/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/mix039_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 20:41:59,827 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 20:41:59,830 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 20:41:59,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 20:41:59,866 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 20:41:59,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 20:41:59,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 20:41:59,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 20:41:59,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 20:41:59,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 20:41:59,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 20:41:59,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 20:41:59,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 20:41:59,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 20:41:59,882 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 20:41:59,884 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 20:41:59,885 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 20:41:59,886 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 20:41:59,888 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 20:41:59,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 20:41:59,895 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 20:41:59,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 20:41:59,901 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 20:41:59,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 20:41:59,905 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 20:41:59,905 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 20:41:59,906 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 20:41:59,907 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 20:41:59,908 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 20:41:59,909 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 20:41:59,909 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 20:41:59,910 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 20:41:59,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 20:41:59,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 20:41:59,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 20:41:59,914 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 20:41:59,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 20:41:59,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 20:41:59,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 20:41:59,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 20:41:59,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 20:41:59,919 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 20:41:59,948 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 20:41:59,948 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 20:41:59,950 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 20:41:59,950 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 20:41:59,951 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 20:41:59,951 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 20:41:59,951 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 20:41:59,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 20:41:59,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 20:41:59,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 20:41:59,952 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 20:41:59,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 20:41:59,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 20:41:59,953 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 20:41:59,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 20:41:59,954 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 20:41:59,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 20:41:59,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 20:41:59,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 20:41:59,955 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 20:41:59,955 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 20:41:59,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 20:41:59,956 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 20:41:59,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 20:41:59,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 20:41:59,956 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 20:41:59,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 20:41:59,957 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 20:41:59,957 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 20:41:59,957 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 20:41:59,958 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 20:42:00,327 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 20:42:00,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 20:42:00,357 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 20:42:00,358 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 20:42:00,359 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 20:42:00,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix039_tso.opt.i [2021-04-28 20:42:00,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03587729/f1a43a240e974ed08cdb391681ef2d96/FLAGb07feea97 [2021-04-28 20:42:01,357 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 20:42:01,357 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix039_tso.opt.i [2021-04-28 20:42:01,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03587729/f1a43a240e974ed08cdb391681ef2d96/FLAGb07feea97 [2021-04-28 20:42:01,549 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f03587729/f1a43a240e974ed08cdb391681ef2d96 [2021-04-28 20:42:01,552 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 20:42:01,598 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 20:42:01,600 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 20:42:01,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 20:42:01,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 20:42:01,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:42:01" (1/1) ... [2021-04-28 20:42:01,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cc8abe4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:01, skipping insertion in model container [2021-04-28 20:42:01,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 08:42:01" (1/1) ... [2021-04-28 20:42:01,617 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 20:42:01,705 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 20:42:01,976 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/mix039_tso.opt.i[948,961] [2021-04-28 20:42:02,288 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:42:02,302 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 20:42:02,316 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/mix039_tso.opt.i[948,961] [2021-04-28 20:42:02,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 20:42:02,484 INFO L208 MainTranslator]: Completed translation [2021-04-28 20:42:02,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02 WrapperNode [2021-04-28 20:42:02,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 20:42:02,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 20:42:02,489 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 20:42:02,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 20:42:02,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,547 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,596 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 20:42:02,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 20:42:02,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 20:42:02,598 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 20:42:02,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,625 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,626 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,648 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (1/1) ... [2021-04-28 20:42:02,675 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 20:42:02,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 20:42:02,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 20:42:02,677 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 20:42:02,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (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 20:42:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 20:42:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 20:42:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 20:42:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 20:42:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 20:42:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 20:42:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 20:42:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 20:42:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-28 20:42:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-28 20:42:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-04-28 20:42:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-04-28 20:42:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 20:42:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 20:42:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 20:42:02,795 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 20:42:02,797 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 20:42:04,854 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 20:42:04,854 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 20:42:04,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:42:04 BoogieIcfgContainer [2021-04-28 20:42:04,858 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 20:42:04,862 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 20:42:04,862 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 20:42:04,867 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 20:42:04,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 08:42:01" (1/3) ... [2021-04-28 20:42:04,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329d2972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:42:04, skipping insertion in model container [2021-04-28 20:42:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 08:42:02" (2/3) ... [2021-04-28 20:42:04,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@329d2972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 08:42:04, skipping insertion in model container [2021-04-28 20:42:04,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 08:42:04" (3/3) ... [2021-04-28 20:42:04,871 INFO L111 eAbstractionObserver]: Analyzing ICFG mix039_tso.opt.i [2021-04-28 20:42:04,879 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 20:42:04,885 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 20:42:04,886 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 20:42:04,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,931 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,931 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,932 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,932 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,933 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,934 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,934 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,934 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,935 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,935 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,935 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,936 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,937 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,937 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,938 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,938 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,938 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,939 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,940 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,941 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,942 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,943 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,944 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,945 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,948 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,949 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,950 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,951 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,952 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,953 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,954 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,955 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,955 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,955 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,958 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,959 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,960 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,960 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,961 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,961 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,961 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,961 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,962 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,962 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,962 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,963 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,964 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,965 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,966 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,967 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,970 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,970 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,971 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,971 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,972 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,972 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,975 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,975 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,975 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,978 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,979 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,979 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,982 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,983 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,983 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,984 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,985 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,985 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,985 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,985 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,985 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,986 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,986 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,986 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,986 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,987 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,987 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 20:42:04,989 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 20:42:05,014 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-04-28 20:42:05,041 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 20:42:05,041 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 20:42:05,041 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 20:42:05,042 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 20:42:05,042 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 20:42:05,042 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 20:42:05,042 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 20:42:05,042 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 20:42:05,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:42:05,114 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:42:05,114 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:42:05,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 76 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:42:05,121 INFO L82 GeneralOperation]: Start removeDead. Operand has 128 places, 117 transitions, 254 flow [2021-04-28 20:42:05,127 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 124 places, 113 transitions, 238 flow [2021-04-28 20:42:05,129 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:42:05,146 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:42:05,150 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 124 places, 113 transitions, 238 flow [2021-04-28 20:42:05,153 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 124 places, 113 transitions, 238 flow [2021-04-28 20:42:05,183 INFO L129 PetriNetUnfolder]: 2/113 cut-off events. [2021-04-28 20:42:05,183 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:42:05,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 113 events. 