/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/podwr001_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-0e22065b97d0a1f8b3904e080cebe0f05e88d2b7-0e22065 [2021-06-11 15:53:57,759 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-11 15:53:57,762 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-11 15:53:57,790 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-11 15:53:57,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-11 15:53:57,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-11 15:53:57,793 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-11 15:53:57,795 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-11 15:53:57,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-11 15:53:57,797 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-11 15:53:57,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-11 15:53:57,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-11 15:53:57,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-11 15:53:57,800 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-11 15:53:57,801 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-11 15:53:57,802 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-11 15:53:57,803 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-11 15:53:57,804 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-11 15:53:57,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-11 15:53:57,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-11 15:53:57,808 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-11 15:53:57,809 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-11 15:53:57,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-11 15:53:57,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-11 15:53:57,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-11 15:53:57,815 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-11 15:53:57,816 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-11 15:53:57,816 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-11 15:53:57,817 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-11 15:53:57,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-11 15:53:57,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-11 15:53:57,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-11 15:53:57,818 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-11 15:53:57,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-11 15:53:57,819 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-11 15:53:57,820 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-11 15:53:57,821 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithDisjunctivePredicates.epf [2021-06-11 15:53:57,855 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-11 15:53:57,856 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-11 15:53:57,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-11 15:53:57,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-11 15:53:57,859 INFO L138 SettingsManager]: * Use SBE=true [2021-06-11 15:53:57,859 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-11 15:53:57,860 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-11 15:53:57,860 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-11 15:53:57,860 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-11 15:53:57,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-11 15:53:57,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-11 15:53:57,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:53:57,862 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-11 15:53:57,862 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-11 15:53:57,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-11 15:53:57,863 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES_DISJUNCTIVE [2021-06-11 15:53:57,863 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-06-11 15:53:57,863 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-11 15:53:57,863 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-11 15:53:58,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-11 15:53:58,171 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-11 15:53:58,173 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-11 15:53:58,174 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-11 15:53:58,175 INFO L275 PluginConnector]: CDTParser initialized [2021-06-11 15:53:58,176 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/podwr001_pso.opt.i [2021-06-11 15:53:58,230 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e6b230f/d5dd7a66f75341d1aeff1b8821f8e82e/FLAGb52f4e3ce [2021-06-11 15:53:58,804 INFO L306 CDTParser]: Found 1 translation units. [2021-06-11 15:53:58,805 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/podwr001_pso.opt.i [2021-06-11 15:53:58,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e6b230f/d5dd7a66f75341d1aeff1b8821f8e82e/FLAGb52f4e3ce [2021-06-11 15:53:59,213 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0e6b230f/d5dd7a66f75341d1aeff1b8821f8e82e [2021-06-11 15:53:59,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-11 15:53:59,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-11 15:53:59,222 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-11 15:53:59,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-11 15:53:59,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-11 15:53:59,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12dec750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59, skipping insertion in model container [2021-06-11 15:53:59,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-11 15:53:59,288 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-11 15:53:59,450 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/podwr001_pso.opt.i[950,963] [2021-06-11 15:53:59,590 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:53:59,597 INFO L203 MainTranslator]: Completed pre-run [2021-06-11 15:53:59,611 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/podwr001_pso.opt.i[950,963] [2021-06-11 15:53:59,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-11 15:53:59,760 INFO L208 MainTranslator]: Completed translation [2021-06-11 15:53:59,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59 WrapperNode [2021-06-11 15:53:59,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-11 15:53:59,761 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-11 15:53:59,762 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-11 15:53:59,762 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-11 15:53:59,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,800 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-11 15:53:59,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-11 15:53:59,839 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-11 15:53:59,839 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-11 15:53:59,846 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,863 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,863 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,873 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... [2021-06-11 15:53:59,880 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-11 15:53:59,881 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-11 15:53:59,881 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-11 15:53:59,881 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-11 15:53:59,882 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-11 15:53:59,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-11 15:53:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-11 15:53:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-11 15:53:59,990 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-11 15:53:59,990 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-11 15:53:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-11 15:53:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-11 15:53:59,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-11 15:53:59,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-11 15:53:59,992 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-11 15:54:01,609 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-11 15:54:01,610 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-06-11 15:54:01,612 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:54:01 BoogieIcfgContainer [2021-06-11 15:54:01,612 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-11 15:54:01,613 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-11 15:54:01,613 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-11 15:54:01,616 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-11 15:54:01,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.06 03:53:59" (1/3) ... [2021-06-11 15:54:01,616 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:54:01, skipping insertion in model container [2021-06-11 15:54:01,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.06 03:53:59" (2/3) ... [2021-06-11 15:54:01,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@563bda18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.06 03:54:01, skipping insertion in model container [2021-06-11 15:54:01,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.06 03:54:01" (3/3) ... [2021-06-11 15:54:01,618 INFO L111 eAbstractionObserver]: Analyzing ICFG podwr001_pso.opt.i [2021-06-11 15:54:01,624 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-11 15:54:01,627 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-06-11 15:54:01,627 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-11 15:54:01,659 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,660 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,661 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,662 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,663 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,664 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,665 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,665 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,669 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,669 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,669 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,670 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,671 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,672 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,673 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,673 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,673 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,674 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,675 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,676 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,677 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,678 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,679 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,681 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,682 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,686 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,689 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,690 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,691 