/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix053_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 22:16:05,802 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 22:16:05,805 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 22:16:05,855 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 22:16:05,856 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 22:16:05,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 22:16:05,860 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 22:16:05,862 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 22:16:05,864 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 22:16:05,866 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 22:16:05,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 22:16:05,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 22:16:05,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 22:16:05,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 22:16:05,872 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 22:16:05,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 22:16:05,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 22:16:05,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 22:16:05,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 22:16:05,880 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 22:16:05,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 22:16:05,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 22:16:05,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 22:16:05,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 22:16:05,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 22:16:05,891 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 22:16:05,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 22:16:05,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 22:16:05,893 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 22:16:05,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 22:16:05,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 22:16:05,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 22:16:05,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 22:16:05,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 22:16:05,899 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 22:16:05,899 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 22:16:05,900 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 22:16:05,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 22:16:05,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 22:16:05,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 22:16:05,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 22:16:05,904 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 22:16:05,931 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 22:16:05,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 22:16:05,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 22:16:05,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 22:16:05,934 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 22:16:05,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 22:16:05,935 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 22:16:05,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 22:16:05,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 22:16:05,936 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 22:16:05,936 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 22:16:05,936 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 22:16:05,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 22:16:05,937 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 22:16:05,937 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 22:16:05,937 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 22:16:05,937 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 22:16:05,938 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 22:16:05,938 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 22:16:05,938 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 22:16:05,938 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 22:16:05,939 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:16:05,939 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 22:16:05,939 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 22:16:05,939 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 22:16:05,940 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 22:16:05,940 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 22:16:05,940 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 22:16:05,940 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 22:16:05,940 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 22:16:05,941 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 22:16:06,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 22:16:06,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 22:16:06,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 22:16:06,405 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 22:16:06,405 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 22:16:06,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix053_tso.opt.i [2021-04-28 22:16:06,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e9757c/d15b611ef63041de99851ba42af02d05/FLAG263bdb2ac [2021-04-28 22:16:07,216 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 22:16:07,217 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix053_tso.opt.i [2021-04-28 22:16:07,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e9757c/d15b611ef63041de99851ba42af02d05/FLAG263bdb2ac [2021-04-28 22:16:07,434 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/986e9757c/d15b611ef63041de99851ba42af02d05 [2021-04-28 22:16:07,437 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 22:16:07,491 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 22:16:07,494 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 22:16:07,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 22:16:07,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 22:16:07,500 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:16:07" (1/1) ... [2021-04-28 22:16:07,502 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@608ec1fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:07, skipping insertion in model container [2021-04-28 22:16:07,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 10:16:07" (1/1) ... [2021-04-28 22:16:07,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 22:16:07,556 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 22:16:07,727 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/mix053_tso.opt.i[948,961] [2021-04-28 22:16:08,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:16:08,064 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 22:16:08,078 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/mix053_tso.opt.i[948,961] [2021-04-28 22:16:08,180 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 22:16:08,317 INFO L208 MainTranslator]: Completed translation [2021-04-28 22:16:08,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08 WrapperNode [2021-04-28 22:16:08,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 22:16:08,320 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 22:16:08,320 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 22:16:08,321 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 22:16:08,332 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,377 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,409 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 22:16:08,410 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 22:16:08,410 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 22:16:08,410 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 22:16:08,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... [2021-04-28 22:16:08,454 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 22:16:08,455 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 22:16:08,456 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 22:16:08,456 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 22:16:08,457 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 22:16:08,573 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 22:16:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 22:16:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 22:16:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 22:16:08,574 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 22:16:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 22:16:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 22:16:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 22:16:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 22:16:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 22:16:08,575 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 22:16:08,575 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 22:16:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 22:16:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 22:16:08,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 22:16:08,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 22:16:08,578 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 22:16:10,657 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 22:16:10,658 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 22:16:10,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:16:10 BoogieIcfgContainer [2021-04-28 22:16:10,661 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 22:16:10,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 22:16:10,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 22:16:10,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 22:16:10,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 10:16:07" (1/3) ... [2021-04-28 22:16:10,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2ad61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:16:10, skipping insertion in model container [2021-04-28 22:16:10,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 10:16:08" (2/3) ... [2021-04-28 22:16:10,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d2ad61e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 10:16:10, skipping insertion in model container [2021-04-28 22:16:10,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 10:16:10" (3/3) ... [2021-04-28 22:16:10,674 INFO L111 eAbstractionObserver]: Analyzing ICFG mix053_tso.opt.i [2021-04-28 22:16:10,686 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 22:16:10,692 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 22:16:10,694 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 22:16:10,745 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,746 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,747 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,747 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,748 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,750 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,754 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,755 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,756 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,757 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,757 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,758 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,759 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,760 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,761 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,762 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,763 