/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-RepeatedVariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/mix004_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-25 04:27:49,700 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-25 04:27:49,703 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-25 04:27:49,746 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-25 04:27:49,746 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-25 04:27:49,749 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-25 04:27:49,752 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-25 04:27:49,757 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-25 04:27:49,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-25 04:27:49,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-25 04:27:49,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-25 04:27:49,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-25 04:27:49,767 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-25 04:27:49,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-25 04:27:49,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-25 04:27:49,772 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-25 04:27:49,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-25 04:27:49,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-25 04:27:49,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-25 04:27:49,786 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-25 04:27:49,787 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-25 04:27:49,788 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-25 04:27:49,789 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-25 04:27:49,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-25 04:27:49,792 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-25 04:27:49,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-25 04:27:49,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-25 04:27:49,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-25 04:27:49,793 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-25 04:27:49,794 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-25 04:27:49,794 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-25 04:27:49,795 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-25 04:27:49,795 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-25 04:27:49,796 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-25 04:27:49,797 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-25 04:27:49,797 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-25 04:27:49,798 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-25 04:27:49,798 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-25 04:27:49,798 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-25 04:27:49,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-25 04:27:49,799 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-25 04:27:49,800 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-RepeatedVariableLbe.epf [2021-03-25 04:27:49,818 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-25 04:27:49,818 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-25 04:27:49,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-25 04:27:49,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-25 04:27:49,820 INFO L138 SettingsManager]: * Use SBE=true [2021-03-25 04:27:49,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-25 04:27:49,820 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-25 04:27:49,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-25 04:27:49,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-25 04:27:49,821 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-25 04:27:49,822 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-25 04:27:49,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-25 04:27:49,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-25 04:27:49,822 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-25 04:27:49,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-25 04:27:49,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-25 04:27:49,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-25 04:27:49,823 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-03-25 04:27:49,824 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-25 04:27:50,136 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-25 04:27:50,158 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-25 04:27:50,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-25 04:27:50,161 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-25 04:27:50,161 INFO L275 PluginConnector]: CDTParser initialized [2021-03-25 04:27:50,162 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix004_power.oepc.i [2021-03-25 04:27:50,219 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42676ed47/90659280392240e9b91c10d4070f1510/FLAGcbce3497d [2021-03-25 04:27:50,765 INFO L306 CDTParser]: Found 1 translation units. [2021-03-25 04:27:50,766 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix004_power.oepc.i [2021-03-25 04:27:50,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42676ed47/90659280392240e9b91c10d4070f1510/FLAGcbce3497d [2021-03-25 04:27:51,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42676ed47/90659280392240e9b91c10d4070f1510 [2021-03-25 04:27:51,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-25 04:27:51,080 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-25 04:27:51,081 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-25 04:27:51,081 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-25 04:27:51,084 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-25 04:27:51,085 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,086 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1faf490a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51, skipping insertion in model container [2021-03-25 04:27:51,086 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,091 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-25 04:27:51,139 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-25 04:27:51,320 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/mix004_power.oepc.i[951,964] [2021-03-25 04:27:51,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:27:51,482 INFO L203 MainTranslator]: Completed pre-run [2021-03-25 04:27:51,495 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/mix004_power.oepc.i[951,964] [2021-03-25 04:27:51,573 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-25 04:27:51,652 INFO L208 MainTranslator]: Completed translation [2021-03-25 04:27:51,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51 WrapperNode [2021-03-25 04:27:51,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-25 04:27:51,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-25 04:27:51,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-25 04:27:51,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-25 04:27:51,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,691 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-25 04:27:51,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-25 04:27:51,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-25 04:27:51,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-25 04:27:51,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,722 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,740 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (1/1) ... [2021-03-25 04:27:51,743 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-25 04:27:51,744 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-25 04:27:51,744 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-25 04:27:51,744 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-25 04:27:51,745 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (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 [2021-03-25 04:27:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-25 04:27:51,824 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-25 04:27:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-25 04:27:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-25 04:27:51,825 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-25 04:27:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-25 04:27:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-25 04:27:51,826 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-25 04:27:51,826 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-25 04:27:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-25 04:27:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-03-25 04:27:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-03-25 04:27:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-25 04:27:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-25 04:27:51,827 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-25 04:27:51,827 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-25 04:27:51,829 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-25 04:27:53,805 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-25 04:27:53,805 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-25 04:27:53,806 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:27:53 BoogieIcfgContainer [2021-03-25 04:27:53,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-25 04:27:53,808 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-25 04:27:53,808 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-25 04:27:53,810 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-25 04:27:53,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.03 04:27:51" (1/3) ... [2021-03-25 04:27:53,811 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bcdb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:27:53, skipping insertion in model container [2021-03-25 04:27:53,811 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.03 04:27:51" (2/3) ... [2021-03-25 04:27:53,812 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73bcdb42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.03 04:27:53, skipping insertion in model container [2021-03-25 04:27:53,812 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.03 04:27:53" (3/3) ... [2021-03-25 04:27:53,813 INFO L111 eAbstractionObserver]: Analyzing ICFG mix004_power.oepc.i [2021-03-25 04:27:53,818 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-25 04:27:53,822 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-25 04:27:53,822 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-25 04:27:53,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,858 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,858 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,859 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,860 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,861 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,862 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,863 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,864 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,865 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,866 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,867 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,867 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,868 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,869 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,870 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,871 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,871 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,872 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,873 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,874 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,875 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,876 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,877 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,879 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,880 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,881 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,882 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,884 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,885 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,886 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,887 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,888 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,889 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,890 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,891 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,892 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,893 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,900 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,901 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,902 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,902 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,903 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,905 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-25 04:27:53,907 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-25 04:27:53,922 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-03-25 04:27:53,939 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-25 04:27:53,939 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-25 04:27:53,939 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-25 04:27:53,939 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-25 04:27:53,939 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-25 04:27:53,939 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-25 04:27:53,939 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-25 04:27:53,939 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-25 04:27:53,949 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 132 places, 121 transitions, 262 flow [2021-03-25 04:27:53,985 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-03-25 04:27:53,985 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:53,989 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 93 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 04:27:53,990 INFO L82 GeneralOperation]: Start removeDead. Operand has 132 places, 121 transitions, 262 flow [2021-03-25 04:27:53,994 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 128 places, 117 transitions, 246 flow [2021-03-25 04:27:53,995 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:27:54,003 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 128 places, 117 transitions, 246 flow [2021-03-25 04:27:54,006 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 128 places, 117 transitions, 246 flow [2021-03-25 04:27:54,008 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 128 places, 117 transitions, 246 flow [2021-03-25 04:27:54,027 INFO L129 PetriNetUnfolder]: 2/117 cut-off events. [2021-03-25 04:27:54,027 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:54,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 130 conditions, 117 events. 