2/113 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 85 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 75. Up to 2 conditions per place. [2021-04-28 20:42:05,189 INFO L146 LiptonReduction]: Number of co-enabled transitions 2488 [2021-04-28 20:42:08,889 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 20:42:08,992 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 20:42:09,559 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 83 [2021-04-28 20:42:09,758 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-04-28 20:42:18,335 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 20:42:28,013 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 20:42:28,788 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:42:28,899 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:42:29,009 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:42:29,115 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 20:42:29,401 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:42:29,511 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:42:29,622 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:42:29,744 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-04-28 20:42:30,389 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 20:42:31,169 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:42:31,290 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:42:31,412 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:42:31,534 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2021-04-28 20:42:33,147 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 20:42:34,455 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:42:34,587 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:42:34,722 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:42:34,861 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 20:42:34,984 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:42:35,111 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:42:35,232 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:42:35,351 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-04-28 20:42:35,800 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:35,951 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:36,138 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:36,283 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:36,435 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:42:36,594 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:42:36,751 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:42:36,901 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 20:42:37,013 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:42:37,130 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:42:37,241 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:42:37,343 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 20:42:37,484 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:42:37,613 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:42:37,733 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:42:37,870 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 20:42:38,004 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:38,140 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:38,268 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:38,394 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:38,512 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:38,633 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:38,752 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:38,865 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:38,996 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:39,161 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:39,293 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:39,423 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:39,577 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:42:39,730 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:42:39,883 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:42:40,038 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 20:42:40,432 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:41,460 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:41,570 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:41,682 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:41,820 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:42,301 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:42,424 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:42,547 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:42,668 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:43,179 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:42:43,343 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:42:43,510 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:42:43,677 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-04-28 20:42:43,788 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:43,899 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:44,009 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:44,119 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 20:42:44,225 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:42:44,330 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 20:42:44,934 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:42:45,077 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:42:45,218 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:42:45,374 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-04-28 20:42:45,521 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:45,668 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:45,817 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:45,962 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:42:46,135 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:42:46,304 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:42:46,479 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:42:46,650 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-04-28 20:42:47,059 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:47,173 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:47,292 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:47,408 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:42:47,541 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:47,670 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:47,803 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:47,937 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 20:42:48,105 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:42:48,265 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:42:48,432 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:42:48,608 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 20:42:48,845 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:49,068 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:49,288 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:49,507 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:49,707 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:42:49,909 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:42:50,105 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:42:50,311 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 100 [2021-04-28 20:42:50,530 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:42:50,747 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:42:50,963 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:42:51,185 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:42:51,372 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:42:51,558 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:42:51,745 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:42:51,932 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2021-04-28 20:42:52,154 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:42:52,367 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:42:52,578 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:42:52,790 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 20:42:53,363 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:42:53,634 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:42:54,213 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 126 [2021-04-28 20:42:54,489 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-04-28 20:42:54,714 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:54,942 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:55,170 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:55,397 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:55,591 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:42:55,795 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:42:55,992 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:42:56,188 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 98 [2021-04-28 20:42:56,749 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:42:57,004 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:42:57,548 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2021-04-28 20:42:57,807 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-04-28 20:42:58,328 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:58,555 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:58,781 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:59,010 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:59,244 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:59,464 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:59,696 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:42:59,923 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 108 [2021-04-28 20:43:00,039 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:43:00,153 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:43:00,268 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:43:00,387 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 20:43:00,601 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:43:00,813 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:43:01,021 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:43:01,231 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2021-04-28 20:43:01,281 INFO L158 LiptonReduction]: Checked pairs total: 26781 [2021-04-28 20:43:01,282 INFO L160 LiptonReduction]: Total number of compositions: 311 [2021-04-28 20:43:01,288 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 56160 [2021-04-28 20:43:01,317 INFO L129 PetriNetUnfolder]: 1/99 cut-off events. [2021-04-28 20:43:01,317 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:43:01,318 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:01,318 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:01,319 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:01,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:01,325 INFO L82 PathProgramCache]: Analyzing trace with hash 666831269, now seen corresponding path program 1 times [2021-04-28 20:43:01,335 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:01,335 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291310542] [2021-04-28 20:43:01,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:01,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:01,630 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:01,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:43:01,644 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 20:43:01,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291310542] [2021-04-28 20:43:01,645 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:01,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:43:01,646 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877467717] [2021-04-28 20:43:01,656 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:43:01,656 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:01,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:43:01,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:43:01,676 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 350 out of 428 [2021-04-28 20:43:01,683 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 157 places, 145 transitions, 302 flow. Second operand has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 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 20:43:01,683 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:01,683 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 350 of 428 [2021-04-28 20:43:01,684 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:01,792 INFO L129 PetriNetUnfolder]: 17/189 cut-off events. [2021-04-28 20:43:01,793 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:43:01,794 INFO L84 FinitePrefix]: Finished finitePrefix Result has 249 conditions, 189 events. 