/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi007_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:12:49,616 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:12:49,619 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:12:49,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:12:49,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:12:49,673 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:12:49,677 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:12:49,684 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:12:49,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:12:49,693 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:12:49,694 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:12:49,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:12:49,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:12:49,699 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:12:49,701 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:12:49,704 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:12:49,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:12:49,708 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:12:49,716 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:12:49,723 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:12:49,726 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:12:49,728 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:12:49,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:12:49,732 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:12:49,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-28 23:12:49,749 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:12:49,752 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:12:49,753 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:12:49,754 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:12:49,755 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:12:49,756 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:12:49,757 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:12:49,757 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:12:49,757 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:12:49,758 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:12:49,759 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:12:49,760 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-28 23:12:49,817 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:12:49,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:12:49,822 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:12:49,822 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:12:49,822 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:12:49,822 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:12:49,823 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:12:49,823 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:12:49,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:12:49,824 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:12:49,825 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:12:49,825 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:12:49,825 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:12:49,826 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:12:49,826 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:12:49,826 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:12:49,826 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:12:49,827 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:12:49,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:12:49,827 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:12:49,827 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:12:49,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:12:49,828 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:12:49,828 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:12:49,828 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:12:49,829 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:12:49,829 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:12:49,829 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:12:49,829 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:12:49,830 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:12:49,830 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:12:50,259 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:12:50,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:12:50,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:12:50,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:12:50,300 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:12:50,301 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_tso.oepc.i [2021-04-28 23:12:50,398 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfb8c65f/e93b8b7f22b04bd6bf37e7f47ee15573/FLAG6dd0bc4aa [2021-04-28 23:12:51,192 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:12:51,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_tso.oepc.i [2021-04-28 23:12:51,220 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfb8c65f/e93b8b7f22b04bd6bf37e7f47ee15573/FLAG6dd0bc4aa [2021-04-28 23:12:51,430 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8cfb8c65f/e93b8b7f22b04bd6bf37e7f47ee15573 [2021-04-28 23:12:51,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:12:51,490 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:12:51,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:51,496 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:12:51,501 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:12:51,502 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:51" (1/1) ... [2021-04-28 23:12:51,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@600b3493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:51, skipping insertion in model container [2021-04-28 23:12:51,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:51" (1/1) ... [2021-04-28 23:12:51,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:12:51,596 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:12:51,859 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/rfi007_tso.oepc.i[949,962] [2021-04-28 23:12:52,109 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:52,119 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:12:52,134 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/rfi007_tso.oepc.i[949,962] [2021-04-28 23:12:52,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:52,307 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:12:52,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52 WrapperNode [2021-04-28 23:12:52,308 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:52,309 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:52,309 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:12:52,309 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:12:52,317 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,380 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:52,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:12:52,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:12:52,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:12:52,391 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,392 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,397 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,414 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,423 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,431 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... [2021-04-28 23:12:52,447 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:12:52,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:12:52,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:12:52,448 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:12:52,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:12:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:12:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:12:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:12:52,558 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:12:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:12:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:12:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:12:52,559 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:12:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:12:52,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:12:52,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:12:52,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:12:52,562 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-28 23:12:55,447 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:12:55,447 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:12:55,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:55 BoogieIcfgContainer [2021-04-28 23:12:55,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:12:55,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:12:55,452 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:12:55,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:12:55,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:12:51" (1/3) ... [2021-04-28 23:12:55,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7908c9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:55, skipping insertion in model container [2021-04-28 23:12:55,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:52" (2/3) ... [2021-04-28 23:12:55,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7908c9a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:55, skipping insertion in model container [2021-04-28 23:12:55,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:55" (3/3) ... [2021-04-28 