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,692 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,694 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,696 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,697 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,698 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,699 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,699 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,700 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,701 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,703 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,704 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~nondet17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,705 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,706 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,707 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,708 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,709 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-11 15:54:01,709 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-11 15:54:01,725 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-06-11 15:54:01,747 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-06-11 15:54:01,747 INFO L377 AbstractCegarLoop]: Hoare is false [2021-06-11 15:54:01,747 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-11 15:54:01,747 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-11 15:54:01,747 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-11 15:54:01,748 INFO L381 AbstractCegarLoop]: Difference is false [2021-06-11 15:54:01,748 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-11 15:54:01,755 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-06-11 15:54:01,767 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-06-11 15:54:01,808 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-06-11 15:54:01,808 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:01,817 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 65 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 15:54:01,817 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-06-11 15:54:01,828 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-06-11 15:54:01,829 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:01,843 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-06-11 15:54:01,848 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-06-11 15:54:01,852 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-06-11 15:54:01,880 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-06-11 15:54:01,880 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:01,881 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 66 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 61. Up to 2 conditions per place. [2021-06-11 15:54:01,885 INFO L151 LiptonReduction]: Number of co-enabled transitions 1694 [2021-06-11 15:54:01,938 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:01,948 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,023 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,036 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,092 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,093 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,107 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,108 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,123 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,124 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,140 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,141 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,163 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,336 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2021-06-11 15:54:02,389 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,410 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 2, 1] term [2021-06-11 15:54:02,411 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:54:02,436 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,443 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,556 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,560 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:02,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,566 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:02,568 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:02,593 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,594 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,612 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,701 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,702 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,720 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,721 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,742 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,744 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,832 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,843 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:02,844 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,845 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:02,846 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:02,870 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,873 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,925 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,926 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,974 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:02,982 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:02,983 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,112 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,113 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,194 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,198 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:03,200 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:03,203 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:03,222 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,223 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,284 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-06-11 15:54:03,285 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,378 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,379 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,398 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,474 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,569 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,591 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,625 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,642 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,645 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,663 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,665 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,687 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,689 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,778 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,781 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:03,784 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:03,785 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:03,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,831 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,833 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,855 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,856 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:03,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:03,946 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:04,107 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-06-11 15:54:04,502 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-06-11 15:54:04,645 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-06-11 15:54:04,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,673 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:04,674 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-06-11 15:54:04,677 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:04,678 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,678 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 3, 2, 1] term [2021-06-11 15:54:04,679 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:54:04,681 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,684 INFO L147 QuantifierPusher]: treesize reduction 37, result has 63.0 percent of original size 63 [2021-06-11 15:54:04,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:04,686 INFO L142 QuantifierPusher]: treesize reduction 37, result has 76.9 percent of original size [2021-06-11 15:54:04,687 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 4, 2, 1] term [2021-06-11 15:54:04,687 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:54:04,688 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,690 INFO L147 QuantifierPusher]: treesize reduction 89, result has 36.0 percent of original size 50 [2021-06-11 15:54:04,691 INFO L427 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 3, 3, 2, 4, 2, 1] term [2021-06-11 15:54:04,691 INFO L725 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-06-11 15:54:04,693 INFO L732 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,698 INFO L147 QuantifierPusher]: treesize reduction 154, result has 42.1 percent of original size 112 [2021-06-11 15:54:04,769 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:04,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,013 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,023 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:05,024 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,024 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:05,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:05,065 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,130 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,162 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,164 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,177 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,179 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,214 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,216 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,255 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,264 INFO L147 QuantifierPusher]: treesize reduction 80, result has 25.2 percent of original size 27 [2021-06-11 15:54:05,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,551 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,635 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:05,638 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,638 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:05,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:05,704 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,709 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,753 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:05,893 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,896 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:05,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:05,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:05,900 