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,764 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,765 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,766 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,769 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,770 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,771 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,772 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,773 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,774 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,775 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,776 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,777 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,780 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,781 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,787 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,788 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,789 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,791 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,792 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,793 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,793 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,793 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,793 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,794 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,794 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,794 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,794 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,794 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,796 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,796 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,797 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,797 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,797 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,797 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,798 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,799 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,800 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,801 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,802 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,804 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,804 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,805 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,805 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,807 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,808 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,809 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,809 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,810 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,811 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,813 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,813 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,814 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,815 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,817 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,817 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,818 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,818 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,818 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,818 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,818 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,819 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,819 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,819 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,819 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,819 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,821 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,821 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,822 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,822 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 22:16:10,823 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 22:16:10,849 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 22:16:10,895 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 22:16:10,896 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 22:16:10,896 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 22:16:10,896 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 22:16:10,896 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 22:16:10,896 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 22:16:10,896 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 22:16:10,897 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 22:16:10,919 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:16:11,003 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:16:11,004 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:11,021 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 72 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 22:16:11,021 INFO L82 GeneralOperation]: Start removeDead. Operand has 123 places, 112 transitions, 244 flow [2021-04-28 22:16:11,028 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 119 places, 108 transitions, 228 flow [2021-04-28 22:16:11,030 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:11,047 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:16:11,051 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 119 places, 108 transitions, 228 flow [2021-04-28 22:16:11,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 119 places, 108 transitions, 228 flow [2021-04-28 22:16:11,083 INFO L129 PetriNetUnfolder]: 2/108 cut-off events. [2021-04-28 22:16:11,083 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:11,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 121 conditions, 108 events. 2/108 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 80 event pairs, 0 based on Foata normal form. 0/104 useless extension candidates. Maximal degree in co-relation 73. Up to 2 conditions per place. [2021-04-28 22:16:11,089 INFO L146 LiptonReduction]: Number of co-enabled transitions 2300 [2021-04-28 22:16:12,603 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 22:16:14,625 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 22:16:15,320 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 22:16:15,538 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 22:16:16,720 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-04-28 22:16:30,742 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:30,955 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:31,064 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 22:16:31,641 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:31,841 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:31,942 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 22:16:32,616 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 22:16:32,749 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:16:32,869 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:16:32,993 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:16:33,124 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 22:16:33,240 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:33,352 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:33,459 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:33,568 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 22:16:33,684 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:16:33,796 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:16:33,903 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:16:34,025 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 22:16:34,127 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:34,229 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:34,330 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 22:16:34,602 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:16:34,740 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:16:34,878 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:16:35,062 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 22:16:35,170 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:35,276 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:35,381 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:35,487 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:35,594 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:35,699 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 22:16:36,033 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:16:36,178 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:16:36,328 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:16:36,474 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 22:16:37,362 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:16:37,498 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:16:37,669 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:16:37,807 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 22:16:37,934 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:38,064 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:38,189 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:38,327 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 22:16:38,512 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:16:38,696 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:16:38,882 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:16:39,059 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 22:16:39,216 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:16:39,372 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:16:39,530 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:16:39,689 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 22:16:39,850 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:16:40,029 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:16:40,244 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:16:40,430 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 22:16:40,590 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:40,758 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:40,925 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,083 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,244 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,410 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,572 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,734 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 22:16:41,880 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,027 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,170 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,314 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,450 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,592 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,736 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:42,879 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:43,048 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:43,193 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:43,334 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:43,472 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 22:16:43,596 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:43,720 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:43,848 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:43,983 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:44,182 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:16:44,369 