23:12:55,458 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_tso.oepc.i [2021-04-28 23:12:55,466 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:12:55,471 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:12:55,472 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:12:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,512 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,513 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,514 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,515 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,516 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,518 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,518 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,519 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,520 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,520 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,520 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,521 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,521 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,522 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,523 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,526 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,527 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,529 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,530 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,531 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,532 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,533 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,534 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,537 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,538 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,539 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,540 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,542 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,543 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,544 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,544 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,544 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,546 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,547 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,548 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,549 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,550 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,551 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,552 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:55,553 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:12:55,576 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 23:12:55,602 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:12:55,602 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:12:55,603 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:12:55,603 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:12:55,603 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:12:55,603 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:12:55,603 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:12:55,603 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:12:55,616 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:55,657 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:55,658 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:55,661 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 51 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:12:55,662 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:55,667 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:55,669 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:55,685 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:55,689 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:55,691 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:55,712 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:55,712 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:55,712 INFO L84 FinitePrefix]: Finished finitePrefix Result has 87 conditions, 80 events. 2/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 56 event pairs, 0 based on Foata normal form. 0/76 useless extension candidates. Maximal degree in co-relation 47. Up to 2 conditions per place. [2021-04-28 23:12:55,716 INFO L146 LiptonReduction]: Number of co-enabled transitions 982 [2021-04-28 23:12:59,339 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:13:00,312 WARN L205 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 183 [2021-04-28 23:13:02,606 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:13:03,682 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:13:03,980 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:13:04,093 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:13:04,712 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 90 [2021-04-28 23:13:04,973 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-04-28 23:13:07,941 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:13:08,493 WARN L205 SmtUtils]: Spent 548.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:13:11,152 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 310 DAG size of output: 265 [2021-04-28 23:13:12,366 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 262 [2021-04-28 23:13:13,685 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 230 DAG size of output: 189 [2021-04-28 23:13:14,301 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:13:17,229 WARN L205 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 314 DAG size of output: 270 [2021-04-28 23:13:18,436 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 267 [2021-04-28 23:13:19,731 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:13:20,928 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 186 DAG size of output: 185 [2021-04-28 23:13:23,744 WARN L205 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:13:24,967 WARN L205 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:13:27,941 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:13:29,183 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 187 DAG size of output: 186 [2021-04-28 23:13:32,133 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:13:33,440 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:13:34,967 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:13:36,404 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 184 DAG size of output: 183 [2021-04-28 23:13:39,378 WARN L205 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:13:40,769 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:13:42,413 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:13:43,121 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:13:46,422 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 312 DAG size of output: 267 [2021-04-28 23:13:47,910 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 264 [2021-04-28 23:13:50,781 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 229 DAG size of output: 188 [2021-04-28 23:13:51,646 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:13:55,406 WARN L205 SmtUtils]: Spent 3.76 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:13:57,139 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:13:58,417 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:13:58,706 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:13:58,983 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:13:59,252 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:13:59,530 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 23:13:59,806 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-28 23:14:00,111 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:14:00,426 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-28 23:14:00,690 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:00,949 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:03,233 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-04-28 23:14:04,159 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-04-28 23:14:08,196 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-04-28 23:14:10,053 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 265 [2021-04-28 23:14:12,299 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 229 DAG size of output: 189 [2021-04-28 23:14:13,275 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2021-04-28 23:14:17,547 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 313 DAG size of output: 269 [2021-04-28 23:14:19,522 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 266 [2021-04-28 23:14:21,808 WARN L205 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 226 DAG size of output: 186 [2021-04-28 23:14:22,789 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2021-04-28 23:14:27,200 WARN L205 SmtUtils]: Spent 4.41 s on a formula simplification. DAG size of input: 310 DAG size of output: 266 [2021-04-28 23:14:29,358 WARN L205 SmtUtils]: Spent 2.16 s on a formula simplification that was a NOOP. DAG size: 263 [2021-04-28 23:14:30,493 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:14:30,598 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:14:30,828 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:14:30,939 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:14:31,227 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:14:31,353 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:14:31,660 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:14:31,789 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-04-28 23:14:31,990 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:32,274 