/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_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-28 23:12:01,701 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-28 23:12:01,704 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-28 23:12:01,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-04-28 23:12:01,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-04-28 23:12:01,740 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-04-28 23:12:01,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-04-28 23:12:01,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-04-28 23:12:01,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-04-28 23:12:01,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-04-28 23:12:01,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-04-28 23:12:01,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-04-28 23:12:01,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-28 23:12:01,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-28 23:12:01,753 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-28 23:12:01,755 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-28 23:12:01,756 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-28 23:12:01,757 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-28 23:12:01,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-28 23:12:01,761 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-28 23:12:01,763 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-28 23:12:01,765 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-28 23:12:01,766 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-28 23:12:01,767 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-28 23:12:01,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-04-28 23:12:01,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-04-28 23:12:01,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-04-28 23:12:01,778 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-04-28 23:12:01,782 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-04-28 23:12:01,783 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-04-28 23:12:01,783 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-04-28 23:12:01,784 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-04-28 23:12:01,786 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-04-28 23:12:01,787 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-04-28 23:12:01,791 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-04-28 23:12:01,791 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-04-28 23:12:01,792 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-04-28 23:12:01,793 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-04-28 23:12:01,793 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-28 23:12:01,794 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-28 23:12:01,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-28 23:12:01,801 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 23:12:01,859 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-28 23:12:01,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-28 23:12:01,862 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-28 23:12:01,863 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-28 23:12:01,864 INFO L138 SettingsManager]: * Use SBE=true [2021-04-28 23:12:01,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-28 23:12:01,865 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-28 23:12:01,865 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-28 23:12:01,865 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-28 23:12:01,865 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-28 23:12:01,865 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-28 23:12:01,866 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-28 23:12:01,866 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-28 23:12:01,866 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-28 23:12:01,866 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-28 23:12:01,867 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-28 23:12:01,867 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-28 23:12:01,867 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-28 23:12:01,867 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-28 23:12:01,867 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-28 23:12:01,868 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-28 23:12:01,869 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-28 23:12:01,869 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-28 23:12:01,870 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-28 23:12:01,870 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-28 23:12:01,870 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-28 23:12:01,870 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-28 23:12:01,870 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-28 23:12:01,871 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-28 23:12:01,871 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-28 23:12:01,871 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-28 23:12:02,275 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-28 23:12:02,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-28 23:12:02,322 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-28 23:12:02,323 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-28 23:12:02,324 INFO L275 PluginConnector]: CDTParser initialized [2021-04-28 23:12:02,325 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2021-04-28 23:12:02,412 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9bdc386/0b85dee6f5a442a695db26fdb354174b/FLAGcdd1000bf [2021-04-28 23:12:03,193 INFO L306 CDTParser]: Found 1 translation units. [2021-04-28 23:12:03,194 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_power.opt.i [2021-04-28 23:12:03,219 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9bdc386/0b85dee6f5a442a695db26fdb354174b/FLAGcdd1000bf [2021-04-28 23:12:03,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d9bdc386/0b85dee6f5a442a695db26fdb354174b [2021-04-28 23:12:03,478 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-28 23:12:03,529 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-28 23:12:03,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:03,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-28 23:12:03,535 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-28 23:12:03,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:03" (1/1) ... [2021-04-28 23:12:03,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdfaa60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:03, skipping insertion in model container [2021-04-28 23:12:03,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.04 11:12:03" (1/1) ... [2021-04-28 23:12:03,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-28 23:12:03,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-28 23:12:03,772 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_power.opt.i[950,963] [2021-04-28 23:12:04,126 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:04,139 INFO L203 MainTranslator]: Completed pre-run [2021-04-28 23:12:04,154 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_power.opt.i[950,963] [2021-04-28 23:12:04,201 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-28 23:12:04,356 INFO L208 MainTranslator]: Completed translation [2021-04-28 23:12:04,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04 WrapperNode [2021-04-28 23:12:04,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-28 23:12:04,362 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:04,362 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-28 23:12:04,363 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-28 23:12:04,371 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,454 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-28 23:12:04,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-28 23:12:04,455 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-28 23:12:04,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-28 23:12:04,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,471 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,481 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,485 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (1/1) ... [2021-04-28 23:12:04,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-28 23:12:04,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-28 23:12:04,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-28 23:12:04,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-28 23:12:04,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (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 23:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-28 23:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-28 23:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-28 23:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-28 23:12:04,609 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-28 23:12:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-28 23:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-28 23:12:04,610 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-28 23:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-28 23:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-28 23:12:04,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-28 23:12:04,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-28 23:12:04,613 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 23:12:06,658 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-28 23:12:06,659 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-04-28 23:12:06,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:06 BoogieIcfgContainer [2021-04-28 23:12:06,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-28 23:12:06,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-28 23:12:06,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-28 23:12:06,668 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-28 23:12:06,669 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.04 11:12:03" (1/3) ... [2021-04-28 23:12:06,669 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3c52a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:06, skipping