/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-VariableLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe023_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-d5b4239aa45c8d22a30959944f2ef622f7386a6d-d5b4239 [2021-03-24 11:05:25,862 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-24 11:05:25,863 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-24 11:05:25,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-24 11:05:25,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-24 11:05:25,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-24 11:05:25,888 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-24 11:05:25,890 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-24 11:05:25,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-24 11:05:25,892 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-24 11:05:25,893 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-24 11:05:25,893 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-24 11:05:25,894 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-24 11:05:25,895 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-24 11:05:25,895 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-24 11:05:25,896 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-24 11:05:25,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-24 11:05:25,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-24 11:05:25,899 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-24 11:05:25,900 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-24 11:05:25,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-24 11:05:25,902 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-24 11:05:25,903 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-24 11:05:25,904 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-24 11:05:25,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-24 11:05:25,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-24 11:05:25,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-24 11:05:25,909 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-24 11:05:25,910 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-24 11:05:25,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-24 11:05:25,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-24 11:05:25,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-24 11:05:25,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-24 11:05:25,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-24 11:05:25,912 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-24 11:05:25,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-24 11:05:25,914 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-VariableLbe.epf [2021-03-24 11:05:25,932 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-24 11:05:25,932 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-24 11:05:25,933 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-24 11:05:25,934 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-24 11:05:25,934 INFO L138 SettingsManager]: * Use SBE=true [2021-03-24 11:05:25,934 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-24 11:05:25,934 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-24 11:05:25,935 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-24 11:05:25,935 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-24 11:05:25,935 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-24 11:05:25,935 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-24 11:05:25,935 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-24 11:05:25,936 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-24 11:05:25,936 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-24 11:05:25,936 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-24 11:05:25,936 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-24 11:05:25,936 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-24 11:05:25,937 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-24 11:05:25,937 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-24 11:05:25,937 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-24 11:05:25,937 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-24 11:05:25,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-24 11:05:25,938 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-24 11:05:25,938 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-24 11:05:25,938 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-24 11:05:25,938 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-24 11:05:25,938 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-24 11:05:25,939 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2021-03-24 11:05:25,939 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-24 11:05:25,939 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-24 11:05:26,282 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-24 11:05:26,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-24 11:05:26,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-24 11:05:26,311 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-24 11:05:26,312 INFO L275 PluginConnector]: CDTParser initialized [2021-03-24 11:05:26,312 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe023_pso.opt.i [2021-03-24 11:05:26,372 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56c5f349/5870c73412894bbf928863ffb4aa996b/FLAG42a2fa3d5 [2021-03-24 11:05:26,851 INFO L306 CDTParser]: Found 1 translation units. [2021-03-24 11:05:26,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe023_pso.opt.i [2021-03-24 11:05:26,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56c5f349/5870c73412894bbf928863ffb4aa996b/FLAG42a2fa3d5 [2021-03-24 11:05:27,162 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e56c5f349/5870c73412894bbf928863ffb4aa996b [2021-03-24 11:05:27,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-24 11:05:27,165 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-24 11:05:27,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:27,166 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-24 11:05:27,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-24 11:05:27,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1844abfc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27, skipping insertion in model container [2021-03-24 11:05:27,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-24 11:05:27,248 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-24 11:05:27,438 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/safe023_pso.opt.i[992,1005] [2021-03-24 11:05:27,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:27,676 INFO L203 MainTranslator]: Completed pre-run [2021-03-24 11:05:27,686 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/safe023_pso.opt.i[992,1005] [2021-03-24 11:05:27,750 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-24 11:05:27,804 INFO L208 MainTranslator]: Completed translation [2021-03-24 11:05:27,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27 WrapperNode [2021-03-24 11:05:27,804 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-24 11:05:27,805 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:27,805 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-24 11:05:27,805 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-24 11:05:27,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,846 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-24 11:05:27,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-24 11:05:27,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-24 11:05:27,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-24 11:05:27,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,883 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,883 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (1/1) ... [2021-03-24 11:05:27,917 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-24 11:05:27,918 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-24 11:05:27,918 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-24 11:05:27,918 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-24 11:05:27,919 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (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 [2021-03-24 11:05:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-24 11:05:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-24 11:05:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-24 11:05:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-24 11:05:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-03-24 11:05:27,996 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-03-24 11:05:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-03-24 11:05:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-03-24 11:05:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-03-24 11:05:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-03-24 11:05:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-24 11:05:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-24 11:05:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-24 11:05:27,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-24 11:05:27,999 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-24 11:05:30,948 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-24 11:05:30,949 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-03-24 11:05:30,951 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:30 BoogieIcfgContainer [2021-03-24 11:05:30,951 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-24 11:05:30,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-24 11:05:30,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-24 11:05:30,956 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-24 11:05:30,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.03 11:05:27" (1/3) ... [2021-03-24 11:05:30,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac5779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:30, skipping insertion in model container [2021-03-24 11:05:30,957 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.03 11:05:27" (2/3) ... [2021-03-24 11:05:30,957 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ac5779e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.03 11:05:30, skipping insertion in model container [2021-03-24 11:05:30,958 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.03 