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:32,644 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:14:32,772 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:14:33,036 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:14:33,160 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:14:33,914 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:14:34,052 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:14:34,188 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:14:34,324 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2021-04-28 23:14:36,177 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:14:36,327 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:14:36,476 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:14:36,626 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2021-04-28 23:14:37,428 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:14:37,545 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:14:37,802 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-28 23:14:37,912 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2021-04-28 23:14:38,139 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:38,447 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:14:38,826 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:14:38,968 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:14:39,297 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:14:39,445 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2021-04-28 23:14:39,724 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:14:39,847 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:14:40,110 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:14:40,222 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2021-04-28 23:14:40,564 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:14:40,734 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:14:41,075 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:14:41,227 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2021-04-28 23:14:41,469 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:41,672 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:41,874 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:42,060 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:42,348 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:42,637 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:42,947 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:43,266 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:43,494 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:14:43,729 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:14:43,974 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:14:44,225 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2021-04-28 23:14:44,418 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:14:44,611 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:14:44,821 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:14:45,031 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-04-28 23:14:45,335 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:45,651 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:45,934 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:46,221 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:46,481 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:14:46,746 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:14:47,053 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:14:47,337 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:14:47,560 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:14:47,779 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:14:48,003 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:14:48,222 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-28 23:14:48,408 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:48,597 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:48,810 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:49,014 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 64 [2021-04-28 23:14:49,287 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:14:49,550 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:14:49,810 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:14:50,065 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:14:50,260 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:14:50,432 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:14:50,606 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:14:50,782 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2021-04-28 23:14:51,098 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:51,385 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:51,657 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:51,924 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:52,217 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:14:52,522 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:14:52,826 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:14:53,126 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:14:54,057 WARN L205 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:14:54,490 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:14:55,448 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:14:55,865 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:14:56,181 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:56,472 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:56,805 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:57,149 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:14:57,379 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:14:57,632 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:14:57,870 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:14:58,107 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 72 [2021-04-28 23:14:58,425 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:58,737 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:59,045 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:59,351 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:14:59,644 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:14:59,934 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:15:00,220 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:15:00,510 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:15:00,683 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:15:00,855 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:15:01,029 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:15:01,211 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-04-28 23:15:01,420 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:15:01,639 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:15:01,869 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:15:02,083 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2021-04-28 23:15:02,307 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:15:02,532 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:15:02,757 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:15:02,977 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-04-28 23:15:03,156 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:15:03,333 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:15:03,515 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:15:03,708 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-04-28 23:15:04,531 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:15:04,947 WARN L205 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:15:05,797 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:15:06,218 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:15:06,271 INFO L158 LiptonReduction]: Checked pairs total: 8900 [2021-04-28 23:15:06,271 INFO L160 LiptonReduction]: Total number of compositions: 185 [2021-04-28 23:15:06,276 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 130608 [2021-04-28 23:15:06,296 INFO L129 PetriNetUnfolder]: 0/57 cut-off events. [2021-04-28 23:15:06,296 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:06,297 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:06,298 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-04-28 23:15:06,298 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:06,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:06,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1289554712, now seen corresponding path program 1 times [2021-04-28 23:15:06,314 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:06,314 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779873412] [2021-04-28 23:15:06,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:15:06,558 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:06,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:15:06,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:15:06,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779873412] [2021-04-28 23:15:06,574 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:15:06,574 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:15:06,575 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367179051] [2021-04-28 23:15:06,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:15:06,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:15:06,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:15:06,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:15:06,604 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 200 out of 267 [2021-04-28 23:15:06,609 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 109 places, 104 transitions, 214 flow. Second operand has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 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) [2021-04-28 23:15:06,609 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:15:06,610 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 200 of 267 [2021-04-28 23:15:06,611 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:15:07,159 INFO L129 PetriNetUnfolder]: 163/520 cut-off events. [2021-04-28 23:15:07,160 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:07,162 INFO L84 FinitePrefix]: Finished finitePrefix Result has 836 conditions, 520 events. 