2/117 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 95 event pairs, 0 based on Foata normal form. 0/113 useless extension candidates. Maximal degree in co-relation 78. Up to 2 conditions per place. [2021-03-25 04:27:54,031 INFO L142 LiptonReduction]: Number of co-enabled transitions 2886 [2021-03-25 04:27:55,179 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-25 04:27:55,581 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 81 [2021-03-25 04:27:55,703 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-03-25 04:27:56,776 INFO L154 LiptonReduction]: Checked pairs total: 5692 [2021-03-25 04:27:56,776 INFO L156 LiptonReduction]: Total number of compositions: 77 [2021-03-25 04:27:56,778 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 2784 [2021-03-25 04:27:56,787 INFO L129 PetriNetUnfolder]: 0/14 cut-off events. [2021-03-25 04:27:56,787 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:56,787 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:27:56,788 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:27:56,788 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:27:56,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:27:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash -554722086, now seen corresponding path program 1 times [2021-03-25 04:27:56,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:27:56,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622322662] [2021-03-25 04:27:56,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:27:56,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:27:57,009 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:57,010 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:27:57,011 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:57,011 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:27:57,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:27:57,017 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622322662] [2021-03-25 04:27:57,017 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:27:57,017 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:27:57,018 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181629252] [2021-03-25 04:27:57,024 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-25 04:27:57,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:27:57,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-25 04:27:57,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-25 04:27:57,035 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 176 out of 198 [2021-03-25 04:27:57,037 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 50 transitions, 112 flow. Second operand has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-03-25 04:27:57,038 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:27:57,038 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 176 of 198 [2021-03-25 04:27:57,038 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:27:57,139 INFO L129 PetriNetUnfolder]: 133/342 cut-off events. [2021-03-25 04:27:57,139 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:57,141 INFO L84 FinitePrefix]: Finished finitePrefix Result has 561 conditions, 342 events. 133/342 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 1825 event pairs, 110 based on Foata normal form. 33/355 useless extension candidates. Maximal degree in co-relation 538. Up to 153 conditions per place. [2021-03-25 04:27:57,144 INFO L132 encePairwiseOnDemand]: 194/198 looper letters, 11 selfloop transitions, 2 changer transitions 0/52 dead transitions. [2021-03-25 04:27:57,144 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 52 transitions, 142 flow [2021-03-25 04:27:57,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:27:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:27:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 544 transitions. [2021-03-25 04:27:57,156 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.9158249158249159 [2021-03-25 04:27:57,157 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 544 transitions. [2021-03-25 04:27:57,157 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 544 transitions. [2021-03-25 04:27:57,159 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:27:57,161 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 544 transitions. [2021-03-25 04:27:57,164 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 181.33333333333334) internal successors, (544), 3 states have internal predecessors, (544), 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) [2021-03-25 04:27:57,170 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2021-03-25 04:27:57,170 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 198.0) internal successors, (792), 4 states have internal predecessors, (792), 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) [2021-03-25 04:27:57,172 INFO L185 Difference]: Start difference. First operand has 62 places, 50 transitions, 112 flow. Second operand 3 states and 544 transitions. [2021-03-25 04:27:57,173 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 52 transitions, 142 flow [2021-03-25 04:27:57,175 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 52 transitions, 138 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-25 04:27:57,176 INFO L241 Difference]: Finished difference. Result has 58 places, 47 transitions, 106 flow [2021-03-25 04:27:57,178 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=198, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=56, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=47, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=106, PETRI_PLACES=58, PETRI_TRANSITIONS=47} [2021-03-25 04:27:57,178 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -4 predicate places. [2021-03-25 04:27:57,179 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:27:57,179 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 47 transitions, 106 flow [2021-03-25 04:27:57,179 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 47 transitions, 106 flow [2021-03-25 04:27:57,179 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 58 places, 47 transitions, 106 flow [2021-03-25 04:27:57,185 INFO L129 PetriNetUnfolder]: 0/47 cut-off events. [2021-03-25 04:27:57,185 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:57,185 INFO L84 FinitePrefix]: Finished finitePrefix Result has 59 conditions, 47 events. 0/47 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 60 event pairs, 0 based on Foata normal form. 0/45 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2021-03-25 04:27:57,186 INFO L142 LiptonReduction]: Number of co-enabled transitions 666 [2021-03-25 04:27:58,356 INFO L154 LiptonReduction]: Checked pairs total: 2958 [2021-03-25 04:27:58,356 INFO L156 LiptonReduction]: Total number of compositions: 14 [2021-03-25 04:27:58,356 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1177 [2021-03-25 04:27:58,358 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 33 transitions, 78 flow [2021-03-25 04:27:58,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 176.66666666666666) internal successors, (530), 3 states have internal predecessors, (530), 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) [2021-03-25 04:27:58,358 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:27:58,358 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:27:58,359 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-25 04:27:58,360 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:27:58,361 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:27:58,361 INFO L82 PathProgramCache]: Analyzing trace with hash 1604568869, now seen corresponding path program 1 times [2021-03-25 04:27:58,363 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:27:58,363 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523686843] [2021-03-25 04:27:58,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:27:58,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:27:58,452 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:58,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:27:58,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:27:58,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:27:58,461 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-25 04:27:58,461 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-25 04:27:58,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:27:58,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523686843] [2021-03-25 04:27:58,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:27:58,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:27:58,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358406651] [2021-03-25 04:27:58,466 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:27:58,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:27:58,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:27:58,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:27:58,468 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 187 out of 212 [2021-03-25 04:27:58,469 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 33 transitions, 78 flow. Second operand has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 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) [2021-03-25 04:27:58,469 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:27:58,469 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 187 of 212 [2021-03-25 04:27:58,469 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:27:58,493 INFO L129 PetriNetUnfolder]: 1/35 cut-off events. [2021-03-25 04:27:58,493 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:58,493 INFO L84 FinitePrefix]: Finished finitePrefix Result has 54 conditions, 35 events. 1/35 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 65 event pairs, 0 based on Foata normal form. 0/33 useless extension candidates. Maximal degree in co-relation 43. Up to 3 conditions per place. [2021-03-25 04:27:58,494 INFO L132 encePairwiseOnDemand]: 208/212 looper letters, 1 selfloop transitions, 2 changer transitions 4/35 dead transitions. [2021-03-25 04:27:58,494 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 35 transitions, 94 flow [2021-03-25 04:27:58,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:27:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:27:58,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 942 transitions. [2021-03-25 04:27:58,496 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8886792452830189 [2021-03-25 04:27:58,496 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 942 transitions. [2021-03-25 04:27:58,496 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 942 transitions. [2021-03-25 04:27:58,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:27:58,497 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 942 transitions. [2021-03-25 04:27:58,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 188.4) internal successors, (942), 5 states have internal predecessors, (942), 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) [2021-03-25 04:27:58,501 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 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) [2021-03-25 04:27:58,502 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 212.0) internal successors, (1272), 6 states have internal predecessors, (1272), 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) [2021-03-25 04:27:58,502 INFO L185 Difference]: Start difference. First operand has 44 places, 33 transitions, 78 flow. Second operand 5 states and 942 transitions. [2021-03-25 04:27:58,502 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 35 transitions, 94 flow [2021-03-25 04:27:58,503 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 35 transitions, 90 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:27:58,503 INFO L241 Difference]: Finished difference. Result has 47 places, 31 transitions, 78 flow [2021-03-25 04:27:58,503 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=212, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=78, PETRI_PLACES=47, PETRI_TRANSITIONS=31} [2021-03-25 04:27:58,504 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -15 predicate places. [2021-03-25 04:27:58,504 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:27:58,504 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 47 places, 31 transitions, 78 flow [2021-03-25 04:27:58,504 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 47 places, 31 transitions, 78 flow [2021-03-25 04:27:58,505 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 78 flow [2021-03-25 04:27:58,508 INFO L129 PetriNetUnfolder]: 0/31 cut-off events. [2021-03-25 04:27:58,508 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-25 04:27:58,508 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 31 events. 