insertion in model container [2021-04-28 23:12:06,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.04 11:12:04" (2/3) ... [2021-04-28 23:12:06,670 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e3c52a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 11:12:06, skipping insertion in model container [2021-04-28 23:12:06,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 11:12:06" (3/3) ... [2021-04-28 23:12:06,672 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi007_power.opt.i [2021-04-28 23:12:06,681 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-28 23:12:06,687 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-04-28 23:12:06,688 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-28 23:12:06,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,727 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,727 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,728 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,728 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,728 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,729 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,729 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,729 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,730 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,730 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,731 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,732 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,733 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,734 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,735 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,736 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,736 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,736 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,737 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,737 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,737 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,738 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,739 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,740 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,741 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,742 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,743 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,744 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,746 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,747 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,748 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,749 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,750 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,751 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,752 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,753 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,754 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,757 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,758 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,759 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,760 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,761 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,763 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,764 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,765 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,765 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,766 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,766 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,766 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,768 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,769 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,770 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,771 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,771 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,772 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,773 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,774 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-28 23:12:06,777 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-28 23:12:06,803 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-04-28 23:12:06,831 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-28 23:12:06,831 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-28 23:12:06,831 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-28 23:12:06,831 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-28 23:12:06,831 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-28 23:12:06,832 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-28 23:12:06,832 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-28 23:12:06,832 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-28 23:12:06,846 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:06,889 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:06,890 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:06,894 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 3. Compared 50 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 23:12:06,894 INFO L82 GeneralOperation]: Start removeDead. Operand has 87 places, 82 transitions, 174 flow [2021-04-28 23:12:06,900 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:06,902 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:06,920 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:06,924 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:06,926 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 85 places, 80 transitions, 166 flow [2021-04-28 23:12:06,947 INFO L129 PetriNetUnfolder]: 2/80 cut-off events. [2021-04-28 23:12:06,947 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:06,948 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 3. Compared 48 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 23:12:06,951 INFO L146 LiptonReduction]: Number of co-enabled transitions 992 [2021-04-28 23:12:09,165 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-04-28 23:12:09,323 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-04-28 23:12:09,775 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 86 [2021-04-28 23:12:09,959 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2021-04-28 23:12:14,854 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:15,012 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-28 23:12:15,704 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:12:15,869 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-28 23:12:17,859 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:12:18,024 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-28 23:12:18,473 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-28 23:12:18,775 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:12:18,979 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2021-04-28 23:12:19,170 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 23:12:19,356 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 62 [2021-04-28 23:12:19,818 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:19,937 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:20,055 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:20,174 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:20,284 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:20,416 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:20,524 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:20,629 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-04-28 23:12:21,708 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:21,828 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:21,948 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:22,091 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:22,213 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:22,336 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:22,451 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:22,565 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-04-28 23:12:23,161 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:12:23,307 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:12:23,605 WARN L205 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 103 [2021-04-28 23:12:23,758 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 99 [2021-04-28 23:12:24,450 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:24,552 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:24,750 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-04-28 23:12:25,081 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:12:25,233 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:12:25,596 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 108 [2021-04-28 23:12:25,770 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2021-04-28 23:12:26,258 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:12:26,458 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:12:26,562 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-04-28 23:12:26,671 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:12:26,779 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:12:26,888 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:12:26,994 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-04-28 23:12:27,740 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:12:27,885 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:12:28,000 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:12:28,121 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-04-28 23:12:28,462 INFO L158 LiptonReduction]: Checked pairs total: 8910 [2021-04-28 23:12:28,462 INFO L160 LiptonReduction]: Total number of compositions: 190 [2021-04-28 23:12:28,467 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21566 [2021-04-28 23:12:28,487 INFO L129 PetriNetUnfolder]: 0/50 cut-off events. [2021-04-28 23:12:28,487 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:28,488 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:28,489 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-04-28 23:12:28,489 INFO L428 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:28,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:28,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1026815, now