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:21:01,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:21:01,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613394814] [2021-03-26 00:21:01,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:21:01,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-26 00:21:01,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961548254] [2021-03-26 00:21:01,860 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-26 00:21:01,860 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:21:01,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-26 00:21:01,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-26 00:21:01,861 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-26 00:21:01,862 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 96 transitions, 1539 flow. Second operand has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:01,862 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:21:01,862 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-26 00:21:01,862 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:21:02,062 INFO L129 PetriNetUnfolder]: 818/2035 cut-off events. [2021-03-26 00:21:02,062 INFO L130 PetriNetUnfolder]: For 7449/9106 co-relation queries the response was YES. [2021-03-26 00:21:02,069 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9589 conditions, 2035 events. 818/2035 cut-off events. For 7449/9106 co-relation queries the response was YES. Maximal size of possible extension queue 249. Compared 17313 event pairs, 40 based on Foata normal form. 735/2695 useless extension candidates. Maximal degree in co-relation 9549. Up to 1290 conditions per place. [2021-03-26 00:21:02,072 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 6 selfloop transitions, 18 changer transitions 20/109 dead transitions. [2021-03-26 00:21:02,072 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 109 transitions, 1697 flow [2021-03-26 00:21:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-26 00:21:02,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-26 00:21:02,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1255 transitions. [2021-03-26 00:21:02,074 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8578263841421736 [2021-03-26 00:21:02,074 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1255 transitions. [2021-03-26 00:21:02,074 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1255 transitions. [2021-03-26 00:21:02,075 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:21:02,075 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1255 transitions. [2021-03-26 00:21:02,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 179.28571428571428) internal successors, (1255), 7 states have internal predecessors, (1255), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:02,081 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:02,081 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 209.0) internal successors, (1672), 8 states have internal predecessors, (1672), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:02,081 INFO L185 Difference]: Start difference. First operand has 77 places, 96 transitions, 1539 flow. Second operand 7 states and 1255 transitions. [2021-03-26 00:21:02,081 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 109 transitions, 1697 flow [2021-03-26 00:21:02,093 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 109 transitions, 1684 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-03-26 00:21:02,094 INFO L241 Difference]: Finished difference. Result has 85 places, 89 transitions, 1314 flow [2021-03-26 00:21:02,095 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1526, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=1314, PETRI_PLACES=85, PETRI_TRANSITIONS=89} [2021-03-26 00:21:02,095 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 27 predicate places. [2021-03-26 00:21:02,095 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:21:02,095 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 89 transitions, 1314 flow [2021-03-26 00:21:02,095 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 89 transitions, 1314 flow [2021-03-26 00:21:02,096 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 89 transitions, 1314 flow [2021-03-26 00:21:02,207 INFO L129 PetriNetUnfolder]: 681/1768 cut-off events. [2021-03-26 00:21:02,208 INFO L130 PetriNetUnfolder]: For 6880/7294 co-relation queries the response was YES. [2021-03-26 00:21:02,213 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8814 conditions, 1768 events. 681/1768 cut-off events. For 6880/7294 co-relation queries the response was YES. Maximal size of possible extension queue 223. Compared 15244 event pairs, 37 based on Foata normal form. 2/1704 useless extension candidates. Maximal degree in co-relation 8772. Up to 1126 conditions per place. [2021-03-26 00:21:02,224 INFO L142 LiptonReduction]: Number of co-enabled transitions 1438 [2021-03-26 00:21:03,445 INFO L154 LiptonReduction]: Checked pairs total: 3157 [2021-03-26 00:21:03,445 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-26 00:21:03,446 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1351 [2021-03-26 00:21:03,446 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 88 transitions, 1304 flow [2021-03-26 00:21:03,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 175.83333333333334) internal successors, (1055), 6 states have internal predecessors, (1055), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:03,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:21:03,447 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:21:03,447 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-26 00:21:03,447 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:21:03,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:21:03,447 INFO L82 PathProgramCache]: Analyzing trace with hash -1587582988, now seen corresponding path program 1 times [2021-03-26 00:21:03,447 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:21:03,447 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503696000] [2021-03-26 