0/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 47 event pairs, 0 based on Foata normal form. 0/31 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:27:58,509 INFO L142 LiptonReduction]: Number of co-enabled transitions 446 [2021-03-25 04:27:59,190 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:27:59,364 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:27:59,732 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 128 [2021-03-25 04:27:59,945 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 124 [2021-03-25 04:27:59,950 INFO L154 LiptonReduction]: Checked pairs total: 1610 [2021-03-25 04:27:59,950 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:27:59,950 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1446 [2021-03-25 04:27:59,951 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 28 transitions, 72 flow [2021-03-25 04:27:59,951 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 187.75) internal successors, (751), 4 states have internal predecessors, (751), 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) [2021-03-25 04:27:59,952 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:27:59,952 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:27:59,952 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-25 04:27:59,952 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:27:59,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:27:59,952 INFO L82 PathProgramCache]: Analyzing trace with hash -1487951492, now seen corresponding path program 1 times [2021-03-25 04:27:59,952 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:27:59,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79275541] [2021-03-25 04:27:59,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:27:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,028 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,029 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,034 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 04:28:00,035 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:00,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:00,049 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79275541] [2021-03-25 04:28:00,050 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-25 04:28:00,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905148940] [2021-03-25 04:28:00,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:00,051 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:00,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:00,053 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 215 [2021-03-25 04:28:00,054 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 28 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 04:28:00,054 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,054 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 215 [2021-03-25 04:28:00,054 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:00,105 INFO L129 PetriNetUnfolder]: 81/189 cut-off events. [2021-03-25 04:28:00,105 INFO L130 PetriNetUnfolder]: For 36/44 co-relation queries the response was YES. [2021-03-25 04:28:00,108 INFO L84 FinitePrefix]: Finished finitePrefix Result has 375 conditions, 189 events. 81/189 cut-off events. For 36/44 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 824 event pairs, 17 based on Foata normal form. 8/191 useless extension candidates. Maximal degree in co-relation 365. Up to 113 conditions per place. [2021-03-25 04:28:00,112 INFO L132 encePairwiseOnDemand]: 212/215 looper letters, 10 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-25 04:28:00,112 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 32 transitions, 107 flow [2021-03-25 04:28:00,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-25 04:28:00,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-25 04:28:00,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 547 transitions. [2021-03-25 04:28:00,116 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8480620155038759 [2021-03-25 04:28:00,116 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 547 transitions. [2021-03-25 04:28:00,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 547 transitions. [2021-03-25 04:28:00,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:00,116 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 547 transitions. [2021-03-25 04:28:00,119 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 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) [2021-03-25 04:28:00,120 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2021-03-25 04:28:00,120 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 215.0) internal successors, (860), 4 states have internal predecessors, (860), 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) [2021-03-25 04:28:00,120 INFO L185 Difference]: Start difference. First operand has 40 places, 28 transitions, 72 flow. Second operand 3 states and 547 transitions. [2021-03-25 04:28:00,120 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 32 transitions, 107 flow [2021-03-25 04:28:00,121 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 32 transitions, 101 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:00,122 INFO L241 Difference]: Finished difference. Result has 41 places, 28 transitions, 76 flow [2021-03-25 04:28:00,122 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=215, PETRI_DIFFERENCE_MINUEND_FLOW=68, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=76, PETRI_PLACES=41, PETRI_TRANSITIONS=28} [2021-03-25 04:28:00,122 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -21 predicate places. [2021-03-25 04:28:00,122 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:00,122 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 41 places, 28 transitions, 76 flow [2021-03-25 04:28:00,123 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 41 places, 28 transitions, 76 flow [2021-03-25 04:28:00,123 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 28 transitions, 76 flow [2021-03-25 04:28:00,127 INFO L129 PetriNetUnfolder]: 0/28 cut-off events. [2021-03-25 04:28:00,127 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-25 04:28:00,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 28 events. 0/28 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 0/28 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-25 04:28:00,127 INFO L142 LiptonReduction]: Number of co-enabled transitions 412 [2021-03-25 04:28:00,153 INFO L154 LiptonReduction]: Checked pairs total: 948 [2021-03-25 04:28:00,153 INFO L156 LiptonReduction]: Total number of compositions: 1 [2021-03-25 04:28:00,153 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 31 [2021-03-25 04:28:00,153 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 27 transitions, 74 flow [2021-03-25 04:28:00,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 04:28:00,154 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:00,154 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:00,154 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-25 04:28:00,154 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:00,154 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:00,154 INFO L82 PathProgramCache]: Analyzing trace with hash -892407576, now seen corresponding path program 1 times [2021-03-25 04:28:00,155 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:00,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420630546] [2021-03-25 04:28:00,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,199 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,199 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,203 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:00,204 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:00,224 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,224 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:00,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:00,225 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420630546] [2021-03-25 04:28:00,225 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,225 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:00,225 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440946231] [2021-03-25 04:28:00,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:00,225 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:00,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:00,227 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:28:00,227 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 27 transitions, 74 flow. Second operand has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 04:28:00,228 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,228 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:28:00,228 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:00,275 INFO L129 PetriNetUnfolder]: 90/186 cut-off events. [2021-03-25 04:28:00,276 INFO L130 PetriNetUnfolder]: For 15/15 co-relation queries the response was YES. [2021-03-25 04:28:00,276 INFO L84 FinitePrefix]: Finished finitePrefix Result has 385 conditions, 186 events. 90/186 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 29. Compared 795 event pairs, 46 based on Foata normal form. 16/198 useless extension candidates. Maximal degree in co-relation 374. Up to 119 conditions per place. [2021-03-25 04:28:00,277 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 5 changer transitions 9/40 dead transitions. [2021-03-25 04:28:00,277 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 40 transitions, 140 flow [2021-03-25 04:28:00,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:28:00,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:28:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 912 transitions. [2021-03-25 04:28:00,280 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8444444444444444 [2021-03-25 04:28:00,280 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 912 transitions. [2021-03-25 04:28:00,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 912 transitions. [2021-03-25 04:28:00,281 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:00,281 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 912 transitions. [2021-03-25 04:28:00,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 182.4) internal successors, (912), 5 states have internal predecessors, (912), 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) [2021-03-25 04:28:00,285 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 216.0) internal successors, (1296), 6 states have internal predecessors, (1296), 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) [2021-03-25 04:28:00,286 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 216.0) internal successors, (1296), 6 states have internal predecessors, (1296), 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) [2021-03-25 04:28:00,286 INFO L185 Difference]: Start difference. First operand has 40 places, 27 transitions, 74 flow. Second operand 5 states and 912 transitions. [2021-03-25 04:28:00,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 40 transitions, 140 flow [2021-03-25 04:28:00,286 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 40 transitions, 136 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:00,287 INFO L241 Difference]: Finished difference. Result has 45 places, 31 transitions, 115 flow [2021-03-25 04:28:00,287 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=70, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=115, PETRI_PLACES=45, PETRI_TRANSITIONS=31} [2021-03-25 04:28:00,288 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -17 predicate places. [2021-03-25 04:28:00,288 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:00,288 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 45 places, 31 transitions, 115 flow [2021-03-25 04:28:00,288 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 45 places, 31 transitions, 115 flow [2021-03-25 04:28:00,288 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 43 places, 31 transitions, 115 flow [2021-03-25 04:28:00,301 INFO L129 PetriNetUnfolder]: 73/153 cut-off events. [2021-03-25 04:28:00,301 INFO L130 PetriNetUnfolder]: For 98/98 co-relation queries the response was YES. [2021-03-25 04:28:00,302 INFO L84 FinitePrefix]: Finished finitePrefix Result has 422 conditions, 153 events. 73/153 cut-off events. For 98/98 co-relation queries the response was YES. Maximal size of possible extension queue 23. Compared 581 event pairs, 40 based on Foata normal form. 0/149 useless extension candidates. Maximal degree in co-relation 410. Up to 104 conditions per place. [2021-03-25 04:28:00,303 INFO L142 LiptonReduction]: Number of co-enabled transitions 444 [2021-03-25 04:28:00,306 INFO L154 LiptonReduction]: Checked pairs total: 404 [2021-03-25 04:28:00,306 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:00,306 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 18 [2021-03-25 04:28:00,307 INFO L480 AbstractCegarLoop]: Abstraction has has 43 places, 31 transitions, 115 flow [2021-03-25 04:28:00,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 178.75) internal successors, (715), 4 states have internal predecessors, (715), 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) [2021-03-25 04:28:00,308 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:00,308 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:00,308 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-25 04:28:00,308 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:00,308 INFO L82 PathProgramCache]: Analyzing trace with hash -1394174917, now seen corresponding path program 1 times [2021-03-25 04:28:00,308 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:00,309 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478812428] [2021-03-25 04:28:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,392 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,393 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:00,393 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,394 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,396 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:00,401 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478812428] [2021-03-25 04:28:00,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:00,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720420486] [2021-03-25 04:28:00,401 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:00,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:00,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:00,403 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 183 out of 216 [2021-03-25 04:28:00,404 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 43 places, 31 transitions, 115 flow. Second operand has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 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) [2021-03-25 04:28:00,404 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,404 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 183 of 216 [2021-03-25 04:28:00,404 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:00,457 INFO L129 PetriNetUnfolder]: 150/299 cut-off events. [2021-03-25 04:28:00,457 INFO L130 PetriNetUnfolder]: For 275/310 co-relation queries the response was YES. [2021-03-25 04:28:00,459 INFO L84 FinitePrefix]: Finished finitePrefix Result has 846 conditions, 299 events. 