17/189 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 1150 event pairs, 1 based on Foata normal form. 19/78 useless extension candidates. Maximal degree in co-relation 168. Up to 33 conditions per place. [2021-04-28 20:43:01,797 INFO L132 encePairwiseOnDemand]: 412/428 looper letters, 5 selfloop transitions, 4 changer transitions 67/143 dead transitions. [2021-04-28 20:43:01,797 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 156 places, 143 transitions, 334 flow [2021-04-28 20:43:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:43:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:43:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1074 transitions. [2021-04-28 20:43:01,819 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8364485981308412 [2021-04-28 20:43:01,820 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1074 transitions. [2021-04-28 20:43:01,820 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1074 transitions. [2021-04-28 20:43:01,824 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:01,827 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1074 transitions. [2021-04-28 20:43:01,835 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 358.0) internal successors, (1074), 3 states have internal predecessors, (1074), 0 states have call successors, (0), 0 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 20:43:01,848 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:43:01,850 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:43:01,852 INFO L185 Difference]: Start difference. First operand has 157 places, 145 transitions, 302 flow. Second operand 3 states and 1074 transitions. [2021-04-28 20:43:01,853 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 156 places, 143 transitions, 334 flow [2021-04-28 20:43:01,858 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 152 places, 143 transitions, 330 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-04-28 20:43:01,861 INFO L241 Difference]: Finished difference. Result has 152 places, 74 transitions, 164 flow [2021-04-28 20:43:01,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=290, PETRI_DIFFERENCE_MINUEND_PLACES=150, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=141, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=137, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=164, PETRI_PLACES=152, PETRI_TRANSITIONS=74} [2021-04-28 20:43:01,865 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -5 predicate places. [2021-04-28 20:43:01,865 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:01,865 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:43:01,865 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 152 places, 74 transitions, 164 flow [2021-04-28 20:43:01,866 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 74 transitions, 164 flow [2021-04-28 20:43:01,878 INFO L129 PetriNetUnfolder]: 0/74 cut-off events. [2021-04-28 20:43:01,878 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:43:01,878 INFO L84 FinitePrefix]: Finished finitePrefix Result has 88 conditions, 74 events. 0/74 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 349 event pairs, 0 based on Foata normal form. 0/26 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-28 20:43:01,880 INFO L146 LiptonReduction]: Number of co-enabled transitions 2848 [2021-04-28 20:43:02,691 INFO L158 LiptonReduction]: Checked pairs total: 3664 [2021-04-28 20:43:02,691 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:02,692 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 827 [2021-04-28 20:43:02,694 INFO L480 AbstractCegarLoop]: Abstraction has has 85 places, 74 transitions, 164 flow [2021-04-28 20:43:02,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 350.6666666666667) internal successors, (1052), 3 states have internal predecessors, (1052), 0 states have call successors, (0), 0 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 20:43:02,695 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:02,695 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:02,696 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 20:43:02,696 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:02,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:02,697 INFO L82 PathProgramCache]: Analyzing trace with hash 874845689, now seen corresponding path program 1 times [2021-04-28 20:43:02,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:02,697 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148491941] [2021-04-28 20:43:02,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:02,875 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:02,876 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:02,879 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 20:43:02,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148491941] [2021-04-28 20:43:02,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:02,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:43:02,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960759211] [2021-04-28 20:43:02,881 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:43:02,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:02,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:43:02,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:43:02,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 296 out of 428 [2021-04-28 20:43:02,886 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 85 places, 74 transitions, 164 flow. Second operand has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 20:43:02,886 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:02,886 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 296 of 428 [2021-04-28 20:43:02,886 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:03,048 INFO L129 PetriNetUnfolder]: 24/242 cut-off events. [2021-04-28 20:43:03,048 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:43:03,050 INFO L84 FinitePrefix]: Finished finitePrefix Result has 334 conditions, 242 events. 24/242 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 1815 event pairs, 0 based on Foata normal form. 0/123 useless extension candidates. Maximal degree in co-relation 325. Up to 53 conditions per place. [2021-04-28 20:43:03,050 INFO L132 encePairwiseOnDemand]: 423/428 looper letters, 1 selfloop transitions, 2 changer transitions 62/98 dead transitions. [2021-04-28 20:43:03,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 87 places, 98 transitions, 318 flow [2021-04-28 20:43:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:43:03,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:43:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 940 transitions. [2021-04-28 20:43:03,055 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7320872274143302 [2021-04-28 20:43:03,055 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 940 transitions. [2021-04-28 20:43:03,055 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 940 transitions. [2021-04-28 20:43:03,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:03,056 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 940 transitions. [2021-04-28 20:43:03,059 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 313.3333333333333) internal successors, (940), 3 states have internal predecessors, (940), 0 states have call successors, (0), 0 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 20:43:03,064 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:43:03,066 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 428.0) internal successors, (1712), 4 states have internal predecessors, (1712), 0 states have call successors, (0), 0 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 20:43:03,066 INFO L185 Difference]: Start difference. First operand has 85 places, 74 transitions, 164 flow. Second operand 3 states and 940 transitions. [2021-04-28 20:43:03,066 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 87 places, 98 transitions, 318 flow [2021-04-28 20:43:03,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 85 places, 98 transitions, 310 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:43:03,069 INFO L241 Difference]: Finished difference. Result has 86 places, 36 transitions, 88 flow [2021-04-28 20:43:03,069 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=428, PETRI_DIFFERENCE_MINUEND_FLOW=156, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=72, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=86, PETRI_TRANSITIONS=36} [2021-04-28 20:43:03,076 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -71 predicate places. [2021-04-28 20:43:03,077 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:03,077 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 86 places, 36 transitions, 88 flow [2021-04-28 20:43:03,082 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 86 places, 36 transitions, 88 flow [2021-04-28 20:43:03,083 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 48 places, 36 transitions, 88 flow [2021-04-28 20:43:03,116 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-04-28 20:43:03,120 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 20:43:03,120 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 82 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 20:43:03,121 INFO L146 LiptonReduction]: Number of co-enabled transitions 758 [2021-04-28 20:43:03,707 INFO L158 LiptonReduction]: Checked pairs total: 1774 [2021-04-28 20:43:03,707 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:43:03,707 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 630 [2021-04-28 20:43:03,709 INFO L480 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 88 flow [2021-04-28 20:43:03,710 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 296.6666666666667) internal successors, (890), 3 states have internal predecessors, (890), 0 states have call successors, (0), 0 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 20:43:03,711 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:03,711 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:03,711 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 20:43:03,711 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:03,712 INFO L82 PathProgramCache]: Analyzing trace with hash -1086971178, now seen corresponding path program 1 times [2021-04-28 20:43:03,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:03,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747436390] [2021-04-28 20:43:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:03,782 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:03,782 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:03,785 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 20:43:03,786 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747436390] [2021-04-28 20:43:03,786 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:03,786 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 20:43:03,786 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958390561] [2021-04-28 20:43:03,787 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:43:03,787 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:03,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:43:03,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:43:03,789 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 429 [2021-04-28 20:43:03,791 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 20:43:03,791 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:03,791 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 429 [2021-04-28 20:43:03,791 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:03,807 INFO L129 PetriNetUnfolder]: 3/50 cut-off events. [2021-04-28 20:43:03,807 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-04-28 20:43:03,808 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 50 events. 3/50 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 135 event pairs, 1 based on Foata normal form. 1/35 useless extension candidates. Maximal degree in co-relation 68. Up to 10 conditions per place. [2021-04-28 20:43:03,808 INFO L132 encePairwiseOnDemand]: 425/429 looper letters, 3 selfloop transitions, 3 changer transitions 0/38 dead transitions. [2021-04-28 20:43:03,808 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 38 transitions, 104 flow [2021-04-28 20:43:03,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:43:03,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:43:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 856 transitions. [2021-04-28 20:43:03,812 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6651126651126651 [2021-04-28 20:43:03,812 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 856 transitions. [2021-04-28 20:43:03,812 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 856 transitions. [2021-04-28 20:43:03,813 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:03,813 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 856 transitions. [2021-04-28 20:43:03,816 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.3333333333333) internal successors, (856), 3 states have internal predecessors, (856), 0 states have call successors, (0), 0 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 20:43:03,820 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 429.0) internal successors, (1716), 4 states have internal predecessors, (1716), 0 states have call successors, (0), 0 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 20:43:03,822 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 429.0) internal successors, (1716), 4 states have internal predecessors, (1716), 0 states have call successors, (0), 0 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 20:43:03,822 INFO L185 Difference]: Start difference. First operand has 48 places, 36 transitions, 88 flow. Second operand 3 states and 856 transitions. [2021-04-28 20:43:03,822 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 38 transitions, 104 flow [2021-04-28 20:43:03,823 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 38 transitions, 100 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 20:43:03,824 INFO L241 Difference]: Finished difference. Result has 49 places, 38 transitions, 103 flow [2021-04-28 20:43:03,824 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=103, PETRI_PLACES=49, PETRI_TRANSITIONS=38} [2021-04-28 20:43:03,824 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -108 predicate places. [2021-04-28 20:43:03,824 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:03,825 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 38 transitions, 103 flow [2021-04-28 20:43:03,825 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 38 transitions, 103 flow [2021-04-28 20:43:03,826 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 49 places, 38 transitions, 103 flow [2021-04-28 20:43:03,832 INFO L129 PetriNetUnfolder]: 3/48 cut-off events. [2021-04-28 20:43:03,833 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-28 20:43:03,833 INFO L84 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 48 events. 3/48 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 139 event pairs, 1 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 67. Up to 10 conditions per place. [2021-04-28 20:43:03,834 INFO L146 LiptonReduction]: Number of co-enabled transitions 820 [2021-04-28 20:43:03,887 INFO L158 LiptonReduction]: Checked pairs total: 701 [2021-04-28 20:43:03,887 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:03,887 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 63 [2021-04-28 20:43:03,889 INFO L480 AbstractCegarLoop]: Abstraction has has 49 places, 38 transitions, 103 flow [2021-04-28 20:43:03,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 283.6666666666667) internal successors, (851), 3 states have internal predecessors, (851), 0 states have call successors, (0), 0 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 20:43:03,890 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:03,890 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:03,890 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 20:43:03,890 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:03,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:03,891 INFO L82 PathProgramCache]: Analyzing trace with hash -1086941945, now seen corresponding path program 1 times [2021-04-28 20:43:03,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:03,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249851630] [2021-04-28 20:43:03,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:03,959 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:03,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:03,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:03,964 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:43:03,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:03,972 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:03,973 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 20:43:03,973 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249851630] [2021-04-28 20:43:03,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:03,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:43:03,973 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956237802] [2021-04-28 20:43:03,974 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:43:03,974 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:03,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:43:03,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:43:03,977 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 429 [2021-04-28 20:43:03,979 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 38 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 330.75) internal successors, (1323), 4 states have internal predecessors, (1323), 0 states have call successors, (0), 0 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 20:43:03,979 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:03,979 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 429 [2021-04-28 20:43:03,979 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:04,677 INFO L129 PetriNetUnfolder]: 3583/5263 cut-off events. [2021-04-28 20:43:04,677 INFO L130 PetriNetUnfolder]: For 381/381 co-relation queries the response was YES. [2021-04-28 20:43:04,706 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10842 conditions, 5263 events. 