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:16:44,552 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:16:44,734 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 22:16:44,886 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:45,033 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:45,176 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:45,321 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 22:16:45,493 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:16:45,660 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:16:45,856 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:16:46,037 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-04-28 22:16:46,620 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:16:46,862 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:16:47,361 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 120 [2021-04-28 22:16:47,588 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 116 [2021-04-28 22:16:47,708 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:47,827 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:47,950 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:48,072 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 22:16:48,278 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:48,479 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:48,673 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:48,867 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:49,072 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:49,263 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:49,463 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:49,660 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:50,152 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:16:50,371 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:16:50,855 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 115 [2021-04-28 22:16:51,083 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 111 [2021-04-28 22:16:51,278 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:51,470 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:51,680 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:51,871 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:52,061 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:52,272 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:52,472 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:52,669 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 22:16:52,728 INFO L158 LiptonReduction]: Checked pairs total: 22677 [2021-04-28 22:16:52,728 INFO L160 LiptonReduction]: Total number of compositions: 257 [2021-04-28 22:16:52,734 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 41706 [2021-04-28 22:16:52,763 INFO L129 PetriNetUnfolder]: 1/98 cut-off events. [2021-04-28 22:16:52,763 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:52,764 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:16:52,764 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:16:52,765 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:16:52,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:16:52,771 INFO L82 PathProgramCache]: Analyzing trace with hash -33553090, now seen corresponding path program 1 times [2021-04-28 22:16:52,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:16:52,782 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457632093] [2021-04-28 22:16:52,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:16:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:16:53,099 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:16:53,101 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:16:53,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:16:53,109 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457632093] [2021-04-28 22:16:53,110 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:16:53,110 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:16:53,111 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825703644] [2021-04-28 22:16:53,123 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:16:53,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:16:53,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:16:53,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:16:53,148 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 304 out of 369 [2021-04-28 22:16:53,157 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 135 transitions, 282 flow. Second operand has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,157 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:16:53,157 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 304 of 369 [2021-04-28 22:16:53,159 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:16:53,292 INFO L129 PetriNetUnfolder]: 9/270 cut-off events. [2021-04-28 22:16:53,292 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:53,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 314 conditions, 270 events. 9/270 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 1952 event pairs, 3 based on Foata normal form. 12/60 useless extension candidates. Maximal degree in co-relation 242. Up to 17 conditions per place. [2021-04-28 22:16:53,296 INFO L132 encePairwiseOnDemand]: 354/369 looper letters, 5 selfloop transitions, 2 changer transitions 58/133 dead transitions. [2021-04-28 22:16:53,297 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 146 places, 133 transitions, 310 flow [2021-04-28 22:16:53,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:16:53,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:16:53,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 935 transitions. [2021-04-28 22:16:53,319 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8446251129177959 [2021-04-28 22:16:53,320 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 935 transitions. [2021-04-28 22:16:53,320 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 935 transitions. [2021-04-28 22:16:53,325 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:16:53,328 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 935 transitions. [2021-04-28 22:16:53,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 311.6666666666667) internal successors, (935), 3 states have internal predecessors, (935), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,349 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,351 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,353 INFO L185 Difference]: Start difference. First operand has 147 places, 135 transitions, 282 flow. Second operand 3 states and 935 transitions. [2021-04-28 22:16:53,354 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 146 places, 133 transitions, 310 flow [2021-04-28 22:16:53,358 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 133 transitions, 306 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 22:16:53,362 INFO L241 Difference]: Finished difference. Result has 142 places, 73 transitions, 158 flow [2021-04-28 22:16:53,364 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=140, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=131, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=158, PETRI_PLACES=142, PETRI_TRANSITIONS=73} [2021-04-28 22:16:53,365 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -5 predicate places. [2021-04-28 22:16:53,366 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:53,366 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 142 places, 73 transitions, 158 flow [2021-04-28 22:16:53,366 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 142 places, 73 transitions, 158 flow [2021-04-28 22:16:53,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 73 transitions, 158 flow [2021-04-28 22:16:53,380 INFO L129 PetriNetUnfolder]: 0/73 cut-off events. [2021-04-28 22:16:53,380 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:53,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 73 events. 0/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 366 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 22:16:53,383 INFO L146 LiptonReduction]: Number of co-enabled transitions 2612 [2021-04-28 22:16:53,633 INFO L158 LiptonReduction]: Checked pairs total: 3476 [2021-04-28 22:16:53,634 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:16:53,634 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 268 [2021-04-28 22:16:53,636 INFO L480 AbstractCegarLoop]: Abstraction has has 84 places, 73 transitions, 158 flow [2021-04-28 22:16:53,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 304.6666666666667) internal successors, (914), 3 states have internal predecessors, (914), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,637 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:16:53,638 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:16:53,638 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 22:16:53,638 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:16:53,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:16:53,639 INFO L82 PathProgramCache]: Analyzing trace with hash 2115263902, now seen corresponding path program 1 times [2021-04-28 22:16:53,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:16:53,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927797349] [2021-04-28 22:16:53,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:16:53,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:16:53,760 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:16:53,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:16:53,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:16:53,769 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [927797349] [2021-04-28 22:16:53,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:16:53,770 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:16:53,770 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065760767] [2021-04-28 22:16:53,771 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:16:53,771 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:16:53,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:16:53,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:16:53,774 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 369 [2021-04-28 22:16:53,775 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 73 transitions, 158 flow. Second operand has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:53,776 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:16:53,776 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 369 [2021-04-28 22:16:53,776 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:16:55,420 INFO L129 PetriNetUnfolder]: 3859/10137 cut-off events. [2021-04-28 22:16:55,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 22:16:55,471 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15878 conditions, 10137 events. 