150/299 cut-off events. For 275/310 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1527 event pairs, 83 based on Foata normal form. 22/297 useless extension candidates. Maximal degree in co-relation 832. Up to 212 conditions per place. [2021-03-25 04:28:00,460 INFO L132 encePairwiseOnDemand]: 213/216 looper letters, 3 selfloop transitions, 2 changer transitions 0/32 dead transitions. [2021-03-25 04:28:00,460 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 32 transitions, 127 flow [2021-03-25 04:28:00,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-25 04:28:00,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-25 04:28:00,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 738 transitions. [2021-03-25 04:28:00,462 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8541666666666666 [2021-03-25 04:28:00,462 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 738 transitions. [2021-03-25 04:28:00,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 738 transitions. [2021-03-25 04:28:00,463 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:00,463 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 738 transitions. [2021-03-25 04:28:00,465 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 184.5) internal successors, (738), 4 states have internal predecessors, (738), 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) [2021-03-25 04:28:00,467 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 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) [2021-03-25 04:28:00,468 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 216.0) internal successors, (1080), 5 states have internal predecessors, (1080), 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) [2021-03-25 04:28:00,468 INFO L185 Difference]: Start difference. First operand has 43 places, 31 transitions, 115 flow. Second operand 4 states and 738 transitions. [2021-03-25 04:28:00,468 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 32 transitions, 127 flow [2021-03-25 04:28:00,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 32 transitions, 120 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-03-25 04:28:00,471 INFO L241 Difference]: Finished difference. Result has 46 places, 32 transitions, 121 flow [2021-03-25 04:28:00,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=108, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=121, PETRI_PLACES=46, PETRI_TRANSITIONS=32} [2021-03-25 04:28:00,471 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -16 predicate places. [2021-03-25 04:28:00,472 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:00,472 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 32 transitions, 121 flow [2021-03-25 04:28:00,472 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 32 transitions, 121 flow [2021-03-25 04:28:00,473 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 46 places, 32 transitions, 121 flow [2021-03-25 04:28:00,506 INFO L129 PetriNetUnfolder]: 150/299 cut-off events. [2021-03-25 04:28:00,506 INFO L130 PetriNetUnfolder]: For 208/218 co-relation queries the response was YES. [2021-03-25 04:28:00,507 INFO L84 FinitePrefix]: Finished finitePrefix Result has 820 conditions, 299 events. 150/299 cut-off events. For 208/218 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 1579 event pairs, 83 based on Foata normal form. 0/274 useless extension candidates. Maximal degree in co-relation 807. Up to 212 conditions per place. [2021-03-25 04:28:00,512 INFO L142 LiptonReduction]: Number of co-enabled transitions 464 [2021-03-25 04:28:00,520 INFO L154 LiptonReduction]: Checked pairs total: 409 [2021-03-25 04:28:00,521 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:00,521 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 49 [2021-03-25 04:28:00,525 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 32 transitions, 121 flow [2021-03-25 04:28:00,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 184.0) internal successors, (736), 4 states have internal predecessors, (736), 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) [2021-03-25 04:28:00,525 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:00,526 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:00,526 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-25 04:28:00,526 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:00,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:00,535 INFO L82 PathProgramCache]: Analyzing trace with hash 962583451, now seen corresponding path program 2 times [2021-03-25 04:28:00,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:00,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682726160] [2021-03-25 04:28:00,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,614 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,615 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,617 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,617 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,622 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:00,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:00,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:00,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:00,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682726160] [2021-03-25 04:28:00,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-25 04:28:00,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440708706] [2021-03-25 04:28:00,630 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-25 04:28:00,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-25 04:28:00,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-25 04:28:00,631 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:28:00,632 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 32 transitions, 121 flow. Second operand has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 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) [2021-03-25 04:28:00,632 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,632 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:28:00,632 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:00,714 INFO L129 PetriNetUnfolder]: 133/281 cut-off events. [2021-03-25 04:28:00,714 INFO L130 PetriNetUnfolder]: For 213/311 co-relation queries the response was YES. [2021-03-25 04:28:00,715 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1006 conditions, 281 events. 133/281 cut-off events. For 213/311 co-relation queries the response was YES. Maximal size of possible extension queue 46. Compared 1354 event pairs, 29 based on Foata normal form. 41/305 useless extension candidates. Maximal degree in co-relation 991. Up to 213 conditions per place. [2021-03-25 04:28:00,716 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 9 changer transitions 9/45 dead transitions. [2021-03-25 04:28:00,717 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 51 places, 45 transitions, 245 flow [2021-03-25 04:28:00,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-25 04:28:00,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-25 04:28:00,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1094 transitions. [2021-03-25 04:28:00,720 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8441358024691358 [2021-03-25 04:28:00,720 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1094 transitions. [2021-03-25 04:28:00,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1094 transitions. [2021-03-25 04:28:00,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:00,721 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1094 transitions. [2021-03-25 04:28:00,723 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 182.33333333333334) internal successors, (1094), 6 states have internal predecessors, (1094), 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) [2021-03-25 04:28:00,725 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 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) [2021-03-25 04:28:00,725 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 216.0) internal successors, (1512), 7 states have internal predecessors, (1512), 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) [2021-03-25 04:28:00,725 INFO L185 Difference]: Start difference. First operand has 46 places, 32 transitions, 121 flow. Second operand 6 states and 1094 transitions. [2021-03-25 04:28:00,726 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 51 places, 45 transitions, 245 flow [2021-03-25 04:28:00,729 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 45 transitions, 244 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-25 04:28:00,730 INFO L241 Difference]: Finished difference. Result has 53 places, 36 transitions, 192 flow [2021-03-25 04:28:00,730 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=192, PETRI_PLACES=53, PETRI_TRANSITIONS=36} [2021-03-25 04:28:00,730 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -9 predicate places. [2021-03-25 04:28:00,730 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:00,730 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 53 places, 36 transitions, 192 flow [2021-03-25 04:28:00,731 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 53 places, 36 transitions, 192 flow [2021-03-25 04:28:00,731 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 51 places, 36 transitions, 192 flow [2021-03-25 04:28:00,756 INFO L129 PetriNetUnfolder]: 100/221 cut-off events. [2021-03-25 04:28:00,756 INFO L130 PetriNetUnfolder]: For 463/512 co-relation queries the response was YES. [2021-03-25 04:28:00,757 INFO L84 FinitePrefix]: Finished finitePrefix Result has 920 conditions, 221 events. 100/221 cut-off events. For 463/512 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 1014 event pairs, 27 based on Foata normal form. 4/214 useless extension candidates. Maximal degree in co-relation 903. Up to 153 conditions per place. [2021-03-25 04:28:00,759 INFO L142 LiptonReduction]: Number of co-enabled transitions 548 [2021-03-25 04:28:00,764 INFO L154 LiptonReduction]: Checked pairs total: 501 [2021-03-25 04:28:00,764 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:00,764 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 34 [2021-03-25 04:28:00,766 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 36 transitions, 192 flow [2021-03-25 04:28:00,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 178.8) internal successors, (894), 5 states have internal predecessors, (894), 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) [2021-03-25 04:28:00,767 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:00,767 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:00,767 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-25 04:28:00,767 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:00,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:00,767 INFO L82 PathProgramCache]: Analyzing trace with hash -120273369, now seen corresponding path program 1 times [2021-03-25 04:28:00,767 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:00,767 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28820306] [2021-03-25 04:28:00,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:00,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:00,895 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,899 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,902 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,902 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:00,907 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:00,908 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:00,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:00,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:00,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:00,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [28820306] [2021-03-25 04:28:00,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:00,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:28:00,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267009580] [2021-03-25 04:28:00,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-25 04:28:00,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:00,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-25 04:28:00,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-25 04:28:00,919 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 178 out of 216 [2021-03-25 04:28:00,920 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 36 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 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) [2021-03-25 04:28:00,920 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:00,920 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 178 of 216 [2021-03-25 04:28:00,920 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:01,001 INFO L129 PetriNetUnfolder]: 71/173 cut-off events. [2021-03-25 04:28:01,001 INFO L130 PetriNetUnfolder]: For 420/538 co-relation queries the response was YES. [2021-03-25 04:28:01,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 860 conditions, 173 events. 71/173 cut-off events. For 420/538 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 699 event pairs, 4 based on Foata normal form. 47/213 useless extension candidates. Maximal degree in co-relation 841. Up to 131 conditions per place. [2021-03-25 04:28:01,003 INFO L132 encePairwiseOnDemand]: 209/216 looper letters, 6 selfloop transitions, 13 changer transitions 9/49 dead transitions. [2021-03-25 04:28:01,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 49 transitions, 374 flow [2021-03-25 04:28:01,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:28:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:28:01,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1276 transitions. [2021-03-25 04:28:01,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.843915343915344 [2021-03-25 04:28:01,006 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1276 transitions. [2021-03-25 04:28:01,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1276 transitions. [2021-03-25 04:28:01,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:01,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1276 transitions. [2021-03-25 04:28:01,010 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 182.28571428571428) internal successors, (1276), 7 states have internal predecessors, (1276), 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) [2021-03-25 04:28:01,012 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 216.0) internal successors, (1728), 8 states have internal predecessors, (1728), 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) [2021-03-25 04:28:01,013 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 216.0) internal successors, (1728), 8 states have internal predecessors, (1728), 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) [2021-03-25 04:28:01,013 INFO L185 Difference]: Start difference. First operand has 51 places, 36 transitions, 192 flow. Second operand 7 states and 1276 transitions. [2021-03-25 04:28:01,013 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 49 transitions, 374 flow [2021-03-25 04:28:01,016 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 49 transitions, 312 flow, removed 26 selfloop flow, removed 4 redundant places. [2021-03-25 04:28:01,017 INFO L241 Difference]: Finished difference. Result has 56 places, 40 transitions, 242 flow [2021-03-25 04:28:01,017 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=154, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=242, PETRI_PLACES=56, PETRI_TRANSITIONS=40} [2021-03-25 04:28:01,018 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -6 predicate places. [2021-03-25 04:28:01,018 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:01,018 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 56 places, 40 transitions, 242 flow [2021-03-25 04:28:01,018 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 56 places, 40 transitions, 242 flow [2021-03-25 04:28:01,018 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 54 places, 40 transitions, 242 flow [2021-03-25 04:28:01,032 INFO L129 PetriNetUnfolder]: 49/130 cut-off events. [2021-03-25 04:28:01,033 INFO L130 PetriNetUnfolder]: For 315/348 co-relation queries the response was YES. [2021-03-25 04:28:01,033 INFO L84 FinitePrefix]: Finished finitePrefix Result has 547 conditions, 130 events. 