3583/5263 cut-off events. For 381/381 co-relation queries the response was YES. Maximal size of possible extension queue 762. Compared 36097 event pairs, 2250 based on Foata normal form. 304/2678 useless extension candidates. Maximal degree in co-relation 10831. Up to 3781 conditions per place. [2021-04-28 20:43:04,747 INFO L132 encePairwiseOnDemand]: 414/429 looper letters, 23 selfloop transitions, 23 changer transitions 6/75 dead transitions. [2021-04-28 20:43:04,748 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 75 transitions, 281 flow [2021-04-28 20:43:04,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:43:04,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:43:04,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1704 transitions. [2021-04-28 20:43:04,754 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7944055944055944 [2021-04-28 20:43:04,754 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1704 transitions. [2021-04-28 20:43:04,755 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1704 transitions. [2021-04-28 20:43:04,756 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:04,757 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1704 transitions. [2021-04-28 20:43:04,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 340.8) internal successors, (1704), 5 states have internal predecessors, (1704), 0 states have call successors, (0), 0 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 20:43:04,769 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 429.0) internal successors, (2574), 6 states have internal predecessors, (2574), 0 states have call successors, (0), 0 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 20:43:04,771 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 429.0) internal successors, (2574), 6 states have internal predecessors, (2574), 0 states have call successors, (0), 0 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 20:43:04,771 INFO L185 Difference]: Start difference. First operand has 49 places, 38 transitions, 103 flow. Second operand 5 states and 1704 transitions. [2021-04-28 20:43:04,771 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 75 transitions, 281 flow [2021-04-28 20:43:04,774 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 75 transitions, 278 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:43:04,776 INFO L241 Difference]: Finished difference. Result has 55 places, 60 transitions, 277 flow [2021-04-28 20:43:04,776 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=48, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=277, PETRI_PLACES=55, PETRI_TRANSITIONS=60} [2021-04-28 20:43:04,776 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -102 predicate places. [2021-04-28 20:43:04,777 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:04,777 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 55 places, 60 transitions, 277 flow [2021-04-28 20:43:04,777 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 55 places, 60 transitions, 277 flow [2021-04-28 20:43:04,778 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 60 transitions, 277 flow [2021-04-28 20:43:05,471 INFO L129 PetriNetUnfolder]: 3522/5124 cut-off events. [2021-04-28 20:43:05,471 INFO L130 PetriNetUnfolder]: For 1370/1577 co-relation queries the response was YES. [2021-04-28 20:43:05,496 INFO L84 FinitePrefix]: Finished finitePrefix Result has 14923 conditions, 5124 events. 3522/5124 cut-off events. For 1370/1577 co-relation queries the response was YES. Maximal size of possible extension queue 784. Compared 36045 event pairs, 2225 based on Foata normal form. 0/2281 useless extension candidates. Maximal degree in co-relation 14910. Up to 4307 conditions per place. [2021-04-28 20:43:05,555 INFO L146 LiptonReduction]: Number of co-enabled transitions 1210 [2021-04-28 20:43:05,577 INFO L158 LiptonReduction]: Checked pairs total: 1385 [2021-04-28 20:43:05,577 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:05,578 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 801 [2021-04-28 20:43:05,580 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 60 transitions, 277 flow [2021-04-28 20:43:05,581 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 330.75) internal successors, (1323), 4 states have internal predecessors, (1323), 0 states have call successors, (0), 0 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 20:43:05,581 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:05,581 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:05,581 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 20:43:05,581 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:05,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:05,582 INFO L82 PathProgramCache]: Analyzing trace with hash -365746708, now seen corresponding path program 1 times [2021-04-28 20:43:05,582 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:05,582 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550075988] [2021-04-28 20:43:05,583 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:05,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:05,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:05,662 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:05,665 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:05,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:05,672 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 20:43:05,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550075988] [2021-04-28 20:43:05,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:05,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 20:43:05,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [936883909] [2021-04-28 20:43:05,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 20:43:05,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:05,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 20:43:05,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 20:43:05,680 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 283 out of 429 [2021-04-28 20:43:05,685 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 60 transitions, 277 flow. Second operand has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 0 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 20:43:05,685 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:05,685 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 283 of 429 [2021-04-28 20:43:05,685 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:06,675 INFO L129 PetriNetUnfolder]: 5373/7942 cut-off events. [2021-04-28 20:43:06,675 INFO L130 PetriNetUnfolder]: For 3349/4152 co-relation queries the response was YES. [2021-04-28 20:43:06,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23629 conditions, 7942 events. 5373/7942 cut-off events. For 3349/4152 co-relation queries the response was YES. Maximal size of possible extension queue 1299. Compared 59596 event pairs, 3357 based on Foata normal form. 303/3701 useless extension candidates. Maximal degree in co-relation 23614. Up to 7031 conditions per place. [2021-04-28 20:43:06,771 INFO L132 encePairwiseOnDemand]: 426/429 looper letters, 3 selfloop transitions, 3 changer transitions 10/60 dead transitions. [2021-04-28 20:43:06,771 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 60 transitions, 289 flow [2021-04-28 20:43:06,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 20:43:06,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 20:43:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 855 transitions. [2021-04-28 20:43:06,775 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6643356643356644 [2021-04-28 20:43:06,776 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 855 transitions. [2021-04-28 20:43:06,776 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 855 transitions. [2021-04-28 20:43:06,777 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:06,777 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 855 transitions. [2021-04-28 20:43:06,780 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 285.0) internal successors, (855), 3 states have internal predecessors, (855), 0 states have call successors, (0), 0 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 20:43:06,785 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 429.0) internal successors, (1716), 4 states have internal predecessors, (1716), 0 states have call successors, (0), 0 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 20:43:06,786 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 429.0) internal successors, (1716), 4 states have internal predecessors, (1716), 0 states have call successors, (0), 0 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 20:43:06,787 INFO L185 Difference]: Start difference. First operand has 55 places, 60 transitions, 277 flow. Second operand 3 states and 855 transitions. [2021-04-28 20:43:06,787 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 60 transitions, 289 flow [2021-04-28 20:43:06,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 60 transitions, 276 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-28 20:43:06,811 INFO L241 Difference]: Finished difference. Result has 57 places, 50 transitions, 215 flow [2021-04-28 20:43:06,811 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=60, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=57, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=215, PETRI_PLACES=57, PETRI_TRANSITIONS=50} [2021-04-28 20:43:06,811 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -100 predicate places. [2021-04-28 20:43:06,812 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:06,812 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 57 places, 50 transitions, 215 flow [2021-04-28 20:43:06,812 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 57 places, 50 transitions, 215 flow [2021-04-28 20:43:06,813 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 50 transitions, 215 flow [2021-04-28 20:43:07,490 INFO L129 PetriNetUnfolder]: 4410/6465 cut-off events. [2021-04-28 20:43:07,492 INFO L130 PetriNetUnfolder]: For 2653/3167 co-relation queries the response was YES. [2021-04-28 20:43:07,519 INFO L84 FinitePrefix]: Finished finitePrefix Result has 19159 conditions, 6465 events. 4410/6465 cut-off events. For 2653/3167 co-relation queries the response was YES. Maximal size of possible extension queue 934. Compared 46899 event pairs, 2817 based on Foata normal form. 0/2918 useless extension candidates. Maximal degree in co-relation 19145. Up to 5590 conditions per place. [2021-04-28 20:43:07,602 INFO L146 LiptonReduction]: Number of co-enabled transitions 980 [2021-04-28 20:43:07,636 INFO L158 LiptonReduction]: Checked pairs total: 836 [2021-04-28 20:43:07,636 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:07,636 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 824 [2021-04-28 20:43:07,638 INFO L480 AbstractCegarLoop]: Abstraction has has 55 places, 50 transitions, 215 flow [2021-04-28 20:43:07,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 284.0) internal successors, (852), 3 states have internal predecessors, (852), 0 states have call successors, (0), 0 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 20:43:07,640 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:07,640 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:07,640 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 20:43:07,640 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:07,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:07,651 INFO L82 PathProgramCache]: Analyzing trace with hash -165251717, now seen corresponding path program 1 times [2021-04-28 20:43:07,651 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:07,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540293194] [2021-04-28 20:43:07,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:07,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:07,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:07,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:07,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:07,807 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:07,812 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:07,813 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:43:07,822 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:07,823 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:07,823 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 20:43:07,823 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540293194] [2021-04-28 20:43:07,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:07,824 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:43:07,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876770006] [2021-04-28 20:43:07,824 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:43:07,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:07,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:43:07,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:43:07,828 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 429 [2021-04-28 20:43:07,830 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 50 transitions, 215 flow. Second operand has 5 states, 5 states have (on average 330.8) internal successors, (1654), 5 states have internal predecessors, (1654), 0 states have call successors, (0), 0 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 20:43:07,831 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:07,831 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 429 [2021-04-28 20:43:07,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:08,905 INFO L129 PetriNetUnfolder]: 4869/7350 cut-off events. [2021-04-28 20:43:08,905 INFO L130 PetriNetUnfolder]: For 3261/4668 co-relation queries the response was YES. [2021-04-28 20:43:08,928 INFO L84 FinitePrefix]: Finished finitePrefix Result has 28790 conditions, 7350 events. 