3859/10137 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 1723. Compared 129002 event pairs, 1362 based on Foata normal form. 0/5898 useless extension candidates. Maximal degree in co-relation 15869. Up to 3116 conditions per place. [2021-04-28 22:16:55,486 INFO L132 encePairwiseOnDemand]: 344/369 looper letters, 7 selfloop transitions, 7 changer transitions 54/105 dead transitions. [2021-04-28 22:16:55,487 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 86 places, 105 transitions, 358 flow [2021-04-28 22:16:55,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:16:55,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:16:55,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 761 transitions. [2021-04-28 22:16:55,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6874435411020777 [2021-04-28 22:16:55,491 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 761 transitions. [2021-04-28 22:16:55,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 761 transitions. [2021-04-28 22:16:55,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:16:55,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 761 transitions. [2021-04-28 22:16:55,495 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 253.66666666666666) internal successors, (761), 3 states have internal predecessors, (761), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,499 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,501 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,501 INFO L185 Difference]: Start difference. First operand has 84 places, 73 transitions, 158 flow. Second operand 3 states and 761 transitions. [2021-04-28 22:16:55,501 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 86 places, 105 transitions, 358 flow [2021-04-28 22:16:55,502 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 84 places, 105 transitions, 354 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:16:55,505 INFO L241 Difference]: Finished difference. Result has 86 places, 51 transitions, 152 flow [2021-04-28 22:16:55,505 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=66, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=86, PETRI_TRANSITIONS=51} [2021-04-28 22:16:55,506 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -61 predicate places. [2021-04-28 22:16:55,506 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:55,506 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 51 transitions, 152 flow [2021-04-28 22:16:55,506 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 51 transitions, 152 flow [2021-04-28 22:16:55,507 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 152 flow [2021-04-28 22:16:55,600 INFO L129 PetriNetUnfolder]: 158/555 cut-off events. [2021-04-28 22:16:55,600 INFO L130 PetriNetUnfolder]: For 54/75 co-relation queries the response was YES. [2021-04-28 22:16:55,603 INFO L84 FinitePrefix]: Finished finitePrefix Result has 961 conditions, 555 events. 158/555 cut-off events. For 54/75 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 4204 event pairs, 55 based on Foata normal form. 0/356 useless extension candidates. Maximal degree in co-relation 952. Up to 189 conditions per place. [2021-04-28 22:16:55,615 INFO L146 LiptonReduction]: Number of co-enabled transitions 1504 [2021-04-28 22:16:55,623 INFO L158 LiptonReduction]: Checked pairs total: 455 [2021-04-28 22:16:55,623 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:16:55,623 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 117 [2021-04-28 22:16:55,626 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 152 flow [2021-04-28 22:16:55,626 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 232.66666666666666) internal successors, (698), 3 states have internal predecessors, (698), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,627 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:16:55,627 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:16:55,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 22:16:55,627 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:16:55,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:16:55,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1351837792, now seen corresponding path program 1 times [2021-04-28 22:16:55,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:16:55,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419576211] [2021-04-28 22:16:55,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:16:55,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:16:55,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:16:55,736 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:16:55,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:16:55,747 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419576211] [2021-04-28 22:16:55,747 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:16:55,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 22:16:55,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [714354797] [2021-04-28 22:16:55,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:16:55,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:16:55,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:16:55,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:16:55,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 255 out of 369 [2021-04-28 22:16:55,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 152 flow. Second operand has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:16:55,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 255 of 369 [2021-04-28 22:16:55,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:16:55,843 INFO L129 PetriNetUnfolder]: 133/482 cut-off events. [2021-04-28 22:16:55,843 INFO L130 PetriNetUnfolder]: For 135/259 co-relation queries the response was YES. [2021-04-28 22:16:55,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 912 conditions, 482 events. 133/482 cut-off events. For 135/259 co-relation queries the response was YES. Maximal size of possible extension queue 67. Compared 3433 event pairs, 44 based on Foata normal form. 4/311 useless extension candidates. Maximal degree in co-relation 901. Up to 163 conditions per place. [2021-04-28 22:16:55,850 INFO L132 encePairwiseOnDemand]: 365/369 looper letters, 5 selfloop transitions, 5 changer transitions 0/55 dead transitions. [2021-04-28 22:16:55,850 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 55 transitions, 192 flow [2021-04-28 22:16:55,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:16:55,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:16:55,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 772 transitions. [2021-04-28 22:16:55,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6973803071364046 [2021-04-28 22:16:55,854 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 772 transitions. [2021-04-28 22:16:55,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 772 transitions. [2021-04-28 22:16:55,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:16:55,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 772 transitions. [2021-04-28 22:16:55,858 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 257.3333333333333) internal successors, (772), 3 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,861 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,863 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,863 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 152 flow. Second operand 3 states and 772 transitions. [2021-04-28 22:16:55,863 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 55 transitions, 192 flow [2021-04-28 22:16:55,866 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 55 transitions, 174 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 22:16:55,868 INFO L241 Difference]: Finished difference. Result has 59 places, 55 transitions, 179 flow [2021-04-28 22:16:55,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=138, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=179, PETRI_PLACES=59, PETRI_TRANSITIONS=55} [2021-04-28 22:16:55,868 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -88 predicate places. [2021-04-28 22:16:55,868 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:55,869 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 59 places, 55 transitions, 179 flow [2021-04-28 22:16:55,869 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 59 places, 55 transitions, 179 flow [2021-04-28 22:16:55,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 55 transitions, 179 flow [2021-04-28 22:16:55,940 INFO L129 PetriNetUnfolder]: 133/486 cut-off events. [2021-04-28 22:16:55,940 INFO L130 PetriNetUnfolder]: For 60/116 co-relation queries the response was YES. [2021-04-28 22:16:55,943 INFO L84 FinitePrefix]: Finished finitePrefix Result has 825 conditions, 486 events. 133/486 cut-off events. For 60/116 co-relation queries the response was YES. Maximal size of possible extension queue 63. Compared 3589 event pairs, 41 based on Foata normal form. 1/311 useless extension candidates. Maximal degree in co-relation 815. Up to 163 conditions per place. [2021-04-28 22:16:55,954 INFO L146 LiptonReduction]: Number of co-enabled transitions 1684 [2021-04-28 22:16:55,958 INFO L158 LiptonReduction]: Checked pairs total: 503 [2021-04-28 22:16:55,958 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:16:55,958 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 90 [2021-04-28 22:16:55,960 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 55 transitions, 179 flow [2021-04-28 22:16:55,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 255.66666666666666) internal successors, (767), 3 states have internal predecessors, (767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:55,961 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:16:55,961 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:16:55,962 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 22:16:55,962 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:16:55,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:16:55,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1148668434, now seen corresponding path program 1 times [2021-04-28 22:16:55,962 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:16:55,963 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152123455] [2021-04-28 22:16:55,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:16:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:16:56,017 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:16:56,017 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:16:56,027 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-04-28 22:16:56,031 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-04-28 22:16:56,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:16:56,042 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152123455] [2021-04-28 22:16:56,042 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:16:56,042 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:16:56,043 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143802433] [2021-04-28 22:16:56,043 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:16:56,043 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:16:56,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:16:56,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:16:56,046 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 232 out of 369 [2021-04-28 22:16:56,048 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 55 transitions, 179 flow. Second operand has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,048 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:16:56,048 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 232 of 369 [2021-04-28 22:16:56,048 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:16:56,160 INFO L129 PetriNetUnfolder]: 117/423 cut-off events. [2021-04-28 22:16:56,161 INFO L130 PetriNetUnfolder]: For 96/663 co-relation queries the response was YES. [2021-04-28 22:16:56,163 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 423 events. 