49/130 cut-off events. For 315/348 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 511 event pairs, 4 based on Foata normal form. 6/130 useless extension candidates. Maximal degree in co-relation 529. Up to 82 conditions per place. [2021-03-25 04:28:01,035 INFO L142 LiptonReduction]: Number of co-enabled transitions 544 [2021-03-25 04:28:01,039 INFO L154 LiptonReduction]: Checked pairs total: 554 [2021-03-25 04:28:01,039 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:01,039 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 21 [2021-03-25 04:28:01,044 INFO L480 AbstractCegarLoop]: Abstraction has has 54 places, 40 transitions, 242 flow [2021-03-25 04:28:01,044 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 178.83333333333334) internal successors, (1073), 6 states have internal predecessors, (1073), 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) [2021-03-25 04:28:01,044 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:01,044 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:01,045 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-25 04:28:01,045 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:01,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:01,045 INFO L82 PathProgramCache]: Analyzing trace with hash -242728245, now seen corresponding path program 1 times [2021-03-25 04:28:01,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:01,046 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794555548] [2021-03-25 04:28:01,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:01,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:28:01,197 INFO L142 QuantifierPusher]: treesize reduction 7, result has 82.1 percent of original size [2021-03-25 04:28:01,202 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-03-25 04:28:01,229 INFO L142 QuantifierPusher]: treesize reduction 22, result has 80.9 percent of original size [2021-03-25 04:28:01,231 INFO L147 QuantifierPusher]: treesize reduction 9, result has 90.3 percent of original size 84 [2021-03-25 04:28:01,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,268 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-25 04:28:01,281 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:01,284 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:01,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794555548] [2021-03-25 04:28:01,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:01,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-25 04:28:01,300 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742121284] [2021-03-25 04:28:01,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:28:01,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:01,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:28:01,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:28:01,302 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 144 out of 216 [2021-03-25 04:28:01,303 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 40 transitions, 242 flow. Second operand has 7 states, 7 states have (on average 145.71428571428572) internal successors, (1020), 7 states have internal predecessors, (1020), 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) [2021-03-25 04:28:01,303 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:01,303 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 144 of 216 [2021-03-25 04:28:01,303 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:01,825 INFO L129 PetriNetUnfolder]: 1053/2064 cut-off events. [2021-03-25 04:28:01,825 INFO L130 PetriNetUnfolder]: For 3662/4124 co-relation queries the response was YES. [2021-03-25 04:28:01,834 INFO L84 FinitePrefix]: Finished finitePrefix Result has 6597 conditions, 2064 events. 1053/2064 cut-off events. For 3662/4124 co-relation queries the response was YES. Maximal size of possible extension queue 159. Compared 14058 event pairs, 198 based on Foata normal form. 116/2109 useless extension candidates. Maximal degree in co-relation 6577. Up to 652 conditions per place. [2021-03-25 04:28:01,843 INFO L132 encePairwiseOnDemand]: 203/216 looper letters, 47 selfloop transitions, 18 changer transitions 0/90 dead transitions. [2021-03-25 04:28:01,843 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 90 transitions, 557 flow [2021-03-25 04:28:01,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:28:01,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:28:01,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1214 transitions. [2021-03-25 04:28:01,846 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7025462962962963 [2021-03-25 04:28:01,846 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1214 transitions. [2021-03-25 04:28:01,846 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1214 transitions. [2021-03-25 04:28:01,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:01,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1214 transitions. [2021-03-25 04:28:01,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 151.75) internal successors, (1214), 8 states have internal predecessors, (1214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-25 04:28:01,851 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 216.0) internal successors, (1944), 9 states have internal predecessors, (1944), 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) [2021-03-25 04:28:01,852 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 216.0) internal successors, (1944), 9 states have internal predecessors, (1944), 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) [2021-03-25 04:28:01,852 INFO L185 Difference]: Start difference. First operand has 54 places, 40 transitions, 242 flow. Second operand 8 states and 1214 transitions. [2021-03-25 04:28:01,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 90 transitions, 557 flow [2021-03-25 04:28:01,902 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 90 transitions, 487 flow, removed 26 selfloop flow, removed 5 redundant places. [2021-03-25 04:28:01,905 INFO L241 Difference]: Finished difference. Result has 61 places, 56 transitions, 331 flow [2021-03-25 04:28:01,906 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=216, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=331, PETRI_PLACES=61, PETRI_TRANSITIONS=56} [2021-03-25 04:28:01,906 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, -1 predicate places. [2021-03-25 04:28:01,906 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:01,906 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 331 flow [2021-03-25 04:28:01,906 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 331 flow [2021-03-25 04:28:01,907 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 331 flow [2021-03-25 04:28:02,002 INFO L129 PetriNetUnfolder]: 437/1046 cut-off events. [2021-03-25 04:28:02,003 INFO L130 PetriNetUnfolder]: For 1432/1585 co-relation queries the response was YES. [2021-03-25 04:28:02,008 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3150 conditions, 1046 events. 437/1046 cut-off events. For 1432/1585 co-relation queries the response was YES. Maximal size of possible extension queue 115. Compared 7479 event pairs, 60 based on Foata normal form. 63/1014 useless extension candidates. Maximal degree in co-relation 3129. Up to 384 conditions per place. [2021-03-25 04:28:02,018 INFO L142 LiptonReduction]: Number of co-enabled transitions 772 [2021-03-25 04:28:02,484 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:02,665 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:02,713 INFO L154 LiptonReduction]: Checked pairs total: 332 [2021-03-25 04:28:02,713 INFO L156 LiptonReduction]: Total number of compositions: 2 [2021-03-25 04:28:02,713 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 807 [2021-03-25 04:28:02,714 INFO L480 AbstractCegarLoop]: Abstraction has has 61 places, 56 transitions, 339 flow [2021-03-25 04:28:02,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 145.71428571428572) internal successors, (1020), 7 states have internal predecessors, (1020), 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) [2021-03-25 04:28:02,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:02,714 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:02,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-25 04:28:02,714 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:02,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:02,715 INFO L82 PathProgramCache]: Analyzing trace with hash 769396141, now seen corresponding path program 2 times [2021-03-25 04:28:02,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:02,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655204267] [2021-03-25 04:28:02,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:02,789 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,790 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,793 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,796 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,797 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,801 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:02,807 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-25 04:28:02,808 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-25 04:28:02,815 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:02,816 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:02,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:02,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655204267] [2021-03-25 04:28:02,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:02,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:28:02,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031216237] [2021-03-25 04:28:02,817 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-03-25 04:28:02,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:02,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-03-25 04:28:02,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-03-25 04:28:02,818 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 179 out of 218 [2021-03-25 04:28:02,820 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 61 places, 56 transitions, 339 flow. Second operand has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 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) [2021-03-25 04:28:02,820 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:02,820 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 179 of 218 [2021-03-25 04:28:02,820 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:02,993 INFO L129 PetriNetUnfolder]: 343/845 cut-off events. [2021-03-25 04:28:02,993 INFO L130 PetriNetUnfolder]: For 1761/2465 co-relation queries the response was YES. [2021-03-25 04:28:02,998 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3052 conditions, 845 events. 343/845 cut-off events. For 1761/2465 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5865 event pairs, 29 based on Foata normal form. 363/1139 useless extension candidates. Maximal degree in co-relation 3029. Up to 328 conditions per place. [2021-03-25 04:28:03,001 INFO L132 encePairwiseOnDemand]: 210/218 looper letters, 2 selfloop transitions, 18 changer transitions 7/60 dead transitions. [2021-03-25 04:28:03,002 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 60 transitions, 422 flow [2021-03-25 04:28:03,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-25 04:28:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-25 04:28:03,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 1459 transitions. [2021-03-25 04:28:03,006 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8365825688073395 [2021-03-25 04:28:03,006 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 1459 transitions. [2021-03-25 04:28:03,006 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 1459 transitions. [2021-03-25 04:28:03,007 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:03,007 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 1459 transitions. [2021-03-25 04:28:03,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 182.375) internal successors, (1459), 8 states have internal predecessors, (1459), 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) [2021-03-25 04:28:03,013 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 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) [2021-03-25 04:28:03,014 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 218.0) internal successors, (1962), 9 states have internal predecessors, (1962), 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) [2021-03-25 04:28:03,014 INFO L185 Difference]: Start difference. First operand has 61 places, 56 transitions, 339 flow. Second operand 8 states and 1459 transitions. [2021-03-25 04:28:03,014 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 60 transitions, 422 flow [2021-03-25 04:28:03,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 60 transitions, 388 flow, removed 11 selfloop flow, removed 3 redundant places. [2021-03-25 04:28:03,026 INFO L241 Difference]: Finished difference. Result has 68 places, 53 transitions, 336 flow [2021-03-25 04:28:03,026 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=218, PETRI_DIFFERENCE_MINUEND_FLOW=300, PETRI_DIFFERENCE_MINUEND_PLACES=58, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=55, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=17, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=336, PETRI_PLACES=68, PETRI_TRANSITIONS=53} [2021-03-25 04:28:03,026 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 6 predicate places. [2021-03-25 04:28:03,026 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:03,026 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 68 places, 53 transitions, 336 flow [2021-03-25 04:28:03,026 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 68 places, 53 transitions, 336 flow [2021-03-25 04:28:03,027 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 67 places, 53 transitions, 336 flow [2021-03-25 04:28:03,091 INFO L129 PetriNetUnfolder]: 310/782 cut-off events. [2021-03-25 04:28:03,092 INFO L130 PetriNetUnfolder]: For 1338/1452 co-relation queries the response was YES. [2021-03-25 04:28:03,096 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2769 conditions, 782 events. 