4869/7350 cut-off events. For 3261/4668 co-relation queries the response was YES. Maximal size of possible extension queue 1242. Compared 53373 event pairs, 1485 based on Foata normal form. 508/3708 useless extension candidates. Maximal degree in co-relation 28774. Up to 6499 conditions per place. [2021-04-28 20:43:08,972 INFO L132 encePairwiseOnDemand]: 414/429 looper letters, 14 selfloop transitions, 25 changer transitions 25/87 dead transitions. [2021-04-28 20:43:08,973 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 87 transitions, 563 flow [2021-04-28 20:43:08,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:43:08,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:43:08,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2046 transitions. [2021-04-28 20:43:08,980 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7948717948717948 [2021-04-28 20:43:08,980 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2046 transitions. [2021-04-28 20:43:08,981 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2046 transitions. [2021-04-28 20:43:08,983 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:08,983 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2046 transitions. [2021-04-28 20:43:08,990 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 341.0) internal successors, (2046), 6 states have internal predecessors, (2046), 0 states have call successors, (0), 0 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 20:43:08,997 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 429.0) internal successors, (3003), 7 states have internal predecessors, (3003), 0 states have call successors, (0), 0 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 20:43:08,998 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 429.0) internal successors, (3003), 7 states have internal predecessors, (3003), 0 states have call successors, (0), 0 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 20:43:08,998 INFO L185 Difference]: Start difference. First operand has 55 places, 50 transitions, 215 flow. Second operand 6 states and 2046 transitions. [2021-04-28 20:43:08,999 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 87 transitions, 563 flow [2021-04-28 20:43:09,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 87 transitions, 556 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 20:43:09,223 INFO L241 Difference]: Finished difference. Result has 61 places, 62 transitions, 408 flow [2021-04-28 20:43:09,224 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=208, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=13, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=408, PETRI_PLACES=61, PETRI_TRANSITIONS=62} [2021-04-28 20:43:09,224 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -96 predicate places. [2021-04-28 20:43:09,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:09,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 62 transitions, 408 flow [2021-04-28 20:43:09,225 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 62 transitions, 408 flow [2021-04-28 20:43:09,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 59 places, 62 transitions, 408 flow [2021-04-28 20:43:09,849 INFO L129 PetriNetUnfolder]: 3852/5838 cut-off events. [2021-04-28 20:43:09,849 INFO L130 PetriNetUnfolder]: For 5552/6681 co-relation queries the response was YES. [2021-04-28 20:43:09,874 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27250 conditions, 5838 events. 3852/5838 cut-off events. For 5552/6681 co-relation queries the response was YES. Maximal size of possible extension queue 876. Compared 43027 event pairs, 1323 based on Foata normal form. 4/2725 useless extension candidates. Maximal degree in co-relation 27233. Up to 4987 conditions per place. [2021-04-28 20:43:09,962 INFO L146 LiptonReduction]: Number of co-enabled transitions 1250 [2021-04-28 20:43:09,978 INFO L158 LiptonReduction]: Checked pairs total: 1445 [2021-04-28 20:43:09,979 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:09,979 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 755 [2021-04-28 20:43:09,984 INFO L480 AbstractCegarLoop]: Abstraction has has 59 places, 62 transitions, 408 flow [2021-04-28 20:43:09,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 330.8) internal successors, (1654), 5 states have internal predecessors, (1654), 0 states have call successors, (0), 0 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 20:43:09,985 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:09,986 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:09,986 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 20:43:09,986 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:09,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:09,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1024656570, now seen corresponding path program 1 times [2021-04-28 20:43:09,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:09,987 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512876338] [2021-04-28 20:43:09,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:10,144 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:10,146 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:10,150 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:10,151 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:10,155 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:10,156 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:10,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:10,163 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:43:10,171 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:10,172 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:10,173 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 20:43:10,173 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512876338] [2021-04-28 20:43:10,173 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:10,173 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 20:43:10,173 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135002635] [2021-04-28 20:43:10,174 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 20:43:10,174 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:10,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 20:43:10,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-28 20:43:10,179 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 429 [2021-04-28 20:43:10,181 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 62 transitions, 408 flow. Second operand has 6 states, 6 states have (on average 330.8333333333333) internal successors, (1985), 6 states have internal predecessors, (1985), 0 states have call successors, (0), 0 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 20:43:10,182 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:10,182 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 429 [2021-04-28 20:43:10,182 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:11,013 INFO L129 PetriNetUnfolder]: 3231/5307 cut-off events. [2021-04-28 20:43:11,013 INFO L130 PetriNetUnfolder]: For 5444/8414 co-relation queries the response was YES. [2021-04-28 20:43:11,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 29871 conditions, 5307 events. 3231/5307 cut-off events. For 5444/8414 co-relation queries the response was YES. Maximal size of possible extension queue 954. Compared 38928 event pairs, 324 based on Foata normal form. 503/2934 useless extension candidates. Maximal degree in co-relation 29852. Up to 4663 conditions per place. [2021-04-28 20:43:11,050 INFO L132 encePairwiseOnDemand]: 414/429 looper letters, 14 selfloop transitions, 37 changer transitions 25/99 dead transitions. [2021-04-28 20:43:11,050 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 99 transitions, 926 flow [2021-04-28 20:43:11,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 20:43:11,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 20:43:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 2388 transitions. [2021-04-28 20:43:11,059 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7952047952047953 [2021-04-28 20:43:11,059 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 2388 transitions. [2021-04-28 20:43:11,059 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 2388 transitions. [2021-04-28 20:43:11,062 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:11,062 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 2388 transitions. [2021-04-28 20:43:11,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 341.14285714285717) internal successors, (2388), 7 states have internal predecessors, (2388), 0 states have call successors, (0), 0 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 20:43:11,078 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 429.0) internal successors, (3432), 8 states have internal predecessors, (3432), 0 states have call successors, (0), 0 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 20:43:11,079 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 429.0) internal successors, (3432), 8 states have internal predecessors, (3432), 0 states have call successors, (0), 0 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 20:43:11,080 INFO L185 Difference]: Start difference. First operand has 59 places, 62 transitions, 408 flow. Second operand 7 states and 2388 transitions. [2021-04-28 20:43:11,080 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 99 transitions, 926 flow [2021-04-28 20:43:11,275 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 99 transitions, 752 flow, removed 74 selfloop flow, removed 4 redundant places. [2021-04-28 20:43:11,278 INFO L241 Difference]: Finished difference. Result has 64 places, 74 transitions, 554 flow [2021-04-28 20:43:11,279 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=306, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=25, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=554, PETRI_PLACES=64, PETRI_TRANSITIONS=74} [2021-04-28 20:43:11,279 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -93 predicate places. [2021-04-28 20:43:11,279 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:11,279 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 64 places, 74 transitions, 554 flow [2021-04-28 20:43:11,280 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 64 places, 74 transitions, 554 flow [2021-04-28 20:43:11,281 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 62 places, 74 transitions, 554 flow [2021-04-28 20:43:11,696 INFO L129 PetriNetUnfolder]: 2313/3906 cut-off events. [2021-04-28 20:43:11,697 INFO L130 PetriNetUnfolder]: For 5168/5944 co-relation queries the response was YES. [2021-04-28 20:43:11,710 INFO L84 FinitePrefix]: Finished finitePrefix Result has 20702 conditions, 3906 events. 2313/3906 cut-off events. For 5168/5944 co-relation queries the response was YES. Maximal size of possible extension queue 675. Compared 30315 event pairs, 324 based on Foata normal form. 6/1919 useless extension candidates. Maximal degree in co-relation 20684. Up to 3250 conditions per place. [2021-04-28 20:43:11,762 INFO L146 LiptonReduction]: Number of co-enabled transitions 1242 [2021-04-28 20:43:11,775 INFO L158 LiptonReduction]: Checked pairs total: 1838 [2021-04-28 20:43:11,775 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:11,776 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 497 [2021-04-28 20:43:11,777 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 74 transitions, 554 flow [2021-04-28 20:43:11,778 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 330.8333333333333) internal successors, (1985), 6 states have internal predecessors, (1985), 0 states have call successors, (0), 0 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 20:43:11,778 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:11,778 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:11,779 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 20:43:11,779 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:11,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:11,779 INFO L82 PathProgramCache]: Analyzing trace with hash 652283588, now seen corresponding path program 1 times [2021-04-28 20:43:11,780 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:11,780 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820566399] [2021-04-28 20:43:11,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:11,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:11,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:11,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:11,860 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,860 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:11,866 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,866 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:11,874 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 20:43:11,884 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:11,884 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:11,885 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 20:43:11,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820566399] [2021-04-28 20:43:11,885 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:11,885 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-04-28 20:43:11,885 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074535960] [2021-04-28 20:43:11,886 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-04-28 20:43:11,886 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:11,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-04-28 20:43:11,887 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-04-28 20:43:11,890 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 429 [2021-04-28 20:43:11,893 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 74 transitions, 554 flow. Second operand has 7 states, 7 states have (on average 330.85714285714283) internal successors, (2316), 7 states have internal predecessors, (2316), 0 states have call successors, (0), 0 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 20:43:11,894 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:11,894 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 429 [2021-04-28 20:43:11,894 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:12,510 INFO L129 PetriNetUnfolder]: 1503/2805 cut-off events. [2021-04-28 20:43:12,511 INFO L130 PetriNetUnfolder]: For 3656/6284 co-relation queries the response was YES. [2021-04-28 20:43:12,517 INFO L84 FinitePrefix]: Finished finitePrefix Result has 17569 conditions, 2805 events. 1503/2805 cut-off events. For 3656/6284 co-relation queries the response was YES. Maximal size of possible extension queue 486. Compared 20665 event pairs, 0 based on Foata normal form. 410/1707 useless extension candidates. Maximal degree in co-relation 17549. Up to 2521 conditions per place. [2021-04-28 20:43:12,528 INFO L132 encePairwiseOnDemand]: 414/429 looper letters, 2 selfloop transitions, 49 changer transitions 13/87 dead transitions. [2021-04-28 20:43:12,528 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 69 places, 87 transitions, 834 flow [2021-04-28 20:43:12,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-04-28 20:43:12,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-04-28 20:43:12,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 2706 transitions. [2021-04-28 20:43:12,538 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7884615384615384 [2021-04-28 20:43:12,538 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 2706 transitions. [2021-04-28 20:43:12,538 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 2706 transitions. [2021-04-28 20:43:12,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:12,541 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 2706 transitions. [2021-04-28 20:43:12,549 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 338.25) internal successors, (2706), 8 states have internal predecessors, (2706), 0 states have call successors, (0), 0 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 20:43:12,559 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 429.0) internal successors, (3861), 9 states have internal predecessors, (3861), 0 states have call successors, (0), 0 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 20:43:12,561 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 429.0) internal successors, (3861), 9 states have internal predecessors, (3861), 0 states have call successors, (0), 0 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 20:43:12,561 INFO L185 Difference]: Start difference. First operand has 62 places, 74 transitions, 554 flow. Second operand 8 states and 2706 transitions. [2021-04-28 20:43:12,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 69 places, 87 transitions, 834 flow [2021-04-28 20:43:12,727 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 87 transitions, 654 flow, removed 64 selfloop flow, removed 6 redundant places. [2021-04-28 20:43:12,729 INFO L241 Difference]: Finished difference. Result has 66 places, 74 transitions, 526 flow [2021-04-28 20:43:12,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=49, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=526, PETRI_PLACES=66, PETRI_TRANSITIONS=74} [2021-04-28 20:43:12,730 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -91 predicate places. [2021-04-28 20:43:12,730 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:12,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 74 transitions, 526 flow [2021-04-28 20:43:12,731 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 74 transitions, 526 flow [2021-04-28 20:43:12,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 64 places, 74 transitions, 526 flow [2021-04-28 20:43:12,918 INFO L129 PetriNetUnfolder]: 1017/1941 cut-off events. [2021-04-28 20:43:12,918 INFO L130 PetriNetUnfolder]: For 2330/2678 co-relation queries the response was YES. [2021-04-28 20:43:12,923 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9016 conditions, 1941 events. 