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:06,072 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,078 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,081 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,081 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,082 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-11 15:54:06,083 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:06,084 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,084 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,085 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,086 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 15:54:06,087 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-06-11 15:54:06,087 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,088 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,096 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-06-11 15:54:06,099 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 39 [2021-06-11 15:54:06,446 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,449 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:06,450 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:06,450 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:06,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:06,873 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-11 15:54:07,021 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-11 15:54:07,324 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 116 [2021-06-11 15:54:07,497 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-11 15:54:07,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:07,521 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-06-11 15:54:07,522 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:07,523 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:07,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-06-11 15:54:07,537 INFO L163 LiptonReduction]: Checked pairs total: 5074 [2021-06-11 15:54:07,538 INFO L165 LiptonReduction]: Total number of compositions: 91 [2021-06-11 15:54:07,540 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5712 [2021-06-11 15:54:07,547 INFO L129 PetriNetUnfolder]: 0/5 cut-off events. [2021-06-11 15:54:07,547 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:07,548 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:07,548 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-06-11 15:54:07,549 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:07,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:07,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1071531, now seen corresponding path program 1 times [2021-06-11 15:54:07,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:07,560 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116315431] [2021-06-11 15:54:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:07,715 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:07,716 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:07,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:07,726 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116315431] [2021-06-11 15:54:07,726 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:07,727 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-06-11 15:54:07,727 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398729413] [2021-06-11 15:54:07,733 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-11 15:54:07,733 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:07,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-11 15:54:07,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-11 15:54:07,747 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 156 out of 190 [2021-06-11 15:54:07,751 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 28 transitions, 65 flow. Second operand has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:07,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:07,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 156 of 190 [2021-06-11 15:54:07,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:07,822 INFO L129 PetriNetUnfolder]: 49/126 cut-off events. [2021-06-11 15:54:07,822 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:07,823 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 126 events. 49/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 516 event pairs, 38 based on Foata normal form. 35/151 useless extension candidates. Maximal degree in co-relation 212. Up to 65 conditions per place. [2021-06-11 15:54:07,824 INFO L132 encePairwiseOnDemand]: 185/190 looper letters, 9 selfloop transitions, 2 changer transitions 1/29 dead transitions. [2021-06-11 15:54:07,824 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 29 transitions, 89 flow [2021-06-11 15:54:07,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-11 15:54:07,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-06-11 15:54:07,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 484 transitions. [2021-06-11 15:54:07,837 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8491228070175438 [2021-06-11 15:54:07,837 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 484 transitions. [2021-06-11 15:54:07,837 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 484 transitions. [2021-06-11 15:54:07,839 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:07,842 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 484 transitions. [2021-06-11 15:54:07,847 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:07,854 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:07,855 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 190.0) internal successors, (760), 4 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:07,856 INFO L185 Difference]: Start difference. First operand has 37 places, 28 transitions, 65 flow. Second operand 3 states and 484 transitions. [2021-06-11 15:54:07,857 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 29 transitions, 89 flow [2021-06-11 15:54:07,859 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 29 transitions, 86 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-06-11 15:54:07,860 INFO L241 Difference]: Finished difference. Result has 34 places, 24 transitions, 58 flow [2021-06-11 15:54:07,861 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=56, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=58, PETRI_PLACES=34, PETRI_TRANSITIONS=24} [2021-06-11 15:54:07,862 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, -3 predicate places. [2021-06-11 15:54:07,862 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:07,862 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 24 transitions, 58 flow [2021-06-11 15:54:07,863 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 24 transitions, 58 flow [2021-06-11 15:54:07,864 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 33 places, 24 transitions, 58 flow [2021-06-11 15:54:07,868 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-06-11 15:54:07,869 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:07,869 INFO L84 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 24 events. 0/24 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-06-11 15:54:07,870 INFO L151 LiptonReduction]: Number of co-enabled transitions 280 [2021-06-11 15:54:07,877 INFO L163 LiptonReduction]: Checked pairs total: 318 [2021-06-11 15:54:07,877 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:07,877 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 15:54:07,878 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 24 transitions, 58 flow [2021-06-11 15:54:07,879 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 156.66666666666666) internal successors, (470), 3 states have internal predecessors, (470), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:07,879 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:07,879 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:07,879 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-11 15:54:07,879 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:07,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:07,887 INFO L82 PathProgramCache]: Analyzing trace with hash -1986618989, now seen corresponding path program 1 times [2021-06-11 15:54:07,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:07,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682248313] [2021-06-11 15:54:07,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:08,037 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,038 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,043 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:54:08,044 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:08,050 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,051 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:08,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:08,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682248313] [2021-06-11 15:54:08,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:08,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:54:08,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177551794] [2021-06-11 15:54:08,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:54:08,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:08,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:54:08,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:54:08,057 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 190 [2021-06-11 15:54:08,058 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 24 transitions, 58 flow. Second operand has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,058 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:08,058 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 190 [2021-06-11 15:54:08,058 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:08,111 INFO L129 PetriNetUnfolder]: 40/107 cut-off events. [2021-06-11 15:54:08,111 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-06-11 15:54:08,112 INFO L84 FinitePrefix]: Finished finitePrefix Result has 196 conditions, 107 events. 