310/782 cut-off events. For 1338/1452 co-relation queries the response was YES. Maximal size of possible extension queue 104. Compared 5461 event pairs, 30 based on Foata normal form. 1/709 useless extension candidates. Maximal degree in co-relation 2746. Up to 304 conditions per place. [2021-03-25 04:28:03,102 INFO L142 LiptonReduction]: Number of co-enabled transitions 666 [2021-03-25 04:28:03,420 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:03,530 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-03-25 04:28:03,868 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-25 04:28:04,018 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-03-25 04:28:04,035 INFO L154 LiptonReduction]: Checked pairs total: 498 [2021-03-25 04:28:04,035 INFO L156 LiptonReduction]: Total number of compositions: 3 [2021-03-25 04:28:04,036 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1010 [2021-03-25 04:28:04,036 INFO L480 AbstractCegarLoop]: Abstraction has has 64 places, 50 transitions, 320 flow [2021-03-25 04:28:04,036 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 179.85714285714286) internal successors, (1259), 7 states have internal predecessors, (1259), 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) [2021-03-25 04:28:04,036 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:04,037 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:04,037 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-25 04:28:04,037 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:04,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:04,037 INFO L82 PathProgramCache]: Analyzing trace with hash 1510688185, now seen corresponding path program 1 times [2021-03-25 04:28:04,037 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:04,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214250142] [2021-03-25 04:28:04,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:04,104 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:04,105 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-25 04:28:04,111 INFO L142 QuantifierPusher]: treesize reduction 15, result has 76.9 percent of original size [2021-03-25 04:28:04,112 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 50 [2021-03-25 04:28:04,132 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.9 percent of original size [2021-03-25 04:28:04,133 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 04:28:04,177 INFO L142 QuantifierPusher]: treesize reduction 15, result has 77.9 percent of original size [2021-03-25 04:28:04,178 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-25 04:28:04,204 INFO L142 QuantifierPusher]: treesize reduction 16, result has 71.4 percent of original size [2021-03-25 04:28:04,205 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-03-25 04:28:04,239 INFO L142 QuantifierPusher]: treesize reduction 8, result has 86.7 percent of original size [2021-03-25 04:28:04,240 INFO L147 QuantifierPusher]: treesize reduction 9, result has 82.7 percent of original size 43 [2021-03-25 04:28:04,266 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:04,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:04,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:04,267 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214250142] [2021-03-25 04:28:04,267 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:04,267 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:28:04,267 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948920740] [2021-03-25 04:28:04,267 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:28:04,267 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:04,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:28:04,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:28:04,269 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 146 out of 220 [2021-03-25 04:28:04,270 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 50 transitions, 320 flow. Second operand has 8 states, 8 states have (on average 147.625) internal successors, (1181), 8 states have internal predecessors, (1181), 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) [2021-03-25 04:28:04,270 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:04,270 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 220 [2021-03-25 04:28:04,270 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:04,864 INFO L129 PetriNetUnfolder]: 1447/2714 cut-off events. [2021-03-25 04:28:04,864 INFO L130 PetriNetUnfolder]: For 14406/15313 co-relation queries the response was YES. [2021-03-25 04:28:04,877 INFO L84 FinitePrefix]: Finished finitePrefix Result has 9836 conditions, 2714 events. 1447/2714 cut-off events. For 14406/15313 co-relation queries the response was YES. Maximal size of possible extension queue 253. Compared 19698 event pairs, 193 based on Foata normal form. 202/2817 useless extension candidates. Maximal degree in co-relation 9811. Up to 593 conditions per place. [2021-03-25 04:28:04,888 INFO L132 encePairwiseOnDemand]: 207/220 looper letters, 47 selfloop transitions, 24 changer transitions 8/103 dead transitions. [2021-03-25 04:28:04,888 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 72 places, 103 transitions, 770 flow [2021-03-25 04:28:04,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-25 04:28:04,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-25 04:28:04,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1385 transitions. [2021-03-25 04:28:04,892 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6994949494949495 [2021-03-25 04:28:04,892 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1385 transitions. [2021-03-25 04:28:04,892 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1385 transitions. [2021-03-25 04:28:04,893 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:04,893 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1385 transitions. [2021-03-25 04:28:04,896 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 153.88888888888889) internal successors, (1385), 9 states have internal predecessors, (1385), 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) [2021-03-25 04:28:04,899 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 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) [2021-03-25 04:28:04,899 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 220.0) internal successors, (2200), 10 states have internal predecessors, (2200), 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) [2021-03-25 04:28:04,899 INFO L185 Difference]: Start difference. First operand has 64 places, 50 transitions, 320 flow. Second operand 9 states and 1385 transitions. [2021-03-25 04:28:04,899 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 72 places, 103 transitions, 770 flow [2021-03-25 04:28:04,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 103 transitions, 708 flow, removed 18 selfloop flow, removed 7 redundant places. [2021-03-25 04:28:04,953 INFO L241 Difference]: Finished difference. Result has 69 places, 62 transitions, 430 flow [2021-03-25 04:28:04,953 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=57, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=31, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=430, PETRI_PLACES=69, PETRI_TRANSITIONS=62} [2021-03-25 04:28:04,953 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 7 predicate places. [2021-03-25 04:28:04,953 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:04,953 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 69 places, 62 transitions, 430 flow [2021-03-25 04:28:04,954 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 69 places, 62 transitions, 430 flow [2021-03-25 04:28:04,954 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 69 places, 62 transitions, 430 flow [2021-03-25 04:28:05,118 INFO L129 PetriNetUnfolder]: 692/1511 cut-off events. [2021-03-25 04:28:05,118 INFO L130 PetriNetUnfolder]: For 6665/7061 co-relation queries the response was YES. [2021-03-25 04:28:05,125 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4900 conditions, 1511 events. 692/1511 cut-off events. For 6665/7061 co-relation queries the response was YES. Maximal size of possible extension queue 185. Compared 11591 event pairs, 102 based on Foata normal form. 68/1433 useless extension candidates. Maximal degree in co-relation 4876. Up to 415 conditions per place. [2021-03-25 04:28:05,138 INFO L142 LiptonReduction]: Number of co-enabled transitions 842 [2021-03-25 04:28:05,261 INFO L154 LiptonReduction]: Checked pairs total: 130 [2021-03-25 04:28:05,262 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:05,262 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 309 [2021-03-25 04:28:05,263 INFO L480 AbstractCegarLoop]: Abstraction has has 69 places, 62 transitions, 430 flow [2021-03-25 04:28:05,263 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 147.625) internal successors, (1181), 8 states have internal predecessors, (1181), 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) [2021-03-25 04:28:05,263 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:05,264 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:05,264 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-25 04:28:05,264 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:05,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1331376836, now seen corresponding path program 1 times [2021-03-25 04:28:05,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:05,264 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275126351] [2021-03-25 04:28:05,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:05,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:05,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-25 04:28:05,314 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:05,315 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:05,318 INFO L142 QuantifierPusher]: treesize reduction 3, result has 89.3 percent of original size [2021-03-25 04:28:05,319 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-03-25 04:28:05,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:05,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1275126351] [2021-03-25 04:28:05,331 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:05,331 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-25 04:28:05,331 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054653733] [2021-03-25 04:28:05,331 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-25 04:28:05,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:05,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-25 04:28:05,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-25 04:28:05,333 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 172 out of 220 [2021-03-25 04:28:05,333 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 62 transitions, 430 flow. Second operand has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2021-03-25 04:28:05,333 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:05,333 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 172 of 220 [2021-03-25 04:28:05,334 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:05,602 INFO L129 PetriNetUnfolder]: 1061/2335 cut-off events. [2021-03-25 04:28:05,602 INFO L130 PetriNetUnfolder]: For 10673/11358 co-relation queries the response was YES. [2021-03-25 04:28:05,615 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8012 conditions, 2335 events. 1061/2335 cut-off events. For 10673/11358 co-relation queries the response was YES. Maximal size of possible extension queue 308. Compared 19649 event pairs, 62 based on Foata normal form. 127/2300 useless extension candidates. Maximal degree in co-relation 7986. Up to 631 conditions per place. [2021-03-25 04:28:05,623 INFO L132 encePairwiseOnDemand]: 211/220 looper letters, 16 selfloop transitions, 23 changer transitions 2/79 dead transitions. [2021-03-25 04:28:05,623 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 73 places, 79 transitions, 655 flow [2021-03-25 04:28:05,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-25 04:28:05,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-25 04:28:05,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 881 transitions. [2021-03-25 04:28:05,629 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8009090909090909 [2021-03-25 04:28:05,629 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 881 transitions. [2021-03-25 04:28:05,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 881 transitions. [2021-03-25 04:28:05,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:05,629 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 881 transitions. [2021-03-25 04:28:05,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 176.2) internal successors, (881), 5 states have internal predecessors, (881), 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) [2021-03-25 04:28:05,633 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-03-25 04:28:05,633 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 220.0) internal successors, (1320), 6 states have internal predecessors, (1320), 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) [2021-03-25 04:28:05,633 INFO L185 Difference]: Start difference. First operand has 69 places, 62 transitions, 430 flow. Second operand 5 states and 881 transitions. [2021-03-25 04:28:05,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 73 places, 79 transitions, 655 flow [2021-03-25 04:28:05,702 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 68 places, 79 transitions, 593 flow, removed 10 selfloop flow, removed 5 redundant places. [2021-03-25 04:28:05,705 INFO L241 Difference]: Finished difference. Result has 70 places, 74 transitions, 577 flow [2021-03-25 04:28:05,706 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=383, PETRI_DIFFERENCE_MINUEND_PLACES=64, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=62, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=577, PETRI_PLACES=70, PETRI_TRANSITIONS=74} [2021-03-25 04:28:05,706 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 8 predicate places. [2021-03-25 04:28:05,706 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:05,706 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 74 transitions, 577 flow [2021-03-25 04:28:05,706 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 74 transitions, 577 flow [2021-03-25 04:28:05,707 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 74 transitions, 577 flow [2021-03-25 04:28:05,915 INFO L129 PetriNetUnfolder]: 1142/2475 cut-off events. [2021-03-25 04:28:05,915 INFO L130 PetriNetUnfolder]: For 9830/10425 co-relation queries the response was YES. [2021-03-25 04:28:05,926 INFO L84 FinitePrefix]: Finished finitePrefix Result has 8209 conditions, 2475 events. 