00:21:03,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:21:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:21:03,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:03,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:03,527 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:03,527 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:03,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:03,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:03,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:03,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:03,538 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-03-26 00:21:03,539 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-26 00:21:03,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:03,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-26 00:21:03,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:21:03,546 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503696000] [2021-03-26 00:21:03,546 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:21:03,546 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:21:03,546 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1452576004] [2021-03-26 00:21:03,546 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-26 00:21:03,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:21:03,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-26 00:21:03,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-26 00:21:03,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 175 out of 209 [2021-03-26 00:21:03,548 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 88 transitions, 1304 flow. Second operand has 7 states, 7 states have (on average 175.85714285714286) internal successors, (1231), 7 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:03,548 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:21:03,548 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 175 of 209 [2021-03-26 00:21:03,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:21:03,711 INFO L129 PetriNetUnfolder]: 490/1291 cut-off events. [2021-03-26 00:21:03,711 INFO L130 PetriNetUnfolder]: For 6825/8048 co-relation queries the response was YES. [2021-03-26 00:21:03,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7065 conditions, 1291 events. 490/1291 cut-off events. For 6825/8048 co-relation queries the response was YES. Maximal size of possible extension queue 179. Compared 10306 event pairs, 16 based on Foata normal form. 363/1588 useless extension candidates. Maximal degree in co-relation 7021. Up to 726 conditions per place. [2021-03-26 00:21:03,718 INFO L132 encePairwiseOnDemand]: 202/209 looper letters, 2 selfloop transitions, 17 changer transitions 46/89 dead transitions. [2021-03-26 00:21:03,718 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 90 places, 89 transitions, 1352 flow [2021-03-26 00:21:03,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-26 00:21:03,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-26 00:21:03,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1426 transitions. [2021-03-26 00:21:03,721 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8528708133971292 [2021-03-26 00:21:03,721 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1426 transitions. [2021-03-26 00:21:03,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1426 transitions. [2021-03-26 00:21:03,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:21:03,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1426 transitions. [2021-03-26 00:21:03,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 178.25) internal successors, (1426), 8 states have internal predecessors, (1426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:03,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:03,726 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 209.0) internal successors, (1881), 9 states have internal predecessors, (1881), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:03,726 INFO L185 Difference]: Start difference. First operand has 85 places, 88 transitions, 1304 flow. Second operand 8 states and 1426 transitions. [2021-03-26 00:21:03,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 90 places, 89 transitions, 1352 flow [2021-03-26 00:21:03,755 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 89 transitions, 1224 flow, removed 16 selfloop flow, removed 7 redundant places. [2021-03-26 00:21:03,756 INFO L241 Difference]: Finished difference. Result has 86 places, 43 transitions, 403 flow [2021-03-26 00:21:03,756 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=209, PETRI_DIFFERENCE_MINUEND_FLOW=1128, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=84, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=67, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=403, PETRI_PLACES=86, PETRI_TRANSITIONS=43} [2021-03-26 00:21:03,756 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 28 predicate places. [2021-03-26 00:21:03,756 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:21:03,756 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 43 transitions, 403 flow [2021-03-26 00:21:03,757 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 43 transitions, 403 flow [2021-03-26 00:21:03,757 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 43 transitions, 403 flow [2021-03-26 00:21:03,768 INFO L129 PetriNetUnfolder]: 35/106 cut-off events. [2021-03-26 00:21:03,768 INFO L130 PetriNetUnfolder]: For 276/304 co-relation queries the response was YES. [2021-03-26 00:21:03,768 INFO L84 FinitePrefix]: Finished finitePrefix Result has 488 conditions, 106 events. 