11:05:30" (3/3) ... [2021-03-24 11:05:30,959 INFO L111 eAbstractionObserver]: Analyzing ICFG safe023_pso.opt.i [2021-03-24 11:05:30,964 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-24 11:05:30,969 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-24 11:05:30,969 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-24 11:05:31,015 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,016 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,017 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,018 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,019 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,020 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,021 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,022 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,023 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,024 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,025 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,026 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,027 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,028 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,029 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,030 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,032 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,033 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,035 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,036 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,040 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,041 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,042 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,043 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,044 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,045 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,046 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,047 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,048 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,049 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,050 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,051 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,053 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,054 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,055 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,060 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,061 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,064 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,065 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,067 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,068 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,069 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,071 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,072 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,073 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,074 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,076 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,077 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~nondet46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,078 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite69| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,079 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite73| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite72| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite70| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite71| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,080 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,081 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite74| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-24 11:05:31,082 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-24 11:05:31,097 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-24 11:05:31,122 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-24 11:05:31,122 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-24 11:05:31,122 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-24 11:05:31,122 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-24 11:05:31,122 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-24 11:05:31,123 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-24 11:05:31,123 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-24 11:05:31,123 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-24 11:05:31,131 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:31,163 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:31,163 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:31,166 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:31,166 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 99 transitions, 213 flow [2021-03-24 11:05:31,170 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,171 INFO L174 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2021-03-24 11:05:31,177 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,179 INFO L129 LiptonReduction]: Starting Lipton reduction on Petri net that has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,181 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 104 places, 96 transitions, 201 flow [2021-03-24 11:05:31,198 INFO L129 PetriNetUnfolder]: 2/96 cut-off events. [2021-03-24 11:05:31,198 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:31,199 INFO L84 FinitePrefix]: Finished finitePrefix Result has 106 conditions, 96 events. 2/96 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 79 event pairs, 0 based on Foata normal form. 0/92 useless extension candidates. Maximal degree in co-relation 62. Up to 2 conditions per place. [2021-03-24 11:05:31,201 INFO L142 LiptonReduction]: Number of co-enabled transitions 1786 [2021-03-24 11:05:31,841 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 58 [2021-03-24 11:05:32,221 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 84 [2021-03-24 11:05:32,340 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 81 [2021-03-24 11:05:33,835 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 188 [2021-03-24 11:05:34,111 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2021-03-24 11:05:35,347 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 312 DAG size of output: 268 [2021-03-24 11:05:35,963 WARN L205 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-03-24 11:05:36,333 INFO L154 LiptonReduction]: Checked pairs total: 3300 [2021-03-24 11:05:36,333 INFO L156 LiptonReduction]: Total number of compositions: 62 [2021-03-24 11:05:36,335 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 5165 [2021-03-24 11:05:36,343 INFO L129 PetriNetUnfolder]: 0/15 cut-off events. [2021-03-24 11:05:36,343 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:36,343 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:36,344 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:36,344 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:36,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:36,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1498083627, now seen corresponding path program 1 times [2021-03-24 11:05:36,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:36,355 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706679316] [2021-03-24 11:05:36,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:36,538 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:36,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:36,539 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:36,540 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:36,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:36,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706679316] [2021-03-24 11:05:36,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:36,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-24 11:05:36,549 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [463695296] [2021-03-24 11:05:36,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-24 11:05:36,556 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:36,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-24 11:05:36,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-24 11:05:36,569 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:36,573 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 40 transitions, 89 flow. Second operand has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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) [2021-03-24 11:05:36,573 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:36,574 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:36,574 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:36,801 INFO L129 PetriNetUnfolder]: 190/443 cut-off events. [2021-03-24 11:05:36,801 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:36,805 INFO L84 FinitePrefix]: Finished finitePrefix Result has 752 conditions, 443 events. 