1142/2475 cut-off events. For 9830/10425 co-relation queries the response was YES. Maximal size of possible extension queue 322. Compared 20736 event pairs, 99 based on Foata normal form. 77/2350 useless extension candidates. Maximal degree in co-relation 8183. Up to 709 conditions per place. [2021-03-25 04:28:05,947 INFO L142 LiptonReduction]: Number of co-enabled transitions 1134 [2021-03-25 04:28:06,172 INFO L154 LiptonReduction]: Checked pairs total: 282 [2021-03-25 04:28:06,172 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:06,172 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 466 [2021-03-25 04:28:06,172 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 74 transitions, 577 flow [2021-03-25 04:28:06,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 174.0) internal successors, (696), 4 states have internal predecessors, (696), 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) [2021-03-25 04:28:06,173 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:06,173 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:06,173 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-25 04:28:06,173 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:06,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:06,173 INFO L82 PathProgramCache]: Analyzing trace with hash 2001975076, now seen corresponding path program 2 times [2021-03-25 04:28:06,173 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:06,173 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091261869] [2021-03-25 04:28:06,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-25 04:28:06,258 INFO L142 QuantifierPusher]: treesize reduction 1, result has 97.3 percent of original size [2021-03-25 04:28:06,259 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-03-25 04:28:06,281 INFO L142 QuantifierPusher]: treesize reduction 3, result has 94.4 percent of original size [2021-03-25 04:28:06,282 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 51 [2021-03-25 04:28:06,317 INFO L142 QuantifierPusher]: treesize reduction 2, result has 91.7 percent of original size [2021-03-25 04:28:06,317 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-03-25 04:28:06,330 INFO L142 QuantifierPusher]: treesize reduction 9, result has 70.0 percent of original size [2021-03-25 04:28:06,331 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-25 04:28:06,344 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:06,345 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-25 04:28:06,353 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-25 04:28:06,353 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-25 04:28:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-25 04:28:06,364 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091261869] [2021-03-25 04:28:06,364 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-25 04:28:06,364 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-25 04:28:06,364 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184266017] [2021-03-25 04:28:06,364 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-25 04:28:06,364 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-25 04:28:06,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-25 04:28:06,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-03-25 04:28:06,366 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 220 [2021-03-25 04:28:06,367 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 74 transitions, 577 flow. Second operand has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 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) [2021-03-25 04:28:06,367 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-25 04:28:06,367 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 220 [2021-03-25 04:28:06,367 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-25 04:28:07,031 INFO L129 PetriNetUnfolder]: 2158/4525 cut-off events. [2021-03-25 04:28:07,031 INFO L130 PetriNetUnfolder]: For 17429/18630 co-relation queries the response was YES. [2021-03-25 04:28:07,057 INFO L84 FinitePrefix]: Finished finitePrefix Result has 15508 conditions, 4525 events. 2158/4525 cut-off events. For 17429/18630 co-relation queries the response was YES. Maximal size of possible extension queue 543. Compared 40940 event pairs, 171 based on Foata normal form. 217/4415 useless extension candidates. Maximal degree in co-relation 15480. Up to 1235 conditions per place. [2021-03-25 04:28:07,068 INFO L132 encePairwiseOnDemand]: 212/220 looper letters, 24 selfloop transitions, 18 changer transitions 8/97 dead transitions. [2021-03-25 04:28:07,069 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 76 places, 97 transitions, 817 flow [2021-03-25 04:28:07,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-25 04:28:07,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-25 04:28:07,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 1146 transitions. [2021-03-25 04:28:07,072 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7441558441558441 [2021-03-25 04:28:07,072 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 1146 transitions. [2021-03-25 04:28:07,072 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 1146 transitions. [2021-03-25 04:28:07,073 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-25 04:28:07,073 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 1146 transitions. [2021-03-25 04:28:07,075 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 163.71428571428572) internal successors, (1146), 7 states have internal predecessors, (1146), 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) [2021-03-25 04:28:07,077 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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) [2021-03-25 04:28:07,078 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 220.0) internal successors, (1760), 8 states have internal predecessors, (1760), 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) [2021-03-25 04:28:07,078 INFO L185 Difference]: Start difference. First operand has 70 places, 74 transitions, 577 flow. Second operand 7 states and 1146 transitions. [2021-03-25 04:28:07,078 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 76 places, 97 transitions, 817 flow [2021-03-25 04:28:07,297 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 97 transitions, 790 flow, removed 10 selfloop flow, removed 1 redundant places. [2021-03-25 04:28:07,298 INFO L241 Difference]: Finished difference. Result has 78 places, 79 transitions, 654 flow [2021-03-25 04:28:07,298 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=220, PETRI_DIFFERENCE_MINUEND_FLOW=552, PETRI_DIFFERENCE_MINUEND_PLACES=69, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=74, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=654, PETRI_PLACES=78, PETRI_TRANSITIONS=79} [2021-03-25 04:28:07,298 INFO L343 CegarLoopForPetriNet]: 62 programPoint places, 16 predicate places. [2021-03-25 04:28:07,298 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-25 04:28:07,299 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 654 flow [2021-03-25 04:28:07,299 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 654 flow [2021-03-25 04:28:07,299 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 77 places, 79 transitions, 654 flow [2021-03-25 04:28:07,468 INFO L129 PetriNetUnfolder]: 948/2136 cut-off events. [2021-03-25 04:28:07,468 INFO L130 PetriNetUnfolder]: For 13836/14604 co-relation queries the response was YES. [2021-03-25 04:28:07,476 INFO L84 FinitePrefix]: Finished finitePrefix Result has 7475 conditions, 2136 events. 948/2136 cut-off events. For 13836/14604 co-relation queries the response was YES. Maximal size of possible extension queue 254. Compared 17656 event pairs, 58 based on Foata normal form. 133/2130 useless extension candidates. Maximal degree in co-relation 7445. Up to 627 conditions per place. [2021-03-25 04:28:07,492 INFO L142 LiptonReduction]: Number of co-enabled transitions 1178 [2021-03-25 04:28:07,685 INFO L154 LiptonReduction]: Checked pairs total: 468 [2021-03-25 04:28:07,685 INFO L156 LiptonReduction]: Total number of compositions: 0 [2021-03-25 04:28:07,685 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 387 [2021-03-25 04:28:07,686 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 79 transitions, 654 flow [2021-03-25 04:28:07,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 161.0) internal successors, (1288), 8 states have internal predecessors, (1288), 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) [2021-03-25 04:28:07,687 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-25 04:28:07,687 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-25 04:28:07,687 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-25 04:28:07,687 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-25 04:28:07,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-25 04:28:07,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1722218382, now seen corresponding path program 3 times [2021-03-25 04:28:07,688 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-25 04:28:07,688 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691725461] [2021-03-25 04:28:07,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-25 04:28:07,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:28:07,734 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:28:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-25 04:28:07,787 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-25 04:28:07,831 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-25 04:28:07,831 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-25 04:28:07,831 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-25 04:28:07,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.03 04:28:07 BasicIcfg [2021-03-25 04:28:07,948 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-25 04:28:07,948 INFO L168 Benchmark]: Toolchain (without parser) took 16868.71 ms. Allocated memory was 255.9 MB in the beginning and 734.0 MB in the end (delta: 478.2 MB). Free memory was 233.3 MB in the beginning and 337.5 MB in the end (delta: -104.2 MB). Peak memory consumption was 372.7 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,949 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-25 04:28:07,950 INFO L168 Benchmark]: CACSL2BoogieTranslator took 572.41 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.3 MB in the beginning and 308.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,950 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.91 ms. Allocated memory is still 350.2 MB. Free memory was 308.7 MB in the beginning and 306.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,951 INFO L168 Benchmark]: Boogie Preprocessor took 31.60 ms. Allocated memory is still 350.2 MB. Free memory was 306.0 MB in the beginning and 303.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,951 INFO L168 Benchmark]: RCFGBuilder took 2062.81 ms. Allocated memory was 350.2 MB in the beginning and 421.5 MB in the end (delta: 71.3 MB). Free memory was 303.6 MB in the beginning and 365.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,951 INFO L168 Benchmark]: TraceAbstraction took 14139.58 ms. Allocated memory was 421.5 MB in the beginning and 734.0 MB in the end (delta: 312.5 MB). Free memory was 364.4 MB in the beginning and 337.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 338.4 MB. Max. memory is 16.0 GB. [2021-03-25 04:28:07,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.7 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 572.41 ms. Allocated memory was 255.9 MB in the beginning and 350.2 MB in the end (delta: 94.4 MB). Free memory was 233.3 MB in the beginning and 308.7 MB in the end (delta: -75.4 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 56.91 ms. Allocated memory is still 350.2 MB. Free memory was 308.7 MB in the beginning and 306.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.60 ms. Allocated memory is still 350.2 MB. Free memory was 306.0 MB in the beginning and 303.6 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 2062.81 ms. Allocated memory was 350.2 MB in the beginning and 421.5 MB in the end (delta: 71.3 MB). Free memory was 303.6 MB in the beginning and 365.5 MB in the end (delta: -61.8 MB). Peak memory consumption was 64.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 14139.58 ms. Allocated memory was 421.5 MB in the beginning and 734.0 MB in the end (delta: 312.5 MB). Free memory was 364.4 MB in the beginning and 337.5 MB in the end (delta: 27.0 MB). Peak memory consumption was 338.