35/106 cut-off events. For 276/304 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 359 event pairs, 1 based on Foata normal form. 1/99 useless extension candidates. Maximal degree in co-relation 453. Up to 34 conditions per place. [2021-03-26 00:21:03,769 INFO L142 LiptonReduction]: Number of co-enabled transitions 364 [2021-03-26 00:21:04,020 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 00:21:04,144 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-03-26 00:21:04,558 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 00:21:04,677 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-03-26 00:21:05,285 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 183 [2021-03-26 00:21:05,560 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 181 [2021-03-26 00:21:06,850 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 307 DAG size of output: 263 [2021-03-26 00:21:07,406 WARN L205 SmtUtils]: Spent 554.00 ms on a formula simplification that was a NOOP. DAG size: 260 [2021-03-26 00:21:07,410 INFO L154 LiptonReduction]: Checked pairs total: 902 [2021-03-26 00:21:07,410 INFO L156 LiptonReduction]: Total number of compositions: 5 [2021-03-26 00:21:07,410 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 3654 [2021-03-26 00:21:07,411 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 40 transitions, 401 flow [2021-03-26 00:21:07,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 175.85714285714286) internal successors, (1231), 7 states have internal predecessors, (1231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,411 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:21:07,411 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:21:07,411 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-26 00:21:07,411 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:21:07,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:21:07,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1362989843, now seen corresponding path program 1 times [2021-03-26 00:21:07,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:21:07,412 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [493012050] [2021-03-26 00:21:07,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:21:07,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-26 00:21:07,472 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:07,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:21:07,477 INFO L142 QuantifierPusher]: treesize reduction 2, result has 92.6 percent of original size [2021-03-26 00:21:07,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-26 00:21:07,489 INFO L142 QuantifierPusher]: treesize reduction 9, result has 78.6 percent of original size [2021-03-26 00:21:07,490 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 33 [2021-03-26 00:21:07,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:07,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-26 00:21:07,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:07,524 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-26 00:21:07,531 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-26 00:21:07,532 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-26 00:21:07,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-26 00:21:07,537 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [493012050] [2021-03-26 00:21:07,537 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-26 00:21:07,537 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-26 00:21:07,537 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [320981267] [2021-03-26 00:21:07,537 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-26 00:21:07,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-26 00:21:07,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-26 00:21:07,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-03-26 00:21:07,538 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 214 [2021-03-26 00:21:07,539 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 40 transitions, 401 flow. Second operand has 8 states, 8 states have (on average 150.125) internal successors, (1201), 8 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,539 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-26 00:21:07,539 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 214 [2021-03-26 00:21:07,539 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-26 00:21:07,795 INFO L129 PetriNetUnfolder]: 221/521 cut-off events. [2021-03-26 00:21:07,795 INFO L130 PetriNetUnfolder]: For 4860/5158 co-relation queries the response was YES. [2021-03-26 00:21:07,797 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2088 conditions, 521 events. 221/521 cut-off events. For 4860/5158 co-relation queries the response was YES. Maximal size of possible extension queue 94. Compared 3344 event pairs, 3 based on Foata normal form. 54/542 useless extension candidates. Maximal degree in co-relation 2045. Up to 185 conditions per place. [2021-03-26 00:21:07,798 INFO L132 encePairwiseOnDemand]: 206/214 looper letters, 17 selfloop transitions, 17 changer transitions 5/70 dead transitions. [2021-03-26 00:21:07,798 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 70 transitions, 657 flow [2021-03-26 00:21:07,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-26 00:21:07,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-26 00:21:07,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1531 transitions. [2021-03-26 00:21:07,800 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7154205607476636 [2021-03-26 00:21:07,800 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1531 transitions. [2021-03-26 00:21:07,801 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1531 transitions. [2021-03-26 00:21:07,801 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-26 00:21:07,801 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1531 transitions. [2021-03-26 00:21:07,803 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 153.1) internal successors, (1531), 10 states have internal predecessors, (1531), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,805 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 214.0) internal successors, (2354), 11 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,806 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 214.0) internal successors, (2354), 11 states have internal predecessors, (2354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,806 INFO L185 Difference]: Start difference. First operand has 80 places, 40 transitions, 401 flow. Second operand 10 states and 1531 transitions. [2021-03-26 00:21:07,806 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 70 transitions, 657 flow [2021-03-26 00:21:07,812 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 70 transitions, 406 flow, removed 34 selfloop flow, removed 26 redundant places. [2021-03-26 00:21:07,813 INFO L241 Difference]: Finished difference. Result