117/423 cut-off events. For 96/663 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 2941 event pairs, 27 based on Foata normal form. 9/282 useless extension candidates. Maximal degree in co-relation 932. Up to 143 conditions per place. [2021-04-28 22:16:56,167 INFO L132 encePairwiseOnDemand]: 361/369 looper letters, 14 selfloop transitions, 13 changer transitions 0/64 dead transitions. [2021-04-28 22:16:56,167 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 64 transitions, 275 flow [2021-04-28 22:16:56,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:16:56,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:16:56,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 948 transitions. [2021-04-28 22:16:56,171 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6422764227642277 [2021-04-28 22:16:56,171 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 948 transitions. [2021-04-28 22:16:56,171 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 948 transitions. [2021-04-28 22:16:56,172 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:16:56,172 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 948 transitions. [2021-04-28 22:16:56,176 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 237.0) internal successors, (948), 4 states have internal predecessors, (948), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,180 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,182 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,182 INFO L185 Difference]: Start difference. First operand has 59 places, 55 transitions, 179 flow. Second operand 4 states and 948 transitions. [2021-04-28 22:16:56,182 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 64 transitions, 275 flow [2021-04-28 22:16:56,184 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 64 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 22:16:56,186 INFO L241 Difference]: Finished difference. Result has 63 places, 61 transitions, 251 flow [2021-04-28 22:16:56,186 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=174, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=44, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=251, PETRI_PLACES=63, PETRI_TRANSITIONS=61} [2021-04-28 22:16:56,186 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -84 predicate places. [2021-04-28 22:16:56,187 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:16:56,187 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 63 places, 61 transitions, 251 flow [2021-04-28 22:16:56,187 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 63 places, 61 transitions, 251 flow [2021-04-28 22:16:56,188 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 63 places, 61 transitions, 251 flow [2021-04-28 22:16:56,258 INFO L129 PetriNetUnfolder]: 117/446 cut-off events. [2021-04-28 22:16:56,258 INFO L130 PetriNetUnfolder]: For 243/367 co-relation queries the response was YES. [2021-04-28 22:16:56,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 944 conditions, 446 events. 117/446 cut-off events. For 243/367 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 3226 event pairs, 29 based on Foata normal form. 1/290 useless extension candidates. Maximal degree in co-relation 931. Up to 143 conditions per place. [2021-04-28 22:16:56,273 INFO L146 LiptonReduction]: Number of co-enabled transitions 1910 [2021-04-28 22:16:56,433 INFO L158 LiptonReduction]: Checked pairs total: 678 [2021-04-28 22:16:56,434 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:16:56,434 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 247 [2021-04-28 22:16:56,436 INFO L480 AbstractCegarLoop]: Abstraction has has 63 places, 61 transitions, 251 flow [2021-04-28 22:16:56,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 232.75) internal successors, (931), 4 states have internal predecessors, (931), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:16:56,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:16:56,438 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 22:16:56,438 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:16:56,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:16:56,438 INFO L82 PathProgramCache]: Analyzing trace with hash -2072974994, now seen corresponding path program 1 times [2021-04-28 22:16:56,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:16:56,439 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377747329] [2021-04-28 22:16:56,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:16:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:16:56,507 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:16:56,507 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:16:56,513 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:16:56,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:16:56,524 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:16:56,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:16:56,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:16:56,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [377747329] [2021-04-28 22:16:56,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:16:56,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:16:56,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983123832] [2021-04-28 22:16:56,526 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:16:56,526 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:16:56,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:16:56,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:16:56,529 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:16:56,531 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 61 transitions, 251 flow. Second operand has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:16:56,531 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:16:56,531 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:16:56,531 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:04,967 INFO L129 PetriNetUnfolder]: 44121/65703 cut-off events. [2021-04-28 22:17:04,967 INFO L130 PetriNetUnfolder]: For 2546/3211 co-relation queries the response was YES. [2021-04-28 22:17:05,227 INFO L84 FinitePrefix]: Finished finitePrefix Result has 132927 conditions, 65703 events. 44121/65703 cut-off events. For 2546/3211 co-relation queries the response was YES. Maximal size of possible extension queue 9828. Compared 593084 event pairs, 22897 based on Foata normal form. 1196/19799 useless extension candidates. Maximal degree in co-relation 132912. Up to 42223 conditions per place. [2021-04-28 22:17:05,538 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 34 selfloop transitions, 33 changer transitions 0/105 dead transitions. [2021-04-28 22:17:05,539 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 67 places, 105 transitions, 473 flow [2021-04-28 22:17:05,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 22:17:05,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 22:17:05,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1461 transitions. [2021-04-28 22:17:05,545 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.791869918699187 [2021-04-28 22:17:05,545 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1461 transitions. [2021-04-28 22:17:05,545 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1461 transitions. [2021-04-28 22:17:05,546 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:05,546 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1461 transitions. [2021-04-28 22:17:05,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 292.2) internal successors, (1461), 5 states have internal predecessors, (1461), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,559 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 369.0) internal successors, (2214), 6 states have internal predecessors, (2214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:05,559 INFO L185 Difference]: Start difference. First operand has 63 places, 61 transitions, 251 flow. Second operand 5 states and 1461 transitions. [2021-04-28 22:17:05,559 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 67 places, 105 transitions, 473 flow [2021-04-28 22:17:05,570 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 105 transitions, 473 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:17:05,573 INFO L241 Difference]: Finished difference. Result has 70 places, 92 transitions, 497 flow [2021-04-28 22:17:05,573 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=251, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=61, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=497, PETRI_PLACES=70, PETRI_TRANSITIONS=92} [2021-04-28 22:17:05,573 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -77 predicate places. [2021-04-28 22:17:05,574 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:05,574 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 92 transitions, 497 flow [2021-04-28 22:17:05,574 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 92 transitions, 497 flow [2021-04-28 22:17:05,575 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 92 transitions, 497 flow [2021-04-28 22:17:11,263 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([888] L767-->P1EXIT: Formula: (and (= |v_P1Thread1of1ForFork0_#res.base_9| 0) (= |v_P1Thread1of1ForFork0_#res.offset_9| 0) (= v_~__unbuffered_cnt~0_241 (+ v_~__unbuffered_cnt~0_242 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_242} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_241, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_9|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_9|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base][32], [Black: 255#true, 39#P0EXITtrue, 42#P2EXITtrue, 301#true, 15#P1EXITtrue, Black: 272#(= ~y~0 0), Black: 304#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0), 53#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 306#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (= ~__unbuffered_cnt~0 0)), Black: 303#(= ~__unbuffered_cnt~0 0), 151#true, P1Thread1of1ForFork0InUse, 281#(or (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 0))), P0Thread1of1ForFork3InUse, Black: 280#(= ~x~0 0), P2Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse]) [2021-04-28 22:17:11,263 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,263 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,263 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,264 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,264 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([887] L767-->P1FINAL: Formula: (and (= |v_P1Thread1of1ForFork0_#res.offset_7| 0) (= |v_P1Thread1of1ForFork0_#res.base_7| 0) (= v_~__unbuffered_cnt~0_237 (+ v_~__unbuffered_cnt~0_238 1))) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_238} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_237, P1Thread1of1ForFork0_#res.offset=|v_P1Thread1of1ForFork0_#res.offset_7|, P1Thread1of1ForFork0_#res.base=|v_P1Thread1of1ForFork0_#res.base_7|} AuxVars[] AssignedVars[~__unbuffered_cnt~0, P1Thread1of1ForFork0_#res.offset, P1Thread1of1ForFork0_#res.base][14], [Black: 255#true, 39#P0EXITtrue, 42#P2EXITtrue, 140#true, 301#true, Black: 272#(= ~y~0 0), Black: 304#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0), 53#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 306#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (= ~__unbuffered_cnt~0 0)), Black: 303#(= ~__unbuffered_cnt~0 0), 151#true, P1Thread1of1ForFork0InUse, 281#(or (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 0))), P0Thread1of1ForFork3InUse, Black: 280#(= ~x~0 0), P2Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse]) [2021-04-28 22:17:11,264 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,264 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,264 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,264 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,265 INFO L382 tUnfolder$Statistics]: inserting event number 4 for the transition-marking pair ([785] L767-->L772: Formula: (= v_~__unbuffered_cnt~0_3 (+ v_~__unbuffered_cnt~0_4 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_4} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_3} AuxVars[] AssignedVars[~__unbuffered_cnt~0][91], [Black: 255#true, 39#P0EXITtrue, 42#P2EXITtrue, 301#true, Black: 272#(= ~y~0 0), 180#true, Black: 304#(= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0), 53#ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTIONtrue, Black: 306#(and (= |ULTIMATE.start_assume_abort_if_not_#in~cond| 0) (= ~__unbuffered_cnt~0 0)), Black: 303#(= ~__unbuffered_cnt~0 0), 151#true, P1Thread1of1ForFork0InUse, 281#(or (not (= ~__unbuffered_p2_EAX~0 0)) (not (= 2 ~x~0)) (not (= 2 ~y~0)) (not (= ~__unbuffered_p3_EAX~0 0))), P0Thread1of1ForFork3InUse, Black: 280#(= ~x~0 0), P2Thread1of1ForFork1InUse, P3Thread1of1ForFork2InUse]) [2021-04-28 22:17:11,265 INFO L384 tUnfolder$Statistics]: this new event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,265 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,265 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,265 INFO L387 tUnfolder$Statistics]: existing Event has 24 ancestors and is cut-off event [2021-04-28 22:17:11,284 INFO L129 PetriNetUnfolder]: 40181/60889 cut-off events. [2021-04-28 22:17:11,284 INFO L130 PetriNetUnfolder]: For 12925/54849 co-relation queries the response was YES. [2021-04-28 22:17:11,531 INFO L84 FinitePrefix]: Finished finitePrefix Result has 174361 conditions, 60889 events. 