40/107 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 436 event pairs, 12 based on Foata normal form. 8/97 useless extension candidates. Maximal degree in co-relation 187. Up to 45 conditions per place. [2021-06-11 15:54:08,113 INFO L132 encePairwiseOnDemand]: 183/190 looper letters, 5 selfloop transitions, 4 changer transitions 9/35 dead transitions. [2021-06-11 15:54:08,113 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 35 transitions, 116 flow [2021-06-11 15:54:08,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-11 15:54:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-06-11 15:54:08,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 760 transitions. [2021-06-11 15:54:08,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8 [2021-06-11 15:54:08,116 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 760 transitions. [2021-06-11 15:54:08,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 760 transitions. [2021-06-11 15:54:08,117 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:08,117 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 760 transitions. [2021-06-11 15:54:08,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 152.0) internal successors, (760), 5 states have internal predecessors, (760), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,121 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,121 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 190.0) internal successors, (1140), 6 states have internal predecessors, (1140), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,121 INFO L185 Difference]: Start difference. First operand has 33 places, 24 transitions, 58 flow. Second operand 5 states and 760 transitions. [2021-06-11 15:54:08,121 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 35 transitions, 116 flow [2021-06-11 15:54:08,122 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 35 transitions, 112 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-06-11 15:54:08,123 INFO L241 Difference]: Finished difference. Result has 38 places, 26 transitions, 88 flow [2021-06-11 15:54:08,123 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=88, PETRI_PLACES=38, PETRI_TRANSITIONS=26} [2021-06-11 15:54:08,123 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 1 predicate places. [2021-06-11 15:54:08,123 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:08,124 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 26 transitions, 88 flow [2021-06-11 15:54:08,124 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 26 transitions, 88 flow [2021-06-11 15:54:08,124 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 26 transitions, 88 flow [2021-06-11 15:54:08,137 INFO L129 PetriNetUnfolder]: 23/70 cut-off events. [2021-06-11 15:54:08,137 INFO L130 PetriNetUnfolder]: For 29/29 co-relation queries the response was YES. [2021-06-11 15:54:08,137 INFO L84 FinitePrefix]: Finished finitePrefix Result has 163 conditions, 70 events. 23/70 cut-off events. For 29/29 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 242 event pairs, 11 based on Foata normal form. 0/63 useless extension candidates. Maximal degree in co-relation 153. Up to 38 conditions per place. [2021-06-11 15:54:08,139 INFO L151 LiptonReduction]: Number of co-enabled transitions 286 [2021-06-11 15:54:08,142 INFO L163 LiptonReduction]: Checked pairs total: 300 [2021-06-11 15:54:08,142 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:08,143 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 20 [2021-06-11 15:54:08,146 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 88 flow [2021-06-11 15:54:08,147 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 148.75) internal successors, (595), 4 states have internal predecessors, (595), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,147 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:08,147 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:08,147 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-11 15:54:08,147 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:08,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:08,148 INFO L82 PathProgramCache]: Analyzing trace with hash 2060952489, now seen corresponding path program 1 times [2021-06-11 15:54:08,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:08,148 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759942853] [2021-06-11 15:54:08,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:08,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:08,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,287 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:54:08,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:08,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:08,298 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:08,298 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759942853] [2021-06-11 15:54:08,298 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:08,298 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-11 15:54:08,298 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234267783] [2021-06-11 15:54:08,299 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-11 15:54:08,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:08,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-11 15:54:08,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-11 15:54:08,301 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 190 [2021-06-11 15:54:08,302 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 88 flow. Second operand has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,302 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:08,302 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 190 [2021-06-11 15:54:08,302 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:08,351 INFO L129 PetriNetUnfolder]: 16/62 cut-off events. [2021-06-11 15:54:08,351 INFO L130 PetriNetUnfolder]: For 39/48 co-relation queries the response was YES. [2021-06-11 15:54:08,352 INFO L84 FinitePrefix]: Finished finitePrefix Result has 183 conditions, 62 events. 16/62 cut-off events. For 39/48 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 168 event pairs, 2 based on Foata normal form. 12/68 useless extension candidates. Maximal degree in co-relation 171. Up to 35 conditions per place. [2021-06-11 15:54:08,353 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 5 selfloop transitions, 7 changer transitions 7/36 dead transitions. [2021-06-11 15:54:08,353 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 36 transitions, 184 flow [2021-06-11 15:54:08,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-11 15:54:08,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-06-11 15:54:08,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 909 transitions. [2021-06-11 15:54:08,356 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7973684210526316 [2021-06-11 15:54:08,356 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 909 transitions. [2021-06-11 15:54:08,356 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 909 transitions. [2021-06-11 15:54:08,357 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:08,357 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 909 transitions. [2021-06-11 15:54:08,359 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 151.5) internal successors, (909), 6 states have internal predecessors, (909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,361 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,362 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 190.0) internal successors, (1330), 7 states have internal predecessors, (1330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,362 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 88 flow. Second operand 6 states and 909 transitions. [2021-06-11 15:54:08,362 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 36 transitions, 184 flow [2021-06-11 15:54:08,365 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 36 transitions, 178 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 15:54:08,366 INFO L241 Difference]: Finished difference. Result has 41 places, 29 transitions, 138 flow [2021-06-11 15:54:08,366 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=138, PETRI_PLACES=41, PETRI_TRANSITIONS=29} [2021-06-11 15:54:08,367 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 4 predicate places. [2021-06-11 15:54:08,367 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:08,367 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 29 transitions, 138 flow [2021-06-11 15:54:08,368 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 29 transitions, 138 flow [2021-06-11 15:54:08,368 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 29 transitions, 138 flow [2021-06-11 15:54:08,376 INFO L129 PetriNetUnfolder]: 11/50 cut-off events. [2021-06-11 15:54:08,376 INFO L130 PetriNetUnfolder]: For 55/61 co-relation queries the response was YES. [2021-06-11 15:54:08,376 INFO L84 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 50 events. 11/50 cut-off events. For 55/61 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 119 event pairs, 2 based on Foata normal form. 3/47 useless extension candidates. Maximal degree in co-relation 138. Up to 23 conditions per place. [2021-06-11 15:54:08,377 INFO L151 LiptonReduction]: Number of co-enabled transitions 286 [2021-06-11 15:54:08,379 INFO L163 LiptonReduction]: Checked pairs total: 350 [2021-06-11 15:54:08,379 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:08,380 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 15:54:08,381 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 29 transitions, 138 flow [2021-06-11 15:54:08,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 148.8) internal successors, (744), 5 states have internal predecessors, (744), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,382 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:08,382 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:08,382 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-11 15:54:08,383 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:08,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:08,383 INFO L82 PathProgramCache]: Analyzing trace with hash 1843594623, now seen corresponding path program 1 times [2021-06-11 15:54:08,383 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:08,383 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305972976] [2021-06-11 15:54:08,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:08,471 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,472 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,475 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,475 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,478 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,479 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,483 INFO L142 QuantifierPusher]: treesize reduction 11, result has 54.2 percent of original size [2021-06-11 15:54:08,484 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:08,491 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,492 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:08,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:08,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305972976] [2021-06-11 15:54:08,493 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:08,493 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:54:08,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274676204] [2021-06-11 15:54:08,493 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-11 15:54:08,493 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:08,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-11 15:54:08,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-06-11 15:54:08,495 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 148 out of 190 [2021-06-11 15:54:08,496 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 29 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,497 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:08,497 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 148 of 190 [2021-06-11 15:54:08,497 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:08,547 INFO L129 PetriNetUnfolder]: 7/38 cut-off events. [2021-06-11 15:54:08,547 INFO L130 PetriNetUnfolder]: For 74/94 co-relation queries the response was YES. [2021-06-11 15:54:08,547 INFO L84 FinitePrefix]: Finished finitePrefix Result has 140 conditions, 38 events. 