has 67 places, 56 transitions, 350 flow [2021-03-26 00:21:07,813 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=214, PETRI_DIFFERENCE_MINUEND_FLOW=220, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=350, PETRI_PLACES=67, PETRI_TRANSITIONS=56} [2021-03-26 00:21:07,813 INFO L343 CegarLoopForPetriNet]: 58 programPoint places, 9 predicate places. [2021-03-26 00:21:07,813 INFO L170 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-03-26 00:21:07,813 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 56 transitions, 350 flow [2021-03-26 00:21:07,814 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 56 transitions, 350 flow [2021-03-26 00:21:07,814 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 56 transitions, 350 flow [2021-03-26 00:21:07,832 INFO L129 PetriNetUnfolder]: 146/337 cut-off events. [2021-03-26 00:21:07,832 INFO L130 PetriNetUnfolder]: For 890/976 co-relation queries the response was YES. [2021-03-26 00:21:07,832 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1007 conditions, 337 events. 146/337 cut-off events. For 890/976 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1950 event pairs, 4 based on Foata normal form. 17/325 useless extension candidates. Maximal degree in co-relation 983. Up to 113 conditions per place. [2021-03-26 00:21:07,833 INFO L142 LiptonReduction]: Number of co-enabled transitions 560 [2021-03-26 00:21:07,876 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-26 00:21:07,876 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-26 00:21:07,876 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-03-26 00:21:07,877 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 56 transitions, 350 flow [2021-03-26 00:21:07,877 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 150.125) internal successors, (1201), 8 states have internal predecessors, (1201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-26 00:21:07,877 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-26 00:21:07,878 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-26 00:21:07,878 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-26 00:21:07,878 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-26 00:21:07,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-26 00:21:07,878 INFO L82 PathProgramCache]: Analyzing trace with hash 140199715, now seen corresponding path program 1 times [2021-03-26 00:21:07,878 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-26 00:21:07,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413946275] [2021-03-26 00:21:07,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-26 00:21:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:21:07,909 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:21:07,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-26 00:21:07,935 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-26 00:21:07,958 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-26 00:21:07,958 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-26 00:21:07,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-26 00:21:08,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.03 12:21:08 BasicIcfg [2021-03-26 00:21:08,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-26 00:21:08,056 INFO L168 Benchmark]: Toolchain (without parser) took 25711.16 ms. Allocated memory was 373.3 MB in the beginning and 1.0 GB in the end (delta: 641.7 MB). Free memory was 335.7 MB in the beginning and 533.6 MB in the end (delta: -197.9 MB). Peak memory consumption was 445.5 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,057 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 373.3 MB. Free memory was 354.3 MB in the beginning and 354.2 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-26 00:21:08,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 473.62 ms. Allocated memory is still 373.3 MB. Free memory was 335.6 MB in the beginning and 330.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.64 ms. Allocated memory is still 373.3 MB. Free memory was 330.9 MB in the beginning and 328.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,057 INFO L168 Benchmark]: Boogie Preprocessor took 25.12 ms. Allocated memory is still 373.3 MB. Free memory was 328.8 MB in the beginning and 325.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,058 INFO L168 Benchmark]: RCFGBuilder took 1641.50 ms. Allocated memory is still 373.3 MB. Free memory was 325.7 MB in the beginning and 250.8 MB in the end (delta: 74.9 MB). Peak memory consumption was 152.5 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,058 INFO L168 Benchmark]: TraceAbstraction took 23515.21 ms. Allocated memory was 373.3 MB in the beginning and 1.0 GB in the end (delta: 641.7 MB). Free memory was 250.8 MB in the beginning and 533.6 MB in the end (delta: -282.8 MB). Peak memory consumption was 358.9 MB. Max. memory is 16.0 GB. [2021-03-26 00:21:08,063 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 373.3 MB. Free memory was 354.3 MB in the beginning and 354.2 MB in the end (delta: 144.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 473.62 ms. Allocated memory is still 373.3 MB. Free memory was 335.6 MB in the beginning and 330.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 51.64 ms. Allocated memory is still 373.3 MB. Free memory was 330.9 MB in the beginning and 328.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 25.12 ms. Allocated memory is still 373.3 MB. Free memory was 328.8 MB in the beginning and 325.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1641.50 ms. Allocated memory is still 373.3 MB. Free memory was 325.7 MB in the beginning and 250.8 MB in the end (delta: 74.9 MB). Peak memory consumption was 152.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 23515.21 ms. Allocated memory was 373.3 MB in the beginning and 1.0 GB in the end (delta: 641.7 MB). Free memory was 250.8 MB in the beginning and 533.6 MB in the end (delta: -282.8 MB). Peak memory consumption was 358.