1017/1941 cut-off events. For 2330/2678 co-relation queries the response was YES. Maximal size of possible extension queue 352. Compared 14819 event pairs, 0 based on Foata normal form. 1/869 useless extension candidates. Maximal degree in co-relation 8998. Up to 1459 conditions per place. [2021-04-28 20:43:12,948 INFO L146 LiptonReduction]: Number of co-enabled transitions 1150 [2021-04-28 20:43:13,012 INFO L158 LiptonReduction]: Checked pairs total: 1788 [2021-04-28 20:43:13,012 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:13,012 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 282 [2021-04-28 20:43:13,014 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 74 transitions, 526 flow [2021-04-28 20:43:13,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 330.85714285714283) internal successors, (2316), 7 states have internal predecessors, (2316), 0 states have call successors, (0), 0 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 20:43:13,016 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:13,016 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:13,016 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 20:43:13,016 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:13,017 INFO L82 PathProgramCache]: Analyzing trace with hash -677051675, now seen corresponding path program 1 times [2021-04-28 20:43:13,017 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:13,017 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1665732060] [2021-04-28 20:43:13,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:13,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:13,175 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:13,176 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:13,176 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:13,177 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:13,187 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:43:13,188 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:43:13,204 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 20:43:13,204 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1665732060] [2021-04-28 20:43:13,205 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:13,206 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 20:43:13,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085377514] [2021-04-28 20:43:13,206 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 20:43:13,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:13,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 20:43:13,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 20:43:13,210 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 429 [2021-04-28 20:43:13,212 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 74 transitions, 526 flow. Second operand has 4 states, 4 states have (on average 243.25) internal successors, (973), 4 states have internal predecessors, (973), 0 states have call successors, (0), 0 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 20:43:13,212 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:13,212 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 429 [2021-04-28 20:43:13,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:13,975 INFO L129 PetriNetUnfolder]: 3615/6689 cut-off events. [2021-04-28 20:43:13,975 INFO L130 PetriNetUnfolder]: For 8487/11733 co-relation queries the response was YES. [2021-04-28 20:43:14,020 INFO L84 FinitePrefix]: Finished finitePrefix Result has 27850 conditions, 6689 events. 3615/6689 cut-off events. For 8487/11733 co-relation queries the response was YES. Maximal size of possible extension queue 1029. Compared 55134 event pairs, 17 based on Foata normal form. 82/2644 useless extension candidates. Maximal degree in co-relation 27830. Up to 4213 conditions per place. [2021-04-28 20:43:14,042 INFO L132 encePairwiseOnDemand]: 420/429 looper letters, 13 selfloop transitions, 14 changer transitions 6/96 dead transitions. [2021-04-28 20:43:14,042 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 96 transitions, 668 flow [2021-04-28 20:43:14,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 20:43:14,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 20:43:14,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 1232 transitions. [2021-04-28 20:43:14,047 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5743589743589743 [2021-04-28 20:43:14,047 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 1232 transitions. [2021-04-28 20:43:14,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 1232 transitions. [2021-04-28 20:43:14,049 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:14,049 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 1232 transitions. [2021-04-28 20:43:14,052 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 246.4) internal successors, (1232), 5 states have internal predecessors, (1232), 0 states have call successors, (0), 0 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 20:43:14,057 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 429.0) internal successors, (2574), 6 states have internal predecessors, (2574), 0 states have call successors, (0), 0 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 20:43:14,058 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 429.0) internal successors, (2574), 6 states have internal predecessors, (2574), 0 states have call successors, (0), 0 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 20:43:14,058 INFO L185 Difference]: Start difference. First operand has 64 places, 74 transitions, 526 flow. Second operand 5 states and 1232 transitions. [2021-04-28 20:43:14,058 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 96 transitions, 668 flow [2021-04-28 20:43:15,228 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 61 places, 96 transitions, 492 flow, removed 51 selfloop flow, removed 7 redundant places. [2021-04-28 20:43:15,230 INFO L241 Difference]: Finished difference. Result has 65 places, 85 transitions, 466 flow [2021-04-28 20:43:15,230 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=429, PETRI_DIFFERENCE_MINUEND_FLOW=350, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=65, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=466, PETRI_PLACES=65, PETRI_TRANSITIONS=85} [2021-04-28 20:43:15,230 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -92 predicate places. [2021-04-28 20:43:15,230 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:15,231 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 65 places, 85 transitions, 466 flow [2021-04-28 20:43:15,231 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 65 places, 85 transitions, 466 flow [2021-04-28 20:43:15,232 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 65 places, 85 transitions, 466 flow [2021-04-28 20:43:15,511 INFO L129 PetriNetUnfolder]: 1836/3482 cut-off events. [2021-04-28 20:43:15,512 INFO L130 PetriNetUnfolder]: For 1961/2048 co-relation queries the response was YES. [2021-04-28 20:43:15,529 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9791 conditions, 3482 events. 1836/3482 cut-off events. For 1961/2048 co-relation queries the response was YES. Maximal size of possible extension queue 528. Compared 27954 event pairs, 10 based on Foata normal form. 2/1370 useless extension candidates. Maximal degree in co-relation 9772. Up to 1459 conditions per place. [2021-04-28 20:43:15,563 INFO L146 LiptonReduction]: Number of co-enabled transitions 1490 [2021-04-28 20:43:15,782 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:43:15,927 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 20:43:16,180 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:43:16,432 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2021-04-28 20:43:16,453 INFO L158 LiptonReduction]: Checked pairs total: 1368 [2021-04-28 20:43:16,453 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-28 20:43:16,453 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1223 [2021-04-28 20:43:16,454 INFO L480 AbstractCegarLoop]: Abstraction has has 65 places, 85 transitions, 466 flow [2021-04-28 20:43:16,455 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 243.25) internal successors, (973), 4 states have internal predecessors, (973), 0 states have call successors, (0), 0 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 20:43:16,455 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:16,455 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 20:43:16,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-04-28 20:43:16,455 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:16,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:16,456 INFO L82 PathProgramCache]: Analyzing trace with hash 871619361, now seen corresponding path program 1 times [2021-04-28 20:43:16,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:16,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285980950] [2021-04-28 20:43:16,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:16,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:16,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:16,541 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:16,541 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:16,545 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:16,546 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:16,551 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:43:16,552 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:43:16,566 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 20:43:16,566 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285980950] [2021-04-28 20:43:16,566 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:16,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:43:16,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793395202] [2021-04-28 20:43:16,567 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:43:16,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:16,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:43:16,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:43:16,570 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 241 out of 430 [2021-04-28 20:43:16,571 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 65 places, 85 transitions, 466 flow. Second operand has 5 states, 5 states have (on average 242.8) internal successors, (1214), 5 states have internal predecessors, (1214), 0 states have call successors, (0), 0 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 20:43:16,571 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:16,572 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 241 of 430 [2021-04-28 20:43:16,572 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:17,101 INFO L129 PetriNetUnfolder]: 2593/4835 cut-off events. [2021-04-28 20:43:17,101 INFO L130 PetriNetUnfolder]: For 3235/3448 co-relation queries the response was YES. [2021-04-28 20:43:17,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 13768 conditions, 4835 events. 2593/4835 cut-off events. For 3235/3448 co-relation queries the response was YES. Maximal size of possible extension queue 750. Compared 38427 event pairs, 12 based on Foata normal form. 95/1975 useless extension candidates. Maximal degree in co-relation 13747. Up to 2107 conditions per place. [2021-04-28 20:43:17,138 INFO L132 encePairwiseOnDemand]: 422/430 looper letters, 10 selfloop transitions, 10 changer transitions 18/100 dead transitions. [2021-04-28 20:43:17,138 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 70 places, 100 transitions, 652 flow [2021-04-28 20:43:17,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:43:17,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:43:17,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1475 transitions. [2021-04-28 20:43:17,144 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5717054263565892 [2021-04-28 20:43:17,144 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1475 transitions. [2021-04-28 20:43:17,145 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1475 transitions. [2021-04-28 20:43:17,146 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:17,146 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1475 transitions. [2021-04-28 20:43:17,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 245.83333333333334) internal successors, (1475), 6 states have internal predecessors, (1475), 0 states have call successors, (0), 0 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 20:43:17,157 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 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 20:43:17,158 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 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 20:43:17,158 INFO L185 Difference]: Start difference. First operand has 65 places, 85 transitions, 466 flow. Second operand 6 states and 1475 transitions. [2021-04-28 20:43:17,159 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 70 places, 100 transitions, 652 flow [2021-04-28 20:43:17,467 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 100 transitions, 626 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-28 20:43:17,469 INFO L241 Difference]: Finished difference. Result has 70 places, 80 transitions, 453 flow [2021-04-28 20:43:17,469 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=452, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=85, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=453, PETRI_PLACES=70, PETRI_TRANSITIONS=80} [2021-04-28 20:43:17,469 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -87 predicate places. [2021-04-28 20:43:17,470 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:17,470 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 80 transitions, 453 flow [2021-04-28 20:43:17,470 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 80 transitions, 453 flow [2021-04-28 20:43:17,471 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 68 places, 80 transitions, 453 flow [2021-04-28 20:43:17,665 INFO L129 PetriNetUnfolder]: 1108/2064 cut-off events. [2021-04-28 20:43:17,665 INFO L130 PetriNetUnfolder]: For 1209/1243 co-relation queries the response was YES. [2021-04-28 20:43:17,676 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6062 conditions, 2064 events. 