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2770.5ms, 128 PlacesBefore, 62 PlacesAfterwards, 117 TransitionsBefore, 50 TransitionsAfterwards, 2886 CoEnabledTransitionPairs, 5 FixpointIterations, 31 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 77 TotalNumberOfCompositions, 5692 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2969, positive: 2847, positive conditional: 0, positive unconditional: 2847, negative: 122, negative conditional: 0, negative unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1420, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1420, positive: 1383, positive conditional: 0, positive unconditional: 1383, negative: 37, negative conditional: 0, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2969, positive: 1464, positive conditional: 0, positive unconditional: 1464, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 1420, unknown conditional: 0, unknown unconditional: 1420] , Statistics on independence cache: Total cache size (in pairs): 195, Positive cache size: 174, Positive conditional cache size: 0, Positive unconditional cache size: 174, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1177.2ms, 58 PlacesBefore, 44 PlacesAfterwards, 47 TransitionsBefore, 33 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 4 FixpointIterations, 10 TrivialSequentialCompositions, 4 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 2958 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 683, positive: 550, positive conditional: 0, positive unconditional: 550, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 93, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 93, positive: 71, positive conditional: 0, positive unconditional: 71, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 683, positive: 479, positive conditional: 0, positive unconditional: 479, negative: 111, negative conditional: 0, negative unconditional: 111, unknown: 93, unknown conditional: 0, unknown unconditional: 93] , Statistics on independence cache: Total cache size (in pairs): 198, Positive cache size: 169, Positive conditional cache size: 0, Positive unconditional cache size: 169, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1445.8ms, 47 PlacesBefore, 40 PlacesAfterwards, 31 TransitionsBefore, 28 TransitionsAfterwards, 446 CoEnabledTransitionPairs, 3 FixpointIterations, 2 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 1610 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 355, positive: 270, positive conditional: 0, positive unconditional: 270, negative: 85, negative conditional: 0, negative unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 355, positive: 268, positive conditional: 0, positive unconditional: 268, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 178, Positive cache size: 146, Positive conditional cache size: 0, Positive unconditional cache size: 146, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 29.9ms, 41 PlacesBefore, 40 PlacesAfterwards, 28 TransitionsBefore, 27 TransitionsAfterwards, 412 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 948 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 246, positive: 195, positive conditional: 0, positive unconditional: 195, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 246, positive: 186, positive conditional: 0, positive unconditional: 186, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 162, Positive cache size: 132, Positive conditional cache size: 0, Positive unconditional cache size: 132, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 18.1ms, 45 PlacesBefore, 43 PlacesAfterwards, 31 TransitionsBefore, 31 TransitionsAfterwards, 444 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 404 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 106, positive: 87, positive conditional: 0, positive unconditional: 87, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 7, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 106, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 7, unknown conditional: 0, unknown unconditional: 7] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 138, Positive conditional cache size: 0, Positive unconditional cache size: 138, Negative cache size: 31, Negative conditional cache size: 0, Negative unconditional cache size: 31 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 48.3ms, 46 PlacesBefore, 46 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 464 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 409 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 79, positive: 60, positive conditional: 0, positive unconditional: 60, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 79, positive: 58, positive conditional: 0, positive unconditional: 58, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 172, Positive cache size: 140, Positive conditional cache size: 0, Positive unconditional cache size: 140, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 33.6ms, 53 PlacesBefore, 51 PlacesAfterwards, 36 TransitionsBefore, 36 TransitionsAfterwards, 548 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 501 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 100, positive conditional: 0, positive unconditional: 100, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 3, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 120, positive: 97, positive conditional: 0, positive unconditional: 97, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 3, unknown conditional: 0, unknown unconditional: 3] , Statistics on independence cache: Total cache size (in pairs): 175, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 32, Negative conditional cache size: 0, Negative unconditional cache size: 32 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 20.9ms, 56 PlacesBefore, 54 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 544 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 554 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 99, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 23, negative conditional: 0, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 99, positive: 76, positive conditional: 0, positive unconditional: 76, negative: 22, negative conditional: 0, negative unconditional: 22, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 176, Positive cache size: 143, Positive conditional cache size: 0, Positive unconditional cache size: 143, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 806.8ms, 61 PlacesBefore, 61 PlacesAfterwards, 56 TransitionsBefore, 56 TransitionsAfterwards, 772 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 2 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, 332 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 74, positive: 64, positive conditional: 0, positive unconditional: 64, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 74, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 171, Positive cache size: 141, Positive conditional cache size: 0, Positive unconditional cache size: 141, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1009.1ms, 68 PlacesBefore, 64 PlacesAfterwards, 53 TransitionsBefore, 50 TransitionsAfterwards, 666 CoEnabledTransitionPairs, 3 FixpointIterations, 1 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 1 ConcurrentYvCompositions, 0 ChoiceCompositions, 3 TotalNumberOfCompositions, 498 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 33, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 33, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , Statistics on independence cache: Total cache size (in pairs): 155, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 27, Negative conditional cache size: 0, Negative unconditional cache size: 27 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 308.0ms, 69 PlacesBefore, 69 PlacesAfterwards, 62 TransitionsBefore, 62 TransitionsAfterwards, 842 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 130 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 36, positive: 32, positive conditional: 0, positive unconditional: 32, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1, unknown conditional: 0, unknown unconditional: 1] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 465.8ms, 70 PlacesBefore, 70 PlacesAfterwards, 74 TransitionsBefore, 74 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 282 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, 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: 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] , Cache Queries: [ total: 35, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 386.6ms, 78 PlacesBefore, 77 PlacesAfterwards, 79 TransitionsBefore, 79 TransitionsAfterwards, 1178 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 468 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 120, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 13, negative conditional: 0, negative unconditional: 13, 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: 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] , Cache Queries: [ total: 120, positive: 107, positive conditional: 0, positive unconditional: 107, negative: 13, negative conditional: 0, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 156, Positive cache size: 128, Positive conditional cache size: 0, Positive unconditional cache size: 128, Negative cache size: 28, Negative conditional cache size: 0, Negative unconditional cache size: 28 - CounterExampleResult [Line: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p2_EBX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool a$flush_delayed; [L726] 0 int a$mem_tmp; [L727] 0 _Bool a$r_buff0_thd0; [L728] 0 _Bool a$r_buff0_thd1; [L729] 0 _Bool a$r_buff0_thd2; [L730] 0 _Bool a$r_buff0_thd3; [L731] 0 _Bool a$r_buff0_thd4; [L732] 0 _Bool a$r_buff1_thd0; [L733] 0 _Bool a$r_buff1_thd1; [L734] 0 _Bool a$r_buff1_thd2; [L735] 0 _Bool a$r_buff1_thd3; [L736] 0 _Bool a$r_buff1_thd4; [L737] 0 _Bool a$read_delayed; [L738] 0 int *a$read_delayed_var; [L739] 0 int a$w_buff0; [L740] 0 _Bool a$w_buff0_used; [L741] 0 int a$w_buff1; [L742] 0 _Bool a$w_buff1_used; [L743] 0 _Bool main$tmp_guard0; [L744] 0 _Bool main$tmp_guard1; [L746] 0 int x = 0; [L748] 0 int y = 0; [L750] 0 int z = 0; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L873] 0 pthread_t t89; [L874] FCALL, FORK 0 pthread_create(&t89, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L875] 0 pthread_t t90; [L876] FCALL, FORK 0 pthread_create(&t90, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L877] 0 pthread_t t91; [L878] FCALL, FORK 0 pthread_create(&t91, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L879] 0 pthread_t t92; [L880] FCALL, FORK 0 pthread_create(&t92, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L756] 1 a$w_buff1 = a$w_buff0 [L757] 1 a$w_buff0 = 1 [L758] 1 a$w_buff1_used = a$w_buff0_used [L759] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L761] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L762] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L763] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L764] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L765] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L766] 1 a$r_buff0_thd1 = (_Bool)1 [L769] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L786] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L789] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L806] 3 y = 1 [L809] 3 __unbuffered_p2_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L812] 3 __unbuffered_p2_EBX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=0] [L829] 4 z = 1 [L832] 4 __unbuffered_p3_EAX = z VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, z=1] [L835] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L836] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L837] 4 a$flush_delayed = weak$$choice2 [L838] 4 a$mem_tmp = a [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L839] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L840] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L840] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L841] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L841] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L842] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L842] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L844] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L844] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L845] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L845] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L846] 4 __unbuffered_p3_EBX = a [L847] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L847] 4 a = a$flush_delayed ? a$mem_tmp : a [L848] 4 a$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L815] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L816] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L817] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L818] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L818] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L819] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L819] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L851] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L852] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L853] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L854] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L854] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L855] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L855] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L792] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L795] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L796] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L772] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L773] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L774] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L775] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L775] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L776] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L776] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L779] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L781] 1 return 0; [L799] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L801] 2 return 0; [L822] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L824] 3 return 0; [L858] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L860] 4 return 0; [L882] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L886] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L887] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L888] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L889] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L889] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L890] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L890] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L893] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 0 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=0, x=1, y=1, z=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 120 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 4.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 13896.2ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 3395.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2843.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 94 SDtfs, 65 SDslu, 117 SDs, 0 SdLazy, 565 SolverSat, 107 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 609.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 66 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 680.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=654occurred in iteration=12, InterpolantAutomatonStates: 70, 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: 44.7ms SsaConstructionTime, 501.4ms SatisfiabilityAnalysisTime, 1044.1ms InterpolantComputationTime, 263 NumberOfCodeBlocks, 263 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 227 ConstructedInterpolants, 0 QuantifiedInterpolants, 1842 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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...