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3141.7ms, 125 PlacesBefore, 58 PlacesAfterwards, 114 TransitionsBefore, 46 TransitionsAfterwards, 2876 CoEnabledTransitionPairs, 6 FixpointIterations, 31 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 5579 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2951, positive: 2822, positive conditional: 2822, positive unconditional: 0, negative: 129, negative conditional: 129, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2001, positive: 1959, positive conditional: 0, positive unconditional: 1959, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2001, positive: 1959, positive conditional: 0, positive unconditional: 1959, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2001, positive: 1941, positive conditional: 0, positive unconditional: 1941, negative: 60, negative conditional: 0, negative unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 60, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 435, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 394, negative conditional: 0, negative unconditional: 394, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2951, positive: 863, positive conditional: 863, positive unconditional: 0, negative: 87, negative conditional: 87, negative unconditional: 0, unknown: 2001, unknown conditional: 2001, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 184, Positive cache size: 162, Positive conditional cache size: 162, Positive unconditional cache size: 0, Negative cache size: 22, Negative conditional cache size: 22, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1431.8ms, 54 PlacesBefore, 42 PlacesAfterwards, 43 TransitionsBefore, 31 TransitionsAfterwards, 618 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 2656 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 826, positive: 699, positive conditional: 699, positive unconditional: 0, negative: 127, negative conditional: 127, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 197, positive: 168, positive conditional: 6, positive unconditional: 162, negative: 29, negative conditional: 1, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 197, positive: 168, positive conditional: 6, positive unconditional: 162, negative: 29, negative conditional: 1, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 197, positive: 156, positive conditional: 0, positive unconditional: 156, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 29, negative conditional: 1, negative unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 317, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 262, negative conditional: 15, negative unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 826, positive: 531, positive conditional: 531, positive unconditional: 0, negative: 98, negative conditional: 98, negative unconditional: 0, unknown: 197, unknown conditional: 197, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 203, Positive cache size: 172, Positive conditional cache size: 172, Positive unconditional cache size: 0, Negative cache size: 31, Negative conditional cache size: 31, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1512.8ms, 51 PlacesBefore, 45 PlacesAfterwards, 36 TransitionsBefore, 34 TransitionsAfterwards, 480 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 178, positive: 130, positive conditional: 130, positive unconditional: 0, negative: 48, negative conditional: 48, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31, positive: 24, positive conditional: 2, positive unconditional: 22, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 31, positive: 24, positive conditional: 2, positive unconditional: 22, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 31, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 181, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 181, negative conditional: 0, negative unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 178, positive: 106, positive conditional: 106, positive unconditional: 0, negative: 41, negative conditional: 41, negative unconditional: 0, unknown: 31, unknown conditional: 31, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 196, Positive conditional cache size: 196, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 110.5ms, 48 PlacesBefore, 48 PlacesAfterwards, 47 TransitionsBefore, 47 TransitionsAfterwards, 682 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 534 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 96, positive: 79, positive conditional: 79, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 58, positive: 58, positive conditional: 27, positive unconditional: 31, 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: 58, positive: 58, positive conditional: 27, positive unconditional: 31, 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: 58, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 8, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 96, positive: 21, positive conditional: 21, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 58, unknown conditional: 58, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 292, Positive cache size: 254, Positive conditional cache size: 254, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 114.4ms, 54 PlacesBefore, 54 PlacesAfterwards, 66 TransitionsBefore, 66 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1067 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 155, positive: 128, positive conditional: 128, 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: 77, positive: 77, positive conditional: 59, positive unconditional: 18, 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: 77, positive: 77, positive conditional: 59, positive unconditional: 18, 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: 77, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 155, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 77, unknown conditional: 77, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 369, Positive cache size: 331, Positive conditional cache size: 331, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 135.9ms, 60 PlacesBefore, 60 PlacesAfterwards, 75 TransitionsBefore, 75 TransitionsAfterwards, 998 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1201 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 206, positive: 179, positive conditional: 179, 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: 116, positive: 116, positive conditional: 