7/38 cut-off events. For 74/94 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 14/49 useless extension candidates. Maximal degree in co-relation 125. Up to 20 conditions per place. [2021-06-11 15:54:08,548 INFO L132 encePairwiseOnDemand]: 184/190 looper letters, 2 selfloop transitions, 10 changer transitions 5/33 dead transitions. [2021-06-11 15:54:08,548 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 45 places, 33 transitions, 206 flow [2021-06-11 15:54:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 15:54:08,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 15:54:08,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1054 transitions. [2021-06-11 15:54:08,551 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7924812030075188 [2021-06-11 15:54:08,551 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1054 transitions. [2021-06-11 15:54:08,551 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1054 transitions. [2021-06-11 15:54:08,552 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:08,552 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1054 transitions. [2021-06-11 15:54:08,554 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 150.57142857142858) internal successors, (1054), 7 states have internal predecessors, (1054), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,557 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,558 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 190.0) internal successors, (1520), 8 states have internal predecessors, (1520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,558 INFO L185 Difference]: Start difference. First operand has 39 places, 29 transitions, 138 flow. Second operand 7 states and 1054 transitions. [2021-06-11 15:54:08,558 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 45 places, 33 transitions, 206 flow [2021-06-11 15:54:08,560 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 41 places, 33 transitions, 170 flow, removed 14 selfloop flow, removed 4 redundant places. [2021-06-11 15:54:08,560 INFO L241 Difference]: Finished difference. Result has 44 places, 28 transitions, 138 flow [2021-06-11 15:54:08,561 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=138, PETRI_PLACES=44, PETRI_TRANSITIONS=28} [2021-06-11 15:54:08,561 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 7 predicate places. [2021-06-11 15:54:08,561 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:08,561 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 44 places, 28 transitions, 138 flow [2021-06-11 15:54:08,561 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 44 places, 28 transitions, 138 flow [2021-06-11 15:54:08,562 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 138 flow [2021-06-11 15:54:08,568 INFO L129 PetriNetUnfolder]: 5/31 cut-off events. [2021-06-11 15:54:08,568 INFO L130 PetriNetUnfolder]: For 33/36 co-relation queries the response was YES. [2021-06-11 15:54:08,568 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 31 events. 5/31 cut-off events. For 33/36 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 45 event pairs, 0 based on Foata normal form. 1/30 useless extension candidates. Maximal degree in co-relation 76. Up to 11 conditions per place. [2021-06-11 15:54:08,569 INFO L151 LiptonReduction]: Number of co-enabled transitions 202 [2021-06-11 15:54:08,576 INFO L163 LiptonReduction]: Checked pairs total: 266 [2021-06-11 15:54:08,576 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:08,576 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 15 [2021-06-11 15:54:08,577 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 28 transitions, 138 flow [2021-06-11 15:54:08,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 148.83333333333334) internal successors, (893), 6 states have internal predecessors, (893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,577 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:08,577 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:08,578 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-11 15:54:08,578 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:08,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:08,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1994627424, now seen corresponding path program 1 times [2021-06-11 15:54:08,578 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:08,578 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140887705] [2021-06-11 15:54:08,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:08,654 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:08,655 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,655 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,658 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,658 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:08,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:08,662 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140887705] [2021-06-11 15:54:08,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:08,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:54:08,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436757395] [2021-06-11 15:54:08,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:54:08,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:08,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:54:08,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:54:08,665 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 154 out of 190 [2021-06-11 15:54:08,665 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 28 transitions, 138 flow. Second operand has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,666 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:08,666 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 154 of 190 [2021-06-11 15:54:08,666 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:08,694 INFO L129 PetriNetUnfolder]: 10/49 cut-off events. [2021-06-11 15:54:08,695 INFO L130 PetriNetUnfolder]: For 59/66 co-relation queries the response was YES. [2021-06-11 15:54:08,695 INFO L84 FinitePrefix]: Finished finitePrefix Result has 153 conditions, 49 events. 10/49 cut-off events. For 59/66 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 113 event pairs, 0 based on Foata normal form. 2/45 useless extension candidates. Maximal degree in co-relation 137. Up to 21 conditions per place. [2021-06-11 15:54:08,695 INFO L132 encePairwiseOnDemand]: 187/190 looper letters, 3 selfloop transitions, 1 changer transitions 1/29 dead transitions. [2021-06-11 15:54:08,695 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 29 transitions, 150 flow [2021-06-11 15:54:08,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:54:08,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:54:08,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 622 transitions. [2021-06-11 15:54:08,697 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8184210526315789 [2021-06-11 15:54:08,698 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 622 transitions. [2021-06-11 15:54:08,698 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 622 transitions. [2021-06-11 15:54:08,698 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:08,698 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 622 transitions. [2021-06-11 15:54:08,699 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 155.5) internal successors, (622), 4 states have internal predecessors, (622), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,701 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,701 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 190.0) internal successors, (950), 5 states have internal predecessors, (950), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:08,701 INFO L185 Difference]: Start difference. First operand has 41 places, 28 transitions, 138 flow. Second operand 4 states and 622 transitions. [2021-06-11 15:54:08,701 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 29 transitions, 150 flow [2021-06-11 15:54:08,705 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 112 flow, removed 12 selfloop flow, removed 6 redundant places. [2021-06-11 15:54:08,706 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 107 flow [2021-06-11 15:54:08,707 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=190, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=107, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-06-11 15:54:08,707 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 3 predicate places. [2021-06-11 15:54:08,707 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:08,707 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 107 flow [2021-06-11 15:54:08,707 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 107 flow [2021-06-11 15:54:08,708 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 28 transitions, 107 flow [2021-06-11 15:54:08,712 INFO L129 PetriNetUnfolder]: 6/37 cut-off events. [2021-06-11 15:54:08,712 INFO L130 PetriNetUnfolder]: For 17/18 co-relation queries the response was YES. [2021-06-11 15:54:08,713 INFO L84 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 37 events. 6/37 cut-off events. For 17/18 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 70 event pairs, 0 based on Foata normal form. 1/34 useless extension candidates. Maximal degree in co-relation 76. Up to 10 conditions per place. [2021-06-11 15:54:08,713 INFO L151 LiptonReduction]: Number of co-enabled transitions 190 [2021-06-11 15:54:08,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:08,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:09,075 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-11 15:54:09,237 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-06-11 15:54:09,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:09,245 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-11 15:54:09,256 INFO L163 LiptonReduction]: Checked pairs total: 381 [2021-06-11 15:54:09,256 INFO L165 LiptonReduction]: Total number of compositions: 2 [2021-06-11 15:54:09,256 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 549 [2021-06-11 15:54:09,257 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 26 transitions, 103 flow [2021-06-11 15:54:09,257 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 155.0) internal successors, (620), 4 states have internal predecessors, (620), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,257 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:09,257 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:09,257 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-11 15:54:09,257 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:09,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:09,258 INFO L82 PathProgramCache]: Analyzing trace with hash 958283574, now seen corresponding path program 2 times [2021-06-11 15:54:09,258 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:09,258 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135412932] [2021-06-11 15:54:09,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:09,348 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:09,348 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-11 15:54:09,349 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:09,349 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:09,352 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 15:54:09,352 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:09,359 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135412932] [2021-06-11 15:54:09,359 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:09,359 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-11 15:54:09,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837992419] [2021-06-11 15:54:09,359 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-11 15:54:09,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:09,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-11 15:54:09,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-11 15:54:09,361 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 149 out of 192 [2021-06-11 15:54:09,362 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 26 transitions, 103 flow. Second operand has 4 states, 4 states have (on average 150.5) internal successors, (602), 4 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,362 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:09,362 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 149 of 192 [2021-06-11 15:54:09,362 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:09,414 INFO L129 PetriNetUnfolder]: 17/76 cut-off events. [2021-06-11 15:54:09,414 INFO L130 PetriNetUnfolder]: For 58/62 co-relation queries the response was YES. [2021-06-11 15:54:09,414 INFO L84 FinitePrefix]: Finished finitePrefix Result has 192 conditions, 76 events. 17/76 cut-off events. For 58/62 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 265 event pairs, 0 based on Foata normal form. 2/73 useless extension candidates. Maximal degree in co-relation 181. Up to 21 conditions per place. [2021-06-11 15:54:09,415 INFO L132 encePairwiseOnDemand]: 188/192 looper letters, 6 selfloop transitions, 3 changer transitions 0/29 dead transitions. [2021-06-11 15:54:09,415 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 29 transitions, 132 flow [2021-06-11 15:54:09,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-11 15:54:09,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-06-11 15:54:09,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 606 transitions. [2021-06-11 15:54:09,417 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7890625 [2021-06-11 15:54:09,417 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 606 transitions. [2021-06-11 15:54:09,417 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 606 transitions. [2021-06-11 15:54:09,417 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:09,418 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 606 transitions. [2021-06-11 15:54:09,419 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 151.5) internal successors, (606), 4 states have internal predecessors, (606), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,420 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,420 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 192.0) internal successors, (960), 5 states have internal predecessors, (960), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,420 INFO L185 Difference]: Start difference. First operand has 37 places, 26 transitions, 103 flow. Second operand 4 states and 606 transitions. [2021-06-11 15:54:09,421 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 29 transitions, 132 flow [2021-06-11 15:54:09,421 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 29 transitions, 128 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-06-11 15:54:09,422 INFO L241 Difference]: Finished difference. Result has 40 places, 28 transitions, 123 flow [2021-06-11 15:54:09,422 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=123, PETRI_PLACES=40, PETRI_TRANSITIONS=28} [2021-06-11 15:54:09,422 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 3 predicate places. [2021-06-11 15:54:09,423 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:09,423 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 28 transitions, 123 flow [2021-06-11 15:54:09,423 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 28 transitions, 123 flow [2021-06-11 15:54:09,423 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 28 transitions, 123 flow [2021-06-11 15:54:09,432 INFO L129 PetriNetUnfolder]: 15/70 cut-off events. [2021-06-11 15:54:09,432 INFO L130 PetriNetUnfolder]: For 51/53 co-relation queries the response was YES. [2021-06-11 15:54:09,432 INFO L84 FinitePrefix]: Finished finitePrefix Result has 181 conditions, 70 events. 15/70 cut-off events. For 51/53 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 249 event pairs, 0 based on Foata normal form. 1/64 useless extension candidates. Maximal degree in co-relation 168. Up to 21 conditions per place. [2021-06-11 15:54:09,433 INFO L151 LiptonReduction]: Number of co-enabled transitions 182 [2021-06-11 15:54:09,436 INFO L163 LiptonReduction]: Checked pairs total: 130 [2021-06-11 15:54:09,436 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:09,436 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 13 [2021-06-11 15:54:09,437 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 123 flow [2021-06-11 15:54:09,437 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 150.5) internal successors, (602), 4 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,437 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:09,437 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:09,437 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-11 15:54:09,437 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:09,438 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:09,438 INFO L82 PathProgramCache]: Analyzing trace with hash 123668400, now seen corresponding path program 1 times [2021-06-11 15:54:09,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:09,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1320124073] [2021-06-11 15:54:09,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-11 15:54:09,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:09,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-11 15:54:09,611 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-06-11 15:54:09,612 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-06-11 15:54:09,623 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-11 15:54:09,624 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-06-11 15:54:09,637 INFO L142 QuantifierPusher]: treesize reduction 26, result has 54.4 percent of original size [2021-06-11 15:54:09,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-06-11 15:54:09,658 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-06-11 15:54:09,659 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-11 15:54:09,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-11 15:54:09,668 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1320124073] [2021-06-11 15:54:09,668 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-11 15:54:09,668 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-06-11 15:54:09,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803407513] [2021-06-11 15:54:09,669 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-11 15:54:09,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-11 15:54:09,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-11 15:54:09,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-06-11 15:54:09,670 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 125 out of 192 [2021-06-11 15:54:09,671 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 123 flow. Second operand has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,671 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-06-11 15:54:09,671 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 125 of 192 [2021-06-11 15:54:09,671 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-06-11 15:54:09,848 INFO L129 PetriNetUnfolder]: 100/280 cut-off events. [2021-06-11 15:54:09,848 INFO L130 PetriNetUnfolder]: For 263/273 co-relation queries the response was YES. [2021-06-11 15:54:09,849 INFO L84 FinitePrefix]: Finished finitePrefix Result has 780 conditions, 280 events. 100/280 cut-off events. For 263/273 co-relation queries the response was YES. Maximal size of possible extension queue 39. Compared 1617 event pairs, 15 based on Foata normal form. 2/270 useless extension candidates. Maximal degree in co-relation 765. Up to 89 conditions per place. [2021-06-11 15:54:09,851 INFO L132 encePairwiseOnDemand]: 185/192 looper letters, 8 selfloop transitions, 4 changer transitions 19/47 dead transitions. [2021-06-11 15:54:09,851 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 47 transitions, 267 flow [2021-06-11 15:54:09,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-11 15:54:09,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-06-11 15:54:09,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 900 transitions. [2021-06-11 15:54:09,854 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6696428571428571 [2021-06-11 15:54:09,854 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 900 transitions. [2021-06-11 15:54:09,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 900 transitions. [2021-06-11 15:54:09,855 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-06-11 15:54:09,855 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 900 transitions. [2021-06-11 15:54:09,856 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 128.57142857142858) internal successors, (900), 7 states have internal predecessors, (900), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,859 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,859 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 192.0) internal successors, (1536), 8 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,860 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 123 flow. Second operand 7 states and 900 transitions. [2021-06-11 15:54:09,860 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 47 transitions, 267 flow [2021-06-11 15:54:09,863 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 47 transitions, 266 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-06-11 15:54:09,864 INFO L241 Difference]: Finished difference. Result has 49 places, 27 transitions, 145 flow [2021-06-11 15:54:09,864 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=192, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=145, PETRI_PLACES=49, PETRI_TRANSITIONS=27} [2021-06-11 15:54:09,864 INFO L343 CegarLoopForPetriNet]: 37 programPoint places, 12 predicate places. [2021-06-11 15:54:09,864 INFO L173 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-06-11 15:54:09,864 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 49 places, 27 transitions, 145 flow [2021-06-11 15:54:09,864 INFO L138 LiptonReduction]: Starting Lipton reduction on Petri net that has 49 places, 27 transitions, 145 flow [2021-06-11 15:54:09,865 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 45 places, 27 transitions, 145 flow [2021-06-11 15:54:09,879 INFO L129 PetriNetUnfolder]: 25/96 cut-off events. [2021-06-11 15:54:09,880 INFO L130 PetriNetUnfolder]: For 132/132 co-relation queries the response was YES. [2021-06-11 15:54:09,880 INFO L84 FinitePrefix]: Finished finitePrefix Result has 297 conditions, 96 events. 