40181/60889 cut-off events. For 12925/54849 co-relation queries the response was YES. Maximal size of possible extension queue 9348. Compared 585578 event pairs, 22298 based on Foata normal form. 23/18307 useless extension candidates. Maximal degree in co-relation 174343. Up to 57227 conditions per place. [2021-04-28 22:17:12,394 INFO L146 LiptonReduction]: Number of co-enabled transitions 2880 [2021-04-28 22:17:12,936 INFO L158 LiptonReduction]: Checked pairs total: 1078 [2021-04-28 22:17:12,936 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:12,936 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 7362 [2021-04-28 22:17:12,939 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 92 transitions, 497 flow [2021-04-28 22:17:12,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 279.75) internal successors, (1119), 4 states have internal predecessors, (1119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:12,940 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:12,940 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:12,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 22:17:12,940 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:12,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:12,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1845144128, now seen corresponding path program 1 times [2021-04-28 22:17:12,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:12,941 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069677285] [2021-04-28 22:17:12,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:12,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:12,989 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:12,990 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:17:12,990 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:12,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:12,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:12,995 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069677285] [2021-04-28 22:17:12,995 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:12,995 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 22:17:12,995 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89907167] [2021-04-28 22:17:12,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 22:17:12,996 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:12,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 22:17:12,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 22:17:12,998 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 252 out of 369 [2021-04-28 22:17:13,000 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 92 transitions, 497 flow. Second operand has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:13,000 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:13,000 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 252 of 369 [2021-04-28 22:17:13,001 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:21,437 INFO L129 PetriNetUnfolder]: 64458/95181 cut-off events. [2021-04-28 22:17:21,438 INFO L130 PetriNetUnfolder]: For 19435/103332 co-relation queries the response was YES. [2021-04-28 22:17:22,034 INFO L84 FinitePrefix]: Finished finitePrefix Result has 272897 conditions, 95181 events. 64458/95181 cut-off events. For 19435/103332 co-relation queries the response was YES. Maximal size of possible extension queue 14232. Compared 891540 event pairs, 36858 based on Foata normal form. 336/28295 useless extension candidates. Maximal degree in co-relation 272877. Up to 90866 conditions per place. [2021-04-28 22:17:22,422 INFO L132 encePairwiseOnDemand]: 366/369 looper letters, 4 selfloop transitions, 6 changer transitions 0/92 dead transitions. [2021-04-28 22:17:22,423 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 92 transitions, 517 flow [2021-04-28 22:17:22,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 22:17:22,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 22:17:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 762 transitions. [2021-04-28 22:17:22,426 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6883468834688347 [2021-04-28 22:17:22,427 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 762 transitions. [2021-04-28 22:17:22,427 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 762 transitions. [2021-04-28 22:17:22,428 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:22,428 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 762 transitions. [2021-04-28 22:17:22,432 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 254.0) internal successors, (762), 3 states have internal predecessors, (762), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:22,437 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:22,437 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 369.0) internal successors, (1476), 4 states have internal predecessors, (1476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:22,438 INFO L185 Difference]: Start difference. First operand has 70 places, 92 transitions, 497 flow. Second operand 3 states and 762 transitions. [2021-04-28 22:17:22,438 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 92 transitions, 517 flow [2021-04-28 22:17:22,593 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 72 places, 92 transitions, 517 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 22:17:22,595 INFO L241 Difference]: Finished difference. Result has 73 places, 92 transitions, 517 flow [2021-04-28 22:17:22,596 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=497, PETRI_DIFFERENCE_MINUEND_PLACES=70, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=517, PETRI_PLACES=73, PETRI_TRANSITIONS=92} [2021-04-28 22:17:22,596 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -74 predicate places. [2021-04-28 22:17:22,596 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:22,596 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 73 places, 92 transitions, 517 flow [2021-04-28 22:17:22,597 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 73 places, 92 transitions, 517 flow [2021-04-28 22:17:22,598 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 73 places, 92 transitions, 517 flow [2021-04-28 22:17:31,471 INFO L129 PetriNetUnfolder]: 66384/98340 cut-off events. [2021-04-28 22:17:31,486 INFO L130 PetriNetUnfolder]: For 20694/101655 co-relation queries the response was YES. [2021-04-28 22:17:31,846 INFO L84 FinitePrefix]: Finished finitePrefix Result has 282515 conditions, 98340 events. 66384/98340 cut-off events. For 20694/101655 co-relation queries the response was YES. Maximal size of possible extension queue 14976. Compared 954413 event pairs, 38107 based on Foata normal form. 34/29454 useless extension candidates. Maximal degree in co-relation 282495. Up to 93872 conditions per place. [2021-04-28 22:17:32,537 INFO L146 LiptonReduction]: Number of co-enabled transitions 2878 [2021-04-28 22:17:32,937 INFO L158 LiptonReduction]: Checked pairs total: 1078 [2021-04-28 22:17:32,937 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:17:32,937 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10341 [2021-04-28 22:17:32,939 INFO L480 AbstractCegarLoop]: Abstraction has has 73 places, 92 transitions, 517 flow [2021-04-28 22:17:32,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 253.0) internal successors, (759), 3 states have internal predecessors, (759), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:32,939 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:17:32,939 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:17:32,940 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 22:17:32,940 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:17:32,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:17:32,940 INFO L82 PathProgramCache]: Analyzing trace with hash -840170569, now seen corresponding path program 1 times [2021-04-28 22:17:32,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:17:32,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881183501] [2021-04-28 22:17:32,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:17:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:17:33,022 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:33,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:33,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:33,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:17:33,034 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:17:33,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:17:33,043 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:17:33,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:17:33,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:17:33,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881183501] [2021-04-28 22:17:33,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:17:33,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 22:17:33,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173474936] [2021-04-28 22:17:33,045 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 22:17:33,045 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:17:33,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 22:17:33,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 22:17:33,048 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:17:33,050 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 92 transitions, 517 flow. Second operand has 5 states, 5 states have (on average 279.8) internal successors, (1399), 5 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:33,050 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:17:33,050 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:17:33,051 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:17:46,095 INFO L129 PetriNetUnfolder]: 81885/125811 cut-off events. [2021-04-28 22:17:46,096 INFO L130 PetriNetUnfolder]: For 34310/289901 co-relation queries the response was YES. [2021-04-28 22:17:46,549 INFO L84 FinitePrefix]: Finished finitePrefix Result has 484214 conditions, 125811 events. 