163/520 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 83. Compared 3834 event pairs, 16 based on Foata normal form. 8/275 useless extension candidates. Maximal degree in co-relation 774. Up to 250 conditions per place. [2021-04-28 23:15:07,165 INFO L132 encePairwiseOnDemand]: 251/267 looper letters, 8 selfloop transitions, 2 changer transitions 82/116 dead transitions. [2021-04-28 23:15:07,165 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 108 places, 116 transitions, 332 flow [2021-04-28 23:15:07,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:15:07,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:15:07,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2021-04-28 23:15:07,188 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8114856429463171 [2021-04-28 23:15:07,189 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 650 transitions. [2021-04-28 23:15:07,189 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 650 transitions. [2021-04-28 23:15:07,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:15:07,195 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 650 transitions. [2021-04-28 23:15:07,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 216.66666666666666) internal successors, (650), 3 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,209 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 267.0) internal successors, (1068), 4 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,211 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 267.0) internal successors, (1068), 4 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,213 INFO L185 Difference]: Start difference. First operand has 109 places, 104 transitions, 214 flow. Second operand 3 states and 650 transitions. [2021-04-28 23:15:07,214 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 108 places, 116 transitions, 332 flow [2021-04-28 23:15:07,218 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 106 places, 116 transitions, 330 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:15:07,220 INFO L241 Difference]: Finished difference. Result has 106 places, 31 transitions, 70 flow [2021-04-28 23:15:07,223 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=202, PETRI_DIFFERENCE_MINUEND_PLACES=104, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=99, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=97, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=70, PETRI_PLACES=106, PETRI_TRANSITIONS=31} [2021-04-28 23:15:07,224 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -3 predicate places. [2021-04-28 23:15:07,224 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:07,224 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 106 places, 31 transitions, 70 flow [2021-04-28 23:15:07,225 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 106 places, 31 transitions, 70 flow [2021-04-28 23:15:07,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 38 places, 31 transitions, 70 flow [2021-04-28 23:15:07,231 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-04-28 23:15:07,231 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:07,231 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 99 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-04-28 23:15:07,232 INFO L146 LiptonReduction]: Number of co-enabled transitions 500 [2021-04-28 23:15:07,385 INFO L158 LiptonReduction]: Checked pairs total: 470 [2021-04-28 23:15:07,385 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:15:07,386 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 162 [2021-04-28 23:15:07,387 INFO L480 AbstractCegarLoop]: Abstraction has has 38 places, 31 transitions, 70 flow [2021-04-28 23:15:07,388 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 200.66666666666666) internal successors, (602), 3 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) [2021-04-28 23:15:07,388 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:07,388 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:15:07,389 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:15:07,389 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:07,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:07,390 INFO L82 PathProgramCache]: Analyzing trace with hash -1983385278, now seen corresponding path program 1 times [2021-04-28 23:15:07,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:07,390 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193781730] [2021-04-28 23:15:07,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:07,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:15:07,579 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:07,582 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:15:07,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:15:07,591 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193781730] [2021-04-28 23:15:07,591 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:15:07,591 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:15:07,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642907667] [2021-04-28 23:15:07,593 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:15:07,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:15:07,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:15:07,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:15:07,596 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 189 out of 267 [2021-04-28 23:15:07,597 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 38 places, 31 transitions, 70 flow. Second operand has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,597 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:15:07,597 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 189 of 267 [2021-04-28 23:15:07,597 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:15:07,625 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-04-28 23:15:07,625 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:07,625 INFO L84 FinitePrefix]: Finished finitePrefix Result has 43 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 101 event pairs, 0 based on Foata normal form. 1/18 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:15:07,625 INFO L132 encePairwiseOnDemand]: 264/267 looper letters, 1 selfloop transitions, 2 changer transitions 10/31 dead transitions. [2021-04-28 23:15:07,626 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 31 transitions, 76 flow [2021-04-28 23:15:07,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:15:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:15:07,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 571 transitions. [2021-04-28 23:15:07,633 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7128589263420724 [2021-04-28 23:15:07,633 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 571 transitions. [2021-04-28 23:15:07,634 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 571 transitions. [2021-04-28 23:15:07,634 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:15:07,634 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 571 transitions. [2021-04-28 23:15:07,636 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 190.33333333333334) internal successors, (571), 3 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,639 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 267.0) internal successors, (1068), 4 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,640 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 267.0) internal successors, (1068), 4 states have internal predecessors, (1068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,640 INFO L185 Difference]: Start difference. First operand has 38 places, 31 transitions, 70 flow. Second operand 3 states and 571 transitions. [2021-04-28 23:15:07,641 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 31 transitions, 76 flow [2021-04-28 23:15:07,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 38 places, 31 transitions, 72 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:15:07,642 INFO L241 Difference]: Finished difference. Result has 39 places, 21 transitions, 54 flow [2021-04-28 23:15:07,643 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=66, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=54, PETRI_PLACES=39, PETRI_TRANSITIONS=21} [2021-04-28 23:15:07,643 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -70 predicate places. [2021-04-28 23:15:07,643 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:07,644 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 39 places, 21 transitions, 54 flow [2021-04-28 23:15:07,644 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 39 places, 21 transitions, 54 flow [2021-04-28 23:15:07,645 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 29 places, 21 transitions, 54 flow [2021-04-28 23:15:07,650 INFO L129 PetriNetUnfolder]: 0/21 cut-off events. [2021-04-28 23:15:07,650 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:15:07,650 INFO L84 FinitePrefix]: Finished finitePrefix Result has 32 conditions, 21 events. 