71, positive unconditional: 45, 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: 116, positive: 116, positive conditional: 71, positive unconditional: 45, 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: 116, positive: 115, positive conditional: 0, positive unconditional: 115, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 206, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 116, unknown conditional: 116, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 485, Positive cache size: 447, Positive conditional cache size: 447, Positive unconditional cache size: 0, Negative cache size: 38, Negative conditional cache size: 38, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1567.6ms, 67 PlacesBefore, 67 PlacesAfterwards, 84 TransitionsBefore, 83 TransitionsAfterwards, 1538 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 2707 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 230, positive: 176, positive conditional: 176, 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: 72, positive: 72, positive conditional: 70, 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: 72, positive: 72, positive conditional: 70, 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: 72, positive: 72, positive conditional: 0, positive unconditional: 72, 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: 230, positive: 104, positive conditional: 104, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 72, unknown conditional: 72, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 439, Positive cache size: 405, Positive conditional cache size: 405, Positive unconditional cache size: 0, Negative cache size: 34, Negative conditional cache size: 34, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1902.7ms, 69 PlacesBefore, 69 PlacesAfterwards, 92 TransitionsBefore, 92 TransitionsAfterwards, 1440 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1356 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 49, positive conditional: 49, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23, positive: 23, positive conditional: 5, positive unconditional: 18, 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: 23, positive: 23, positive conditional: 5, positive unconditional: 18, 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: 23, positive: 23, positive conditional: 0, positive unconditional: 23, 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: 75, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 26, negative conditional: 26, negative unconditional: 0, unknown: 23, unknown conditional: 23, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 462, Positive cache size: 428, Positive conditional cache size: 428, Positive unconditional cache size: 0, Negative cache size: 34, Negative conditional cache size: 34, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3127.4ms, 77 PlacesBefore, 77 PlacesAfterwards, 100 TransitionsBefore, 99 TransitionsAfterwards, 1972 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3353 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 240, positive: 182, positive conditional: 182, positive unconditional: 0, negative: 58, negative conditional: 58, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76, positive: 74, positive conditional: 70, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76, positive: 74, positive conditional: 70, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 76, positive: 74, positive conditional: 0, positive unconditional: 74, 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: 34, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 34, negative conditional: 0, negative unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 240, positive: 108, positive conditional: 108, positive unconditional: 0, negative: 56, negative conditional: 56, negative unconditional: 0, unknown: 76, unknown conditional: 76, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 470, Positive cache size: 434, Positive conditional cache size: 434, Positive unconditional cache size: 0, Negative cache size: 36, Negative conditional cache size: 36, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 988.6ms, 77 PlacesBefore, 77 PlacesAfterwards, 96 TransitionsBefore, 96 TransitionsAfterwards, 1556 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1820 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 66, positive conditional: 66, 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: 18, positive: 18, positive conditional: 16, 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: 18, positive: 18, positive conditional: 16, 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: 18, positive: 18, positive conditional: 0, positive unconditional: 18, 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: 99, positive: 48, positive conditional: 48, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 488, Positive cache size: 452, Positive conditional cache size: 452, Positive unconditional cache size: 0, Negative cache size: 36, Negative conditional cache size: 36, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1350.5ms, 85 PlacesBefore, 85 PlacesAfterwards, 89 TransitionsBefore, 88 TransitionsAfterwards, 1438 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 3157 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 204, positive: 142, positive conditional: 142, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 57, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 57, positive: 57, positive conditional: 0, positive unconditional: 57, 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: 204, positive: 85, positive conditional: 85, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 57, unknown conditional: 57, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 501, Positive cache size: 465, Positive conditional cache size: 465, Positive unconditional cache size: 0, Negative cache size: 36, Negative conditional cache size: 36, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 3653.7ms, 86 PlacesBefore, 80 PlacesAfterwards, 43 TransitionsBefore, 40 TransitionsAfterwards, 364 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 2 ConcurrentYvCompositions, 0 ChoiceCompositions, 5 TotalNumberOfCompositions, 