25/96 cut-off events. For 132/132 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 381 event pairs, 5 based on Foata normal form. 0/89 useless extension candidates. Maximal degree in co-relation 279. Up to 27 conditions per place. [2021-06-11 15:54:09,881 INFO L151 LiptonReduction]: Number of co-enabled transitions 96 [2021-06-11 15:54:09,967 INFO L163 LiptonReduction]: Checked pairs total: 36 [2021-06-11 15:54:09,967 INFO L165 LiptonReduction]: Total number of compositions: 0 [2021-06-11 15:54:09,967 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 103 [2021-06-11 15:54:09,968 INFO L480 AbstractCegarLoop]: Abstraction has has 45 places, 27 transitions, 145 flow [2021-06-11 15:54:09,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 126.28571428571429) internal successors, (884), 7 states have internal predecessors, (884), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-11 15:54:09,968 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-06-11 15:54:09,968 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-11 15:54:09,968 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-11 15:54:09,968 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-11 15:54:09,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-11 15:54:09,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1084055852, now seen corresponding path program 2 times [2021-06-11 15:54:09,969 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-11 15:54:09,969 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884306325] [2021-06-11 15:54:09,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-11 15:54:10,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:54:10,042 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:54:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-11 15:54:10,103 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-11 15:54:10,145 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-11 15:54:10,145 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-06-11 15:54:10,145 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-11 15:54:10,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.06 03:54:10 BasicIcfg [2021-06-11 15:54:10,247 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-11 15:54:10,248 INFO L168 Benchmark]: Toolchain (without parser) took 11029.46 ms. Allocated memory was 356.5 MB in the beginning and 625.0 MB in the end (delta: 268.4 MB). Free memory was 318.7 MB in the beginning and 462.1 MB in the end (delta: -143.4 MB). Peak memory consumption was 126.7 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,248 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 356.5 MB. Free memory is still 337.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-11 15:54:10,248 INFO L168 Benchmark]: CACSL2BoogieTranslator took 538.88 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 315.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 356.5 MB. Free memory was 314.2 MB in the beginning and 312.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,248 INFO L168 Benchmark]: Boogie Preprocessor took 42.07 ms. Allocated memory is still 356.5 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,249 INFO L168 Benchmark]: RCFGBuilder took 1730.81 ms. Allocated memory is still 356.5 MB. Free memory was 310.0 MB in the beginning and 240.9 MB in the end (delta: 69.1 MB). Peak memory consumption was 141.5 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,249 INFO L168 Benchmark]: TraceAbstraction took 8633.87 ms. Allocated memory was 356.5 MB in the beginning and 625.0 MB in the end (delta: 268.4 MB). Free memory was 239.8 MB in the beginning and 462.1 MB in the end (delta: -222.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.0 GB. [2021-06-11 15:54:10,250 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 356.5 MB. Free memory is still 337.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 538.88 ms. Allocated memory is still 356.5 MB. Free memory was 318.5 MB in the beginning and 315.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 76.33 ms. Allocated memory is still 356.5 MB. Free memory was 314.2 MB in the beginning and 312.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 42.07 ms. Allocated memory is still 356.5 MB. Free memory was 312.1 MB in the beginning and 310.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 1730.81 ms. Allocated memory is still 356.5 MB. Free memory was 310.0 MB in the beginning and 240.9 MB in the end (delta: 69.1 MB). Peak memory consumption was 141.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 8633.87 ms. Allocated memory was 356.5 MB in the beginning and 625.0 MB in the end (delta: 268.4 MB). Free memory was 239.8 MB in the beginning and 462.1 MB in the end (delta: -222.3 MB). Peak memory consumption was 47.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5689.7ms, 104 PlacesBefore, 37 PlacesAfterwards, 96 TransitionsBefore, 28 TransitionsAfterwards, 1694 CoEnabledTransitionPairs, 8 FixpointIterations, 37 TrivialSequentialCompositions, 50 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 3 ConcurrentYvCompositions, 1 ChoiceCompositions, 91 TotalNumberOfCompositions, 5074 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1888, positive: 1721, positive conditional: 1721, positive unconditional: 0, negative: 167, negative conditional: 167, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1888, positive: 1721, positive conditional: 0, positive unconditional: 1721, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1888, positive: 1721, positive conditional: 0, positive unconditional: 1721, negative: 167, negative conditional: 0, negative unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1162, positive: 1117, positive conditional: 0, positive unconditional: 1117, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1162, positive: 1101, positive conditional: 0, positive unconditional: 1101, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 61, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 673, positive: 49, positive conditional: 0, positive unconditional: 49, negative: 624, negative conditional: 0, negative unconditional: 624, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1888, positive: 604, positive conditional: 0, positive unconditional: 604, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 1162, unknown conditional: 0, unknown unconditional: 1162] , Statistics on independence cache: Total cache size (in pairs): 1162, Positive cache size: 1117, Positive conditional cache size: 0, Positive unconditional cache size: 1117, Negative cache size: 45, Negative conditional cache size: 0, Negative unconditional cache size: 45, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.7ms, 34 PlacesBefore, 33 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 280 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 318 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 75, positive: 53, positive conditional: 53, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 75, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.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] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.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.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: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75, positive: 53, positive conditional: 0, positive unconditional: 53, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1163, Positive cache size: 1117, Positive conditional cache size: 0, Positive unconditional cache size: 1117, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.6ms, 38 PlacesBefore, 35 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 300 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 45, positive: 27, positive conditional: 5, positive unconditional: 22, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 45, positive: 27, positive conditional: 5, positive unconditional: 22, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 2, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.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: 45, positive: 24, positive conditional: 3, positive unconditional: 21, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 2, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 1166, Positive cache size: 1120, Positive conditional cache size: 2, Positive unconditional cache size: 1118, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.0ms, 41 PlacesBefore, 39 PlacesAfterwards, 29 TransitionsBefore, 29 TransitionsAfterwards, 286 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 350 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 47, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 47, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 47, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 47, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1168, Positive cache size: 1122, Positive conditional cache size: 2, Positive unconditional cache size: 1120, Negative cache size: 46, Negative conditional cache size: 0, Negative unconditional cache size: 46, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 14.3ms, 44 PlacesBefore, 41 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 202 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 266 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 79, positive: 58, positive conditional: 58, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 79, positive: 58, positive conditional: 30, positive unconditional: 28, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 58, positive conditional: 30, positive unconditional: 28, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 16, positive: 14, positive conditional: 9, positive unconditional: 5, 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: 16, positive: 14, positive conditional: 0, positive unconditional: 14, 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: 4, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 79, positive: 44, positive conditional: 21, positive unconditional: 23, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 16, unknown conditional: 9, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 1184, Positive cache size: 1136, Positive conditional cache size: 11, Positive unconditional cache size: 1125, Negative cache size: 48, Negative conditional cache size: 0, Negative unconditional cache size: 48, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 548.5ms, 40 PlacesBefore, 37 PlacesAfterwards, 28 TransitionsBefore, 26 TransitionsAfterwards, 190 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 381 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, positive: 97, positive conditional: 97, positive unconditional: 0, negative: 32, negative conditional: 32, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, positive: 97, positive conditional: 69, positive unconditional: 28, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, positive: 97, positive conditional: 69, positive unconditional: 28, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 22, positive: 20, positive conditional: 8, positive unconditional: 12, 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: 22, positive: 20, positive conditional: 0, positive unconditional: 20, 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: 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: 129, positive: 77, positive conditional: 61, positive unconditional: 16, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 22, unknown conditional: 8, unknown unconditional: 14] , Statistics on independence cache: Total cache size (in pairs): 1206, Positive cache size: 1156, Positive conditional cache size: 19, Positive unconditional cache size: 1137, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 12.9ms, 40 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 28 TransitionsAfterwards, 182 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 10, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 27, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 27, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 27, positive: 17, positive conditional: 17, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1206, Positive cache size: 1156, Positive conditional cache size: 19, Positive unconditional cache size: 1137, Negative cache size: 50, Negative conditional cache size: 0, Negative unconditional cache size: 50, Eliminated conditions: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 102.5ms, 49 PlacesBefore, 45 PlacesAfterwards, 27 TransitionsBefore, 27 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 36 MoverChecksTotal, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 3, negative conditional: 3, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 15, positive conditional: 9, positive unconditional: 6, negative: 6, negative conditional: 3, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 3, positive conditional: 1, positive unconditional: 2, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 1, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 63, positive conditional: 63, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 12, positive conditional: 8, positive unconditional: 4, negative: 5, negative conditional: 2, negative unconditional: 3, unknown: 4, unknown conditional: 2, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 1210, Positive cache size: 1159, Positive conditional cache size: 20, Positive unconditional cache size: 1139, Negative cache size: 51, Negative conditional cache size: 1, Negative unconditional cache size: 50, Eliminated conditions: 3 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L709] 0 int __unbuffered_cnt = 0; [L711] 0 int __unbuffered_p0_EAX = 0; [L713] 0 int __unbuffered_p1_EAX = 0; [L715] 0 int __unbuffered_p2_EAX = 0; [L716] 0 _Bool main$tmp_guard0; [L717] 0 _Bool main$tmp_guard1; [L719] 0 int x = 0; [L721] 0 int y = 0; [L723] 0 int z = 0; [L724] 0 _Bool z$flush_delayed; [L725] 0 int z$mem_tmp; [L726] 0 _Bool z$r_buff0_thd0; [L727] 0 _Bool z$r_buff0_thd1; [L728] 0 _Bool z$r_buff0_thd2; [L729] 0 _Bool z$r_buff0_thd3; [L730] 0 _Bool z$r_buff1_thd0; [L731] 0 _Bool z$r_buff1_thd1; [L732] 0 _Bool z$r_buff1_thd2; [L733] 0 _Bool z$r_buff1_thd3; [L734] 0 _Bool z$read_delayed; [L735] 0 int *z$read_delayed_var; [L736] 0 int z$w_buff0; [L737] 0 _Bool z$w_buff0_used; [L738] 0 int z$w_buff1; [L739] 0 _Bool z$w_buff1_used; [L740] 0 _Bool weak$$choice0; [L741] 0 _Bool weak$$choice2; [L835] 0 pthread_t t1570; [L836] FCALL, FORK 0 pthread_create(&t1570, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L745] 1 z$w_buff1 = z$w_buff0 [L746] 1 z$w_buff0 = 1 [L747] 1 z$w_buff1_used = z$w_buff0_used [L748] 1 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L750] 1 z$r_buff1_thd0 = z$r_buff0_thd0 [L751] 1 z$r_buff1_thd1 = z$r_buff0_thd1 [L752] 1 z$r_buff1_thd2 = z$r_buff0_thd2 [L753] 1 z$r_buff1_thd3 = z$r_buff0_thd3 [L754] 1 z$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, main$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=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L757] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=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=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L837] 0 pthread_t t1571; [L838] FCALL, FORK 0 pthread_create(&t1571, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, 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=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 x = 1 [L777] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L839] 0 pthread_t t1572; [L840] FCALL, FORK 0 pthread_create(&t1572, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L794] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L797] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L798] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L799] 3 z$flush_delayed = weak$$choice2 [L800] 3 z$mem_tmp = z [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L801] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L802] EXPR 3 weak$$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$w_buff0)) [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L802] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L802] 3 z$w_buff0 = weak$$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)) [L803] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L803] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L803] EXPR 3 weak$$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$w_buff1)) [L803] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L804] EXPR 3 weak$$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)) [L804] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L804] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L804] 3 z$w_buff0_used = weak$$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)) [L805] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L805] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L805] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L806] EXPR 3 weak$$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)) [L806] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L806] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L806] 3 z$r_buff0_thd3 = weak$$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)) [L807] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L807] EXPR 3 weak$$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$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L807] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L808] 3 __unbuffered_p2_EAX = z [L809] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L809] 3 z = z$flush_delayed ? z$mem_tmp : z [L810] 3 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] EXPR 2 z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z [L780] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L780] 2 z = z$w_buff0_used && z$r_buff0_thd2 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd2 ? z$w_buff1 : z) [L781] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L781] 2 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$w_buff0_used [L782] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L782] 2 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$w_buff1_used [L783] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L783] 2 z$r_buff0_thd2 = z$w_buff0_used && z$r_buff0_thd2 ? (_Bool)0 : z$r_buff0_thd2 [L784] EXPR 2 z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L784] 2 z$r_buff1_thd2 = z$w_buff0_used && z$r_buff0_thd2 || z$w_buff1_used && z$r_buff1_thd2 ? (_Bool)0 : z$r_buff1_thd2 [L813] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L813] EXPR 3 z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z [L813] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L813] 3 z = z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd3 ? z$w_buff1 : z) [L814] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L814] 3 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used [L815] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L815] 3 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$w_buff1_used [L816] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L816] 3 z$r_buff0_thd3 = z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3 [L817] EXPR 3 z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L817] 3 z$r_buff1_thd3 = z$w_buff0_used && z$r_buff0_thd3 || z$w_buff1_used && z$r_buff1_thd3 ? (_Bool)0 : z$r_buff1_thd3 [L760] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L760] 1 z = z$w_buff0_used && z$r_buff0_thd1 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd1 ? z$w_buff1 : z) [L761] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L761] 1 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$w_buff0_used [L762] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L762] 1 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$w_buff1_used [L763] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L763] 1 z$r_buff0_thd1 = z$w_buff0_used && z$r_buff0_thd1 ? (_Bool)0 : z$r_buff0_thd1 [L764] EXPR 1 z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L764] 1 z$r_buff1_thd1 = z$w_buff0_used && z$r_buff0_thd1 || z$w_buff1_used && z$r_buff1_thd1 ? (_Bool)0 : z$r_buff1_thd1 [L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L769] 1 return 0; [L787] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L789] 2 return 0; [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L842] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L3] COND FALSE 0 !(!cond) [L846] 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) [L846] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L846] 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) [L846] 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) [L847] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L847] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L848] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L848] 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 [L849] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L849] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L850] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L850] 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 [L853] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=1, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.3ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 8401.5ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 625.4ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5789.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 34 SDtfs, 25 SDslu, 25 SDs, 0 SdLazy, 172 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 205.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 157.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=145occurred in iteration=7, InterpolantAutomatonStates: 36, 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: 35.1ms SsaConstructionTime, 420.5ms SatisfiabilityAnalysisTime, 528.8ms InterpolantComputationTime, 122 NumberOfCodeBlocks, 122 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...