0/21 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 35 event pairs, 0 based on Foata normal form. 0/16 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-28 23:15:07,651 INFO L146 LiptonReduction]: Number of co-enabled transitions 206 [2021-04-28 23:15:07,730 INFO L158 LiptonReduction]: Checked pairs total: 260 [2021-04-28 23:15:07,730 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:15:07,731 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 88 [2021-04-28 23:15:07,732 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 21 transitions, 54 flow [2021-04-28 23:15:07,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 189.66666666666666) internal successors, (569), 3 states have internal predecessors, (569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:07,733 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:07,733 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:15:07,733 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:15:07,733 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:07,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:07,734 INFO L82 PathProgramCache]: Analyzing trace with hash 886674410, now seen corresponding path program 1 times [2021-04-28 23:15:07,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:07,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418526923] [2021-04-28 23:15:07,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:15:07,912 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:07,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:15:07,938 INFO L142 QuantifierPusher]: treesize reduction 32, result has 40.7 percent of original size [2021-04-28 23:15:07,940 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-04-28 23:15:08,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:08,013 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-04-28 23:15:08,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:08,028 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:15:08,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:08,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:15:08,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:15:08,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418526923] [2021-04-28 23:15:08,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:15:08,055 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-04-28 23:15:08,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138831341] [2021-04-28 23:15:08,055 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:15:08,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:15:08,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:15:08,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:15:08,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 135 out of 267 [2021-04-28 23:15:08,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 21 transitions, 54 flow. Second operand has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:08,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:15:08,061 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 135 of 267 [2021-04-28 23:15:08,061 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:15:08,715 INFO L129 PetriNetUnfolder]: 73/178 cut-off events. [2021-04-28 23:15:08,716 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-04-28 23:15:08,716 INFO L84 FinitePrefix]: Finished finitePrefix Result has 386 conditions, 178 events. 73/178 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 751 event pairs, 0 based on Foata normal form. 35/164 useless extension candidates. Maximal degree in co-relation 376. Up to 48 conditions per place. [2021-04-28 23:15:08,717 INFO L132 encePairwiseOnDemand]: 257/267 looper letters, 11 selfloop transitions, 17 changer transitions 28/62 dead transitions. [2021-04-28 23:15:08,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 37 places, 62 transitions, 255 flow [2021-04-28 23:15:08,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-04-28 23:15:08,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-04-28 23:15:08,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1274 transitions. [2021-04-28 23:15:08,727 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5301706200582605 [2021-04-28 23:15:08,727 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1274 transitions. [2021-04-28 23:15:08,727 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1274 transitions. [2021-04-28 23:15:08,728 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:15:08,728 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1274 transitions. [2021-04-28 23:15:08,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 141.55555555555554) internal successors, (1274), 9 states have internal predecessors, (1274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:08,738 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:08,741 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 267.0) internal successors, (2670), 10 states have internal predecessors, (2670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:08,741 INFO L185 Difference]: Start difference. First operand has 29 places, 21 transitions, 54 flow. Second operand 9 states and 1274 transitions. [2021-04-28 23:15:08,741 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 37 places, 62 transitions, 255 flow [2021-04-28 23:15:08,743 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 62 transitions, 238 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 23:15:08,744 INFO L241 Difference]: Finished difference. Result has 41 places, 30 transitions, 143 flow [2021-04-28 23:15:08,745 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=46, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=21, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=143, PETRI_PLACES=41, PETRI_TRANSITIONS=30} [2021-04-28 23:15:08,745 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -68 predicate places. [2021-04-28 23:15:08,745 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:08,745 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 30 transitions, 143 flow [2021-04-28 23:15:08,746 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 30 transitions, 143 flow [2021-04-28 23:15:08,746 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 30 transitions, 143 flow [2021-04-28 23:15:08,762 INFO L129 PetriNetUnfolder]: 12/77 cut-off events. [2021-04-28 23:15:08,763 INFO L130 PetriNetUnfolder]: For 88/88 co-relation queries the response was YES. [2021-04-28 23:15:08,763 INFO L84 FinitePrefix]: Finished finitePrefix Result has 216 conditions, 77 events. 12/77 cut-off events. For 88/88 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 332 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 202. Up to 28 conditions per place. [2021-04-28 23:15:08,764 INFO L146 LiptonReduction]: Number of co-enabled transitions 84 [2021-04-28 23:15:09,078 INFO L158 LiptonReduction]: Checked pairs total: 177 [2021-04-28 23:15:09,078 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:15:09,078 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 333 [2021-04-28 23:15:09,079 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 30 transitions, 143 flow [2021-04-28 23:15:09,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 136.0) internal successors, (816), 6 states have internal predecessors, (816), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:09,081 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:09,081 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:15:09,081 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:15:09,081 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:09,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:09,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2007687768, now seen corresponding path program 1 times [2021-04-28 23:15:09,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:09,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771611824] [2021-04-28 23:15:09,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:15:09,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:09,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:15:09,201 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:09,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:15:09,211 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:09,212 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:15:09,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:15:09,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771611824] [2021-04-28 23:15:09,223 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:15:09,223 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:15:09,223 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127900840] [2021-04-28 23:15:09,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:15:09,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:15:09,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:15:09,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:15:09,226 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 267 [2021-04-28 23:15:09,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 30 transitions, 143 flow. Second operand has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:09,227 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:15:09,227 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 267 [2021-04-28 23:15:09,227 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:15:09,287 INFO L129 PetriNetUnfolder]: 21/115 cut-off events. [2021-04-28 23:15:09,287 INFO L130 PetriNetUnfolder]: For 171/171 co-relation queries the response was YES. [2021-04-28 23:15:09,288 INFO L84 FinitePrefix]: Finished finitePrefix Result has 380 conditions, 115 events. 