81885/125811 cut-off events. For 34310/289901 co-relation queries the response was YES. Maximal size of possible extension queue 20373. Compared 1296134 event pairs, 16404 based on Foata normal form. 2238/42349 useless extension candidates. Maximal degree in co-relation 484192. Up to 118190 conditions per place. [2021-04-28 22:17:47,244 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 35 selfloop transitions, 64 changer transitions 0/137 dead transitions. [2021-04-28 22:17:47,245 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 79 places, 137 transitions, 964 flow [2021-04-28 22:17:47,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 22:17:47,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 22:17:47,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2049 transitions. [2021-04-28 22:17:47,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7932636469221835 [2021-04-28 22:17:47,253 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2049 transitions. [2021-04-28 22:17:47,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2049 transitions. [2021-04-28 22:17:47,255 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:17:47,255 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2049 transitions. [2021-04-28 22:17:47,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 292.7142857142857) internal successors, (2049), 7 states have internal predecessors, (2049), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:47,266 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 369.0) internal successors, (2952), 8 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:47,267 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 369.0) internal successors, (2952), 8 states have internal predecessors, (2952), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:17:47,268 INFO L185 Difference]: Start difference. First operand has 73 places, 92 transitions, 517 flow. Second operand 7 states and 2049 transitions. [2021-04-28 22:17:47,268 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 79 places, 137 transitions, 964 flow [2021-04-28 22:17:47,493 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 78 places, 137 transitions, 956 flow, removed 1 selfloop flow, removed 1 redundant places. [2021-04-28 22:17:47,497 INFO L241 Difference]: Finished difference. Result has 81 places, 123 transitions, 951 flow [2021-04-28 22:17:47,497 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=509, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=92, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=33, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=951, PETRI_PLACES=81, PETRI_TRANSITIONS=123} [2021-04-28 22:17:47,498 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -66 predicate places. [2021-04-28 22:17:47,498 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:17:47,498 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 81 places, 123 transitions, 951 flow [2021-04-28 22:17:47,498 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 81 places, 123 transitions, 951 flow [2021-04-28 22:17:47,499 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 81 places, 123 transitions, 951 flow [2021-04-28 22:17:59,375 INFO L129 PetriNetUnfolder]: 71833/111739 cut-off events. [2021-04-28 22:17:59,375 INFO L130 PetriNetUnfolder]: For 256253/905233 co-relation queries the response was YES. [2021-04-28 22:17:59,859 INFO L84 FinitePrefix]: Finished finitePrefix Result has 530656 conditions, 111739 events. 71833/111739 cut-off events. For 256253/905233 co-relation queries the response was YES. Maximal size of possible extension queue 18121. Compared 1183310 event pairs, 16086 based on Foata normal form. 48/33697 useless extension candidates. Maximal degree in co-relation 530632. Up to 107213 conditions per place. [2021-04-28 22:18:01,066 INFO L146 LiptonReduction]: Number of co-enabled transitions 4068 [2021-04-28 22:18:01,785 INFO L158 LiptonReduction]: Checked pairs total: 2024 [2021-04-28 22:18:01,785 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:18:01,785 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 14287 [2021-04-28 22:18:01,787 INFO L480 AbstractCegarLoop]: Abstraction has has 81 places, 123 transitions, 951 flow [2021-04-28 22:18:01,788 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 279.8) internal successors, (1399), 5 states have internal predecessors, (1399), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:18:01,788 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:18:01,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:18:01,788 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 22:18:01,788 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:18:01,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:18:01,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1029229549, now seen corresponding path program 1 times [2021-04-28 22:18:01,789 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:18:01,789 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547503980] [2021-04-28 22:18:01,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:18:01,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:18:01,863 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:18:01,863 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:18:01,867 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:18:01,867 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:18:01,872 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:18:01,872 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:18:01,879 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:18:01,881 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:18:01,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:18:01,891 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:18:01,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:18:01,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547503980] [2021-04-28 22:18:01,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:18:01,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 22:18:01,892 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26072543] [2021-04-28 22:18:01,893 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 22:18:01,893 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:18:01,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 22:18:01,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 22:18:01,896 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:18:01,898 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 123 transitions, 951 flow. Second operand has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:18:01,898 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:18:01,898 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:18:01,898 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:18:17,497 INFO L129 PetriNetUnfolder]: 77079/125577 cut-off events. [2021-04-28 22:18:17,497 INFO L130 PetriNetUnfolder]: For 109248/709113 co-relation queries the response was YES. [2021-04-28 22:18:18,091 INFO L84 FinitePrefix]: Finished finitePrefix Result has 715512 conditions, 125577 events. 77079/125577 cut-off events. For 109248/709113 co-relation queries the response was YES. Maximal size of possible extension queue 19761. Compared 1412244 event pairs, 2661 based on Foata normal form. 2289/42175 useless extension candidates. Maximal degree in co-relation 715486. Up to 118937 conditions per place. [2021-04-28 22:18:18,733 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 24 selfloop transitions, 95 changer transitions 12/169 dead transitions. [2021-04-28 22:18:18,734 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 89 places, 169 transitions, 1623 flow [2021-04-28 22:18:18,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 22:18:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 22:18:18,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 2637 transitions. [2021-04-28 22:18:18,742 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7940379403794038 [2021-04-28 22:18:18,742 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 2637 transitions. [2021-04-28 22:18:18,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 2637 transitions. [2021-04-28 22:18:18,744 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:18:18,745 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 2637 transitions. [2021-04-28 22:18:18,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 293.0) internal successors, (2637), 9 states have internal predecessors, (2637), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:18:18,758 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:18:18,759 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 369.0) internal successors, (3690), 10 states have internal predecessors, (3690), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:18:18,759 INFO L185 Difference]: Start difference. First operand has 81 places, 123 transitions, 951 flow. Second operand 9 states and 2637 transitions. [2021-04-28 22:18:18,759 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 89 places, 169 transitions, 1623 flow [2021-04-28 22:18:44,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 86 places, 169 transitions, 1460 flow, removed 54 selfloop flow, removed 3 redundant places. [2021-04-28 22:18:44,513 INFO L241 Difference]: Finished difference. Result has 89 places, 154 transitions, 1379 flow [2021-04-28 22:18:44,513 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=789, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=76, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1379, PETRI_PLACES=89, PETRI_TRANSITIONS=154} [2021-04-28 22:18:44,514 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -58 predicate places. [2021-04-28 22:18:44,514 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:18:44,514 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 89 places, 154 transitions, 1379 flow [2021-04-28 22:18:44,514 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 89 places, 154 transitions, 1379 flow [2021-04-28 22:18:44,516 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 89 places, 154 transitions, 1379 flow [2021-04-28 22:18:55,294 INFO L129 PetriNetUnfolder]: 51582/90699 cut-off events. [2021-04-28 22:18:55,294 INFO L130 PetriNetUnfolder]: For 425601/867164 co-relation queries the response was YES. [2021-04-28 22:18:55,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 531356 conditions, 90699 events. 