seen corresponding path program 1 times [2021-04-28 23:12:28,507 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:28,508 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2014322806] [2021-04-28 23:12:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:28,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:28,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:12:28,744 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 23:12:28,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2014322806] [2021-04-28 23:12:28,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:28,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:12:28,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038199342] [2021-04-28 23:12:28,757 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:12:28,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:28,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:12:28,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:12:28,778 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 220 out of 272 [2021-04-28 23:12:28,784 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 100 transitions, 206 flow. Second operand has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 23:12:28,784 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:28,784 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 220 of 272 [2021-04-28 23:12:28,786 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:28,902 INFO L129 PetriNetUnfolder]: 16/229 cut-off events. [2021-04-28 23:12:28,903 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:28,904 INFO L84 FinitePrefix]: Finished finitePrefix Result has 280 conditions, 229 events. 16/229 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 52. Compared 1602 event pairs, 11 based on Foata normal form. 18/73 useless extension candidates. Maximal degree in co-relation 219. Up to 27 conditions per place. [2021-04-28 23:12:28,907 INFO L132 encePairwiseOnDemand]: 257/272 looper letters, 7 selfloop transitions, 2 changer transitions 45/99 dead transitions. [2021-04-28 23:12:28,907 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 105 places, 99 transitions, 240 flow [2021-04-28 23:12:28,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:12:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:12:28,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 685 transitions. [2021-04-28 23:12:28,932 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8394607843137255 [2021-04-28 23:12:28,932 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 685 transitions. [2021-04-28 23:12:28,933 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 685 transitions. [2021-04-28 23:12:28,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:28,945 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 685 transitions. [2021-04-28 23:12:28,955 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 228.33333333333334) internal successors, (685), 3 states have internal predecessors, (685), 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 23:12:28,981 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 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 23:12:28,983 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 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 23:12:28,986 INFO L185 Difference]: Start difference. First operand has 106 places, 100 transitions, 206 flow. Second operand 3 states and 685 transitions. [2021-04-28 23:12:28,987 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 105 places, 99 transitions, 240 flow [2021-04-28 23:12:28,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 99 transitions, 238 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:12:28,995 INFO L241 Difference]: Finished difference. Result has 103 places, 51 transitions, 110 flow [2021-04-28 23:12:28,997 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=196, PETRI_DIFFERENCE_MINUEND_PLACES=101, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=96, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=94, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=110, PETRI_PLACES=103, PETRI_TRANSITIONS=51} [2021-04-28 23:12:28,999 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -3 predicate places. [2021-04-28 23:12:28,999 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:28,999 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 103 places, 51 transitions, 110 flow [2021-04-28 23:12:29,001 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 103 places, 51 transitions, 110 flow [2021-04-28 23:12:29,002 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 51 transitions, 110 flow [2021-04-28 23:12:29,013 INFO L129 PetriNetUnfolder]: 0/51 cut-off events. [2021-04-28 23:12:29,014 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:29,014 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 51 events. 0/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 236 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 23:12:29,015 INFO L146 LiptonReduction]: Number of co-enabled transitions 1100 [2021-04-28 23:12:29,184 INFO L158 LiptonReduction]: Checked pairs total: 1464 [2021-04-28 23:12:29,184 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:29,184 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 185 [2021-04-28 23:12:29,186 INFO L480 AbstractCegarLoop]: Abstraction has has 58 places, 51 transitions, 110 flow [2021-04-28 23:12:29,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 220.66666666666666) internal successors, (662), 3 states have internal predecessors, (662), 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 23:12:29,187 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:29,188 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:29,188 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-28 23:12:29,188 INFO L428 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:29,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:29,189 INFO L82 PathProgramCache]: Analyzing trace with hash -846541316, now seen corresponding path program 1 times [2021-04-28 23:12:29,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:29,189 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707226510] [2021-04-28 23:12:29,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:29,304 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:12:29,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:12:29,313 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 23:12:29,313 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707226510] [2021-04-28 23:12:29,314 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:29,314 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-28 23:12:29,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855339872] [2021-04-28 23:12:29,315 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-28 23:12:29,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:29,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-28 23:12:29,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-28 23:12:29,319 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 272 [2021-04-28 23:12:29,320 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 51 transitions, 110 flow. Second operand has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 23:12:29,320 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:29,321 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 272 [2021-04-28 23:12:29,321 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:29,584 INFO L129 PetriNetUnfolder]: 252/1045 cut-off events. [2021-04-28 23:12:29,585 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-28 23:12:29,588 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1566 conditions, 1045 events. 252/1045 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 207. Compared 10872 event pairs, 94 based on Foata normal form. 0/571 useless extension candidates. Maximal degree in co-relation 1557. Up to 265 conditions per place. [2021-04-28 23:12:29,590 INFO L132 encePairwiseOnDemand]: 256/272 looper letters, 4 selfloop transitions, 5 changer transitions 39/72 dead transitions. [2021-04-28 23:12:29,591 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 72 transitions, 246 flow [2021-04-28 23:12:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-28 23:12:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-28 23:12:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 526 transitions. [2021-04-28 23:12:29,594 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6446078431372549 [2021-04-28 23:12:29,594 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 526 transitions. [2021-04-28 23:12:29,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 526 transitions. [2021-04-28 23:12:29,595 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:29,595 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 526 transitions. [2021-04-28 23:12:29,597 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 175.33333333333334) internal successors, (526), 3 states have internal predecessors, (526), 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 23:12:29,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 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 23:12:29,601 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 272.0) internal successors, (1088), 4 states have internal predecessors, (1088), 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 23:12:29,602 INFO L185 Difference]: Start difference. First operand has 58 places, 51 transitions, 110 flow. Second operand 3 states and 526 transitions. [2021-04-28 23:12:29,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 72 transitions, 246 flow [2021-04-28 23:12:29,603 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 72 transitions, 242 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:12:29,604 INFO L241 Difference]: Finished difference. Result has 60 places, 33 transitions, 98 flow [2021-04-28 23:12:29,605 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=51, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=46, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=98, PETRI_PLACES=60, PETRI_TRANSITIONS=33} [2021-04-28 23:12:29,605 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -46 predicate places. [2021-04-28 23:12:29,606 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:29,606 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 60 places, 33 transitions, 98 flow [2021-04-28 23:12:29,606 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 60 places, 33 transitions, 98 flow [2021-04-28 23:12:29,607 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 39 places, 33 transitions, 98 flow [2021-04-28 23:12:29,621 INFO L129 PetriNetUnfolder]: 8/88 cut-off events. [2021-04-28 23:12:29,621 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-04-28 23:12:29,621 INFO L84 FinitePrefix]: Finished finitePrefix Result has 136 conditions, 88 events. 8/88 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 424 event pairs, 4 based on Foata normal form. 0/56 useless extension candidates. Maximal degree in co-relation 127. Up to 21 conditions per place. [2021-04-28 23:12:29,623 INFO L146 LiptonReduction]: Number of co-enabled transitions 530 [2021-04-28 23:12:29,820 INFO L158 LiptonReduction]: Checked pairs total: 345 [2021-04-28 23:12:29,820 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:29,820 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 214 [2021-04-28 23:12:29,822 INFO L480 AbstractCegarLoop]: Abstraction has has 39 places, 33 transitions, 98 flow [2021-04-28 23:12:29,823 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 160.66666666666666) internal successors, (482), 3 states have internal predecessors, (482), 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 23:12:29,823 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:29,823 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:29,823 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-28 23:12:29,823 INFO L428 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:29,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:29,824 INFO L82 PathProgramCache]: Analyzing trace with hash -474569765, now seen corresponding path program 1 times [2021-04-28 23:12:29,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:29,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431605771] [2021-04-28 23:12:29,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:29,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:29,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:29,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-04-28 23:12:29,940 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:29,941 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-04-28 23:12:29,955 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:29,956 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:12:29,957 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 23:12:29,957 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431605771] [2021-04-28 23:12:29,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:29,957 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:12:29,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202169969] [2021-04-28 23:12:29,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:12:29,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:29,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:12:29,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:12:29,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 141 out of 272 [2021-04-28 23:12:29,967 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 33 transitions, 98 flow. Second operand has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 23:12:29,967 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:29,967 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 141 of 272 [2021-04-28 23:12:29,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:30,291 INFO L129 PetriNetUnfolder]: 868/1582 cut-off events. [2021-04-28 23:12:30,292 INFO L130 PetriNetUnfolder]: For 482/486 co-relation queries the response was YES. [2021-04-28 23:12:30,294 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3572 conditions, 1582 events. 868/1582 cut-off events. For 482/486 co-relation queries the response was YES. Maximal size of possible extension queue 229. Compared 10634 event pairs, 71 based on Foata normal form. 5/724 useless extension candidates. Maximal degree in co-relation 3561. Up to 778 conditions per place. [2021-04-28 23:12:30,299 INFO L132 encePairwiseOnDemand]: 262/272 looper letters, 21 selfloop transitions, 11 changer transitions 20/62 dead transitions. [2021-04-28 23:12:30,299 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 62 transitions, 276 flow [2021-04-28 23:12:30,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:12:30,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:12:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 613 transitions. [2021-04-28 23:12:30,303 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5634191176470589 [2021-04-28 23:12:30,303 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 613 transitions. [2021-04-28 23:12:30,303 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 613 transitions. [2021-04-28 23:12:30,304 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:30,304 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 613 transitions. [2021-04-28 23:12:30,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 153.25) internal successors, (613), 4 states have internal predecessors, (613), 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 23:12:30,310 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 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 23:12:30,311 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 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 23:12:30,311 INFO L185 Difference]: Start difference. First operand has 39 places, 33 transitions, 98 flow. Second operand 4 states and 613 transitions. [2021-04-28 23:12:30,311 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 62 transitions, 276 flow [2021-04-28 23:12:30,315 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 62 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-28 23:12:30,317 INFO L241 Difference]: Finished difference. Result has 43 places, 34 transitions, 160 flow [2021-04-28 23:12:30,317 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=88, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=160, PETRI_PLACES=43, PETRI_TRANSITIONS=34} [2021-04-28 23:12:30,317 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -63 predicate places. [2021-04-28 23:12:30,318 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:30,318 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 34 transitions, 160 flow [2021-04-28 23:12:30,318 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 34 transitions, 160 flow [2021-04-28 23:12:30,319 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 36 places, 34 transitions, 160 flow [2021-04-28 23:12:30,341 INFO L129 PetriNetUnfolder]: 26/137 cut-off events. [2021-04-28 23:12:30,342 INFO L130 PetriNetUnfolder]: For 77/77 co-relation queries the response was YES. [2021-04-28 23:12:30,342 INFO L84 FinitePrefix]: Finished finitePrefix Result has 316 conditions, 137 events. 26/137 cut-off events. For 77/77 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 757 event pairs, 5 based on Foata normal form. 0/96 useless extension candidates. Maximal degree in co-relation 304. Up to 49 conditions per place. [2021-04-28 23:12:30,344 INFO L146 LiptonReduction]: Number of co-enabled transitions 332 [2021-04-28 23:12:30,511 INFO L158 LiptonReduction]: Checked pairs total: 285 [2021-04-28 23:12:30,511 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:30,512 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 194 [2021-04-28 23:12:30,513 INFO L480 AbstractCegarLoop]: Abstraction has has 36 places, 34 transitions, 160 flow [2021-04-28 23:12:30,514 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.0) internal successors, (568), 4 states have internal predecessors, (568), 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 23:12:30,514 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:30,514 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:30,514 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-28 23:12:30,515 INFO L428 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:30,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:30,515 INFO L82 PathProgramCache]: Analyzing trace with hash -1826763489, now seen corresponding path program 1 times [2021-04-28 23:12:30,515 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:30,516 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904369249] [2021-04-28 23:12:30,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:30,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:30,585 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:30,586 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:12:30,589 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:30,589 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:12:30,596 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:30,596 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:12:30,596 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 23:12:30,597 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904369249] [2021-04-28 23:12:30,597 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:30,597 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-28 23:12:30,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046136912] [2021-04-28 23:12:30,598 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:12:30,598 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:30,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:12:30,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:12:30,600 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 272 [2021-04-28 23:12:30,602 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 34 transitions, 160 flow. Second operand has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 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 23:12:30,602 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:30,602 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 272 [2021-04-28 23:12:30,602 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:30,703 INFO L129 PetriNetUnfolder]: 152/393 cut-off events. [2021-04-28 23:12:30,703 INFO L130 PetriNetUnfolder]: For 197/201 co-relation queries the response was YES. [2021-04-28 23:12:30,704 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1035 conditions, 393 events. 152/393 cut-off events. For 197/201 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2669 event pairs, 48 based on Foata normal form. 43/279 useless extension candidates. Maximal degree in co-relation 1021. Up to 238 conditions per place. [2021-04-28 23:12:30,706 INFO L132 encePairwiseOnDemand]: 263/272 looper letters, 8 selfloop transitions, 14 changer transitions 12/56 dead transitions. [2021-04-28 23:12:30,707 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 40 places, 56 transitions, 302 flow [2021-04-28 23:12:30,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-28 23:12:30,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-28 23:12:30,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 945 transitions. [2021-04-28 23:12:30,712 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6948529411764706 [2021-04-28 23:12:30,712 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 945 transitions. [2021-04-28 23:12:30,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 945 transitions. [2021-04-28 23:12:30,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:30,713 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 945 transitions. [2021-04-28 23:12:30,716 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 189.0) internal successors, (945), 5 states have internal predecessors, (945), 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 23:12:30,720 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 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 23:12:30,721 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 272.0) internal successors, (1632), 6 states have internal predecessors, (1632), 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 23:12:30,721 INFO L185 Difference]: Start difference. First operand has 36 places, 34 transitions, 160 flow. Second operand 5 states and 945 transitions. [2021-04-28 23:12:30,722 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 40 places, 56 transitions, 302 flow [2021-04-28 23:12:30,725 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 56 transitions, 302 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:12:30,727 INFO L241 Difference]: Finished difference. Result has 43 places, 44 transitions, 262 flow [2021-04-28 23:12:30,728 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=160, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=34, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=262, PETRI_PLACES=43, PETRI_TRANSITIONS=44} [2021-04-28 23:12:30,728 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -63 predicate places. [2021-04-28 23:12:30,728 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:30,728 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 44 transitions, 262 flow [2021-04-28 23:12:30,729 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 44 transitions, 262 flow [2021-04-28 23:12:30,729 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 44 transitions, 262 flow [2021-04-28 23:12:30,782 INFO L129 PetriNetUnfolder]: 103/325 cut-off events. [2021-04-28 23:12:30,782 INFO L130 PetriNetUnfolder]: For 224/230 co-relation queries the response was YES. [2021-04-28 23:12:30,784 INFO L84 FinitePrefix]: Finished finitePrefix Result has 983 conditions, 325 events. 103/325 cut-off events. For 224/230 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 2306 event pairs, 42 based on Foata normal form. 1/205 useless extension candidates. Maximal degree in co-relation 966. Up to 160 conditions per place. [2021-04-28 23:12:30,787 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-28 23:12:30,798 INFO L158 LiptonReduction]: Checked pairs total: 345 [2021-04-28 23:12:30,799 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:30,799 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-28 23:12:30,801 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 44 transitions, 262 flow [2021-04-28 23:12:30,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 183.75) internal successors, (735), 4 states have internal predecessors, (735), 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 23:12:30,802 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:30,802 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:30,802 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-28 23:12:30,803 INFO L428 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:30,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:30,803 INFO L82 PathProgramCache]: Analyzing trace with hash -525658497, now seen corresponding path program 1 times [2021-04-28 23:12:30,803 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:30,804 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897025292] [2021-04-28 23:12:30,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:30,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:30,941 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:30,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:12:30,946 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-28 23:12:30,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:12:30,959 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 23:12:30,960 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897025292] [2021-04-28 23:12:30,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:30,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-28 23:12:30,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300000870] [2021-04-28 23:12:30,961 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-28 23:12:30,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:30,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-28 23:12:30,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-04-28 23:12:30,965 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 272 [2021-04-28 23:12:30,966 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 44 transitions, 262 flow. Second operand has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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 23:12:30,966 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:30,966 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 272 [2021-04-28 23:12:30,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:31,045 INFO L129 PetriNetUnfolder]: 86/306 cut-off events. [2021-04-28 23:12:31,045 INFO L130 PetriNetUnfolder]: For 310/332 co-relation queries the response was YES. [2021-04-28 23:12:31,046 INFO L84 FinitePrefix]: Finished finitePrefix Result has 972 conditions, 306 events. 86/306 cut-off events. For 310/332 co-relation queries the response was YES. Maximal size of possible extension queue 81. Compared 2186 event pairs, 48 based on Foata normal form. 11/206 useless extension candidates. Maximal degree in co-relation 953. Up to 146 conditions per place. [2021-04-28 23:12:31,048 INFO L132 encePairwiseOnDemand]: 267/272 looper letters, 6 selfloop transitions, 8 changer transitions 0/44 dead transitions. [2021-04-28 23:12:31,049 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 44 transitions, 290 flow [2021-04-28 23:12:31,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-28 23:12:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-28 23:12:31,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 649 transitions. [2021-04-28 23:12:31,052 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.5965073529411765 [2021-04-28 23:12:31,053 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 649 transitions. [2021-04-28 23:12:31,053 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 649 transitions. [2021-04-28 23:12:31,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:31,054 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 649 transitions. [2021-04-28 23:12:31,057 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 162.25) internal successors, (649), 4 states have internal predecessors, (649), 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 23:12:31,060 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 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 23:12:31,062 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 272.0) internal successors, (1360), 5 states have internal predecessors, (1360), 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 23:12:31,062 INFO L185 Difference]: Start difference. First operand has 43 places, 44 transitions, 262 flow. Second operand 4 states and 649 transitions. [2021-04-28 23:12:31,062 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 44 transitions, 290 flow [2021-04-28 23:12:31,067 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 290 flow, removed 0 selfloop flow, removed 0 redundant places. [2021-04-28 23:12:31,069 INFO L241 Difference]: Finished difference. Result has 47 places, 44 transitions, 286 flow [2021-04-28 23:12:31,070 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=286, PETRI_PLACES=47, PETRI_TRANSITIONS=44} [2021-04-28 23:12:31,070 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -59 predicate places. [2021-04-28 23:12:31,070 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:31,070 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 44 transitions, 286 flow [2021-04-28 23:12:31,071 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 44 transitions, 286 flow [2021-04-28 23:12:31,071 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 47 places, 44 transitions, 286 flow [2021-04-28 23:12:31,120 INFO L129 PetriNetUnfolder]: 114/334 cut-off events. [2021-04-28 23:12:31,120 INFO L130 PetriNetUnfolder]: For 326/334 co-relation queries the response was YES. [2021-04-28 23:12:31,122 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1062 conditions, 334 events. 114/334 cut-off events. For 326/334 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 2322 event pairs, 46 based on Foata normal form. 1/206 useless extension candidates. Maximal degree in co-relation 1042. Up to 171 conditions per place. [2021-04-28 23:12:31,125 INFO L146 LiptonReduction]: Number of co-enabled transitions 336 [2021-04-28 23:12:31,134 INFO L158 LiptonReduction]: Checked pairs total: 345 [2021-04-28 23:12:31,134 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:31,134 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 64 [2021-04-28 23:12:31,140 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 44 transitions, 286 flow [2021-04-28 23:12:31,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 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 23:12:31,141 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:31,142 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:31,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-28 23:12:31,142 INFO L428 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:31,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:31,153 INFO L82 PathProgramCache]: Analyzing trace with hash -827886045, now seen corresponding path program 1 times [2021-04-28 23:12:31,153 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:31,154 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358236384] [2021-04-28 23:12:31,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:31,276 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:12:31,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,280 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-28 23:12:31,288 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,290 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-28 23:12:31,299 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,299 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:12:31,300 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 23:12:31,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358236384] [2021-04-28 23:12:31,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:31,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:12:31,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511783219] [2021-04-28 23:12:31,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:12:31,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:31,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:12:31,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:12:31,304 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 272 [2021-04-28 23:12:31,306 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 44 transitions, 286 flow. Second operand has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 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 23:12:31,306 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:31,306 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 272 [2021-04-28 23:12:31,306 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:31,425 INFO L129 PetriNetUnfolder]: 47/234 cut-off events. [2021-04-28 23:12:31,425 INFO L130 PetriNetUnfolder]: For 307/345 co-relation queries the response was YES. [2021-04-28 23:12:31,426 INFO L84 FinitePrefix]: Finished finitePrefix Result has 922 conditions, 234 events. 47/234 cut-off events. For 307/345 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1684 event pairs, 0 based on Foata normal form. 57/204 useless extension candidates. Maximal degree in co-relation 900. Up to 119 conditions per place. [2021-04-28 23:12:31,427 INFO L132 encePairwiseOnDemand]: 263/272 looper letters, 2 selfloop transitions, 21 changer transitions 7/51 dead transitions. [2021-04-28 23:12:31,427 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 51 transitions, 384 flow [2021-04-28 23:12:31,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:12:31,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:12:31,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1309 transitions. [2021-04-28 23:12:31,433 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6875 [2021-04-28 23:12:31,433 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1309 transitions. [2021-04-28 23:12:31,433 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1309 transitions. [2021-04-28 23:12:31,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:31,434 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1309 transitions. [2021-04-28 23:12:31,438 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 187.0) internal successors, (1309), 7 states have internal predecessors, (1309), 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 23:12:31,442 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 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 23:12:31,444 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 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 23:12:31,444 INFO L185 Difference]: Start difference. First operand has 47 places, 44 transitions, 286 flow. Second operand 7 states and 1309 transitions. [2021-04-28 23:12:31,444 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 51 transitions, 384 flow [2021-04-28 23:12:31,448 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 51 places, 51 transitions, 368 flow, removed 2 selfloop flow, removed 2 redundant places. [2021-04-28 23:12:31,449 INFO L241 Difference]: Finished difference. Result has 54 places, 44 transitions, 340 flow [2021-04-28 23:12:31,450 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=270, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=20, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=340, PETRI_PLACES=54, PETRI_TRANSITIONS=44} [2021-04-28 23:12:31,450 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -52 predicate places. [2021-04-28 23:12:31,450 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:31,450 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 54 places, 44 transitions, 340 flow [2021-04-28 23:12:31,451 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 54 places, 44 transitions, 340 flow [2021-04-28 23:12:31,451 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 52 places, 44 transitions, 340 flow [2021-04-28 23:12:31,477 INFO L129 PetriNetUnfolder]: 29/178 cut-off events. [2021-04-28 23:12:31,477 INFO L130 PetriNetUnfolder]: For 292/304 co-relation queries the response was YES. [2021-04-28 23:12:31,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 178 events. 29/178 cut-off events. For 292/304 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 1104 event pairs, 0 based on Foata normal form. 0/129 useless extension candidates. Maximal degree in co-relation 729. Up to 84 conditions per place. [2021-04-28 23:12:31,481 INFO L146 LiptonReduction]: Number of co-enabled transitions 262 [2021-04-28 23:12:31,489 INFO L158 LiptonReduction]: Checked pairs total: 297 [2021-04-28 23:12:31,489 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:31,489 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 39 [2021-04-28 23:12:31,492 INFO L480 AbstractCegarLoop]: Abstraction has has 52 places, 44 transitions, 340 flow [2021-04-28 23:12:31,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 183.8) internal successors, (919), 5 states have internal predecessors, (919), 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 23:12:31,493 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:31,493 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:31,493 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-28 23:12:31,493 INFO L428 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:31,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:31,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1445919846, now seen corresponding path program 1 times [2021-04-28 23:12:31,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:31,496 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355896094] [2021-04-28 23:12:31,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-28 23:12:31,645 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,646 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-28 23:12:31,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-04-28 23:12:31,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-04-28 23:12:31,665 INFO L142 QuantifierPusher]: treesize reduction 24, result has 63.6 percent of original size [2021-04-28 23:12:31,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-04-28 23:12:31,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-28 23:12:31,681 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-28 23:12:31,689 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 23:12:31,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355896094] [2021-04-28 23:12:31,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-28 23:12:31,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-28 23:12:31,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402311550] [2021-04-28 23:12:31,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-28 23:12:31,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-28 23:12:31,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-28 23:12:31,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-04-28 23:12:31,694 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 272 [2021-04-28 23:12:31,695 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 52 places, 44 transitions, 340 flow. Second operand has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 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 23:12:31,696 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-28 23:12:31,696 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 272 [2021-04-28 23:12:31,696 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-28 23:12:31,930 INFO L129 PetriNetUnfolder]: 68/338 cut-off events. [2021-04-28 23:12:31,930 INFO L130 PetriNetUnfolder]: For 1130/1210 co-relation queries the response was YES. [2021-04-28 23:12:31,931 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1511 conditions, 338 events. 68/338 cut-off events. For 1130/1210 co-relation queries the response was YES. Maximal size of possible extension queue 78. Compared 2474 event pairs, 1 based on Foata normal form. 50/286 useless extension candidates. Maximal degree in co-relation 1486. Up to 161 conditions per place. [2021-04-28 23:12:31,933 INFO L132 encePairwiseOnDemand]: 262/272 looper letters, 7 selfloop transitions, 10 changer transitions 23/63 dead transitions. [2021-04-28 23:12:31,933 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 58 places, 63 transitions, 517 flow [2021-04-28 23:12:31,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-28 23:12:31,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-28 23:12:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 922 transitions. [2021-04-28 23:12:31,939 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.4842436974789916 [2021-04-28 23:12:31,939 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 922 transitions. [2021-04-28 23:12:31,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 922 transitions. [2021-04-28 23:12:31,940 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-28 23:12:31,941 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 922 transitions. [2021-04-28 23:12:31,944 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 131.71428571428572) internal successors, (922), 7 states have internal predecessors, (922), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-28 23:12:31,947 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 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 23:12:31,948 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 272.0) internal successors, (2176), 8 states have internal predecessors, (2176), 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 23:12:31,949 INFO L185 Difference]: Start difference. First operand has 52 places, 44 transitions, 340 flow. Second operand 7 states and 922 transitions. [2021-04-28 23:12:31,949 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 58 places, 63 transitions, 517 flow [2021-04-28 23:12:31,963 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 63 transitions, 444 flow, removed 19 selfloop flow, removed 6 redundant places. [2021-04-28 23:12:31,965 INFO L241 Difference]: Finished difference. Result has 56 places, 39 transitions, 269 flow [2021-04-28 23:12:31,966 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=272, PETRI_DIFFERENCE_MINUEND_FLOW=275, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=44, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=36, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=269, PETRI_PLACES=56, PETRI_TRANSITIONS=39} [2021-04-28 23:12:31,966 INFO L343 CegarLoopForPetriNet]: 106 programPoint places, -50 predicate places. [2021-04-28 23:12:31,966 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-28 23:12:31,966 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 39 transitions, 269 flow [2021-04-28 23:12:31,967 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 39 transitions, 269 flow [2021-04-28 23:12:31,967 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 39 transitions, 269 flow [2021-04-28 23:12:31,987 INFO L129 PetriNetUnfolder]: 13/101 cut-off events. [2021-04-28 23:12:31,988 INFO L130 PetriNetUnfolder]: For 126/129 co-relation queries the response was YES. [2021-04-28 23:12:31,988 INFO L84 FinitePrefix]: Finished finitePrefix Result has 360 conditions, 101 events. 13/101 cut-off events. For 126/129 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 484 event pairs, 1 based on Foata normal form. 2/77 useless extension candidates. Maximal degree in co-relation 336. Up to 40 conditions per place. [2021-04-28 23:12:31,990 INFO L146 LiptonReduction]: Number of co-enabled transitions 158 [2021-04-28 23:12:31,995 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-28 23:12:31,995 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-28 23:12:31,995 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 29 [2021-04-28 23:12:31,997 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 39 transitions, 269 flow [2021-04-28 23:12:31,997 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 129.0) internal successors, (645), 5 states have internal predecessors, (645), 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 23:12:31,997 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-28 23:12:31,998 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-28 23:12:31,998 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-28 23:12:31,998 INFO L428 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-28 23:12:31,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-28 23:12:31,999 INFO L82 PathProgramCache]: Analyzing trace with hash -919356873, now seen corresponding path program 1 times [2021-04-28 23:12:31,999 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-28 23:12:31,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289965040] [2021-04-28 23:12:31,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-28 23:12:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:12:32,049 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:12:32,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-04-28 23:12:32,118 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-04-28 23:12:32,159 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-04-28 23:12:32,160 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-04-28 23:12:32,160 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-04-28 23:12:32,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.04 11:12:32 BasicIcfg [2021-04-28 23:12:32,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-28 23:12:32,308 INFO L168 Benchmark]: Toolchain (without parser) took 28824.41 ms. Allocated memory was 302.0 MB in the beginning and 645.9 MB in the end (delta: 343.9 MB). Free memory was 276.8 MB in the beginning and 277.2 MB in the end (delta: -388.7 kB). Peak memory consumption was 345.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,308 INFO L168 Benchmark]: CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-04-28 23:12:32,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 829.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 279.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,309 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.21 ms. Allocated memory is still 302.0 MB. Free memory was 279.4 MB in the beginning and 276.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,309 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 274.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,312 INFO L168 Benchmark]: RCFGBuilder took 2165.62 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.4 MB in the beginning and 301.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 171.8 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,313 INFO L168 Benchmark]: TraceAbstraction took 25639.61 ms. Allocated memory was 362.8 MB in the beginning and 645.9 MB in the end (delta: 283.1 MB). Free memory was 300.7 MB in the beginning and 277.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 305.6 MB. Max. memory is 16.0 GB. [2021-04-28 23:12:32,317 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.84 ms. Allocated memory is still 302.0 MB. Free memory is still 271.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 829.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.8 MB in the beginning and 279.4 MB in the end (delta: -5.6 MB). Peak memory consumption was 33.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 92.21 ms. Allocated memory is still 302.0 MB. Free memory was 279.4 MB in the beginning and 276.5 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 274.4 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2165.62 ms. Allocated memory was 302.0 MB in the beginning and 362.8 MB in the end (delta: 60.8 MB). Free memory was 274.4 MB in the beginning and 301.8 MB in the end (delta: -27.4 MB). Peak memory consumption was 171.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 25639.61 ms. Allocated memory was 362.8 MB in the beginning and 645.9 MB in the end (delta: 283.1 MB). Free memory was 300.7 MB in the beginning and 277.2 MB in the end (delta: 23.5 MB). Peak memory consumption was 305.6 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21538.2ms, 85 PlacesBefore, 106 PlacesAfterwards, 80 TransitionsBefore, 100 TransitionsAfterwards, 992 CoEnabledTransitionPairs, 8 FixpointIterations, 113 TrivialSequentialCompositions, 75 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 190 TotalNumberOfCompositions, 8910 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2608, positive: 2406, positive conditional: 2406, positive unconditional: 0, negative: 202, negative conditional: 202, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1241, positive: 1183, positive conditional: 0, positive unconditional: 1183, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1241, positive: 1183, positive conditional: 0, positive unconditional: 1183, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1241, positive: 1169, positive conditional: 0, positive unconditional: 1169, negative: 72, negative conditional: 0, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 72, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 901, positive: 51, positive conditional: 0, positive unconditional: 51, negative: 850, negative conditional: 0, negative unconditional: 850, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2608, positive: 1223, positive conditional: 1223, positive unconditional: 0, negative: 144, negative conditional: 144, negative unconditional: 0, unknown: 1241, unknown conditional: 1241, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1229, Positive cache size: 1175, Positive conditional cache size: 1175, Positive unconditional cache size: 0, Negative cache size: 54, Negative conditional cache size: 54, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 182.8ms, 103 PlacesBefore, 58 PlacesAfterwards, 51 TransitionsBefore, 51 TransitionsAfterwards, 1100 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 1464 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 323, positive: 259, positive conditional: 259, positive unconditional: 0, negative: 64, negative conditional: 64, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 45, positive: 20, positive conditional: 0, positive unconditional: 20, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 17, negative conditional: 2, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 158, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 114, negative conditional: 38, negative unconditional: 76, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 323, positive: 231, positive conditional: 231, positive unconditional: 0, negative: 47, negative conditional: 47, negative unconditional: 0, unknown: 45, unknown conditional: 45, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1274, Positive cache size: 1203, Positive conditional cache size: 1203, Positive unconditional cache size: 0, Negative cache size: 71, Negative conditional cache size: 71, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 213.9ms, 60 PlacesBefore, 39 PlacesAfterwards, 33 TransitionsBefore, 33 TransitionsAfterwards, 530 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 60, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 17, negative conditional: 17, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 4, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 4, positive unconditional: 9, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 192, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 192, negative conditional: 0, negative unconditional: 192, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 60, positive: 30, positive conditional: 30, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 18, unknown conditional: 18, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1292, Positive cache size: 1216, Positive conditional cache size: 1216, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 193.2ms, 43 PlacesBefore, 36 PlacesAfterwards, 34 TransitionsBefore, 34 TransitionsAfterwards, 332 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 285 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 58, positive: 40, positive conditional: 40, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20, positive: 16, positive conditional: 5, positive unconditional: 11, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 20, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 10, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 4, negative conditional: 3, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 162, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 142, negative conditional: 109, negative unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 58, positive: 24, positive conditional: 24, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 20, unknown conditional: 20, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1312, Positive cache size: 1232, Positive conditional cache size: 1232, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.2ms, 43 PlacesBefore, 43 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 2, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 13, positive conditional: 13, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1314, Positive cache size: 1234, Positive conditional cache size: 1234, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 63.2ms, 47 PlacesBefore, 47 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 336 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 345 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 30, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 30, positive: 9, positive conditional: 9, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1314, Positive cache size: 1234, Positive conditional cache size: 1234, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 38.3ms, 54 PlacesBefore, 52 PlacesAfterwards, 44 TransitionsBefore, 44 TransitionsAfterwards, 262 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 297 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 63, positive: 42, positive conditional: 42, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 6, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 6, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 63, positive: 36, positive conditional: 36, positive unconditional: 0, negative: 21, negative conditional: 21, negative unconditional: 0, unknown: 6, unknown conditional: 6, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1320, Positive cache size: 1240, Positive conditional cache size: 1240, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 28.4ms, 56 PlacesBefore, 54 PlacesAfterwards, 39 TransitionsBefore, 39 TransitionsAfterwards, 158 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1320, Positive cache size: 1240, Positive conditional cache size: 1240, Positive unconditional cache size: 0, Negative cache size: 80, Negative conditional cache size: 80, 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$tmp_guard1; [L716] 0 int x = 0; [L717] 0 _Bool x$flush_delayed; [L718] 0 int x$mem_tmp; [L719] 0 _Bool x$r_buff0_thd0; [L720] 0 _Bool x$r_buff0_thd1; [L721] 0 _Bool x$r_buff0_thd2; [L722] 0 _Bool x$r_buff1_thd0; [L723] 0 _Bool x$r_buff1_thd1; [L724] 0 _Bool x$r_buff1_thd2; [L725] 0 _Bool x$read_delayed; [L726] 0 int *x$read_delayed_var; [L727] 0 int x$w_buff0; [L728] 0 _Bool x$w_buff0_used; [L729] 0 int x$w_buff1; [L730] 0 _Bool x$w_buff1_used; [L732] 0 int y = 0; [L733] 0 _Bool weak$$choice0; [L734] 0 _Bool weak$$choice2; [L810] 0 pthread_t t1707; [L811] FCALL, FORK 0 pthread_create(&t1707, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L738] 1 x$w_buff1 = x$w_buff0 [L739] 1 x$w_buff0 = 1 [L740] 1 x$w_buff1_used = x$w_buff0_used [L741] 1 x$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L743] 1 x$r_buff1_thd0 = x$r_buff0_thd0 [L744] 1 x$r_buff1_thd1 = x$r_buff0_thd1 [L745] 1 x$r_buff1_thd2 = x$r_buff0_thd2 [L746] 1 x$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L749] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L812] 0 pthread_t t1708; [L813] FCALL, FORK 0 pthread_create(&t1708, ((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, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L766] 2 y = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L769] 2 __unbuffered_p1_EAX = y 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$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L772] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L773] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L774] 2 x$flush_delayed = weak$$choice2 [L775] 2 x$mem_tmp = x [L776] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L776] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0) [L777] EXPR 2 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L777] 2 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0)) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1) [L778] EXPR 2 weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L778] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1)) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used) [L779] EXPR 2 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L779] 2 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used)) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L780] EXPR 2 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L780] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2) [L781] EXPR 2 weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L781] 2 x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2)) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] EXPR 2 !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0) [L782] EXPR 2 weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L782] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L783] 2 __unbuffered_p1_EBX = x [L784] EXPR 2 x$flush_delayed ? x$mem_tmp : x [L784] 2 x = x$flush_delayed ? x$mem_tmp : x [L785] 2 x$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=2] [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] EXPR 2 x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x [L788] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L788] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L789] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L789] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L790] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L790] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L791] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L791] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2 [L792] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L792] 2 x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$r_buff1_thd2 [L752] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L752] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L753] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L753] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L754] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L754] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L755] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L755] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L756] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L756] 1 x$r_buff1_thd1 = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$r_buff1_thd1 [L795] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L797] 2 return 0; [L759] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L761] 1 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=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] [L815] 0 main$tmp_guard0 = __unbuffered_cnt == 2 [L3] COND FALSE 0 !(!cond) [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] EXPR 0 x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x [L819] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L819] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L820] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L820] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L821] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L821] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L822] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L822] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L823] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L823] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L826] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=1, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 11.5ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 25335.5ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1533.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21643.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 77 SDtfs, 43 SDslu, 40 SDs, 0 SdLazy, 207 SolverSat, 59 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 361.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 145.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=340occurred in iteration=6, InterpolantAutomatonStates: 33, 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: 36.7ms SsaConstructionTime, 367.2ms SatisfiabilityAnalysisTime, 566.5ms InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 418 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...