21/115 cut-off events. For 171/171 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 602 event pairs, 0 based on Foata normal form. 9/86 useless extension candidates. Maximal degree in co-relation 364. Up to 55 conditions per place. [2021-04-28 23:15:09,288 INFO L132 encePairwiseOnDemand]: 264/267 looper letters, 3 selfloop transitions, 1 changer transitions 5/31 dead transitions. [2021-04-28 23:15:09,289 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 31 transitions, 155 flow [2021-04-28 23:15:09,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:15:09,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:15:09,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 754 transitions. [2021-04-28 23:15:09,295 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7059925093632958 [2021-04-28 23:15:09,295 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 754 transitions. [2021-04-28 23:15:09,295 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 754 transitions. [2021-04-28 23:15:09,296 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:15:09,296 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 754 transitions. [2021-04-28 23:15:09,299 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 188.5) internal successors, (754), 4 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:09,302 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 267.0) internal successors, (1335), 5 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:09,303 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 267.0) internal successors, (1335), 5 states have internal predecessors, (1335), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:09,303 INFO L185 Difference]: Start difference. First operand has 36 places, 30 transitions, 143 flow. Second operand 4 states and 754 transitions. [2021-04-28 23:15:09,303 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 31 transitions, 155 flow [2021-04-28 23:15:09,310 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 31 transitions, 138 flow, removed 5 selfloop flow, removed 5 redundant places. [2021-04-28 23:15:09,311 INFO L241 Difference]: Finished difference. Result has 36 places, 26 transitions, 111 flow [2021-04-28 23:15:09,311 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=267, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=31, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=36, PETRI_TRANSITIONS=26} [2021-04-28 23:15:09,311 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -73 predicate places. [2021-04-28 23:15:09,312 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:09,312 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 26 transitions, 111 flow [2021-04-28 23:15:09,312 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 26 transitions, 111 flow [2021-04-28 23:15:09,313 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 26 transitions, 111 flow [2021-04-28 23:15:09,325 INFO L129 PetriNetUnfolder]: 9/68 cut-off events. [2021-04-28 23:15:09,325 INFO L130 PetriNetUnfolder]: For 33/33 co-relation queries the response was YES. [2021-04-28 23:15:09,326 INFO L84 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 68 events. 9/68 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 261 event pairs, 0 based on Foata normal form. 0/48 useless extension candidates. Maximal degree in co-relation 145. Up to 28 conditions per place. [2021-04-28 23:15:09,326 INFO L146 LiptonReduction]: Number of co-enabled transitions 60 [2021-04-28 23:15:11,685 WARN L205 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 235 DAG size of output: 182 [2021-04-28 23:15:12,478 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-04-28 23:15:17,006 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 336 DAG size of output: 264 [2021-04-28 23:15:18,907 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 244 [2021-04-28 23:15:19,022 INFO L158 LiptonReduction]: Checked pairs total: 220 [2021-04-28 23:15:19,022 INFO L160 LiptonReduction]: Total number of compositions: 2 [2021-04-28 23:15:19,022 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 9710 [2021-04-28 23:15:19,024 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 26 transitions, 114 flow [2021-04-28 23:15:19,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 188.0) internal successors, (752), 4 states have internal predecessors, (752), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,025 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:19,025 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:15:19,025 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:15:19,025 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:19,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:19,026 INFO L82 PathProgramCache]: Analyzing trace with hash 496410512, now seen corresponding path program 1 times [2021-04-28 23:15:19,026 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:19,026 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510746584] [2021-04-28 23:15:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:15:19,179 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:19,181 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:15:19,198 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:19,200 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:15:19,229 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:19,231 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-04-28 23:15:19,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:19,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-04-28 23:15:19,296 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:15:19,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-04-28 23:15:19,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-28 23:15:19,314 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510746584] [2021-04-28 23:15:19,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:15:19,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:15:19,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174897561] [2021-04-28 23:15:19,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-28 23:15:19,315 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:15:19,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-28 23:15:19,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-04-28 23:15:19,317 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 269 [2021-04-28 23:15:19,319 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 26 transitions, 114 flow. Second operand has 6 states, 6 states have (on average 173.33333333333334) internal successors, (1040), 6 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,319 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:15:19,319 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 269 [2021-04-28 23:15:19,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:15:19,508 INFO L129 PetriNetUnfolder]: 22/130 cut-off events. [2021-04-28 23:15:19,508 INFO L130 PetriNetUnfolder]: For 105/105 co-relation queries the response was YES. [2021-04-28 23:15:19,509 INFO L84 FinitePrefix]: Finished finitePrefix Result has 347 conditions, 130 events. 22/130 cut-off events. For 105/105 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 707 event pairs, 0 based on Foata normal form. 9/96 useless extension candidates. Maximal degree in co-relation 333. Up to 55 conditions per place. [2021-04-28 23:15:19,509 INFO L132 encePairwiseOnDemand]: 264/269 looper letters, 5 selfloop transitions, 3 changer transitions 6/31 dead transitions. [2021-04-28 23:15:19,509 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 31 transitions, 154 flow [2021-04-28 23:15:19,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:15:19,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:15:19,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 702 transitions. [2021-04-28 23:15:19,520 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6524163568773235 [2021-04-28 23:15:19,520 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 702 transitions. [2021-04-28 23:15:19,542 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 702 transitions. [2021-04-28 23:15:19,543 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:15:19,543 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 702 transitions. [2021-04-28 23:15:19,546 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 175.5) internal successors, (702), 4 states have internal predecessors, (702), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,551 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 269.0) internal successors, (1345), 5 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,552 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 269.0) internal successors, (1345), 5 states have internal predecessors, (1345), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,552 INFO L185 Difference]: Start difference. First operand has 35 places, 26 transitions, 114 flow. Second operand 4 states and 702 transitions. [2021-04-28 23:15:19,552 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 31 transitions, 154 flow [2021-04-28 23:15:19,556 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 31 transitions, 147 flow, removed 1 selfloop flow, removed 3 redundant places. [2021-04-28 23:15:19,557 INFO L241 Difference]: Finished difference. Result has 36 places, 24 transitions, 114 flow [2021-04-28 23:15:19,557 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=269, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=114, PETRI_PLACES=36, PETRI_TRANSITIONS=24} [2021-04-28 23:15:19,558 INFO L343 CegarLoopForPetriNet]: 109 programPoint places, -73 predicate places. [2021-04-28 23:15:19,558 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:15:19,558 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 36 places, 24 transitions, 114 flow [2021-04-28 23:15:19,558 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 36 places, 24 transitions, 114 flow [2021-04-28 23:15:19,559 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 34 places, 24 transitions, 114 flow [2021-04-28 23:15:19,573 INFO L129 PetriNetUnfolder]: 9/62 cut-off events. [2021-04-28 23:15:19,574 INFO L130 PetriNetUnfolder]: For 40/40 co-relation queries the response was YES. [2021-04-28 23:15:19,574 INFO L84 FinitePrefix]: Finished finitePrefix Result has 164 conditions, 62 events. 