51582/90699 cut-off events. For 425601/867164 co-relation queries the response was YES. Maximal size of possible extension queue 18137. Compared 1110150 event pairs, 2688 based on Foata normal form. 1/27132 useless extension candidates. Maximal degree in co-relation 531329. Up to 73792 conditions per place. [2021-04-28 22:18:56,884 INFO L146 LiptonReduction]: Number of co-enabled transitions 4676 [2021-04-28 22:19:03,020 INFO L158 LiptonReduction]: Checked pairs total: 3018 [2021-04-28 22:19:03,020 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:19:03,020 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18506 [2021-04-28 22:19:03,022 INFO L480 AbstractCegarLoop]: Abstraction has has 89 places, 154 transitions, 1379 flow [2021-04-28 22:19:03,023 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 279.8333333333333) internal successors, (1679), 6 states have internal predecessors, (1679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:19:03,023 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:19:03,023 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:19:03,023 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 22:19:03,023 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:19:03,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:19:03,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1873581134, now seen corresponding path program 1 times [2021-04-28 22:19:03,024 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:19:03,024 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1872206347] [2021-04-28 22:19:03,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:19:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:19:03,094 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:19:03,095 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:19:03,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:19:03,104 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:19:03,108 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:19:03,109 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:19:03,114 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:19:03,115 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:19:03,123 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-04-28 22:19:03,125 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 22:19:03,137 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:19:03,138 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:19:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:19:03,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1872206347] [2021-04-28 22:19:03,139 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:19:03,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 22:19:03,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723432087] [2021-04-28 22:19:03,140 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 22:19:03,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:19:03,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 22:19:03,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 22:19:03,143 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 279 out of 369 [2021-04-28 22:19:03,145 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 154 transitions, 1379 flow. Second operand has 7 states, 7 states have (on average 279.85714285714283) internal successors, (1959), 7 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:19:03,145 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:19:03,146 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 279 of 369 [2021-04-28 22:19:03,146 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:19:18,030 INFO L129 PetriNetUnfolder]: 53670/96255 cut-off events. [2021-04-28 22:19:18,030 INFO L130 PetriNetUnfolder]: For 232139/742211 co-relation queries the response was YES. [2021-04-28 22:19:18,635 INFO L84 FinitePrefix]: Finished finitePrefix Result has 650727 conditions, 96255 events. 53670/96255 cut-off events. For 232139/742211 co-relation queries the response was YES. Maximal size of possible extension queue 19653. Compared 1192954 event pairs, 15 based on Foata normal form. 1559/31241 useless extension candidates. Maximal degree in co-relation 650698. Up to 76402 conditions per place. [2021-04-28 22:19:18,823 INFO L132 encePairwiseOnDemand]: 349/369 looper letters, 6 selfloop transitions, 113 changer transitions 25/177 dead transitions. [2021-04-28 22:19:18,823 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 99 places, 177 transitions, 1867 flow [2021-04-28 22:19:18,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-04-28 22:19:18,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-04-28 22:19:18,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 3201 transitions. [2021-04-28 22:19:18,835 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7886178861788617 [2021-04-28 22:19:18,835 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 3201 transitions. [2021-04-28 22:19:18,835 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 3201 transitions. [2021-04-28 22:19:18,838 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:19:18,838 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 3201 transitions. [2021-04-28 22:19:18,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 291.0) internal successors, (3201), 11 states have internal predecessors, (3201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:19:18,864 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 369.0) internal successors, (4428), 12 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:19:18,872 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 369.0) internal successors, (4428), 12 states have internal predecessors, (4428), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:19:18,872 INFO L185 Difference]: Start difference. First operand has 89 places, 154 transitions, 1379 flow. Second operand 11 states and 3201 transitions. [2021-04-28 22:19:18,872 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 99 places, 177 transitions, 1867 flow [2021-04-28 22:26:36,745 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 177 transitions, 1530 flow, removed 110 selfloop flow, removed 5 redundant places. [2021-04-28 22:26:36,749 INFO L241 Difference]: Finished difference. Result has 97 places, 149 transitions, 1289 flow [2021-04-28 22:26:36,750 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=369, PETRI_DIFFERENCE_MINUEND_FLOW=1043, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=154, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=112, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=41, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1289, PETRI_PLACES=97, PETRI_TRANSITIONS=149} [2021-04-28 22:26:36,750 INFO L343 CegarLoopForPetriNet]: 147 programPoint places, -50 predicate places. [2021-04-28 22:26:36,750 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 22:26:36,750 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 97 places, 149 transitions, 1289 flow [2021-04-28 22:26:36,751 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 97 places, 149 transitions, 1289 flow [2021-04-28 22:26:36,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 95 places, 149 transitions, 1289 flow [2021-04-28 22:26:39,935 INFO L129 PetriNetUnfolder]: 22489/42026 cut-off events. [2021-04-28 22:26:39,935 INFO L130 PetriNetUnfolder]: For 230281/324009 co-relation queries the response was YES. [2021-04-28 22:26:40,274 INFO L84 FinitePrefix]: Finished finitePrefix Result has 187777 conditions, 42026 events. 22489/42026 cut-off events. For 230281/324009 co-relation queries the response was YES. Maximal size of possible extension queue 9535. Compared 505247 event pairs, 12 based on Foata normal form. 1/12456 useless extension candidates. Maximal degree in co-relation 187747. Up to 25920 conditions per place. [2021-04-28 22:26:40,717 INFO L146 LiptonReduction]: Number of co-enabled transitions 3868 [2021-04-28 22:27:19,444 INFO L158 LiptonReduction]: Checked pairs total: 2615 [2021-04-28 22:27:19,444 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 22:27:19,444 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 42694 [2021-04-28 22:27:19,446 INFO L480 AbstractCegarLoop]: Abstraction has has 95 places, 149 transitions, 1289 flow [2021-04-28 22:27:19,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 279.85714285714283) internal successors, (1959), 7 states have internal predecessors, (1959), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:19,447 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 22:27:19,448 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 22:27:19,448 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 22:27:19,448 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 22:27:19,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 22:27:19,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1292015205, now seen corresponding path program 1 times [2021-04-28 22:27:19,449 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 22:27:19,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422883533] [2021-04-28 22:27:19,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 22:27:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 22:27:19,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 22:27:19,530 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:19,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:19,534 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 22:27:19,534 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 22:27:19,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 22:27:19,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422883533] [2021-04-28 22:27:19,543 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 22:27:19,543 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 22:27:19,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192576009] [2021-04-28 22:27:19,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 22:27:19,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 22:27:19,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 22:27:19,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 22:27:19,547 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 245 out of 369 [2021-04-28 22:27:19,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 95 places, 149 transitions, 1289 flow. Second operand has 4 states, 4 states have (on average 246.0) internal successors, (984), 4 states have internal predecessors, (984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:19,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 22:27:19,549 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 245 of 369 [2021-04-28 22:27:19,549 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 22:27:29,427 INFO L129 PetriNetUnfolder]: 42740/79128 cut-off events. [2021-04-28 22:27:29,427 INFO L130 PetriNetUnfolder]: For 319499/436665 co-relation queries the response was YES. [2021-04-28 22:27:29,887 INFO L84 FinitePrefix]: Finished finitePrefix Result has 353452 conditions, 79128 events. 42740/79128 cut-off events. For 319499/436665 co-relation queries the response was YES. Maximal size of possible extension queue 18156. Compared 998122 event pairs, 17 based on Foata normal form. 83/23258 useless extension candidates. Maximal degree in co-relation 353420. Up to 50112 conditions per place. [2021-04-28 22:27:29,991 INFO L132 encePairwiseOnDemand]: 366/369 looper letters, 5 selfloop transitions, 4 changer transitions 2/152 dead transitions. [2021-04-28 22:27:29,991 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 98 places, 152 transitions, 1324 flow [2021-04-28 22:27:29,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 22:27:29,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 22:27:29,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 986 transitions. [2021-04-28 22:27:29,995 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6680216802168022 [2021-04-28 22:27:29,995 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 986 transitions. [2021-04-28 22:27:29,995 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 986 transitions. [2021-04-28 22:27:29,996 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 22:27:29,996 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 986 transitions. [2021-04-28 22:27:29,999 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 246.5) internal successors, (986), 4 states have internal predecessors, (986), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:30,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:30,002 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 369.0) internal successors, (1845), 5 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 22:27:30,002 INFO L185 Difference]: Start difference. First operand has 95 places, 149 transitions, 1289 flow. Second operand 4 states and 986 transitions. [2021-04-28 22:27:30,002 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 98 places, 152 transitions, 1324 flow Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown