/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-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 15:47:27,989 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 15:47:27,991 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 15:47:28,018 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 15:47:28,018 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 15:47:28,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 15:47:28,024 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 15:47:28,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 15:47:28,029 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 15:47:28,030 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 15:47:28,030 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 15:47:28,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 15:47:28,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 15:47:28,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 15:47:28,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 15:47:28,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 15:47:28,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 15:47:28,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 15:47:28,035 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 15:47:28,036 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 15:47:28,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 15:47:28,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 15:47:28,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 15:47:28,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 15:47:28,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 15:47:28,053 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 15:47:28,054 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 15:47:28,054 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 15:47:28,055 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 15:47:28,055 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 15:47:28,055 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 15:47:28,056 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 15:47:28,056 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 15:47:28,056 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 15:47:28,057 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 15:47:28,057 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 15:47:28,063 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-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 15:47:28,087 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 15:47:28,087 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 15:47:28,089 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 15:47:28,089 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 15:47:28,089 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 15:47:28,089 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 15:47:28,089 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 15:47:28,090 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 15:47:28,090 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 15:47:28,090 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 15:47:28,090 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 15:47:28,090 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 15:47:28,091 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:47:28,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 15:47:28,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 15:47:28,092 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 15:47:28,092 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 15:47:28,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 15:47:28,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 15:47:28,308 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 15:47:28,308 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 15:47:28,309 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 15:47:28,310 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i [2021-06-11 15:47:28,364 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932d31076/8e17f1c82269484fa14856132d59cd28/FLAG62f40a6fc [2021-06-11 15:47:28,765 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 15:47:28,765 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix043_pso.opt.i [2021-06-11 15:47:28,781 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932d31076/8e17f1c82269484fa14856132d59cd28/FLAG62f40a6fc [2021-06-11 15:47:28,794 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/932d31076/8e17f1c82269484fa14856132d59cd28 [2021-06-11 15:47:28,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 15:47:28,799 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 15:47:28,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 15:47:28,801 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 15:47:28,803 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 15:47:28,803 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:47:28" (1/1) ... [2021-06-11 15:47:28,804 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@210d25d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:28, skipping insertion in model container [2021-06-11 15:47:28,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:47:28" (1/1) ... [2021-06-11 15:47:28,809 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 15:47:28,854 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 15:47:28,987 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/mix043_pso.opt.i[948,961] [2021-06-11 15:47:29,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:47:29,155 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 15:47:29,166 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/mix043_pso.opt.i[948,961] [2021-06-11 15:47:29,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:47:29,253 INFO L208 MainTranslator]: Completed translation [2021-06-11 15:47:29,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29 WrapperNode [2021-06-11 15:47:29,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 15:47:29,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 15:47:29,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 15:47:29,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 15:47:29,259 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 15:47:29,321 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 15:47:29,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 15:47:29,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 15:47:29,326 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,330 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,330 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,337 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,346 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (1/1) ... [2021-06-11 15:47:29,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 15:47:29,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 15:47:29,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 15:47:29,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 15:47:29,349 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (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 [2021-06-11 15:47:29,398 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 15:47:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 15:47:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 15:47:29,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 15:47:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 15:47:29,400 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 15:47:29,400 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 15:47:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 15:47:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 15:47:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 15:47:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-11 15:47:29,401 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-11 15:47:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 15:47:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 15:47:29,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 15:47:29,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 15:47:29,403 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 15:47:30,689 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 15:47:30,690 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 15:47:30,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:47:30 BoogieIcfgContainer [2021-06-11 15:47:30,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 15:47:30,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 15:47:30,694 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 15:47:30,696 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 15:47:30,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 03:47:28" (1/3) ... [2021-06-11 15:47:30,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1543ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:47:30, skipping insertion in model container [2021-06-11 15:47:30,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:47:29" (2/3) ... [2021-06-11 15:47:30,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a1543ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:47:30, skipping insertion in model container [2021-06-11 15:47:30,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:47:30" (3/3) ... [2021-06-11 15:47:30,697 INFO L111 eAbstractionObserver]: Analyzing ICFG mix043_pso.opt.i [2021-06-11 15:47:30,701 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 15:47:30,704 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 15:47:30,704 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 15:47:30,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,729 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,731 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,731 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,732 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,733 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,734 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,734 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,735 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,736 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,737 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,738 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,739 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,740 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,742 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,742 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,743 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,743 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,744 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,744 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,745 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,746 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,747 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,748 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,752 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,753 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,754 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:47:30,755 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 15:47:30,766 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-06-11 15:47:30,787 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 15:47:30,787 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 15:47:30,787 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 15:47:30,787 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 15:47:30,787 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 15:47:30,787 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 15:47:30,787 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 15:47:30,787 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 15:47:30,796 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 129 places, 118 transitions, 256 flow [2021-06-11 15:47:30,834 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-06-11 15:47:30,834 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:30,837 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 4. Compared 83 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 15:47:30,837 INFO L82 GeneralOperation]: Start removeDead. Operand has 129 places, 118 transitions, 256 flow [2021-06-11 15:47:30,841 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 125 places, 114 transitions, 240 flow [2021-06-11 15:47:30,842 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:30,849 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 125 places, 114 transitions, 240 flow [2021-06-11 15:47:30,851 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 125 places, 114 transitions, 240 flow [2021-06-11 15:47:30,854 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 125 places, 114 transitions, 240 flow [2021-06-11 15:47:30,876 INFO L129 PetriNetUnfolder]: 2/114 cut-off events. [2021-06-11 15:47:30,877 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:30,877 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 4. Compared 86 event pairs, 0 based on Foata normal form. 0/110 useless extension candidates. Maximal degree in co-relation 76. Up to 2 conditions per place. [2021-06-11 15:47:30,880 INFO L151 LiptonReduction]: Number of co-enabled transitions 2598 [2021-06-11 15:47:31,006 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,012 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,079 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,089 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 15:47:31,089 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:31,108 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,117 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,243 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,285 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:31,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:31,288 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:31,321 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,322 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,381 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,382 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,401 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,402 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,415 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,416 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,436 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,438 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,451 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:31,498 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:31,500 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:32,179 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-06-11 15:47:32,456 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-06-11 15:47:33,681 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-06-11 15:47:34,202 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 267 [2021-06-11 15:47:34,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,206 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,219 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,220 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,258 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,260 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,273 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,280 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,305 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,307 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,320 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,406 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,409 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:34,409 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:34,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:34,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,448 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:34,449 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,449 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:34,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:34,457 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,458 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,512 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,580 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,643 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,645 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:34,647 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,648 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:34,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:34,662 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,689 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,690 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,739 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:34,746 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:34,747 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:34,758 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,775 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,896 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 15:47:34,897 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:34,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:34,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,105 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,106 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,207 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,285 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,368 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,383 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,383 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,477 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,584 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:35,585 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:35,768 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 15:47:36,082 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-06-11 15:47:36,186 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,190 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,191 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,192 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 15:47:36,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,194 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 15:47:36,194 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,196 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,198 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 15:47:36,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,202 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 15:47:36,202 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 15:47:36,203 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,204 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,205 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 15:47:36,206 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 15:47:36,206 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,207 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,209 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 15:47:36,225 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,225 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,306 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,308 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,341 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,342 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,487 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,490 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,494 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:36,495 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:36,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,548 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,577 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,579 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,653 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,664 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:36,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:36,699 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,701 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,727 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,728 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,796 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 15:47:36,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,841 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,842 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,846 INFO L147 QuantifierPusher]: treesize reduction 13, result has 82.4 percent of original size 61 [2021-06-11 15:47:36,846 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,849 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 103 [2021-06-11 15:47:36,850 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 4, 4, 3, 2, 1] term [2021-06-11 15:47:36,850 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,851 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,852 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 4, 4, 3, 2, 1] term [2021-06-11 15:47:36,852 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,854 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,855 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 4, 3, 2, 1] term [2021-06-11 15:47:36,855 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:47:36,856 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,873 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 86 [2021-06-11 15:47:36,876 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,877 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,878 INFO L147 QuantifierPusher]: treesize reduction 36, result has 2.7 percent of original size 1 [2021-06-11 15:47:36,878 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,878 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:36,879 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:36,879 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:36,880 INFO L142 QuantifierPusher]: treesize reduction 38, result has 69.6 percent of original size [2021-06-11 15:47:36,882 INFO L147 QuantifierPusher]: treesize reduction 6, result has 90.2 percent of original size 55 [2021-06-11 15:47:36,884 INFO L147 QuantifierPusher]: treesize reduction 207, result has 53.8 percent of original size 241 [2021-06-11 15:47:37,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:37,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:37,110 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:37,197 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,202 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,206 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,207 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:37,208 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:37,342 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,345 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,352 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,353 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 15:47:37,354 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:37,354 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,355 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,355 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,356 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,356 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 15:47:37,357 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 15:47:37,357 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,357 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,358 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 15:47:37,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:47:37,619 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,621 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:37,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,623 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:37,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:37,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:37,705 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:38,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:38,072 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:38,077 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:38,078 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:38,079 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:38,371 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 15:47:38,522 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 15:47:38,835 WARN L205 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-06-11 15:47:38,976 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-06-11 15:47:38,981 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:38,989 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:47:38,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:38,989 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:38,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:47:39,001 INFO L163 LiptonReduction]: Checked pairs total: 7268 [2021-06-11 15:47:39,001 INFO L165 LiptonReduction]: Total number of compositions: 101 [2021-06-11 15:47:39,003 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 8162 [2021-06-11 15:47:39,010 INFO L129 PetriNetUnfolder]: 0/20 cut-off events. [2021-06-11 15:47:39,010 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:39,010 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:39,010 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:39,010 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:39,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:39,013 INFO L82 PathProgramCache]: Analyzing trace with hash 259016980, now seen corresponding path program 1 times [2021-06-11 15:47:39,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:39,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856279237] [2021-06-11 15:47:39,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:39,187 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:39,187 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:39,192 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856279237] [2021-06-11 15:47:39,192 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:39,192 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:47:39,192 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24039318] [2021-06-11 15:47:39,197 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:47:39,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:39,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:47:39,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:47:39,209 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 185 out of 219 [2021-06-11 15:47:39,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 32 transitions, 76 flow. Second operand has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:39,213 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:39,213 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 185 of 219 [2021-06-11 15:47:39,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:39,258 INFO L129 PetriNetUnfolder]: 16/71 cut-off events. [2021-06-11 15:47:39,258 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:39,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 119 conditions, 71 events. 16/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 214 event pairs, 6 based on Foata normal form. 12/73 useless extension candidates. Maximal degree in co-relation 108. Up to 27 conditions per place. [2021-06-11 15:47:39,262 INFO L132 encePairwiseOnDemand]: 214/219 looper letters, 7 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-06-11 15:47:39,262 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 32 transitions, 94 flow [2021-06-11 15:47:39,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:47:39,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:47:39,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 569 transitions. [2021-06-11 15:47:39,275 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8660578386605784 [2021-06-11 15:47:39,276 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 569 transitions. [2021-06-11 15:47:39,276 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 569 transitions. [2021-06-11 15:47:39,279 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:39,280 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 569 transitions. [2021-06-11 15:47:39,284 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:39,289 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:39,289 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 219.0) internal successors, (876), 4 states have internal predecessors, (876), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:39,290 INFO L185 Difference]: Start difference. First operand has 44 places, 32 transitions, 76 flow. Second operand 3 states and 569 transitions. [2021-06-11 15:47:39,291 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 32 transitions, 94 flow [2021-06-11 15:47:39,292 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 90 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 15:47:39,293 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 70 flow [2021-06-11 15:47:39,295 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=219, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-06-11 15:47:39,295 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -4 predicate places. [2021-06-11 15:47:39,295 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:39,295 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 70 flow [2021-06-11 15:47:39,296 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 70 flow [2021-06-11 15:47:39,296 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 70 flow [2021-06-11 15:47:39,300 INFO L129 PetriNetUnfolder]: 0/29 cut-off events. [2021-06-11 15:47:39,300 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:39,301 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 29 events. 0/29 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 39 event pairs, 0 based on Foata normal form. 0/27 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 15:47:39,301 INFO L151 LiptonReduction]: Number of co-enabled transitions 422 [2021-06-11 15:47:39,626 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-11 15:47:39,907 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2021-06-11 15:47:40,491 WARN L205 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-06-11 15:47:41,022 WARN L205 SmtUtils]: Spent 530.00 ms on a formula simplification that was a NOOP. DAG size: 270 [2021-06-11 15:47:41,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:41,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:41,306 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-11 15:47:41,576 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-06-11 15:47:42,754 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 292 DAG size of output: 290 [2021-06-11 15:47:43,331 WARN L205 SmtUtils]: Spent 576.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-06-11 15:47:43,582 INFO L163 LiptonReduction]: Checked pairs total: 978 [2021-06-11 15:47:43,582 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 15:47:43,582 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4287 [2021-06-11 15:47:43,583 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 28 transitions, 68 flow [2021-06-11 15:47:43,583 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 185.66666666666666) internal successors, (557), 3 states have internal predecessors, (557), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,583 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:43,583 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:43,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 15:47:43,583 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:43,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:43,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1678436036, now seen corresponding path program 1 times [2021-06-11 15:47:43,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:43,584 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978433723] [2021-06-11 15:47:43,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:43,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:43,692 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:43,693 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:43,696 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 15:47:43,696 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 15:47:43,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:43,699 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978433723] [2021-06-11 15:47:43,699 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:43,699 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-11 15:47:43,699 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712376091] [2021-06-11 15:47:43,700 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:47:43,700 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:43,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:47:43,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:47:43,701 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 184 out of 221 [2021-06-11 15:47:43,702 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 28 transitions, 68 flow. Second operand has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,702 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:43,702 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 184 of 221 [2021-06-11 15:47:43,702 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:43,727 INFO L129 PetriNetUnfolder]: 1/30 cut-off events. [2021-06-11 15:47:43,727 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:43,727 INFO L84 FinitePrefix]: Finished finitePrefix Result has 49 conditions, 30 events. 1/30 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 43 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 40. Up to 3 conditions per place. [2021-06-11 15:47:43,727 INFO L132 encePairwiseOnDemand]: 217/221 looper letters, 1 selfloop transitions, 2 changer transitions 4/30 dead transitions. [2021-06-11 15:47:43,727 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 30 transitions, 84 flow [2021-06-11 15:47:43,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:47:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:47:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 927 transitions. [2021-06-11 15:47:43,729 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8389140271493213 [2021-06-11 15:47:43,729 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 927 transitions. [2021-06-11 15:47:43,729 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 927 transitions. [2021-06-11 15:47:43,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:43,730 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 927 transitions. [2021-06-11 15:47:43,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 185.4) internal successors, (927), 5 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,733 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,733 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 221.0) internal successors, (1326), 6 states have internal predecessors, (1326), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,734 INFO L185 Difference]: Start difference. First operand has 39 places, 28 transitions, 68 flow. Second operand 5 states and 927 transitions. [2021-06-11 15:47:43,734 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 30 transitions, 84 flow [2021-06-11 15:47:43,734 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 30 transitions, 80 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:47:43,734 INFO L241 Difference]: Finished difference. Result has 42 places, 26 transitions, 68 flow [2021-06-11 15:47:43,735 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=221, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=68, PETRI_PLACES=42, PETRI_TRANSITIONS=26} [2021-06-11 15:47:43,735 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -2 predicate places. [2021-06-11 15:47:43,735 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:43,735 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 26 transitions, 68 flow [2021-06-11 15:47:43,735 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 26 transitions, 68 flow [2021-06-11 15:47:43,735 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 26 transitions, 68 flow [2021-06-11 15:47:43,738 INFO L129 PetriNetUnfolder]: 0/26 cut-off events. [2021-06-11 15:47:43,738 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:47:43,738 INFO L84 FinitePrefix]: Finished finitePrefix Result has 41 conditions, 26 events. 0/26 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 31 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-06-11 15:47:43,738 INFO L151 LiptonReduction]: Number of co-enabled transitions 328 [2021-06-11 15:47:43,881 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:43,882 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:43,904 INFO L163 LiptonReduction]: Checked pairs total: 713 [2021-06-11 15:47:43,904 INFO L165 LiptonReduction]: Total number of compositions: 1 [2021-06-11 15:47:43,904 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 169 [2021-06-11 15:47:43,906 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 25 transitions, 66 flow [2021-06-11 15:47:43,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.75) internal successors, (739), 4 states have internal predecessors, (739), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:43,907 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:43,907 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:43,907 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 15:47:43,907 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:43,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:43,907 INFO L82 PathProgramCache]: Analyzing trace with hash -491921225, now seen corresponding path program 1 times [2021-06-11 15:47:43,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:43,908 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620490281] [2021-06-11 15:47:43,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,012 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,016 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:47:44,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:44,033 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,033 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620490281] [2021-06-11 15:47:44,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:47:44,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64301699] [2021-06-11 15:47:44,040 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:47:44,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:47:44,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:47:44,042 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 170 out of 222 [2021-06-11 15:47:44,042 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 25 transitions, 66 flow. Second operand has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,042 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,042 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 170 of 222 [2021-06-11 15:47:44,043 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,097 INFO L129 PetriNetUnfolder]: 21/71 cut-off events. [2021-06-11 15:47:44,097 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-06-11 15:47:44,098 INFO L84 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 71 events. 21/71 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 201 event pairs, 13 based on Foata normal form. 1/71 useless extension candidates. Maximal degree in co-relation 135. Up to 40 conditions per place. [2021-06-11 15:47:44,098 INFO L132 encePairwiseOnDemand]: 217/222 looper letters, 8 selfloop transitions, 5 changer transitions 0/31 dead transitions. [2021-06-11 15:47:44,098 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 31 transitions, 107 flow [2021-06-11 15:47:44,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:47:44,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:47:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 694 transitions. [2021-06-11 15:47:44,100 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7815315315315315 [2021-06-11 15:47:44,101 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 694 transitions. [2021-06-11 15:47:44,101 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 694 transitions. [2021-06-11 15:47:44,101 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,101 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 694 transitions. [2021-06-11 15:47:44,102 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 173.5) internal successors, (694), 4 states have internal predecessors, (694), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,104 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,104 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,104 INFO L185 Difference]: Start difference. First operand has 37 places, 25 transitions, 66 flow. Second operand 4 states and 694 transitions. [2021-06-11 15:47:44,104 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 31 transitions, 107 flow [2021-06-11 15:47:44,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:47:44,105 INFO L241 Difference]: Finished difference. Result has 40 places, 29 transitions, 95 flow [2021-06-11 15:47:44,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=62, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=21, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=95, PETRI_PLACES=40, PETRI_TRANSITIONS=29} [2021-06-11 15:47:44,105 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, -4 predicate places. [2021-06-11 15:47:44,105 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 29 transitions, 95 flow [2021-06-11 15:47:44,106 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 29 transitions, 95 flow [2021-06-11 15:47:44,106 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 29 transitions, 95 flow [2021-06-11 15:47:44,111 INFO L129 PetriNetUnfolder]: 3/36 cut-off events. [2021-06-11 15:47:44,111 INFO L130 PetriNetUnfolder]: For 4/5 co-relation queries the response was YES. [2021-06-11 15:47:44,111 INFO L84 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 36 events. 3/36 cut-off events. For 4/5 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 66 event pairs, 1 based on Foata normal form. 1/37 useless extension candidates. Maximal degree in co-relation 60. Up to 8 conditions per place. [2021-06-11 15:47:44,111 INFO L151 LiptonReduction]: Number of co-enabled transitions 362 [2021-06-11 15:47:44,184 INFO L163 LiptonReduction]: Checked pairs total: 339 [2021-06-11 15:47:44,184 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,185 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 80 [2021-06-11 15:47:44,185 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 95 flow [2021-06-11 15:47:44,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 170.8) internal successors, (854), 5 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,186 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,186 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,186 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 15:47:44,186 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,186 INFO L82 PathProgramCache]: Analyzing trace with hash 1901804224, now seen corresponding path program 1 times [2021-06-11 15:47:44,186 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,187 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16701579] [2021-06-11 15:47:44,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,232 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,233 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:44,239 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:47:44,248 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,248 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,254 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,255 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,261 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16701579] [2021-06-11 15:47:44,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:47:44,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766842687] [2021-06-11 15:47:44,262 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:47:44,262 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:47:44,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:47:44,264 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 169 out of 222 [2021-06-11 15:47:44,264 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 95 flow. Second operand has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,265 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,265 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 169 of 222 [2021-06-11 15:47:44,265 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,328 INFO L129 PetriNetUnfolder]: 24/76 cut-off events. [2021-06-11 15:47:44,328 INFO L130 PetriNetUnfolder]: For 29/31 co-relation queries the response was YES. [2021-06-11 15:47:44,328 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187 conditions, 76 events. 24/76 cut-off events. For 29/31 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 222 event pairs, 2 based on Foata normal form. 3/78 useless extension candidates. Maximal degree in co-relation 175. Up to 40 conditions per place. [2021-06-11 15:47:44,329 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 9 selfloop transitions, 9 changer transitions 0/36 dead transitions. [2021-06-11 15:47:44,329 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 36 transitions, 150 flow [2021-06-11 15:47:44,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:47:44,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:47:44,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 861 transitions. [2021-06-11 15:47:44,331 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7756756756756756 [2021-06-11 15:47:44,331 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 861 transitions. [2021-06-11 15:47:44,332 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 861 transitions. [2021-06-11 15:47:44,332 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,332 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 861 transitions. [2021-06-11 15:47:44,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 172.2) internal successors, (861), 5 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,335 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,336 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,336 INFO L185 Difference]: Start difference. First operand has 40 places, 29 transitions, 95 flow. Second operand 5 states and 861 transitions. [2021-06-11 15:47:44,336 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 36 transitions, 150 flow [2021-06-11 15:47:44,336 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 36 transitions, 150 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-06-11 15:47:44,337 INFO L241 Difference]: Finished difference. Result has 45 places, 34 transitions, 140 flow [2021-06-11 15:47:44,337 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=95, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=140, PETRI_PLACES=45, PETRI_TRANSITIONS=34} [2021-06-11 15:47:44,337 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 1 predicate places. [2021-06-11 15:47:44,337 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,337 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 34 transitions, 140 flow [2021-06-11 15:47:44,338 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 34 transitions, 140 flow [2021-06-11 15:47:44,338 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 34 transitions, 140 flow [2021-06-11 15:47:44,345 INFO L129 PetriNetUnfolder]: 11/55 cut-off events. [2021-06-11 15:47:44,346 INFO L130 PetriNetUnfolder]: For 29/34 co-relation queries the response was YES. [2021-06-11 15:47:44,346 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 55 events. 