9/62 cut-off events. For 40/40 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 239 event pairs, 0 based on Foata normal form. 0/42 useless extension candidates. Maximal degree in co-relation 152. Up to 28 conditions per place. [2021-04-28 23:15:19,576 INFO L146 LiptonReduction]: Number of co-enabled transitions 26 [2021-04-28 23:15:19,788 INFO L158 LiptonReduction]: Checked pairs total: 49 [2021-04-28 23:15:19,789 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:15:19,789 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 231 [2021-04-28 23:15:19,790 INFO L480 AbstractCegarLoop]: Abstraction has has 34 places, 24 transitions, 114 flow [2021-04-28 23:15:19,791 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 173.33333333333334) internal successors, (1040), 6 states have internal predecessors, (1040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:15:19,791 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:15:19,791 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:15:19,791 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:15:19,791 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:15:19,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:15:19,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1684529645, now seen corresponding path program 1 times [2021-04-28 23:15:19,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:15:19,792 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581503880] [2021-04-28 23:15:19,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:15:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:15:19,870 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:15:19,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:15:19,976 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:15:20,042 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:15:20,043 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:15:20,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:15:20,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:15:20 BasicIcfg [2021-04-28 23:15:20,169 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:15:20,172 INFO L168 Benchmark]: Toolchain (without parser) took 148732.89 ms. Allocated memory was 323.0 MB in the beginning and 786.4 MB in the end (delta: 463.5 MB). Free memory was 295.5 MB in the beginning and 689.5 MB in the end (delta: -394.0 MB). Peak memory consumption was 70.9 MB. Max. memory is 16.0 GB. [2021-04-28 23:15:20,173 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 323.0 MB. Free memory is still 290.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:15:20,173 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.94 ms. Allocated memory is still 323.0 MB. Free memory was 292.3 MB in the beginning and 287.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.0 GB. [2021-04-28 23:15:20,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.72 ms. Allocated memory is still 323.0 MB. Free memory was 287.3 MB in the beginning and 284.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-04-28 23:15:20,174 INFO L168 Benchmark]: Boogie Preprocessor took 65.77 ms. Allocated memory is still 323.0 MB. Free memory was 284.2 MB in the beginning and 282.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:15:20,177 INFO L168 Benchmark]: RCFGBuilder took 3001.66 ms. Allocated memory was 323.0 MB in the beginning and 402.7 MB in the end (delta: 79.7 MB). Free memory was 282.1 MB in the beginning and 249.0 MB in the end (delta: 33.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. [2021-04-28 23:15:20,177 INFO L168 Benchmark]: TraceAbstraction took 144717.30 ms. Allocated memory was 402.7 MB in the beginning and 786.4 MB in the end (delta: 383.8 MB). Free memory was 249.0 MB in the beginning and 689.5 MB in the end (delta: -440.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:15:20,181 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 323.0 MB. Free memory is still 290.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 812.94 ms. Allocated memory is still 323.0 MB. Free memory was 292.3 MB in the beginning and 287.3 MB in the end (delta: 5.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 71.72 ms. Allocated memory is still 323.0 MB. Free memory was 287.3 MB in the beginning and 284.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 65.77 ms. Allocated memory is still 323.0 MB. Free memory was 284.2 MB in the beginning and 282.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3001.66 ms. Allocated memory was 323.0 MB in the beginning and 402.7 MB in the end (delta: 79.7 MB). Free memory was 282.1 MB in the beginning and 249.0 MB in the end (delta: 33.0 MB). Peak memory consumption was 172.0 MB. Max. memory is 16.0 GB. * TraceAbstraction took 144717.30 ms. Allocated memory was 402.7 MB in the beginning and 786.4 MB in the end (delta: 383.8 MB). Free memory was 249.0 MB in the beginning and 689.5 MB in the end (delta: -440.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 130581.8ms, 85 PlacesBefore, 109 PlacesAfterwards, 80 TransitionsBefore, 104 TransitionsAfterwards, 982 CoEnabledTransitionPairs, 8 FixpointIterations, 114 TrivialSequentialCompositions, 70 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 185 TotalNumberOfCompositions, 8900 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2098, positive: 1905, positive conditional: 1905, positive unconditional: 0, negative: 193, negative conditional: 193, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1045, positive: 992, positive conditional: 0, positive unconditional: 992, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1045, positive: 992, positive conditional: 0, positive unconditional: 992, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1045, positive: 972, positive conditional: 0, positive unconditional: 972, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 73, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1686, positive: 98, positive conditional: 0, positive unconditional: 98, negative: 1588, negative conditional: 0, negative unconditional: 1588, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2098, positive: 913, positive conditional: 913, positive unconditional: 0, negative: 140, negative conditional: 140, negative unconditional: 0, unknown: 1045, unknown conditional: 1045, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1045, Positive cache size: 992, Positive conditional cache size: 992, Positive unconditional cache size: 0, Negative cache size: 53, Negative conditional cache size: 53, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 160.8ms, 106 PlacesBefore, 38 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 500 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 470 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 67, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 24, negative conditional: 24, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 24, positive: 17, positive conditional: 1, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 24, positive: 17, positive conditional: 1, positive unconditional: 16, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 24, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 7, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 7, negative conditional: 0, negative unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 148, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 148, negative conditional: 0, negative unconditional: 148, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 67, positive: 26, positive conditional: 26, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 24, unknown conditional: 24, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1069, Positive cache size: 1009, Positive conditional cache size: 1009, Positive unconditional cache size: 0, Negative cache size: 60, Negative conditional cache size: 60, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 86.1ms, 39 PlacesBefore, 29 PlacesAfterwards, 21 TransitionsBefore, 21 TransitionsAfterwards, 206 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 260 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 90, positive: 67, positive conditional: 67, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 2, positive unconditional: 14, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 16, positive conditional: 2, positive unconditional: 14, 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: 17, positive: 12, positive conditional: 0, positive unconditional: 12, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 76, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 55, negative conditional: 55, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 90, positive: 51, positive conditional: 51, positive unconditional: 0, negative: 22, negative conditional: 22, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1086, Positive cache size: 1025, Positive conditional cache size: 1025, Positive unconditional cache size: 0, Negative cache size: 61, Negative conditional cache size: 61, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 332.4ms, 41 PlacesBefore, 36 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 84 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 177 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 3, positive