1108/2064 cut-off events. For 1209/1243 co-relation queries the response was YES. Maximal size of possible extension queue 335. Compared 15260 event pairs, 9 based on Foata normal form. 2/771 useless extension candidates. Maximal degree in co-relation 6041. Up to 892 conditions per place. [2021-04-28 20:43:17,697 INFO L146 LiptonReduction]: Number of co-enabled transitions 1236 [2021-04-28 20:43:17,790 INFO L158 LiptonReduction]: Checked pairs total: 636 [2021-04-28 20:43:17,790 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 20:43:17,791 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 321 [2021-04-28 20:43:17,792 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 80 transitions, 453 flow [2021-04-28 20:43:17,792 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 242.8) internal successors, (1214), 5 states have internal predecessors, (1214), 0 states have call successors, (0), 0 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 20:43:17,793 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:17,793 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:17,793 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-04-28 20:43:17,793 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:17,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:17,793 INFO L82 PathProgramCache]: Analyzing trace with hash 228301416, now seen corresponding path program 1 times [2021-04-28 20:43:17,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:17,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491658854] [2021-04-28 20:43:17,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 20:43:17,849 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:17,850 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 20:43:17,851 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:17,851 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:17,854 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 20:43:17,855 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 20:43:17,860 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.5 percent of original size [2021-04-28 20:43:17,861 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 20:43:17,874 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 20:43:17,874 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491658854] [2021-04-28 20:43:17,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 20:43:17,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 20:43:17,875 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382941594] [2021-04-28 20:43:17,875 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 20:43:17,875 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 20:43:17,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 20:43:17,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 20:43:17,879 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 240 out of 430 [2021-04-28 20:43:17,880 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 68 places, 80 transitions, 453 flow. Second operand has 5 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:43:17,880 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 20:43:17,881 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 240 of 430 [2021-04-28 20:43:17,881 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 20:43:18,227 INFO L129 PetriNetUnfolder]: 1908/3439 cut-off events. [2021-04-28 20:43:18,227 INFO L130 PetriNetUnfolder]: For 2605/2748 co-relation queries the response was YES. [2021-04-28 20:43:18,244 INFO L84 FinitePrefix]: Finished finitePrefix Result has 10232 conditions, 3439 events. 1908/3439 cut-off events. For 2605/2748 co-relation queries the response was YES. Maximal size of possible extension queue 546. Compared 25685 event pairs, 8 based on Foata normal form. 94/1322 useless extension candidates. Maximal degree in co-relation 10209. Up to 1540 conditions per place. [2021-04-28 20:43:18,251 INFO L132 encePairwiseOnDemand]: 422/430 looper letters, 6 selfloop transitions, 5 changer transitions 23/94 dead transitions. [2021-04-28 20:43:18,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 94 transitions, 612 flow [2021-04-28 20:43:18,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-28 20:43:18,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-28 20:43:18,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1467 transitions. [2021-04-28 20:43:18,257 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5686046511627907 [2021-04-28 20:43:18,258 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1467 transitions. [2021-04-28 20:43:18,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1467 transitions. [2021-04-28 20:43:18,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 20:43:18,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1467 transitions. [2021-04-28 20:43:18,263 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 244.5) internal successors, (1467), 6 states have internal predecessors, (1467), 0 states have call successors, (0), 0 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 20:43:18,268 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 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 20:43:18,269 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 430.0) internal successors, (3010), 7 states have internal predecessors, (3010), 0 states have call successors, (0), 0 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 20:43:18,269 INFO L185 Difference]: Start difference. First operand has 68 places, 80 transitions, 453 flow. Second operand 6 states and 1467 transitions. [2021-04-28 20:43:18,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 94 transitions, 612 flow [2021-04-28 20:43:18,522 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 94 transitions, 580 flow, removed 2 selfloop flow, removed 5 redundant places. [2021-04-28 20:43:18,524 INFO L241 Difference]: Finished difference. Result has 70 places, 70 transitions, 386 flow [2021-04-28 20:43:18,524 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=430, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=80, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=386, PETRI_PLACES=70, PETRI_TRANSITIONS=70} [2021-04-28 20:43:18,524 INFO L343 CegarLoopForPetriNet]: 157 programPoint places, -87 predicate places. [2021-04-28 20:43:18,524 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 20:43:18,525 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions, 386 flow [2021-04-28 20:43:18,525 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 70 transitions, 386 flow [2021-04-28 20:43:18,526 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 70 transitions, 386 flow [2021-04-28 20:43:18,650 INFO L129 PetriNetUnfolder]: 780/1450 cut-off events. [2021-04-28 20:43:18,650 INFO L130 PetriNetUnfolder]: For 859/890 co-relation queries the response was YES. [2021-04-28 20:43:18,656 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4132 conditions, 1450 events. 780/1450 cut-off events. For 859/890 co-relation queries the response was YES. Maximal size of possible extension queue 250. Compared 10371 event pairs, 6 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 4110. Up to 649 conditions per place. [2021-04-28 20:43:18,668 INFO L146 LiptonReduction]: Number of co-enabled transitions 494 [2021-04-28 20:43:18,815 INFO L158 LiptonReduction]: Checked pairs total: 1386 [2021-04-28 20:43:18,816 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 20:43:18,816 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 292 [2021-04-28 20:43:18,817 INFO L480 AbstractCegarLoop]: Abstraction has has 68 places, 71 transitions, 402 flow [2021-04-28 20:43:18,818 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 241.8) internal successors, (1209), 5 states have internal predecessors, (1209), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 20:43:18,818 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 20:43:18,818 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 20:43:18,818 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-04-28 20:43:18,818 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 20:43:18,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 20:43:18,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1412116570, now seen corresponding path program 2 times [2021-04-28 20:43:18,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 20:43:18,819 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796225823] [2021-04-28 20:43:18,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 20:43:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:43:18,872 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:43:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 20:43:18,921 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 20:43:18,966 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 20:43:18,966 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 20:43:18,967 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-04-28 20:43:19,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 08:43:19 BasicIcfg [2021-04-28 20:43:19,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 20:43:19,126 INFO L168 Benchmark]: Toolchain (without parser) took 77572.43 ms. Allocated memory was 302.0 MB in the beginning and 998.2 MB in the end (delta: 696.3 MB). Free memory was 277.3 MB in the beginning and 551.8 MB in the end (delta: -274.5 MB). Peak memory consumption was 425.0 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,126 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 20:43:19,126 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.36 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 276.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,127 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.39 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 273.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,127 INFO L168 Benchmark]: Boogie Preprocessor took 78.29 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 271.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,127 INFO L168 Benchmark]: RCFGBuilder took 2182.03 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 271.1 MB in the beginning and 337.2 MB in the end (delta: -66.0 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,128 INFO L168 Benchmark]: TraceAbstraction took 74262.81 ms. Allocated memory was 379.6 MB in the beginning and 998.2 MB in the end (delta: 618.7 MB). Free memory was 336.1 MB in the beginning and 551.8 MB in the end (delta: -215.7 MB). Peak memory consumption was 404.0 MB. Max. memory is 16.0 GB. [2021-04-28 20:43:19,129 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 887.36 ms. Allocated memory is still 302.0 MB. Free memory was 274.1 MB in the beginning and 276.4 MB in the end (delta: -2.3 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 108.39 ms. Allocated memory is still 302.0 MB. Free memory was 276.4 MB in the beginning and 273.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 78.29 ms. Allocated memory is still 302.0 MB. Free memory was 273.2 MB in the beginning and 271.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2182.03 ms. Allocated memory was 302.0 MB in the beginning and 379.6 MB in the end (delta: 77.6 MB). Free memory was 271.1 MB in the beginning and 337.2 MB in the end (delta: -66.0 MB). Peak memory consumption was 165.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 74262.81 ms. Allocated memory was 379.6 MB in the beginning and 998.2 MB in the end (delta: 618.7 MB). Free memory was 336.1 MB in the beginning and 551.8 MB in the end (delta: -215.7 MB). Peak memory consumption was 404.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 56131.9ms, 124 PlacesBefore, 157 PlacesAfterwards, 113 TransitionsBefore, 145 TransitionsAfterwards, 2488 CoEnabledTransitionPairs, 10 FixpointIterations, 204 TrivialSequentialCompositions, 105 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 311 TotalNumberOfCompositions, 26781 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 7010, positive: 6623, positive conditional: 6623, positive unconditional: 0, negative: 387, negative conditional: 387, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2963, positive: 2875, positive conditional: 0, positive unconditional: 2875, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2963, positive: 2875, positive conditional: 0, positive unconditional: 2875, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2963, positive: 2843, positive conditional: 0, positive unconditional: 2843, negative: 120, negative conditional: 0, negative unconditional: 120, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 120, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1172, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 1002, negative conditional: 0, negative unconditional: 1002, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7010, positive: 3748, positive conditional: 3748, positive unconditional: 0, negative: 299, negative conditional: 299, negative unconditional: 0, unknown: 2963, unknown conditional: 2963, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 2962, Positive cache size: 2874, Positive conditional cache size: 2874, Positive unconditional cache size: 0, Negative cache size: 88, Negative conditional cache size: 88, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 826.0ms, 152 PlacesBefore, 85 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 2848 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 3664 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 385, positive: 295, positive conditional: 295, positive unconditional: 0, negative: 90, negative conditional: 90, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 85, positive: 62, positive conditional: 16, positive unconditional: 46, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 85, positive: 62, positive conditional: 16, positive unconditional: 46, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 85, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 36, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 23, negative conditional: 2, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 796, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 689, negative conditional: 47, negative unconditional: 642, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 385, positive: 233, positive conditional: 233, positive unconditional: 0, negative: 67, negative conditional: 67, negative unconditional: 0, unknown: 85, unknown conditional: 85, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3047, Positive cache size: 2936, Positive conditional cache size: 2936, Positive unconditional cache size: 0, Negative cache size: 111, Negative conditional cache size: 111, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 625.0ms, 86 PlacesBefore, 48 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 758 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1774 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 744, positive: 673, positive conditional: 673, positive unconditional: 0, negative: 71, negative conditional: 71, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 187, positive: 178, positive conditional: 26, positive unconditional: 152, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 187, positive: 178, positive conditional: 26, positive unconditional: 152, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 187, positive: 126, positive conditional: 0, positive unconditional: 126, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 52, positive conditional: 