11/55 cut-off events. For 29/34 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 142 event pairs, 3 based on Foata normal form. 2/56 useless extension candidates. Maximal degree in co-relation 127. Up to 20 conditions per place. [2021-06-11 15:47:44,346 INFO L151 LiptonReduction]: Number of co-enabled transitions 432 [2021-06-11 15:47:44,352 INFO L163 LiptonReduction]: Checked pairs total: 358 [2021-06-11 15:47:44,352 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 15:47:44,353 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 34 transitions, 140 flow [2021-06-11 15:47:44,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 169.83333333333334) internal successors, (1019), 6 states have internal predecessors, (1019), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,353 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,353 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,353 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 15:47:44,353 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,354 INFO L82 PathProgramCache]: Analyzing trace with hash 960795814, now seen corresponding path program 2 times [2021-06-11 15:47:44,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,354 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515513629] [2021-06-11 15:47:44,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,402 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:47:44,412 INFO L142 QuantifierPusher]: treesize reduction 10, result has 82.5 percent of original size [2021-06-11 15:47:44,413 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-06-11 15:47:44,430 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,431 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,438 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515513629] [2021-06-11 15:47:44,438 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,438 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:47:44,438 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [61172689] [2021-06-11 15:47:44,438 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:47:44,439 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:47:44,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:47:44,440 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 222 [2021-06-11 15:47:44,441 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 34 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,441 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,441 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 222 [2021-06-11 15:47:44,441 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,503 INFO L129 PetriNetUnfolder]: 27/80 cut-off events. [2021-06-11 15:47:44,503 INFO L130 PetriNetUnfolder]: For 70/74 co-relation queries the response was YES. [2021-06-11 15:47:44,504 INFO L84 FinitePrefix]: Finished finitePrefix Result has 258 conditions, 80 events. 27/80 cut-off events. For 70/74 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 238 event pairs, 5 based on Foata normal form. 5/84 useless extension candidates. Maximal degree in co-relation 243. Up to 44 conditions per place. [2021-06-11 15:47:44,504 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 12 selfloop transitions, 12 changer transitions 0/42 dead transitions. [2021-06-11 15:47:44,504 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 42 transitions, 230 flow [2021-06-11 15:47:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:47:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:47:44,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 877 transitions. [2021-06-11 15:47:44,506 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7900900900900901 [2021-06-11 15:47:44,506 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 877 transitions. [2021-06-11 15:47:44,506 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 877 transitions. [2021-06-11 15:47:44,507 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,507 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 877 transitions. [2021-06-11 15:47:44,508 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 175.4) internal successors, (877), 5 states have internal predecessors, (877), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,509 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,510 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,510 INFO L185 Difference]: Start difference. First operand has 45 places, 34 transitions, 140 flow. Second operand 5 states and 877 transitions. [2021-06-11 15:47:44,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 42 transitions, 230 flow [2021-06-11 15:47:44,511 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 42 transitions, 222 flow, removed 4 selfloop flow, removed 0 redundant places. [2021-06-11 15:47:44,512 INFO L241 Difference]: Finished difference. Result has 51 places, 41 transitions, 217 flow [2021-06-11 15:47:44,512 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=217, PETRI_PLACES=51, PETRI_TRANSITIONS=41} [2021-06-11 15:47:44,512 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 7 predicate places. [2021-06-11 15:47:44,512 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,512 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 51 places, 41 transitions, 217 flow [2021-06-11 15:47:44,512 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 51 places, 41 transitions, 217 flow [2021-06-11 15:47:44,512 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 41 transitions, 217 flow [2021-06-11 15:47:44,519 INFO L129 PetriNetUnfolder]: 21/73 cut-off events. [2021-06-11 15:47:44,519 INFO L130 PetriNetUnfolder]: For 99/104 co-relation queries the response was YES. [2021-06-11 15:47:44,520 INFO L84 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 73 events. 21/73 cut-off events. For 99/104 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 250 event pairs, 4 based on Foata normal form. 2/72 useless extension candidates. Maximal degree in co-relation 219. Up to 27 conditions per place. [2021-06-11 15:47:44,520 INFO L151 LiptonReduction]: Number of co-enabled transitions 512 [2021-06-11 15:47:44,524 INFO L163 LiptonReduction]: Checked pairs total: 476 [2021-06-11 15:47:44,524 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,524 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 15:47:44,525 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 41 transitions, 217 flow [2021-06-11 15:47:44,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 172.83333333333334) internal successors, (1037), 6 states have internal predecessors, (1037), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,525 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,525 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 15:47:44,525 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1962667144, now seen corresponding path program 3 times [2021-06-11 15:47:44,526 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,526 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71113489] [2021-06-11 15:47:44,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:44,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:44,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,573 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,573 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:47:44,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71113489] [2021-06-11 15:47:44,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:47:44,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999776744] [2021-06-11 15:47:44,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:47:44,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:47:44,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:47:44,575 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 222 [2021-06-11 15:47:44,575 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 41 transitions, 217 flow. Second operand has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,575 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,575 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 222 [2021-06-11 15:47:44,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,607 INFO L129 PetriNetUnfolder]: 26/86 cut-off events. [2021-06-11 15:47:44,607 INFO L130 PetriNetUnfolder]: For 157/171 co-relation queries the response was YES. [2021-06-11 15:47:44,607 INFO L84 FinitePrefix]: Finished finitePrefix Result has 319 conditions, 86 events. 26/86 cut-off events. For 157/171 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 297 event pairs, 7 based on Foata normal form. 10/94 useless extension candidates. Maximal degree in co-relation 300. Up to 42 conditions per place. [2021-06-11 15:47:44,608 INFO L132 encePairwiseOnDemand]: 217/222 looper letters, 12 selfloop transitions, 14 changer transitions 0/44 dead transitions. [2021-06-11 15:47:44,608 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 54 places, 44 transitions, 289 flow [2021-06-11 15:47:44,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:47:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:47:44,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 724 transitions. [2021-06-11 15:47:44,610 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8153153153153153 [2021-06-11 15:47:44,610 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 724 transitions. [2021-06-11 15:47:44,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 724 transitions. [2021-06-11 15:47:44,610 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,610 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 724 transitions. [2021-06-11 15:47:44,611 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 181.0) internal successors, (724), 4 states have internal predecessors, (724), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,612 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,613 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,613 INFO L185 Difference]: Start difference. First operand has 51 places, 41 transitions, 217 flow. Second operand 4 states and 724 transitions. [2021-06-11 15:47:44,613 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 54 places, 44 transitions, 289 flow [2021-06-11 15:47:44,614 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 44 transitions, 277 flow, removed 2 selfloop flow, removed 1 redundant places. [2021-06-11 15:47:44,614 INFO L241 Difference]: Finished difference. Result has 54 places, 43 transitions, 266 flow [2021-06-11 15:47:44,615 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=205, PETRI_DIFFERENCE_MINUEND_PLACES=50, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=266, PETRI_PLACES=54, PETRI_TRANSITIONS=43} [2021-06-11 15:47:44,615 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 10 predicate places. [2021-06-11 15:47:44,615 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,615 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 43 transitions, 266 flow [2021-06-11 15:47:44,615 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 43 transitions, 266 flow [2021-06-11 15:47:44,615 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 43 transitions, 266 flow [2021-06-11 15:47:44,622 INFO L129 PetriNetUnfolder]: 20/74 cut-off events. [2021-06-11 15:47:44,622 INFO L130 PetriNetUnfolder]: For 144/150 co-relation queries the response was YES. [2021-06-11 15:47:44,622 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272 conditions, 74 events. 20/74 cut-off events. For 144/150 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 241 event pairs, 2 based on Foata normal form. 2/73 useless extension candidates. Maximal degree in co-relation 253. Up to 29 conditions per place. [2021-06-11 15:47:44,623 INFO L151 LiptonReduction]: Number of co-enabled transitions 542 [2021-06-11 15:47:44,627 INFO L163 LiptonReduction]: Checked pairs total: 515 [2021-06-11 15:47:44,627 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,627 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 12 [2021-06-11 15:47:44,627 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 43 transitions, 266 flow [2021-06-11 15:47:44,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 179.0) internal successors, (895), 5 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,628 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,628 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,628 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-11 15:47:44,628 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1933181153, now seen corresponding path program 1 times [2021-06-11 15:47:44,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574455212] [2021-06-11 15:47:44,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,660 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:44,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,663 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:44,667 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,667 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:44,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,667 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574455212] [2021-06-11 15:47:44,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:47:44,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209340686] [2021-06-11 15:47:44,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:47:44,668 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:47:44,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:47:44,669 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 222 [2021-06-11 15:47:44,670 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 43 transitions, 266 flow. Second operand has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,670 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,670 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 222 [2021-06-11 15:47:44,670 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,738 INFO L129 PetriNetUnfolder]: 199/397 cut-off events. [2021-06-11 15:47:44,739 INFO L130 PetriNetUnfolder]: For 656/769 co-relation queries the response was YES. [2021-06-11 15:47:44,740 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1236 conditions, 397 events. 199/397 cut-off events. For 656/769 co-relation queries the response was YES. Maximal size of possible extension queue 70. Compared 2210 event pairs, 88 based on Foata normal form. 45/406 useless extension candidates. Maximal degree in co-relation 1215. Up to 210 conditions per place. [2021-06-11 15:47:44,741 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 11 selfloop transitions, 9 changer transitions 2/56 dead transitions. [2021-06-11 15:47:44,742 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 56 transitions, 336 flow [2021-06-11 15:47:44,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:47:44,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:47:44,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 922 transitions. [2021-06-11 15:47:44,744 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8306306306306306 [2021-06-11 15:47:44,744 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 922 transitions. [2021-06-11 15:47:44,744 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 922 transitions. [2021-06-11 15:47:44,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,744 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 922 transitions. [2021-06-11 15:47:44,745 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 184.4) internal successors, (922), 5 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,747 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,748 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 222.0) internal successors, (1332), 6 states have internal predecessors, (1332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,748 INFO L185 Difference]: Start difference. First operand has 54 places, 43 transitions, 266 flow. Second operand 5 states and 922 transitions. [2021-06-11 15:47:44,748 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 56 transitions, 336 flow [2021-06-11 15:47:44,752 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 56 transitions, 313 flow, removed 4 selfloop flow, removed 2 redundant places. [2021-06-11 15:47:44,752 INFO L241 Difference]: Finished difference. Result has 59 places, 51 transitions, 320 flow [2021-06-11 15:47:44,753 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=243, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=43, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=320, PETRI_PLACES=59, PETRI_TRANSITIONS=51} [2021-06-11 15:47:44,753 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 15 predicate places. [2021-06-11 15:47:44,753 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,753 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 51 transitions, 320 flow [2021-06-11 15:47:44,753 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 51 transitions, 320 flow [2021-06-11 15:47:44,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 51 transitions, 320 flow [2021-06-11 15:47:44,785 INFO L129 PetriNetUnfolder]: 201/398 cut-off events. [2021-06-11 15:47:44,785 INFO L130 PetriNetUnfolder]: For 656/746 co-relation queries the response was YES. [2021-06-11 15:47:44,786 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1381 conditions, 398 events. 