unconditional: 4, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 13, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ 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] , SemanticIndependenceRelation.Query Time [ms]: [ total: 310, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 310, negative conditional: 0, negative unconditional: 310, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 33, positive conditional: 33, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 13, unknown conditional: 13, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1099, Positive cache size: 1032, Positive conditional cache size: 1032, Positive unconditional cache size: 0, Negative cache size: 67, Negative conditional cache size: 67, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 9710.0ms, 36 PlacesBefore, 35 PlacesAfterwards, 26 TransitionsBefore, 26 TransitionsAfterwards, 60 CoEnabledTransitionPairs, 2 FixpointIterations, 1 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 220 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 75, positive: 45, positive conditional: 45, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 4, positive unconditional: 7, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12, positive: 11, positive conditional: 4, positive unconditional: 7, 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: 12, positive: 11, positive conditional: 0, positive unconditional: 11, 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: 36, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 75, positive: 34, positive conditional: 34, positive unconditional: 0, negative: 29, negative conditional: 29, negative unconditional: 0, unknown: 12, unknown conditional: 12, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1111, Positive cache size: 1043, Positive conditional cache size: 1043, Positive unconditional cache size: 0, Negative cache size: 68, Negative conditional cache size: 68, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 230.3ms, 36 PlacesBefore, 34 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 26 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 49 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 21, positive: 14, positive conditional: 14, positive unconditional: 0, negative: 7, negative conditional: 7, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, 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: 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] , SemanticIndependenceRelation.Independence Queries: [ total: 4, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 210, positive: 154, positive conditional: 154, positive unconditional: 0, negative: 56, negative conditional: 0, negative unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 21, positive: 12, positive conditional: 12, positive unconditional: 0, negative: 5, negative conditional: 5, negative unconditional: 0, unknown: 4, unknown conditional: 4, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1115, Positive cache size: 1045, Positive conditional cache size: 1045, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L708] 0 int __unbuffered_cnt = 0; [L710] 0 int __unbuffered_p1_EAX = 0; [L712] 0 int __unbuffered_p1_EBX = 0; [L713] 0 _Bool main$tmp_guard0; [L714] 0 _Bool main$tmp_guard1; [L716] 0 int x = 0; [L718] 0 int y = 0; [L719] 0 _Bool y$flush_delayed; [L720] 0 int y$mem_tmp; [L721] 0 _Bool y$r_buff0_thd0; [L722] 0 _Bool y$r_buff0_thd1; [L723] 0 _Bool y$r_buff0_thd2; [L724] 0 _Bool y$r_buff1_thd0; [L725] 0 _Bool y$r_buff1_thd1; [L726] 0 _Bool y$r_buff1_thd2; [L727] 0 _Bool y$read_delayed; [L728] 0 int *y$read_delayed_var; [L729] 0 int y$w_buff0; [L730] 0 _Bool y$w_buff0_used; [L731] 0 int y$w_buff1; [L732] 0 _Bool y$w_buff1_used; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1717; [L811] FCALL, FORK 0 pthread_create(&t1717, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L812] 0 pthread_t t1718; [L813] FCALL, FORK 0 pthread_create(&t1718, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L758] 2 y$w_buff1 = y$w_buff0 [L759] 2 y$w_buff0 = 2 [L760] 2 y$w_buff1_used = y$w_buff0_used [L761] 2 y$w_buff0_used = (_Bool)1 [L18] COND FALSE 2 !(!expression) [L763] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L764] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L765] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L766] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L769] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L770] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L771] 2 y$flush_delayed = weak$$choice2 [L772] 2 y$mem_tmp = y [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1 [L773] EXPR 2 !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L773] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1) [L774] EXPR 2 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L774] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0)) [L775] EXPR 2 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L775] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1)) [L776] EXPR 2 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L776] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used)) [L777] EXPR 2 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L777] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L778] EXPR 2 weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L778] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2)) [L779] EXPR 2 weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L779] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 __unbuffered_p1_EAX = y [L781] EXPR 2 y$flush_delayed ? y$mem_tmp : y [L781] 2 y = y$flush_delayed ? y$mem_tmp : y [L782] 2 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L785] 2 __unbuffered_p1_EBX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L738] 1 x = 1 [L741] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L744] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L744] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L745] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L745] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L746] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L746] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L747] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L748] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L753] 1 return 0; VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L788] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L788] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L789] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L789] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L790] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L790] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L791] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L791] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L792] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L792] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=53, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L819] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L819] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L820] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L820] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L821] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L821] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L822] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L822] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L823] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L823] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L826] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L827] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L828] 0 y$flush_delayed = weak$$choice2 [L829] 0 y$mem_tmp = y [L830] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L830] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L831] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L831] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L832] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L832] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L833] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L833] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L834] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L834] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L835] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L835] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L836] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L836] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L837] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L838] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L838] 0 y = y$flush_delayed ? y$mem_tmp : y [L839] 0 y$flush_delayed = (_Bool)0 [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 144446.9ms, OverallIterations: 6, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1695.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 130680.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 26 SDtfs, 26 SDslu, 5 SDs, 0 SdLazy, 155 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 555.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 474.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=214occurred in iteration=0, InterpolantAutomatonStates: 23, 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: 31.9ms SsaConstructionTime, 415.1ms SatisfiabilityAnalysisTime, 710.6ms InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 48 ConstructedInterpolants, 0 QuantifiedInterpolants, 290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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...