902 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 113, positive: 75, positive conditional: 75, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 39, positive: 39, positive conditional: 34, 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: 39, positive: 39, positive conditional: 34, 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: 39, positive: 39, positive conditional: 0, positive unconditional: 39, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 113, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 38, negative conditional: 38, negative unconditional: 0, unknown: 39, unknown conditional: 39, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 343, Positive cache size: 324, Positive conditional cache size: 324, Positive unconditional cache size: 0, Negative cache size: 19, Negative conditional cache size: 19, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.5ms, 67 PlacesBefore, 67 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 560 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 15, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 39, negative conditional: 39, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 15, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 328, Positive conditional cache size: 328, Positive unconditional cache size: 0, Negative cache size: 21, Negative conditional cache size: 21, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p3_EAX = 0; [L714] 0 int __unbuffered_p3_EBX = 0; [L716] 0 int a = 0; [L718] 0 int b = 0; [L719] 0 _Bool b$flush_delayed; [L720] 0 int b$mem_tmp; [L721] 0 _Bool b$r_buff0_thd0; [L722] 0 _Bool b$r_buff0_thd1; [L723] 0 _Bool b$r_buff0_thd2; [L724] 0 _Bool b$r_buff0_thd3; [L725] 0 _Bool b$r_buff0_thd4; [L726] 0 _Bool b$r_buff1_thd0; [L727] 0 _Bool b$r_buff1_thd1; [L728] 0 _Bool b$r_buff1_thd2; [L729] 0 _Bool b$r_buff1_thd3; [L730] 0 _Bool b$r_buff1_thd4; [L731] 0 _Bool b$read_delayed; [L732] 0 int *b$read_delayed_var; [L733] 0 int b$w_buff0; [L734] 0 _Bool b$w_buff0_used; [L735] 0 int b$w_buff1; [L736] 0 _Bool b$w_buff1_used; [L737] 0 _Bool main$tmp_guard0; [L738] 0 _Bool main$tmp_guard1; [L740] 0 int x = 0; [L742] 0 int y = 0; [L744] 0 int z = 0; [L745] 0 _Bool weak$$choice0; [L746] 0 _Bool weak$$choice2; [L867] 0 pthread_t t1257; [L868] FCALL, FORK 0 pthread_create(&t1257, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L869] 0 pthread_t t1258; [L870] FCALL, FORK 0 pthread_create(&t1258, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=0, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=0, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L750] 1 b$w_buff1 = b$w_buff0 [L751] 1 b$w_buff0 = 1 [L752] 1 b$w_buff1_used = b$w_buff0_used [L753] 1 b$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L755] 1 b$r_buff1_thd0 = b$r_buff0_thd0 [L756] 1 b$r_buff1_thd1 = b$r_buff0_thd1 [L757] 1 b$r_buff1_thd2 = b$r_buff0_thd2 [L758] 1 b$r_buff1_thd3 = b$r_buff0_thd3 [L759] 1 b$r_buff1_thd4 = b$r_buff0_thd4 [L760] 1 b$r_buff0_thd1 = (_Bool)1 [L763] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L780] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L783] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L871] 0 pthread_t t1259; [L872] FCALL, FORK 0 pthread_create(&t1259, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L800] 3 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=0] [L803] 3 z = 1 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L873] 0 pthread_t t1260; [L874] FCALL, FORK 0 pthread_create(&t1260, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z=1] [L820] 4 z = 2 [L823] 4 a = 1 [L826] 4 __unbuffered_p3_EAX = a [L829] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L830] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L831] 4 b$flush_delayed = weak$$choice2 [L832] 4 b$mem_tmp = b [L833] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L833] 4 b = !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff1) [L834] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L834] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0) [L834] EXPR 4 weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L834] 4 b$w_buff0 = weak$$choice2 ? b$w_buff0 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : b$w_buff0)) [L835] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L835] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1) [L835] EXPR 4 weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L835] 4 b$w_buff1 = weak$$choice2 ? b$w_buff1 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1 : (b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff1 : b$w_buff1)) [L836] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L836] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used) [L836] EXPR 4 weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L836] 4 b$w_buff0_used = weak$$choice2 ? b$w_buff0_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff0_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used)) [L837] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L837] EXPR 4 weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L837] 4 b$w_buff1_used = weak$$choice2 ? b$w_buff1_used : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$w_buff1_used : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L838] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4) [L838] EXPR 4 weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L838] 4 b$r_buff0_thd4 = weak$$choice2 ? b$r_buff0_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff0_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4)) [L839] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 !b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L839] EXPR 4 weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] 4 b$r_buff1_thd4 = weak$$choice2 ? b$r_buff1_thd4 : (!b$w_buff0_used || !b$r_buff0_thd4 && !b$w_buff1_used || !b$r_buff0_thd4 && !b$r_buff1_thd4 ? b$r_buff1_thd4 : (b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 __unbuffered_p3_EBX = b [L841] EXPR 4 b$flush_delayed ? b$mem_tmp : b [L841] 4 b = b$flush_delayed ? b$mem_tmp : b [L842] 4 b$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=0, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=1, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=2, z=2] [L845] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L845] EXPR 4 b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b [L845] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L845] 4 b = b$w_buff0_used && b$r_buff0_thd4 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd4 ? b$w_buff1 : b) [L846] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L846] 4 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$w_buff0_used [L847] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L847] 4 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$w_buff1_used [L848] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L848] 4 b$r_buff0_thd4 = b$w_buff0_used && b$r_buff0_thd4 ? (_Bool)0 : b$r_buff0_thd4 [L849] EXPR 4 b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L849] 4 b$r_buff1_thd4 = b$w_buff0_used && b$r_buff0_thd4 || b$w_buff1_used && b$r_buff1_thd4 ? (_Bool)0 : b$r_buff1_thd4 [L786] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L786] EXPR 2 b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b [L786] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L786] 2 b = b$w_buff0_used && b$r_buff0_thd2 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd2 ? b$w_buff1 : b) [L787] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L787] 2 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$w_buff0_used [L788] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L788] 2 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$w_buff1_used [L789] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L789] 2 b$r_buff0_thd2 = b$w_buff0_used && b$r_buff0_thd2 ? (_Bool)0 : b$r_buff0_thd2 [L790] EXPR 2 b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L790] 2 b$r_buff1_thd2 = b$w_buff0_used && b$r_buff0_thd2 || b$w_buff1_used && b$r_buff1_thd2 ? (_Bool)0 : b$r_buff1_thd2 [L766] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L766] 1 b = b$w_buff0_used && b$r_buff0_thd1 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd1 ? b$w_buff1 : b) [L767] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L767] 1 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$w_buff0_used [L768] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L768] 1 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$w_buff1_used [L769] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L769] 1 b$r_buff0_thd1 = b$w_buff0_used && b$r_buff0_thd1 ? (_Bool)0 : b$r_buff0_thd1 [L770] EXPR 1 b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L770] 1 b$r_buff1_thd1 = b$w_buff0_used && b$r_buff0_thd1 || b$w_buff1_used && b$r_buff1_thd1 ? (_Bool)0 : b$r_buff1_thd1 [L773] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L775] 1 return 0; [L793] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L795] 2 return 0; [L806] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L806] EXPR 3 b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b [L806] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L806] 3 b = b$w_buff0_used && b$r_buff0_thd3 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd3 ? b$w_buff1 : b) [L807] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L807] 3 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$w_buff0_used [L808] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L808] 3 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$w_buff1_used [L809] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L809] 3 b$r_buff0_thd3 = b$w_buff0_used && b$r_buff0_thd3 ? (_Bool)0 : b$r_buff0_thd3 [L810] EXPR 3 b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L810] 3 b$r_buff1_thd3 = b$w_buff0_used && b$r_buff0_thd3 || b$w_buff1_used && b$r_buff1_thd3 ? (_Bool)0 : b$r_buff1_thd3 [L813] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L815] 3 return 0; [L852] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L854] 4 return 0; [L876] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L880] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L880] EXPR 0 b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b [L880] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L880] 0 b = b$w_buff0_used && b$r_buff0_thd0 ? b$w_buff0 : (b$w_buff1_used && b$r_buff1_thd0 ? b$w_buff1 : b) [L881] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L881] 0 b$w_buff0_used = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$w_buff0_used [L882] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L882] 0 b$w_buff1_used = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$w_buff1_used [L883] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L883] 0 b$r_buff0_thd0 = b$w_buff0_used && b$r_buff0_thd0 ? (_Bool)0 : b$r_buff0_thd0 [L884] EXPR 0 b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L884] 0 b$r_buff1_thd0 = b$w_buff0_used && b$r_buff0_thd0 || b$w_buff1_used && b$r_buff1_thd0 ? (_Bool)0 : b$r_buff1_thd0 [L887] 0 main$tmp_guard1 = !(x == 2 && y == 2 && z == 2 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, b$flush_delayed=0, b$mem_tmp=0, b$r_buff0_thd0=0, b$r_buff0_thd1=1, b$r_buff0_thd2=0, b$r_buff0_thd3=0, b$r_buff0_thd4=0, b$r_buff1_thd0=0, b$r_buff1_thd1=0, b$r_buff1_thd2=0, b$r_buff1_thd3=0, b$r_buff1_thd4=0, b$read_delayed=0, b$read_delayed_var={0:0}, b$w_buff0=1, b$w_buff0_used=0, b$w_buff1=0, b$w_buff1_used=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=50, weak$$choice2=0, x=2, y=2, z=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 23331.3ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3014.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 3197.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 120 SDtfs, 70 SDslu, 96 SDs, 0 SdLazy, 363 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 344.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 278.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1539occurred in iteration=9, InterpolantAutomatonStates: 66, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 63.3ms SsaConstructionTime, 242.2ms SatisfiabilityAnalysisTime, 615.6ms InterpolantComputationTime, 246 NumberOfCodeBlocks, 246 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 211 ConstructedInterpolants, 0 QuantifiedInterpolants, 1343 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...