201/398 cut-off events. For 656/746 co-relation queries the response was YES. Maximal size of possible extension queue 64. Compared 2189 event pairs, 85 based on Foata normal form. 6/369 useless extension candidates. Maximal degree in co-relation 1359. Up to 222 conditions per place. [2021-06-11 15:47:44,789 INFO L151 LiptonReduction]: Number of co-enabled transitions 756 [2021-06-11 15:47:44,794 INFO L163 LiptonReduction]: Checked pairs total: 634 [2021-06-11 15:47:44,794 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,794 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41 [2021-06-11 15:47:44,795 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 51 transitions, 320 flow [2021-06-11 15:47:44,795 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 180.75) internal successors, (723), 4 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,795 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,795 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,795 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-06-11 15:47:44,795 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,796 INFO L82 PathProgramCache]: Analyzing trace with hash 865558107, now seen corresponding path program 1 times [2021-06-11 15:47:44,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945458382] [2021-06-11 15:47:44,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:44,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:44,847 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,847 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:44,850 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:44,856 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:44,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:44,856 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945458382] [2021-06-11 15:47:44,856 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:44,856 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:47:44,857 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [397068812] [2021-06-11 15:47:44,857 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:47:44,857 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:44,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:47:44,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:47:44,858 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 222 [2021-06-11 15:47:44,859 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 51 transitions, 320 flow. Second operand has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,859 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:44,859 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 222 [2021-06-11 15:47:44,859 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:44,933 INFO L129 PetriNetUnfolder]: 146/315 cut-off events. [2021-06-11 15:47:44,933 INFO L130 PetriNetUnfolder]: For 850/1360 co-relation queries the response was YES. [2021-06-11 15:47:44,934 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1280 conditions, 315 events. 146/315 cut-off events. For 850/1360 co-relation queries the response was YES. Maximal size of possible extension queue 56. Compared 1610 event pairs, 28 based on Foata normal form. 80/367 useless extension candidates. Maximal degree in co-relation 1256. Up to 202 conditions per place. [2021-06-11 15:47:44,935 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 11 selfloop transitions, 17 changer transitions 2/64 dead transitions. [2021-06-11 15:47:44,935 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 456 flow [2021-06-11 15:47:44,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 15:47:44,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 15:47:44,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1290 transitions. [2021-06-11 15:47:44,938 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8301158301158301 [2021-06-11 15:47:44,938 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1290 transitions. [2021-06-11 15:47:44,938 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1290 transitions. [2021-06-11 15:47:44,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:44,939 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1290 transitions. [2021-06-11 15:47:44,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 184.28571428571428) internal successors, (1290), 7 states have internal predecessors, (1290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,942 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 222.0) internal successors, (1776), 8 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,943 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 222.0) internal successors, (1776), 8 states have internal predecessors, (1776), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,943 INFO L185 Difference]: Start difference. First operand has 59 places, 51 transitions, 320 flow. Second operand 7 states and 1290 transitions. [2021-06-11 15:47:44,943 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 456 flow [2021-06-11 15:47:44,944 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 64 places, 64 transitions, 451 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:47:44,947 INFO L241 Difference]: Finished difference. Result has 67 places, 59 transitions, 444 flow [2021-06-11 15:47:44,947 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=315, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=444, PETRI_PLACES=67, PETRI_TRANSITIONS=59} [2021-06-11 15:47:44,947 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 23 predicate places. [2021-06-11 15:47:44,947 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:44,947 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 59 transitions, 444 flow [2021-06-11 15:47:44,947 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 67 places, 59 transitions, 444 flow [2021-06-11 15:47:44,948 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 59 transitions, 444 flow [2021-06-11 15:47:44,970 INFO L129 PetriNetUnfolder]: 129/290 cut-off events. [2021-06-11 15:47:44,970 INFO L130 PetriNetUnfolder]: For 958/1206 co-relation queries the response was YES. [2021-06-11 15:47:44,971 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1346 conditions, 290 events. 129/290 cut-off events. For 958/1206 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1541 event pairs, 20 based on Foata normal form. 8/277 useless extension candidates. Maximal degree in co-relation 1320. Up to 182 conditions per place. [2021-06-11 15:47:44,973 INFO L151 LiptonReduction]: Number of co-enabled transitions 874 [2021-06-11 15:47:44,979 INFO L163 LiptonReduction]: Checked pairs total: 835 [2021-06-11 15:47:44,979 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:44,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 32 [2021-06-11 15:47:44,979 INFO L480 AbstractCegarLoop]: Abstraction has has 67 places, 59 transitions, 444 flow [2021-06-11 15:47:44,980 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 180.8) internal successors, (904), 5 states have internal predecessors, (904), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:44,980 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:44,980 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:44,980 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-06-11 15:47:44,980 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:44,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:44,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1406576269, now seen corresponding path program 1 times [2021-06-11 15:47:44,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:44,981 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210430890] [2021-06-11 15:47:44,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:44,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:45,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:45,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,023 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:45,029 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1210430890] [2021-06-11 15:47:45,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:45,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:47:45,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242945182] [2021-06-11 15:47:45,029 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:47:45,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:45,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:47:45,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:47:45,030 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 191 out of 222 [2021-06-11 15:47:45,030 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 59 transitions, 444 flow. Second operand has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,030 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:45,030 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 191 of 222 [2021-06-11 15:47:45,031 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:45,091 INFO L129 PetriNetUnfolder]: 273/585 cut-off events. [2021-06-11 15:47:45,091 INFO L130 PetriNetUnfolder]: For 2334/3269 co-relation queries the response was YES. [2021-06-11 15:47:45,093 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2764 conditions, 585 events. 273/585 cut-off events. For 2334/3269 co-relation queries the response was YES. Maximal size of possible extension queue 95. Compared 3727 event pairs, 55 based on Foata normal form. 34/565 useless extension candidates. Maximal degree in co-relation 2736. Up to 391 conditions per place. [2021-06-11 15:47:45,095 INFO L132 encePairwiseOnDemand]: 219/222 looper letters, 4 selfloop transitions, 2 changer transitions 1/61 dead transitions. [2021-06-11 15:47:45,096 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 61 transitions, 468 flow [2021-06-11 15:47:45,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:47:45,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:47:45,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 771 transitions. [2021-06-11 15:47:45,098 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8682432432432432 [2021-06-11 15:47:45,098 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 771 transitions. [2021-06-11 15:47:45,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 771 transitions. [2021-06-11 15:47:45,098 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:45,098 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 771 transitions. [2021-06-11 15:47:45,099 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 192.75) internal successors, (771), 4 states have internal predecessors, (771), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,100 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,100 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,100 INFO L185 Difference]: Start difference. First operand has 67 places, 59 transitions, 444 flow. Second operand 4 states and 771 transitions. [2021-06-11 15:47:45,101 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 61 transitions, 468 flow [2021-06-11 15:47:45,106 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 61 transitions, 423 flow, removed 15 selfloop flow, removed 3 redundant places. [2021-06-11 15:47:45,107 INFO L241 Difference]: Finished difference. Result has 69 places, 59 transitions, 403 flow [2021-06-11 15:47:45,107 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=399, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=403, PETRI_PLACES=69, PETRI_TRANSITIONS=59} [2021-06-11 15:47:45,107 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 25 predicate places. [2021-06-11 15:47:45,107 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:45,107 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 59 transitions, 403 flow [2021-06-11 15:47:45,107 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 59 transitions, 403 flow [2021-06-11 15:47:45,108 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 59 transitions, 403 flow [2021-06-11 15:47:45,167 INFO L129 PetriNetUnfolder]: 254/548 cut-off events. [2021-06-11 15:47:45,167 INFO L130 PetriNetUnfolder]: For 1978/2152 co-relation queries the response was YES. [2021-06-11 15:47:45,169 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2344 conditions, 548 events. 254/548 cut-off events. For 1978/2152 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 3420 event pairs, 42 based on Foata normal form. 16/525 useless extension candidates. Maximal degree in co-relation 2317. Up to 317 conditions per place. [2021-06-11 15:47:45,173 INFO L151 LiptonReduction]: Number of co-enabled transitions 904 [2021-06-11 15:47:45,179 INFO L163 LiptonReduction]: Checked pairs total: 629 [2021-06-11 15:47:45,179 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:45,179 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 72 [2021-06-11 15:47:45,179 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 59 transitions, 403 flow [2021-06-11 15:47:45,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 192.0) internal successors, (768), 4 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:45,180 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:47:45,180 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-06-11 15:47:45,180 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:45,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:45,180 INFO L82 PathProgramCache]: Analyzing trace with hash -583508353, now seen corresponding path program 2 times [2021-06-11 15:47:45,180 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:45,180 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602350378] [2021-06-11 15:47:45,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:45,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,212 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,215 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,218 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:45,223 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:45,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:45,223 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1602350378] [2021-06-11 15:47:45,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:45,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:47:45,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815688424] [2021-06-11 15:47:45,224 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:47:45,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:45,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:47:45,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:47:45,225 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 222 [2021-06-11 15:47:45,226 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 59 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,226 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:45,226 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 222 [2021-06-11 15:47:45,226 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:45,327 INFO L129 PetriNetUnfolder]: 190/442 cut-off events. [2021-06-11 15:47:45,327 INFO L130 PetriNetUnfolder]: For 2585/3821 co-relation queries the response was YES. [2021-06-11 15:47:45,329 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2149 conditions, 442 events. 190/442 cut-off events. For 2585/3821 co-relation queries the response was YES. Maximal size of possible extension queue 85. Compared 2723 event pairs, 7 based on Foata normal form. 230/632 useless extension candidates. Maximal degree in co-relation 2120. Up to 271 conditions per place. [2021-06-11 15:47:45,330 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 6 selfloop transitions, 25 changer transitions 5/65 dead transitions. [2021-06-11 15:47:45,330 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 77 places, 65 transitions, 535 flow [2021-06-11 15:47:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-11 15:47:45,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-06-11 15:47:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1658 transitions. [2021-06-11 15:47:45,333 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8298298298298298 [2021-06-11 15:47:45,333 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1658 transitions. [2021-06-11 15:47:45,333 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1658 transitions. [2021-06-11 15:47:45,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:45,334 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1658 transitions. [2021-06-11 15:47:45,336 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 184.22222222222223) internal successors, (1658), 9 states have internal predecessors, (1658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,338 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,339 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 222.0) internal successors, (2220), 10 states have internal predecessors, (2220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,339 INFO L185 Difference]: Start difference. First operand has 69 places, 59 transitions, 403 flow. Second operand 9 states and 1658 transitions. [2021-06-11 15:47:45,339 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 77 places, 65 transitions, 535 flow [2021-06-11 15:47:45,342 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 65 transitions, 523 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-06-11 15:47:45,343 INFO L241 Difference]: Finished difference. Result has 76 places, 60 transitions, 486 flow [2021-06-11 15:47:45,344 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=325, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=486, PETRI_PLACES=76, PETRI_TRANSITIONS=60} [2021-06-11 15:47:45,344 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 32 predicate places. [2021-06-11 15:47:45,344 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:45,344 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 60 transitions, 486 flow [2021-06-11 15:47:45,344 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 60 transitions, 486 flow [2021-06-11 15:47:45,344 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 60 transitions, 486 flow [2021-06-11 15:47:45,370 INFO L129 PetriNetUnfolder]: 145/382 cut-off events. [2021-06-11 15:47:45,371 INFO L130 PetriNetUnfolder]: For 2078/2318 co-relation queries the response was YES. [2021-06-11 15:47:45,377 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1961 conditions, 382 events. 145/382 cut-off events. For 2078/2318 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 2432 event pairs, 5 based on Foata normal form. 7/357 useless extension candidates. Maximal degree in co-relation 1931. Up to 226 conditions per place. [2021-06-11 15:47:45,380 INFO L151 LiptonReduction]: Number of co-enabled transitions 962 [2021-06-11 15:47:45,386 INFO L163 LiptonReduction]: Checked pairs total: 858 [2021-06-11 15:47:45,386 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:45,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42 [2021-06-11 15:47:45,386 INFO L480 AbstractCegarLoop]: Abstraction has has 76 places, 60 transitions, 486 flow [2021-06-11 15:47:45,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 180.83333333333334) internal successors, (1085), 6 states have internal predecessors, (1085), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,387 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:45,387 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] [2021-06-11 15:47:45,387 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-06-11 15:47:45,387 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:45,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:45,388 INFO L82 PathProgramCache]: Analyzing trace with hash 512079303, now seen corresponding path program 1 times [2021-06-11 15:47:45,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:45,388 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1272477205] [2021-06-11 15:47:45,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:45,441 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,443 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,444 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,454 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-11 15:47:45,460 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:45,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:45,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1272477205] [2021-06-11 15:47:45,461 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:45,461 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 15:47:45,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347347726] [2021-06-11 15:47:45,461 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:47:45,461 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:45,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:47:45,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:47:45,462 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 180 out of 222 [2021-06-11 15:47:45,463 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 76 places, 60 transitions, 486 flow. Second operand has 7 states, 7 states have (on average 180.85714285714286) internal successors, (1266), 7 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,463 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:45,463 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 180 of 222 [2021-06-11 15:47:45,463 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:45,568 INFO L129 PetriNetUnfolder]: 145/368 cut-off events. [2021-06-11 15:47:45,568 INFO L130 PetriNetUnfolder]: For 2855/4319 co-relation queries the response was YES. [2021-06-11 15:47:45,570 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2163 conditions, 368 events. 145/368 cut-off events. For 2855/4319 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 2278 event pairs, 0 based on Foata normal form. 191/521 useless extension candidates. Maximal degree in co-relation 2131. Up to 226 conditions per place. [2021-06-11 15:47:45,572 INFO L132 encePairwiseOnDemand]: 215/222 looper letters, 2 selfloop transitions, 30 changer transitions 4/65 dead transitions. [2021-06-11 15:47:45,572 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 65 transitions, 616 flow [2021-06-11 15:47:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-11 15:47:45,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-06-11 15:47:45,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 2018 transitions. [2021-06-11 15:47:45,575 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8263718263718264 [2021-06-11 15:47:45,575 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 2018 transitions. [2021-06-11 15:47:45,575 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 2018 transitions. [2021-06-11 15:47:45,576 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:45,576 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 2018 transitions. [2021-06-11 15:47:45,579 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 183.45454545454547) internal successors, (2018), 11 states have internal predecessors, (2018), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,581 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 222.0) internal successors, (2664), 12 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,582 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 222.0) internal successors, (2664), 12 states have internal predecessors, (2664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,582 INFO L185 Difference]: Start difference. First operand has 76 places, 60 transitions, 486 flow. Second operand 11 states and 2018 transitions. [2021-06-11 15:47:45,582 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 65 transitions, 616 flow [2021-06-11 15:47:45,588 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 81 places, 65 transitions, 518 flow, removed 34 selfloop flow, removed 5 redundant places. [2021-06-11 15:47:45,590 INFO L241 Difference]: Finished difference. Result has 84 places, 61 transitions, 475 flow [2021-06-11 15:47:45,591 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=388, PETRI_DIFFERENCE_MINUEND_PLACES=71, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=475, PETRI_PLACES=84, PETRI_TRANSITIONS=61} [2021-06-11 15:47:45,591 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 40 predicate places. [2021-06-11 15:47:45,591 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:45,591 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 84 places, 61 transitions, 475 flow [2021-06-11 15:47:45,591 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 84 places, 61 transitions, 475 flow [2021-06-11 15:47:45,591 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 83 places, 61 transitions, 475 flow [2021-06-11 15:47:45,611 INFO L129 PetriNetUnfolder]: 123/330 cut-off events. [2021-06-11 15:47:45,611 INFO L130 PetriNetUnfolder]: For 985/1070 co-relation queries the response was YES. [2021-06-11 15:47:45,612 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1429 conditions, 330 events. 123/330 cut-off events. For 985/1070 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 2065 event pairs, 0 based on Foata normal form. 5/303 useless extension candidates. Maximal degree in co-relation 1396. Up to 80 conditions per place. [2021-06-11 15:47:45,615 INFO L151 LiptonReduction]: Number of co-enabled transitions 924 [2021-06-11 15:47:45,621 INFO L163 LiptonReduction]: Checked pairs total: 818 [2021-06-11 15:47:45,621 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:45,621 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 30 [2021-06-11 15:47:45,623 INFO L480 AbstractCegarLoop]: Abstraction has has 83 places, 61 transitions, 475 flow [2021-06-11 15:47:45,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 180.85714285714286) internal successors, (1266), 7 states have internal predecessors, (1266), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,624 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:45,624 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] [2021-06-11 15:47:45,624 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-06-11 15:47:45,624 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:45,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:45,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1540333599, now seen corresponding path program 1 times [2021-06-11 15:47:45,624 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:45,624 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877075947] [2021-06-11 15:47:45,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:45,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,668 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:45,668 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,671 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:45,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877075947] [2021-06-11 15:47:45,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:45,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:47:45,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037006906] [2021-06-11 15:47:45,674 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:47:45,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:45,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:47:45,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:47:45,675 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 222 [2021-06-11 15:47:45,676 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 83 places, 61 transitions, 475 flow. Second operand has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,676 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:45,676 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 222 [2021-06-11 15:47:45,676 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:45,730 INFO L129 PetriNetUnfolder]: 272/662 cut-off events. [2021-06-11 15:47:45,731 INFO L130 PetriNetUnfolder]: For 2460/2795 co-relation queries the response was YES. [2021-06-11 15:47:45,734 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2896 conditions, 662 events. 272/662 cut-off events. For 2460/2795 co-relation queries the response was YES. Maximal size of possible extension queue 157. Compared 4872 event pairs, 0 based on Foata normal form. 12/575 useless extension candidates. Maximal degree in co-relation 2861. Up to 180 conditions per place. [2021-06-11 15:47:45,736 INFO L132 encePairwiseOnDemand]: 219/222 looper letters, 3 selfloop transitions, 2 changer transitions 0/62 dead transitions. [2021-06-11 15:47:45,736 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 62 transitions, 487 flow [2021-06-11 15:47:45,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:47:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:47:45,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-06-11 15:47:45,738 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8490990990990991 [2021-06-11 15:47:45,738 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-06-11 15:47:45,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-06-11 15:47:45,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:45,738 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-06-11 15:47:45,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 188.5) internal successors, (754), 4 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,751 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,752 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 222.0) internal successors, (1110), 5 states have internal predecessors, (1110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,752 INFO L185 Difference]: Start difference. First operand has 83 places, 61 transitions, 475 flow. Second operand 4 states and 754 transitions. [2021-06-11 15:47:45,752 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 62 transitions, 487 flow [2021-06-11 15:47:45,767 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 76 places, 62 transitions, 380 flow, removed 26 selfloop flow, removed 10 redundant places. [2021-06-11 15:47:45,768 INFO L241 Difference]: Finished difference. Result has 78 places, 62 transitions, 381 flow [2021-06-11 15:47:45,768 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=368, PETRI_DIFFERENCE_MINUEND_PLACES=73, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=381, PETRI_PLACES=78, PETRI_TRANSITIONS=62} [2021-06-11 15:47:45,769 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 34 predicate places. [2021-06-11 15:47:45,769 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:45,769 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 62 transitions, 381 flow [2021-06-11 15:47:45,769 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 62 transitions, 381 flow [2021-06-11 15:47:45,769 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 78 places, 62 transitions, 381 flow [2021-06-11 15:47:45,805 INFO L129 PetriNetUnfolder]: 240/614 cut-off events. [2021-06-11 15:47:45,805 INFO L130 PetriNetUnfolder]: For 1048/1118 co-relation queries the response was YES. [2021-06-11 15:47:45,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2140 conditions, 614 events. 240/614 cut-off events. For 1048/1118 co-relation queries the response was YES. Maximal size of possible extension queue 127. Compared 4395 event pairs, 0 based on Foata normal form. 6/533 useless extension candidates. Maximal degree in co-relation 2109. Up to 160 conditions per place. [2021-06-11 15:47:45,812 INFO L151 LiptonReduction]: Number of co-enabled transitions 960 [2021-06-11 15:47:45,817 INFO L163 LiptonReduction]: Checked pairs total: 436 [2021-06-11 15:47:45,818 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:47:45,818 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-06-11 15:47:45,818 INFO L480 AbstractCegarLoop]: Abstraction has has 78 places, 62 transitions, 381 flow [2021-06-11 15:47:45,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:45,818 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] [2021-06-11 15:47:45,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-06-11 15:47:45,819 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:45,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:45,819 INFO L82 PathProgramCache]: Analyzing trace with hash -219729141, now seen corresponding path program 2 times [2021-06-11 15:47:45,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:45,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385205339] [2021-06-11 15:47:45,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:47:45,869 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,869 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:45,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,870 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:47:45,873 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 15:47:45,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 15:47:45,884 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-06-11 15:47:45,885 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-06-11 15:47:45,896 INFO L142 QuantifierPusher]: treesize reduction 10, result has 56.5 percent of original size [2021-06-11 15:47:45,897 INFO L147 QuantifierPusher]: treesize reduction 4, result has 69.2 percent of original size 9 [2021-06-11 15:47:45,907 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:45,907 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-06-11 15:47:45,912 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:47:45,912 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385205339] [2021-06-11 15:47:45,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:47:45,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-06-11 15:47:45,912 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708705263] [2021-06-11 15:47:45,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:47:45,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:47:45,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:47:45,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:47:45,914 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 168 out of 222 [2021-06-11 15:47:45,915 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 62 transitions, 381 flow. Second operand has 7 states, 7 states have (on average 169.14285714285714) internal successors, (1184), 7 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:45,915 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:47:45,915 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 168 of 222 [2021-06-11 15:47:45,915 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:47:46,223 INFO L129 PetriNetUnfolder]: 1047/2610 cut-off events. [2021-06-11 15:47:46,223 INFO L130 PetriNetUnfolder]: For 6038/6563 co-relation queries the response was YES. [2021-06-11 15:47:46,234 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9319 conditions, 2610 events. 1047/2610 cut-off events. For 6038/6563 co-relation queries the response was YES. Maximal size of possible extension queue 518. Compared 25930 event pairs, 11 based on Foata normal form. 119/2444 useless extension candidates. Maximal degree in co-relation 9286. Up to 683 conditions per place. [2021-06-11 15:47:46,237 INFO L132 encePairwiseOnDemand]: 216/222 looper letters, 12 selfloop transitions, 1 changer transitions 51/108 dead transitions. [2021-06-11 15:47:46,237 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 85 places, 108 transitions, 852 flow [2021-06-11 15:47:46,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-11 15:47:46,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-06-11 15:47:46,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1371 transitions. [2021-06-11 15:47:46,240 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7719594594594594 [2021-06-11 15:47:46,240 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1371 transitions. [2021-06-11 15:47:46,240 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1371 transitions. [2021-06-11 15:47:46,241 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:47:46,241 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1371 transitions. [2021-06-11 15:47:46,243 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 171.375) internal successors, (1371), 8 states have internal predecessors, (1371), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:46,245 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 222.0) internal successors, (1998), 9 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:46,245 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 222.0) internal successors, (1998), 9 states have internal predecessors, (1998), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:46,245 INFO L185 Difference]: Start difference. First operand has 78 places, 62 transitions, 381 flow. Second operand 8 states and 1371 transitions. [2021-06-11 15:47:46,245 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 85 places, 108 transitions, 852 flow [2021-06-11 15:47:46,374 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 108 transitions, 851 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:47:46,375 INFO L241 Difference]: Finished difference. Result has 90 places, 55 transitions, 367 flow [2021-06-11 15:47:46,375 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=222, PETRI_DIFFERENCE_MINUEND_FLOW=380, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=367, PETRI_PLACES=90, PETRI_TRANSITIONS=55} [2021-06-11 15:47:46,376 INFO L343 CegarLoopForPetriNet]: 44 programPoint places, 46 predicate places. [2021-06-11 15:47:46,376 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:47:46,376 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 55 transitions, 367 flow [2021-06-11 15:47:46,376 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 55 transitions, 367 flow [2021-06-11 15:47:46,376 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 82 places, 55 transitions, 367 flow [2021-06-11 15:47:46,407 INFO L129 PetriNetUnfolder]: 194/557 cut-off events. [2021-06-11 15:47:46,407 INFO L130 PetriNetUnfolder]: For 1196/1269 co-relation queries the response was YES. [2021-06-11 15:47:46,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2003 conditions, 557 events. 194/557 cut-off events. For 1196/1269 co-relation queries the response was YES. Maximal size of possible extension queue 106. Compared 4181 event pairs, 6 based on Foata normal form. 10/502 useless extension candidates. Maximal degree in co-relation 1968. Up to 148 conditions per place. [2021-06-11 15:47:46,412 INFO L151 LiptonReduction]: Number of co-enabled transitions 624 [2021-06-11 15:47:46,433 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:46,434 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:46,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:47:46,474 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:47:46,483 INFO L163 LiptonReduction]: Checked pairs total: 103 [2021-06-11 15:47:46,483 INFO L165 LiptonReduction]: Total number of compositions: 3 [2021-06-11 15:47:46,483 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 107 [2021-06-11 15:47:46,483 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 53 transitions, 366 flow [2021-06-11 15:47:46,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 169.14285714285714) internal successors, (1184), 7 states have internal predecessors, (1184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:47:46,484 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:47:46,484 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] [2021-06-11 15:47:46,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-06-11 15:47:46,484 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:47:46,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:47:46,484 INFO L82 PathProgramCache]: Analyzing trace with hash 796674239, now seen corresponding path program 3 times [2021-06-11 15:47:46,484 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:47:46,484 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813224434] [2021-06-11 15:47:46,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:47:46,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:47:46,514 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:47:46,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:47:46,549 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:47:46,582 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 15:47:46,582 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 15:47:46,582 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-06-11 15:47:46,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 03:47:46 BasicIcfg [2021-06-11 15:47:46,660 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 15:47:46,660 INFO L168 Benchmark]: Toolchain (without parser) took 17862.01 ms. Allocated memory was 375.4 MB in the beginning and 748.7 MB in the end (delta: 373.3 MB). Free memory was 338.1 MB in the beginning and 500.6 MB in the end (delta: -162.5 MB). Peak memory consumption was 213.8 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 375.4 MB. Free memory was 356.5 MB in the beginning and 356.4 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 453.61 ms. Allocated memory is still 375.4 MB. Free memory was 338.0 MB in the beginning and 333.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.53 ms. Allocated memory is still 375.4 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: Boogie Preprocessor took 27.52 ms. Allocated memory is still 375.4 MB. Free memory was 331.8 MB in the beginning and 329.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: RCFGBuilder took 1342.75 ms. Allocated memory is still 375.4 MB. Free memory was 329.7 MB in the beginning and 295.1 MB in the end (delta: 34.6 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L168 Benchmark]: TraceAbstraction took 15966.47 ms. Allocated memory was 375.4 MB in the beginning and 748.7 MB in the end (delta: 373.3 MB). Free memory was 295.1 MB in the beginning and 500.6 MB in the end (delta: -205.6 MB). Peak memory consumption was 168.7 MB. Max. memory is 16.0 GB. [2021-06-11 15:47:46,661 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 375.4 MB. Free memory was 356.5 MB in the beginning and 356.4 MB in the end (delta: 76.2 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 453.61 ms. Allocated memory is still 375.4 MB. Free memory was 338.0 MB in the beginning and 333.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 9.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 65.53 ms. Allocated memory is still 375.4 MB. Free memory was 333.9 MB in the beginning and 331.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.52 ms. Allocated memory is still 375.4 MB. Free memory was 331.8 MB in the beginning and 329.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1342.75 ms. Allocated memory is still 375.4 MB. Free memory was 329.7 MB in the beginning and 295.1 MB in the end (delta: 34.6 MB). Peak memory consumption was 161.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 15966.47 ms. Allocated memory was 375.4 MB in the beginning and 748.7 MB in the end (delta: 373.3 MB). Free memory was 295.1 MB in the beginning and 500.6 MB in the end (delta: -205.6 MB). Peak memory consumption was 168.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 8149.8ms, 125 PlacesBefore, 44 PlacesAfterwards, 114 TransitionsBefore, 32 TransitionsAfterwards, 2598 CoEnabledTransitionPairs, 8 FixpointIterations, 42 TrivialSequentialCompositions, 53 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 101 TotalNumberOfCompositions, 7268 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3670, positive: 3463, positive conditional: 3463, positive unconditional: 0, negative: 207, negative conditional: 207, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 3670, positive: 3463, positive conditional: 0, positive unconditional: 3463, negative: 207, negative conditional: 0, negative unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 3670, positive: 3463, positive conditional: 0, positive unconditional: 3463, negative: 207, negative conditional: 0, negative unconditional: 207, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2078, positive: 2023, positive conditional: 0, positive unconditional: 2023, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2078, positive: 1987, positive conditional: 0, positive unconditional: 1987, negative: 91, negative conditional: 0, negative unconditional: 91, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 91, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 681, positive: 69, positive conditional: 0, positive unconditional: 69, negative: 612, negative conditional: 0, negative unconditional: 612, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3670, positive: 1440, positive conditional: 0, positive unconditional: 1440, negative: 152, negative conditional: 0, negative unconditional: 152, unknown: 2078, unknown conditional: 0, unknown unconditional: 2078] , Statistics on independence cache: Total cache size (in pairs): 2078, Positive cache size: 2023, Positive conditional cache size: 0, Positive unconditional cache size: 2023, Negative cache size: 55, Negative conditional cache size: 0, Negative unconditional cache size: 55, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4286.0ms, 40 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 28 TransitionsAfterwards, 422 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 978 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 353, positive: 301, positive conditional: 301, positive unconditional: 0, negative: 52, negative conditional: 52, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 353, positive: 301, positive conditional: 10, positive unconditional: 291, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 353, positive: 301, positive conditional: 10, positive unconditional: 291, negative: 52, negative conditional: 2, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, positive: 55, positive conditional: 2, positive unconditional: 53, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, positive: 54, positive conditional: 0, positive unconditional: 54, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 12, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 272, positive: 29, positive conditional: 0, positive unconditional: 29, negative: 243, negative conditional: 27, negative unconditional: 216, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 353, positive: 246, positive conditional: 8, positive unconditional: 238, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 66, unknown conditional: 4, unknown unconditional: 62] , Statistics on independence cache: Total cache size (in pairs): 2144, Positive cache size: 2078, Positive conditional cache size: 2, Positive unconditional cache size: 2076, Negative cache size: 66, Negative conditional cache size: 2, Negative unconditional cache size: 64, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 169.1ms, 42 PlacesBefore, 37 PlacesAfterwards, 26 TransitionsBefore, 25 TransitionsAfterwards, 328 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 713 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 293, positive: 250, positive conditional: 250, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 293, positive: 250, positive conditional: 0, positive unconditional: 250, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 293, positive: 250, positive conditional: 0, positive unconditional: 250, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 11, positive: 9, positive conditional: 0, positive unconditional: 9, 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: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 293, positive: 241, positive conditional: 0, positive unconditional: 241, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 11, unknown conditional: 0, unknown unconditional: 11] , Statistics on independence cache: Total cache size (in pairs): 2155, Positive cache size: 2087, Positive conditional cache size: 2, Positive unconditional cache size: 2085, Negative cache size: 68, Negative conditional cache size: 2, Negative unconditional cache size: 66, Eliminated conditions: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.6ms, 40 PlacesBefore, 40 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 362 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 339 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 153, positive: 135, positive conditional: 135, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 153, positive: 135, positive conditional: 21, positive unconditional: 114, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 153, positive: 135, positive conditional: 21, positive unconditional: 114, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 14, positive: 14, positive conditional: 12, 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: 14, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 70, positive: 70, positive conditional: 70, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 153, positive: 121, positive conditional: 9, positive unconditional: 112, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 14, unknown conditional: 12, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2169, Positive cache size: 2101, Positive conditional cache size: 14, Positive unconditional cache size: 2087, Negative cache size: 68, Negative conditional cache size: 2, Negative unconditional cache size: 66, Eliminated conditions: 18 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.2ms, 45 PlacesBefore, 45 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 432 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 358 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 165, positive: 149, positive conditional: 149, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 165, positive: 149, positive conditional: 27, positive unconditional: 122, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 165, positive: 149, positive conditional: 27, positive unconditional: 122, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 5, positive unconditional: 14, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 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] ], Cache Queries: [ total: 165, positive: 130, positive conditional: 22, positive unconditional: 108, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 20, unknown conditional: 5, unknown unconditional: 15] , Statistics on independence cache: Total cache size (in pairs): 2189, Positive cache size: 2120, Positive conditional cache size: 19, Positive unconditional cache size: 2101, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 19 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 51 PlacesBefore, 51 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 512 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 476 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 210, positive: 191, positive conditional: 191, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 210, positive: 191, positive conditional: 68, positive unconditional: 123, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 210, positive: 191, positive conditional: 68, positive unconditional: 123, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 15, positive: 15, positive conditional: 15, 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: 15, positive: 15, positive conditional: 0, positive unconditional: 15, 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: 210, positive: 176, positive conditional: 53, positive unconditional: 123, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 15, unknown conditional: 15, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2204, Positive cache size: 2135, Positive conditional cache size: 34, Positive unconditional cache size: 2101, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 20 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.9ms, 54 PlacesBefore, 54 PlacesAfterwards, 43 TransitionsBefore, 43 TransitionsAfterwards, 542 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 515 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 233, positive: 213, positive conditional: 213, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 233, positive: 213, positive conditional: 82, positive unconditional: 131, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 233, positive: 213, positive conditional: 82, positive unconditional: 131, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 4, positive conditional: 2, 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: 4, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 233, positive: 209, positive conditional: 80, positive unconditional: 129, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2208, Positive cache size: 2139, Positive conditional cache size: 36, Positive unconditional cache size: 2103, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.1ms, 59 PlacesBefore, 59 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 756 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 634 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 290, positive: 271, positive conditional: 271, positive unconditional: 0, negative: 19, negative conditional: 19, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 290, positive: 271, positive conditional: 143, positive unconditional: 128, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 290, positive: 271, positive conditional: 143, positive unconditional: 128, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 8, positive: 8, positive conditional: 4, positive unconditional: 4, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 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] , 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: 290, positive: 263, positive conditional: 139, positive unconditional: 124, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 8, unknown conditional: 4, unknown unconditional: 4] , Statistics on independence cache: Total cache size (in pairs): 2216, Positive cache size: 2147, Positive conditional cache size: 40, Positive unconditional cache size: 2107, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 17 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 31.5ms, 67 PlacesBefore, 67 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 874 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 835 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 354, positive: 331, positive conditional: 331, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 354, positive: 331, positive conditional: 182, positive unconditional: 149, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 354, positive: 331, positive conditional: 182, positive unconditional: 149, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 354, positive: 330, positive conditional: 182, positive unconditional: 148, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 2217, Positive cache size: 2148, Positive conditional cache size: 40, Positive unconditional cache size: 2108, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 71.2ms, 69 PlacesBefore, 69 PlacesAfterwards, 59 TransitionsBefore, 59 TransitionsAfterwards, 904 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 629 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 243, positive: 227, positive conditional: 227, positive unconditional: 0, negative: 16, negative conditional: 16, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 243, positive: 227, positive conditional: 131, positive unconditional: 96, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 243, positive: 227, positive conditional: 131, positive unconditional: 96, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, 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: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 243, positive: 225, positive conditional: 129, positive unconditional: 96, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2219, Positive cache size: 2150, Positive conditional cache size: 42, Positive unconditional cache size: 2108, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 14 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 41.7ms, 76 PlacesBefore, 76 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 962 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 858 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 397, positive: 377, positive conditional: 377, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 397, positive: 377, positive conditional: 256, positive unconditional: 121, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 397, positive: 377, positive conditional: 256, positive unconditional: 121, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1, positive: 1, positive conditional: 1, 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: 1, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 397, positive: 376, positive conditional: 255, positive unconditional: 121, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2220, Positive cache size: 2151, Positive conditional cache size: 43, Positive unconditional cache size: 2108, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 30.1ms, 84 PlacesBefore, 83 PlacesAfterwards, 61 TransitionsBefore, 61 TransitionsAfterwards, 924 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 818 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 337, positive: 317, positive conditional: 317, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 337, positive: 317, positive conditional: 224, positive unconditional: 93, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 337, positive: 317, positive conditional: 224, positive unconditional: 93, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 337, positive: 317, positive conditional: 224, positive unconditional: 93, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2220, Positive cache size: 2151, Positive conditional cache size: 43, Positive unconditional cache size: 2108, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 26 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.7ms, 78 PlacesBefore, 78 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 960 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 436 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 98, positive: 88, positive conditional: 88, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 98, positive: 88, positive conditional: 60, positive unconditional: 28, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 98, positive: 88, positive conditional: 60, positive unconditional: 28, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 98, positive: 88, positive conditional: 60, positive unconditional: 28, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2220, Positive cache size: 2151, Positive conditional cache size: 43, Positive unconditional cache size: 2108, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 12 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 106.7ms, 90 PlacesBefore, 80 PlacesAfterwards, 55 TransitionsBefore, 53 TransitionsAfterwards, 624 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 3 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 103 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 103, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 103, positive: 103, positive conditional: 68, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 103, positive: 103, positive conditional: 68, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 103, positive: 101, positive conditional: 68, positive unconditional: 33, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 2222, Positive cache size: 2153, Positive conditional cache size: 43, Positive unconditional cache size: 2110, Negative cache size: 69, Negative conditional cache size: 2, Negative unconditional cache size: 67, Eliminated conditions: 3 - 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_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L848] 0 pthread_t t1141; [L849] FCALL, FORK 0 pthread_create(&t1141, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L850] 0 pthread_t t1142; [L851] FCALL, FORK 0 pthread_create(&t1142, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L852] 0 pthread_t t1143; [L853] FCALL, FORK 0 pthread_create(&t1143, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L854] 0 pthread_t t1144; [L855] FCALL, FORK 0 pthread_create(&t1144, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L804] 4 z$w_buff1 = z$w_buff0 [L805] 4 z$w_buff0 = 2 [L806] 4 z$w_buff1_used = z$w_buff0_used [L807] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L809] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L810] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L811] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L812] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L813] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L814] 4 z$r_buff0_thd4 = (_Bool)1 [L817] 4 a = 1 [L820] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L823] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 __unbuffered_p1_EAX = y VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; [L784] 3 y = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=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=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L790] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L790] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L791] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L791] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L792] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L792] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L793] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L793] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L794] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L794] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L797] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L799] 3 return 0; [L826] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L826] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L827] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L827] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L828] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L828] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L829] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L829] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L830] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L830] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L833] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L835] 4 return 0; [L857] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L861] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L861] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L861] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L862] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L862] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L863] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L863] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L864] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L864] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L865] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L865] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L868] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L869] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L870] 0 z$flush_delayed = weak$$choice2 [L871] 0 z$mem_tmp = z [L872] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L872] 0 z = !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff1) [L873] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L873] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0) [L873] EXPR 0 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L873] 0 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : z$w_buff0)) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1) [L874] EXPR 0 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L874] 0 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff1 : z$w_buff1)) [L875] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L875] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used) [L875] EXPR 0 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L875] 0 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used)) [L876] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L876] EXPR 0 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L876] 0 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L877] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L877] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0) [L877] EXPR 0 weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L877] 0 z$r_buff0_thd0 = weak$$choice2 ? z$r_buff0_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff0_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0)) [L878] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] EXPR 0 !z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0) [L878] EXPR 0 weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L878] 0 z$r_buff1_thd0 = weak$$choice2 ? z$r_buff1_thd0 : (!z$w_buff0_used || !z$r_buff0_thd0 && !z$w_buff1_used || !z$r_buff0_thd0 && !z$r_buff1_thd0 ? z$r_buff1_thd0 : (z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L879] 0 main$tmp_guard1 = !(z == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L880] EXPR 0 z$flush_delayed ? z$mem_tmp : z [L880] 0 z = z$flush_delayed ? z$mem_tmp : z [L881] 0 z$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=2, z$flush_delayed=0, z$mem_tmp=2, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=2, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 117 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.8ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 15800.1ms, OverallIterations: 14, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1438.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8219.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 60 SDtfs, 46 SDslu, 37 SDs, 0 SdLazy, 368 SolverSat, 96 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 302.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 296.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=486occurred in iteration=10, InterpolantAutomatonStates: 74, 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: 33.5ms SsaConstructionTime, 320.4ms SatisfiabilityAnalysisTime, 634.4ms InterpolantComputationTime, 237 NumberOfCodeBlocks, 237 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 199 ConstructedInterpolants, 0 QuantifiedInterpolants, 1000 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 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...