0, positive unconditional: 52, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 369, positive: 185, positive conditional: 0, positive unconditional: 185, negative: 184, negative conditional: 0, negative unconditional: 184, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 744, positive: 495, positive conditional: 495, positive unconditional: 0, negative: 62, negative conditional: 62, negative unconditional: 0, unknown: 187, unknown conditional: 187, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3234, Positive cache size: 3114, Positive conditional cache size: 3114, Positive unconditional cache size: 0, Negative cache size: 120, Negative conditional cache size: 120, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 62.2ms, 49 PlacesBefore, 49 PlacesAfterwards, 38 TransitionsBefore, 38 TransitionsAfterwards, 820 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 701 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 300, positive: 273, positive conditional: 273, positive unconditional: 0, negative: 27, negative conditional: 27, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 3, positive unconditional: 16, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 22, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 300, positive: 254, positive conditional: 254, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 22, unknown conditional: 22, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3256, Positive cache size: 3133, Positive conditional cache size: 3133, Positive unconditional cache size: 0, Negative cache size: 123, Negative conditional cache size: 123, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 800.4ms, 55 PlacesBefore, 55 PlacesAfterwards, 60 TransitionsBefore, 60 TransitionsAfterwards, 1210 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1385 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 281, positive: 248, positive conditional: 248, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 44, positive: 43, positive conditional: 27, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 44, positive: 43, positive conditional: 27, positive unconditional: 16, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 44, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 281, positive: 205, positive conditional: 205, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 44, unknown conditional: 44, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3300, Positive cache size: 3176, Positive conditional cache size: 3176, Positive unconditional cache size: 0, Negative cache size: 124, Negative conditional cache size: 124, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 823.7ms, 57 PlacesBefore, 55 PlacesAfterwards, 50 TransitionsBefore, 50 TransitionsAfterwards, 980 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 202, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 9, positive conditional: 8, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 12, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 17, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 202, positive: 169, positive conditional: 169, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3312, Positive cache size: 3185, Positive conditional cache size: 3185, Positive unconditional cache size: 0, Negative cache size: 127, Negative conditional cache size: 127, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 754.0ms, 61 PlacesBefore, 59 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 1250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1445 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 365, positive: 332, positive conditional: 332, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 35, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 35, positive unconditional: 35, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 70, positive: 70, positive conditional: 0, positive unconditional: 70, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 365, positive: 262, positive conditional: 262, positive unconditional: 0, negative: 33, negative conditional: 33, negative unconditional: 0, unknown: 70, unknown conditional: 70, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3382, Positive cache size: 3255, Positive conditional cache size: 3255, Positive unconditional cache size: 0, Negative cache size: 127, Negative conditional cache size: 127, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 495.7ms, 64 PlacesBefore, 62 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1242 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1838 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 447, positive: 405, positive conditional: 405, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 49, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 49, positive unconditional: 11, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 60, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 447, positive: 345, positive conditional: 345, positive unconditional: 0, negative: 42, negative conditional: 42, negative unconditional: 0, unknown: 60, unknown conditional: 60, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3442, Positive cache size: 3315, Positive conditional cache size: 3315, Positive unconditional cache size: 0, Negative cache size: 127, Negative conditional cache size: 127, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.6ms, 66 PlacesBefore, 64 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1150 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1788 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 562, positive: 518, positive conditional: 518, positive unconditional: 0, negative: 44, negative conditional: 44, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 105, positive: 104, positive conditional: 101, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 105, positive: 104, positive conditional: 101, positive unconditional: 3, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 105, positive: 104, positive conditional: 0, positive unconditional: 104, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 43, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 43, negative conditional: 0, negative unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 562, positive: 414, positive conditional: 414, positive unconditional: 0, negative: 43, negative conditional: 43, negative unconditional: 0, unknown: 105, unknown conditional: 105, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3547, Positive cache size: 3419, Positive conditional cache size: 3419, Positive unconditional cache size: 0, Negative cache size: 128, Negative conditional cache size: 128, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1221.9ms, 65 PlacesBefore, 65 PlacesAfterwards, 85 TransitionsBefore, 85 TransitionsAfterwards, 1490 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 1368 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 90, positive conditional: 90, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 7, positive unconditional: 1, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 76, negative conditional: 76, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 120, positive: 82, positive conditional: 82, positive unconditional: 0, negative: 28, negative conditional: 28, negative unconditional: 0, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3557, Positive cache size: 3427, Positive conditional cache size: 3427, Positive unconditional cache size: 0, Negative cache size: 130, Negative conditional cache size: 130, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 320.3ms, 70 PlacesBefore, 68 PlacesAfterwards, 80 TransitionsBefore, 80 TransitionsAfterwards, 1236 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 636 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 267, positive: 252, positive conditional: 252, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 34, positive: 32, positive conditional: 25, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 34, positive: 32, positive conditional: 25, positive unconditional: 7, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 34, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 65, negative conditional: 0, negative unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 267, positive: 220, positive conditional: 220, positive unconditional: 0, negative: 13, negative conditional: 13, negative unconditional: 0, unknown: 34, unknown conditional: 34, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3591, Positive cache size: 3459, Positive conditional cache size: 3459, Positive unconditional cache size: 0, Negative cache size: 132, Negative conditional cache size: 132, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 290.8ms, 70 PlacesBefore, 68 PlacesAfterwards, 70 TransitionsBefore, 71 TransitionsAfterwards, 494 CoEnabledTransitionPairs, 3 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 1386 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 702, positive: 666, positive conditional: 666, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 29, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 29, positive unconditional: 7, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 36, positive: 36, positive conditional: 0, positive unconditional: 36, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 702, positive: 630, positive conditional: 630, positive unconditional: 0, negative: 36, negative conditional: 36, negative unconditional: 0, unknown: 36, unknown conditional: 36, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 3627, Positive cache size: 3495, Positive conditional cache size: 3495, Positive unconditional cache size: 0, Negative cache size: 132, Negative conditional cache size: 132, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p3_EAX = 0; [L718] 0 int __unbuffered_p3_EBX = 0; [L720] 0 int a = 0; [L722] 0 int b = 0; [L723] 0 _Bool main$tmp_guard0; [L724] 0 _Bool main$tmp_guard1; [L726] 0 int x = 0; [L728] 0 int y = 0; [L730] 0 int z = 0; [L731] 0 _Bool z$flush_delayed; [L732] 0 int z$mem_tmp; [L733] 0 _Bool z$r_buff0_thd0; [L734] 0 _Bool z$r_buff0_thd1; [L735] 0 _Bool z$r_buff0_thd2; [L736] 0 _Bool z$r_buff0_thd3; [L737] 0 _Bool z$r_buff0_thd4; [L738] 0 _Bool z$r_buff1_thd0; [L739] 0 _Bool z$r_buff1_thd1; [L740] 0 _Bool z$r_buff1_thd2; [L741] 0 _Bool z$r_buff1_thd3; [L742] 0 _Bool z$r_buff1_thd4; [L743] 0 _Bool z$read_delayed; [L744] 0 int *z$read_delayed_var; [L745] 0 int z$w_buff0; [L746] 0 _Bool z$w_buff0_used; [L747] 0 int z$w_buff1; [L748] 0 _Bool z$w_buff1_used; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L856] 0 pthread_t t1053; [L857] FCALL, FORK 0 pthread_create(&t1053, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L858] 0 pthread_t t1054; [L859] FCALL, FORK 0 pthread_create(&t1054, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L860] 0 pthread_t t1055; [L861] FCALL, FORK 0 pthread_create(&t1055, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L862] 0 pthread_t t1056; [L863] FCALL, FORK 0 pthread_create(&t1056, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L812] 4 z$w_buff1 = z$w_buff0 [L813] 4 z$w_buff0 = 1 [L814] 4 z$w_buff1_used = z$w_buff0_used [L815] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L817] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L818] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L819] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L820] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L821] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L822] 4 z$r_buff0_thd4 = (_Bool)1 [L825] 4 a = 1 [L828] 4 __unbuffered_p3_EAX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L831] 4 __unbuffered_p3_EBX = b VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, b=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L754] 1 b = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L762] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L764] 1 return 0; [L769] 2 x = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L772] 2 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 2 return 0; VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L784] 3 y = 2 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L787] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L788] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L789] 3 z$flush_delayed = weak$$choice2 [L790] 3 z$mem_tmp = z [L791] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L791] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L792] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L792] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L793] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L793] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L794] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L794] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L795] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L795] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L796] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L796] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L797] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L797] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L798] 3 __unbuffered_p2_EAX = z [L799] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L799] 3 z = z$flush_delayed ? z$mem_tmp : z [L800] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L805] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L807] 3 return 0; VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L834] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L835] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L835] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L836] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L836] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L837] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L837] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L838] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L838] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L841] 4 __unbuffered_cnt = __unbuffered_cnt + 1 VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L865] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L869] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L869] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L870] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L870] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L871] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L871] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L872] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L872] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L873] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L873] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L876] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, b=1, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 116 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 20.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 73931.8ms, OverallIterations: 12, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 9288.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 56254.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 100 SDtfs, 89 SDslu, 59 SDs, 0 SdLazy, 536 SolverSat, 149 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 615.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 240.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=554occurred in iteration=7, InterpolantAutomatonStates: 55, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 52.9ms SsaConstructionTime, 613.0ms SatisfiabilityAnalysisTime, 800.8ms InterpolantComputationTime, 209 NumberOfCodeBlocks, 209 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...