190/443 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2572 event pairs, 40 based on Foata normal form. 32/457 useless extension candidates. Maximal degree in co-relation 733. Up to 223 conditions per place. [2021-03-24 11:05:36,809 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 15 selfloop transitions, 2 changer transitions 0/44 dead transitions. [2021-03-24 11:05:36,810 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:36,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-24 11:05:36,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-24 11:05:36,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 431 transitions. [2021-03-24 11:05:36,827 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8923395445134575 [2021-03-24 11:05:36,827 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 431 transitions. [2021-03-24 11:05:36,827 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 431 transitions. [2021-03-24 11:05:36,830 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:36,832 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 431 transitions. [2021-03-24 11:05:36,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 143.66666666666666) internal successors, (431), 3 states have internal predecessors, (431), 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) [2021-03-24 11:05:36,843 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:36,844 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 161.0) internal successors, (644), 4 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:36,845 INFO L185 Difference]: Start difference. First operand has 49 places, 40 transitions, 89 flow. Second operand 3 states and 431 transitions. [2021-03-24 11:05:36,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 44 transitions, 131 flow [2021-03-24 11:05:36,848 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 44 transitions, 128 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-24 11:05:36,850 INFO L241 Difference]: Finished difference. Result has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:36,852 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=84, PETRI_PLACES=46, PETRI_TRANSITIONS=37} [2021-03-24 11:05:36,852 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -3 predicate places. [2021-03-24 11:05:36,852 INFO L480 AbstractCegarLoop]: Abstraction has has 46 places, 37 transitions, 84 flow [2021-03-24 11:05:36,853 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 137.66666666666666) internal successors, (413), 3 states have internal predecessors, (413), 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) [2021-03-24 11:05:36,853 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:36,853 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:36,853 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-24 11:05:36,853 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:36,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:36,854 INFO L82 PathProgramCache]: Analyzing trace with hash 463185172, now seen corresponding path program 1 times [2021-03-24 11:05:36,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:36,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059780281] [2021-03-24 11:05:36,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,025 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,026 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,026 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,046 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:37,047 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:37,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059780281] [2021-03-24 11:05:37,051 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,051 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:37,051 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316916233] [2021-03-24 11:05:37,052 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:37,052 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:37,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:37,054 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 142 out of 161 [2021-03-24 11:05:37,055 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 37 transitions, 84 flow. Second operand has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,055 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,055 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 142 of 161 [2021-03-24 11:05:37,055 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:37,099 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2021-03-24 11:05:37,100 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-24 11:05:37,100 INFO L84 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 102 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 55. Up to 5 conditions per place. [2021-03-24 11:05:37,101 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 9/41 dead transitions. [2021-03-24 11:05:37,101 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:37,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:37,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 721 transitions. [2021-03-24 11:05:37,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8956521739130435 [2021-03-24 11:05:37,103 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 721 transitions. [2021-03-24 11:05:37,104 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 721 transitions. [2021-03-24 11:05:37,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:37,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 721 transitions. [2021-03-24 11:05:37,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.2) internal successors, (721), 5 states have internal predecessors, (721), 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) [2021-03-24 11:05:37,108 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:37,109 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:37,109 INFO L185 Difference]: Start difference. First operand has 46 places, 37 transitions, 84 flow. Second operand 5 states and 721 transitions. [2021-03-24 11:05:37,109 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 41 transitions, 110 flow [2021-03-24 11:05:37,109 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 41 transitions, 106 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-24 11:05:37,110 INFO L241 Difference]: Finished difference. Result has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:37,110 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=35, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=82, PETRI_PLACES=51, PETRI_TRANSITIONS=32} [2021-03-24 11:05:37,111 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 2 predicate places. [2021-03-24 11:05:37,111 INFO L480 AbstractCegarLoop]: Abstraction has has 51 places, 32 transitions, 82 flow [2021-03-24 11:05:37,111 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 142.75) internal successors, (571), 4 states have internal predecessors, (571), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:37,111 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:37,111 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] [2021-03-24 11:05:37,111 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-24 11:05:37,111 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:37,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:37,112 INFO L82 PathProgramCache]: Analyzing trace with hash 1433297591, now seen corresponding path program 1 times [2021-03-24 11:05:37,112 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:37,112 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103075173] [2021-03-24 11:05:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,209 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,209 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,210 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,210 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,215 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:37,215 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:37,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,219 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103075173] [2021-03-24 11:05:37,220 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,220 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-24 11:05:37,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423608544] [2021-03-24 11:05:37,221 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:37,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:37,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:37,223 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 143 out of 161 [2021-03-24 11:05:37,224 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 32 transitions, 82 flow. Second operand has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 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) [2021-03-24 11:05:37,224 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,224 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 143 of 161 [2021-03-24 11:05:37,225 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:37,250 INFO L129 PetriNetUnfolder]: 0/36 cut-off events. [2021-03-24 11:05:37,250 INFO L130 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2021-03-24 11:05:37,250 INFO L84 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 36 events. 0/36 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 44 event pairs, 0 based on Foata normal form. 2/38 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-03-24 11:05:37,251 INFO L132 encePairwiseOnDemand]: 157/161 looper letters, 2 selfloop transitions, 2 changer transitions 2/34 dead transitions. [2021-03-24 11:05:37,251 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 34 transitions, 100 flow [2021-03-24 11:05:37,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 723 transitions. [2021-03-24 11:05:37,253 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8981366459627329 [2021-03-24 11:05:37,253 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 723 transitions. [2021-03-24 11:05:37,253 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 723 transitions. [2021-03-24 11:05:37,254 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:37,254 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 723 transitions. [2021-03-24 11:05:37,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 144.6) internal successors, (723), 5 states have internal predecessors, (723), 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) [2021-03-24 11:05:37,258 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:37,259 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:37,259 INFO L185 Difference]: Start difference. First operand has 51 places, 32 transitions, 82 flow. Second operand 5 states and 723 transitions. [2021-03-24 11:05:37,259 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 34 transitions, 100 flow [2021-03-24 11:05:37,260 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 34 transitions, 92 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:37,261 INFO L241 Difference]: Finished difference. Result has 47 places, 32 transitions, 86 flow [2021-03-24 11:05:37,261 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=30, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=86, PETRI_PLACES=47, PETRI_TRANSITIONS=32} [2021-03-24 11:05:37,262 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, -2 predicate places. [2021-03-24 11:05:37,262 INFO L480 AbstractCegarLoop]: Abstraction has has 47 places, 32 transitions, 86 flow [2021-03-24 11:05:37,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 143.75) internal successors, (575), 4 states have internal predecessors, (575), 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) [2021-03-24 11:05:37,262 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:37,262 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] [2021-03-24 11:05:37,262 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-24 11:05:37,262 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:37,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:37,263 INFO L82 PathProgramCache]: Analyzing trace with hash -1230196259, now seen corresponding path program 1 times [2021-03-24 11:05:37,263 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:37,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86128156] [2021-03-24 11:05:37,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,417 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,418 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,418 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,419 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,422 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,422 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,426 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:37,427 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:37,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,431 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86128156] [2021-03-24 11:05:37,431 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,431 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:37,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159873930] [2021-03-24 11:05:37,432 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:37,432 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:37,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:37,433 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 137 out of 161 [2021-03-24 11:05:37,434 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 32 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 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) [2021-03-24 11:05:37,434 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,434 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 137 of 161 [2021-03-24 11:05:37,434 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:37,488 INFO L129 PetriNetUnfolder]: 1/42 cut-off events. [2021-03-24 11:05:37,488 INFO L130 PetriNetUnfolder]: For 16/18 co-relation queries the response was YES. [2021-03-24 11:05:37,488 INFO L84 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 42 events. 1/42 cut-off events. For 16/18 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 81 event pairs, 0 based on Foata normal form. 3/45 useless extension candidates. Maximal degree in co-relation 67. Up to 6 conditions per place. [2021-03-24 11:05:37,488 INFO L132 encePairwiseOnDemand]: 156/161 looper letters, 2 selfloop transitions, 3 changer transitions 4/36 dead transitions. [2021-03-24 11:05:37,488 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 36 transitions, 121 flow [2021-03-24 11:05:37,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-24 11:05:37,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-24 11:05:37,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 833 transitions. [2021-03-24 11:05:37,491 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8623188405797102 [2021-03-24 11:05:37,491 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 833 transitions. [2021-03-24 11:05:37,491 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 833 transitions. [2021-03-24 11:05:37,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:37,492 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 833 transitions. [2021-03-24 11:05:37,494 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 138.83333333333334) internal successors, (833), 6 states have internal predecessors, (833), 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) [2021-03-24 11:05:37,495 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2021-03-24 11:05:37,496 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 161.0) internal successors, (1127), 7 states have internal predecessors, (1127), 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) [2021-03-24 11:05:37,496 INFO L185 Difference]: Start difference. First operand has 47 places, 32 transitions, 86 flow. Second operand 6 states and 833 transitions. [2021-03-24 11:05:37,496 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 36 transitions, 121 flow [2021-03-24 11:05:37,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 36 transitions, 113 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:37,498 INFO L241 Difference]: Finished difference. Result has 50 places, 32 transitions, 96 flow [2021-03-24 11:05:37,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=41, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=96, PETRI_PLACES=50, PETRI_TRANSITIONS=32} [2021-03-24 11:05:37,499 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 1 predicate places. [2021-03-24 11:05:37,499 INFO L480 AbstractCegarLoop]: Abstraction has has 50 places, 32 transitions, 96 flow [2021-03-24 11:05:37,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 137.8) internal successors, (689), 5 states have internal predecessors, (689), 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) [2021-03-24 11:05:37,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:37,499 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] [2021-03-24 11:05:37,500 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-24 11:05:37,500 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:37,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:37,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1731711944, now seen corresponding path program 1 times [2021-03-24 11:05:37,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:37,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536445218] [2021-03-24 11:05:37,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:37,675 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,675 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:37,676 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,676 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:37,680 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,680 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:37,688 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:37,702 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,703 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:05:37,721 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:37,723 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:37,737 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:37,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:37,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:37,744 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536445218] [2021-03-24 11:05:37,744 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:37,744 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:37,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070426947] [2021-03-24 11:05:37,745 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:37,745 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:37,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:37,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:37,750 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 161 [2021-03-24 11:05:37,752 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 50 places, 32 transitions, 96 flow. Second operand has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 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) [2021-03-24 11:05:37,752 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:37,752 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 161 [2021-03-24 11:05:37,752 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,097 INFO L129 PetriNetUnfolder]: 201/424 cut-off events. [2021-03-24 11:05:38,098 INFO L130 PetriNetUnfolder]: For 215/216 co-relation queries the response was YES. [2021-03-24 11:05:38,099 INFO L84 FinitePrefix]: Finished finitePrefix Result has 939 conditions, 424 events. 201/424 cut-off events. For 215/216 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 2025 event pairs, 52 based on Foata normal form. 17/419 useless extension candidates. Maximal degree in co-relation 912. Up to 250 conditions per place. [2021-03-24 11:05:38,100 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 16 selfloop transitions, 10 changer transitions 9/52 dead transitions. [2021-03-24 11:05:38,100 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 52 transitions, 215 flow [2021-03-24 11:05:38,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-24 11:05:38,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2021-03-24 11:05:38,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 973 transitions. [2021-03-24 11:05:38,103 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7554347826086957 [2021-03-24 11:05:38,103 INFO L72 ComplementDD]: Start complementDD. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,103 INFO L73 IsDeterministic]: Start isDeterministic. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,104 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,104 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 8 states and 973 transitions. [2021-03-24 11:05:38,108 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 9 states, 8 states have (on average 121.625) internal successors, (973), 8 states have internal predecessors, (973), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-24 11:05:38,110 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 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) [2021-03-24 11:05:38,110 INFO L81 ComplementDD]: Finished complementDD. Result has 9 states, 9 states have (on average 161.0) internal successors, (1449), 9 states have internal predecessors, (1449), 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) [2021-03-24 11:05:38,110 INFO L185 Difference]: Start difference. First operand has 50 places, 32 transitions, 96 flow. Second operand 8 states and 973 transitions. [2021-03-24 11:05:38,110 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 52 transitions, 215 flow [2021-03-24 11:05:38,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 49 places, 52 transitions, 195 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:38,114 INFO L241 Difference]: Finished difference. Result has 53 places, 39 transitions, 158 flow [2021-03-24 11:05:38,115 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=8, PETRI_FLOW=158, PETRI_PLACES=53, PETRI_TRANSITIONS=39} [2021-03-24 11:05:38,115 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 4 predicate places. [2021-03-24 11:05:38,115 INFO L480 AbstractCegarLoop]: Abstraction has has 53 places, 39 transitions, 158 flow [2021-03-24 11:05:38,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 118.375) internal successors, (947), 8 states have internal predecessors, (947), 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) [2021-03-24 11:05:38,115 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,116 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] [2021-03-24 11:05:38,116 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-24 11:05:38,116 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1287418016, now seen corresponding path program 2 times [2021-03-24 11:05:38,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,117 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440960388] [2021-03-24 11:05:38,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,240 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,240 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,241 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,241 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,244 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,244 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:38,251 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,252 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:38,260 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,263 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:38,264 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,266 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:38,277 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,278 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:38,286 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-03-24 11:05:38,300 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:38,314 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:38,314 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:38,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:38,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440960388] [2021-03-24 11:05:38,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:38,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 11:05:38,321 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1854509635] [2021-03-24 11:05:38,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 11:05:38,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:38,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 11:05:38,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-03-24 11:05:38,324 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 161 [2021-03-24 11:05:38,325 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 53 places, 39 transitions, 158 flow. Second operand has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 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) [2021-03-24 11:05:38,325 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:38,325 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 161 [2021-03-24 11:05:38,325 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,692 INFO L129 PetriNetUnfolder]: 242/507 cut-off events. [2021-03-24 11:05:38,692 INFO L130 PetriNetUnfolder]: For 390/508 co-relation queries the response was YES. [2021-03-24 11:05:38,694 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1676 conditions, 507 events. 242/507 cut-off events. For 390/508 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 2508 event pairs, 17 based on Foata normal form. 22/512 useless extension candidates. Maximal degree in co-relation 1649. Up to 293 conditions per place. [2021-03-24 11:05:38,696 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 27 selfloop transitions, 29 changer transitions 8/82 dead transitions. [2021-03-24 11:05:38,696 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 82 transitions, 533 flow [2021-03-24 11:05:38,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:38,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1369 transitions. [2021-03-24 11:05:38,700 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7730095990965556 [2021-03-24 11:05:38,700 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1369 transitions. [2021-03-24 11:05:38,700 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1369 transitions. [2021-03-24 11:05:38,701 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,701 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1369 transitions. [2021-03-24 11:05:38,703 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 124.45454545454545) internal successors, (1369), 11 states have internal predecessors, (1369), 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) [2021-03-24 11:05:38,706 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:38,706 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:38,707 INFO L185 Difference]: Start difference. First operand has 53 places, 39 transitions, 158 flow. Second operand 11 states and 1369 transitions. [2021-03-24 11:05:38,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 82 transitions, 533 flow [2021-03-24 11:05:38,711 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 57 places, 82 transitions, 525 flow, removed 1 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:38,713 INFO L241 Difference]: Finished difference. Result has 62 places, 63 transitions, 416 flow [2021-03-24 11:05:38,713 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=151, PETRI_DIFFERENCE_MINUEND_PLACES=47, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=416, PETRI_PLACES=62, PETRI_TRANSITIONS=63} [2021-03-24 11:05:38,713 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2021-03-24 11:05:38,713 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 63 transitions, 416 flow [2021-03-24 11:05:38,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 121.0) internal successors, (1210), 10 states have internal predecessors, (1210), 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) [2021-03-24 11:05:38,714 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,714 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, 1, 1, 1] [2021-03-24 11:05:38,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-03-24 11:05:38,714 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1254294608, now seen corresponding path program 1 times [2021-03-24 11:05:38,714 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475256812] [2021-03-24 11:05:38,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:38,791 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,792 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,792 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:38,796 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:38,796 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:38,802 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:38,802 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:38,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:38,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475256812] [2021-03-24 11:05:38,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:38,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-03-24 11:05:38,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211114249] [2021-03-24 11:05:38,803 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-24 11:05:38,803 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:38,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-24 11:05:38,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-03-24 11:05:38,805 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:38,805 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 63 transitions, 416 flow. Second operand has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 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) [2021-03-24 11:05:38,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:38,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:38,806 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:38,937 INFO L129 PetriNetUnfolder]: 320/687 cut-off events. [2021-03-24 11:05:38,937 INFO L130 PetriNetUnfolder]: For 1184/1365 co-relation queries the response was YES. [2021-03-24 11:05:38,940 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2200 conditions, 687 events. 320/687 cut-off events. For 1184/1365 co-relation queries the response was YES. Maximal size of possible extension queue 103. Compared 4247 event pairs, 84 based on Foata normal form. 101/733 useless extension candidates. Maximal degree in co-relation 2170. Up to 295 conditions per place. [2021-03-24 11:05:38,944 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 10 selfloop transitions, 8 changer transitions 0/73 dead transitions. [2021-03-24 11:05:38,944 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 73 transitions, 472 flow [2021-03-24 11:05:38,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-03-24 11:05:38,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-03-24 11:05:38,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 698 transitions. [2021-03-24 11:05:38,946 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.867080745341615 [2021-03-24 11:05:38,946 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 698 transitions. [2021-03-24 11:05:38,946 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 698 transitions. [2021-03-24 11:05:38,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:38,947 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 698 transitions. [2021-03-24 11:05:38,948 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 139.6) internal successors, (698), 5 states have internal predecessors, (698), 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) [2021-03-24 11:05:38,950 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:38,950 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 161.0) internal successors, (966), 6 states have internal predecessors, (966), 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) [2021-03-24 11:05:38,950 INFO L185 Difference]: Start difference. First operand has 62 places, 63 transitions, 416 flow. Second operand 5 states and 698 transitions. [2021-03-24 11:05:38,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 73 transitions, 472 flow [2021-03-24 11:05:38,954 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 73 transitions, 441 flow, removed 13 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:38,957 INFO L241 Difference]: Finished difference. Result has 62 places, 70 transitions, 453 flow [2021-03-24 11:05:38,957 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=385, PETRI_DIFFERENCE_MINUEND_PLACES=55, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=453, PETRI_PLACES=62, PETRI_TRANSITIONS=70} [2021-03-24 11:05:38,957 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 13 predicate places. [2021-03-24 11:05:38,957 INFO L480 AbstractCegarLoop]: Abstraction has has 62 places, 70 transitions, 453 flow [2021-03-24 11:05:38,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 136.75) internal successors, (547), 4 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) [2021-03-24 11:05:38,958 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:38,958 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, 1] [2021-03-24 11:05:38,958 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-03-24 11:05:38,958 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:38,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:38,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1629395426, now seen corresponding path program 1 times [2021-03-24 11:05:38,959 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:38,959 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573126894] [2021-03-24 11:05:38,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:39,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,049 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,052 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,053 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,057 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:39,060 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:39,066 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,067 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:39,067 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573126894] [2021-03-24 11:05:39,067 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:39,067 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-24 11:05:39,067 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828788364] [2021-03-24 11:05:39,068 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-03-24 11:05:39,068 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:39,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-03-24 11:05:39,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-03-24 11:05:39,069 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:39,070 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 62 places, 70 transitions, 453 flow. Second operand has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 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) [2021-03-24 11:05:39,070 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:39,070 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:39,070 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:39,184 INFO L129 PetriNetUnfolder]: 171/460 cut-off events. [2021-03-24 11:05:39,184 INFO L130 PetriNetUnfolder]: For 1463/2367 co-relation queries the response was YES. [2021-03-24 11:05:39,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1796 conditions, 460 events. 171/460 cut-off events. For 1463/2367 co-relation queries the response was YES. Maximal size of possible extension queue 74. Compared 2900 event pairs, 21 based on Foata normal form. 274/698 useless extension candidates. Maximal degree in co-relation 1766. Up to 229 conditions per place. [2021-03-24 11:05:39,188 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 7 selfloop transitions, 15 changer transitions 3/77 dead transitions. [2021-03-24 11:05:39,188 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 68 places, 77 transitions, 537 flow [2021-03-24 11:05:39,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-24 11:05:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-03-24 11:05:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 977 transitions. [2021-03-24 11:05:39,191 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8669032830523514 [2021-03-24 11:05:39,191 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 977 transitions. [2021-03-24 11:05:39,192 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 977 transitions. [2021-03-24 11:05:39,192 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:39,192 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 977 transitions. [2021-03-24 11:05:39,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 139.57142857142858) internal successors, (977), 7 states have internal predecessors, (977), 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) [2021-03-24 11:05:39,197 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 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) [2021-03-24 11:05:39,197 INFO L81 ComplementDD]: Finished complementDD. Result 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) [2021-03-24 11:05:39,197 INFO L185 Difference]: Start difference. First operand has 62 places, 70 transitions, 453 flow. Second operand 7 states and 977 transitions. [2021-03-24 11:05:39,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 68 places, 77 transitions, 537 flow [2021-03-24 11:05:39,200 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 67 places, 77 transitions, 533 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-24 11:05:39,202 INFO L241 Difference]: Finished difference. Result has 70 places, 74 transitions, 532 flow [2021-03-24 11:05:39,202 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=61, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=55, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=532, PETRI_PLACES=70, PETRI_TRANSITIONS=74} [2021-03-24 11:05:39,202 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 21 predicate places. [2021-03-24 11:05:39,202 INFO L480 AbstractCegarLoop]: Abstraction has has 70 places, 74 transitions, 532 flow [2021-03-24 11:05:39,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 136.8) internal successors, (684), 5 states have internal predecessors, (684), 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) [2021-03-24 11:05:39,203 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:39,203 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, 1, 1, 1] [2021-03-24 11:05:39,203 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-03-24 11:05:39,203 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:39,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:39,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1247590170, now seen corresponding path program 1 times [2021-03-24 11:05:39,204 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:39,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512666501] [2021-03-24 11:05:39,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:39,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:39,297 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,297 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,298 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,298 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,301 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,301 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,304 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,305 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,310 INFO L142 QuantifierPusher]: treesize reduction 11, result has 45.0 percent of original size [2021-03-24 11:05:39,311 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-03-24 11:05:39,318 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,318 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:39,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512666501] [2021-03-24 11:05:39,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:39,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-03-24 11:05:39,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87407636] [2021-03-24 11:05:39,319 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-24 11:05:39,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:39,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-24 11:05:39,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-03-24 11:05:39,321 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 136 out of 161 [2021-03-24 11:05:39,322 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 70 places, 74 transitions, 532 flow. Second operand has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 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) [2021-03-24 11:05:39,322 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:39,322 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 136 of 161 [2021-03-24 11:05:39,322 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:39,475 INFO L129 PetriNetUnfolder]: 127/380 cut-off events. [2021-03-24 11:05:39,475 INFO L130 PetriNetUnfolder]: For 2525/4678 co-relation queries the response was YES. [2021-03-24 11:05:39,477 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1780 conditions, 380 events. 127/380 cut-off events. For 2525/4678 co-relation queries the response was YES. Maximal size of possible extension queue 62. Compared 2440 event pairs, 10 based on Foata normal form. 285/636 useless extension candidates. Maximal degree in co-relation 1746. Up to 203 conditions per place. [2021-03-24 11:05:39,479 INFO L132 encePairwiseOnDemand]: 155/161 looper letters, 4 selfloop transitions, 19 changer transitions 3/76 dead transitions. [2021-03-24 11:05:39,479 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 78 places, 76 transitions, 592 flow [2021-03-24 11:05:39,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:39,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:39,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1250 transitions. [2021-03-24 11:05:39,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.862663906142167 [2021-03-24 11:05:39,482 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1250 transitions. [2021-03-24 11:05:39,482 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1250 transitions. [2021-03-24 11:05:39,482 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:39,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1250 transitions. [2021-03-24 11:05:39,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 138.88888888888889) internal successors, (1250), 9 states have internal predecessors, (1250), 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) [2021-03-24 11:05:39,487 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:39,487 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:39,487 INFO L185 Difference]: Start difference. First operand has 70 places, 74 transitions, 532 flow. Second operand 9 states and 1250 transitions. [2021-03-24 11:05:39,487 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 78 places, 76 transitions, 592 flow [2021-03-24 11:05:39,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 74 places, 76 transitions, 541 flow, removed 18 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:39,496 INFO L241 Difference]: Finished difference. Result has 77 places, 73 transitions, 528 flow [2021-03-24 11:05:39,496 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=459, PETRI_DIFFERENCE_MINUEND_PLACES=66, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=72, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=528, PETRI_PLACES=77, PETRI_TRANSITIONS=73} [2021-03-24 11:05:39,496 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 28 predicate places. [2021-03-24 11:05:39,496 INFO L480 AbstractCegarLoop]: Abstraction has has 77 places, 73 transitions, 528 flow [2021-03-24 11:05:39,497 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 136.83333333333334) internal successors, (821), 6 states have internal predecessors, (821), 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) [2021-03-24 11:05:39,497 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:39,497 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:39,497 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-03-24 11:05:39,497 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:39,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:39,497 INFO L82 PathProgramCache]: Analyzing trace with hash 1107532820, now seen corresponding path program 1 times [2021-03-24 11:05:39,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:39,498 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515513450] [2021-03-24 11:05:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:39,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:39,634 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,635 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:39,636 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,636 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:39,640 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,640 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:39,649 INFO L142 QuantifierPusher]: treesize reduction 9, result has 72.7 percent of original size [2021-03-24 11:05:39,650 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 11:05:39,669 INFO L142 QuantifierPusher]: treesize reduction 37, result has 48.6 percent of original size [2021-03-24 11:05:39,671 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-03-24 11:05:39,703 INFO L142 QuantifierPusher]: treesize reduction 38, result has 60.8 percent of original size [2021-03-24 11:05:39,707 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 59 [2021-03-24 11:05:39,723 INFO L142 QuantifierPusher]: treesize reduction 26, result has 63.4 percent of original size [2021-03-24 11:05:39,725 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 45 [2021-03-24 11:05:39,761 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,761 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:39,776 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:39,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:39,778 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:39,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:39,785 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515513450] [2021-03-24 11:05:39,785 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:39,785 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:39,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693673220] [2021-03-24 11:05:39,786 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:39,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:39,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:39,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:39,788 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 161 [2021-03-24 11:05:39,789 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 77 places, 73 transitions, 528 flow. Second operand has 9 states, 9 states have (on average 113.77777777777777) internal successors, (1024), 9 states have internal predecessors, (1024), 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) [2021-03-24 11:05:39,789 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:39,789 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 161 [2021-03-24 11:05:39,789 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:40,247 INFO L129 PetriNetUnfolder]: 196/630 cut-off events. [2021-03-24 11:05:40,248 INFO L130 PetriNetUnfolder]: For 2939/3489 co-relation queries the response was YES. [2021-03-24 11:05:40,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2772 conditions, 630 events. 196/630 cut-off events. For 2939/3489 co-relation queries the response was YES. Maximal size of possible extension queue 119. Compared 4942 event pairs, 0 based on Foata normal form. 129/721 useless extension candidates. Maximal degree in co-relation 2732. Up to 175 conditions per place. [2021-03-24 11:05:40,255 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 56 selfloop transitions, 27 changer transitions 3/117 dead transitions. [2021-03-24 11:05:40,255 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 117 transitions, 1064 flow [2021-03-24 11:05:40,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1055 transitions. [2021-03-24 11:05:40,258 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.728088336783989 [2021-03-24 11:05:40,258 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1055 transitions. [2021-03-24 11:05:40,258 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1055 transitions. [2021-03-24 11:05:40,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:40,259 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1055 transitions. [2021-03-24 11:05:40,261 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 117.22222222222223) internal successors, (1055), 9 states have internal predecessors, (1055), 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) [2021-03-24 11:05:40,264 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:40,264 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:40,265 INFO L185 Difference]: Start difference. First operand has 77 places, 73 transitions, 528 flow. Second operand 9 states and 1055 transitions. [2021-03-24 11:05:40,265 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 117 transitions, 1064 flow [2021-03-24 11:05:40,288 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 75 places, 117 transitions, 950 flow, removed 40 selfloop flow, removed 9 redundant places. [2021-03-24 11:05:40,291 INFO L241 Difference]: Finished difference. Result has 80 places, 94 transitions, 719 flow [2021-03-24 11:05:40,292 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=67, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=51, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=719, PETRI_PLACES=80, PETRI_TRANSITIONS=94} [2021-03-24 11:05:40,292 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 31 predicate places. [2021-03-24 11:05:40,292 INFO L480 AbstractCegarLoop]: Abstraction has has 80 places, 94 transitions, 719 flow [2021-03-24 11:05:40,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 113.77777777777777) internal successors, (1024), 9 states have internal predecessors, (1024), 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) [2021-03-24 11:05:40,293 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:40,293 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:40,293 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-03-24 11:05:40,294 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:40,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:40,294 INFO L82 PathProgramCache]: Analyzing trace with hash 246522272, now seen corresponding path program 2 times [2021-03-24 11:05:40,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:40,294 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496625652] [2021-03-24 11:05:40,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:40,428 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,429 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:40,429 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,430 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:40,432 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,433 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:40,439 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,439 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:40,447 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,447 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:40,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,460 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:40,475 INFO L142 QuantifierPusher]: treesize reduction 9, result has 88.2 percent of original size [2021-03-24 11:05:40,478 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-03-24 11:05:40,518 INFO L142 QuantifierPusher]: treesize reduction 70, result has 70.2 percent of original size [2021-03-24 11:05:40,525 INFO L147 QuantifierPusher]: treesize reduction 9, result has 94.5 percent of original size 156 [2021-03-24 11:05:40,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,609 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:40,621 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,622 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:40,633 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:40,634 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:40,643 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:40,647 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:40,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:40,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496625652] [2021-03-24 11:05:40,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:40,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-03-24 11:05:40,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884128880] [2021-03-24 11:05:40,655 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-03-24 11:05:40,655 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:40,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-03-24 11:05:40,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-03-24 11:05:40,657 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 110 out of 161 [2021-03-24 11:05:40,658 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 94 transitions, 719 flow. Second operand has 13 states, 13 states have (on average 111.3076923076923) internal successors, (1447), 13 states have internal predecessors, (1447), 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) [2021-03-24 11:05:40,658 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:40,658 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 110 of 161 [2021-03-24 11:05:40,658 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:41,135 INFO L129 PetriNetUnfolder]: 237/771 cut-off events. [2021-03-24 11:05:41,136 INFO L130 PetriNetUnfolder]: For 2404/2908 co-relation queries the response was YES. [2021-03-24 11:05:41,139 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3054 conditions, 771 events. 237/771 cut-off events. For 2404/2908 co-relation queries the response was YES. Maximal size of possible extension queue 158. Compared 6432 event pairs, 4 based on Foata normal form. 158/885 useless extension candidates. Maximal degree in co-relation 3028. Up to 225 conditions per place. [2021-03-24 11:05:41,142 INFO L132 encePairwiseOnDemand]: 146/161 looper letters, 45 selfloop transitions, 38 changer transitions 7/120 dead transitions. [2021-03-24 11:05:41,142 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 120 transitions, 1130 flow [2021-03-24 11:05:41,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-03-24 11:05:41,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2021-03-24 11:05:41,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 1698 transitions. [2021-03-24 11:05:41,147 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7031055900621118 [2021-03-24 11:05:41,147 INFO L72 ComplementDD]: Start complementDD. Operand 15 states and 1698 transitions. [2021-03-24 11:05:41,147 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 1698 transitions. [2021-03-24 11:05:41,148 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:41,148 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 15 states and 1698 transitions. [2021-03-24 11:05:41,151 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 16 states, 15 states have (on average 113.2) internal successors, (1698), 15 states have internal predecessors, (1698), 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) [2021-03-24 11:05:41,154 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 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) [2021-03-24 11:05:41,155 INFO L81 ComplementDD]: Finished complementDD. Result has 16 states, 16 states have (on average 161.0) internal successors, (2576), 16 states have internal predecessors, (2576), 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) [2021-03-24 11:05:41,155 INFO L185 Difference]: Start difference. First operand has 80 places, 94 transitions, 719 flow. Second operand 15 states and 1698 transitions. [2021-03-24 11:05:41,155 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 120 transitions, 1130 flow [2021-03-24 11:05:41,177 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 90 places, 120 transitions, 1111 flow, removed 8 selfloop flow, removed 3 redundant places. [2021-03-24 11:05:41,179 INFO L241 Difference]: Finished difference. Result has 96 places, 108 transitions, 980 flow [2021-03-24 11:05:41,179 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=704, PETRI_DIFFERENCE_MINUEND_PLACES=76, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=94, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=23, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=62, PETRI_DIFFERENCE_SUBTRAHEND_STATES=15, PETRI_FLOW=980, PETRI_PLACES=96, PETRI_TRANSITIONS=108} [2021-03-24 11:05:41,180 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 47 predicate places. [2021-03-24 11:05:41,180 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 108 transitions, 980 flow [2021-03-24 11:05:41,180 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 111.3076923076923) internal successors, (1447), 13 states have internal predecessors, (1447), 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) [2021-03-24 11:05:41,180 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:41,180 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:41,181 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-03-24 11:05:41,181 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:41,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:41,181 INFO L82 PathProgramCache]: Analyzing trace with hash 366181272, now seen corresponding path program 3 times [2021-03-24 11:05:41,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:41,181 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116031524] [2021-03-24 11:05:41,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:41,271 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,271 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,272 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,272 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,276 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 11:05:41,277 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:41,286 INFO L142 QuantifierPusher]: treesize reduction 9, result has 75.0 percent of original size [2021-03-24 11:05:41,287 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-03-24 11:05:41,320 INFO L142 QuantifierPusher]: treesize reduction 49, result has 62.9 percent of original size [2021-03-24 11:05:41,321 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 83 [2021-03-24 11:05:41,360 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:41,369 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:41,369 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:41,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:41,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116031524] [2021-03-24 11:05:41,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:41,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-03-24 11:05:41,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526261258] [2021-03-24 11:05:41,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-24 11:05:41,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:41,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-24 11:05:41,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-03-24 11:05:41,380 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 161 [2021-03-24 11:05:41,381 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 108 transitions, 980 flow. Second operand has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 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) [2021-03-24 11:05:41,381 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:41,381 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 161 [2021-03-24 11:05:41,381 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:41,821 INFO L129 PetriNetUnfolder]: 310/1009 cut-off events. [2021-03-24 11:05:41,821 INFO L130 PetriNetUnfolder]: For 3622/4429 co-relation queries the response was YES. [2021-03-24 11:05:41,827 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4138 conditions, 1009 events. 310/1009 cut-off events. For 3622/4429 co-relation queries the response was YES. Maximal size of possible extension queue 222. Compared 9155 event pairs, 3 based on Foata normal form. 264/1203 useless extension candidates. Maximal degree in co-relation 4107. Up to 315 conditions per place. [2021-03-24 11:05:41,830 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 58 selfloop transitions, 35 changer transitions 39/163 dead transitions. [2021-03-24 11:05:41,830 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 163 transitions, 1809 flow [2021-03-24 11:05:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:41,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:41,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1069 transitions. [2021-03-24 11:05:41,833 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7377501725327812 [2021-03-24 11:05:41,833 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1069 transitions. [2021-03-24 11:05:41,833 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1069 transitions. [2021-03-24 11:05:41,834 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:41,834 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1069 transitions. [2021-03-24 11:05:41,838 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 118.77777777777777) internal successors, (1069), 9 states have internal predecessors, (1069), 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) [2021-03-24 11:05:41,840 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:41,841 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:41,841 INFO L185 Difference]: Start difference. First operand has 96 places, 108 transitions, 980 flow. Second operand 9 states and 1069 transitions. [2021-03-24 11:05:41,841 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 163 transitions, 1809 flow [2021-03-24 11:05:41,877 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 97 places, 163 transitions, 1732 flow, removed 6 selfloop flow, removed 6 redundant places. [2021-03-24 11:05:41,879 INFO L241 Difference]: Finished difference. Result has 102 places, 123 transitions, 1237 flow [2021-03-24 11:05:41,880 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=930, PETRI_DIFFERENCE_MINUEND_PLACES=89, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=18, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1237, PETRI_PLACES=102, PETRI_TRANSITIONS=123} [2021-03-24 11:05:41,880 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 53 predicate places. [2021-03-24 11:05:41,880 INFO L480 AbstractCegarLoop]: Abstraction has has 102 places, 123 transitions, 1237 flow [2021-03-24 11:05:41,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 115.0) internal successors, (920), 8 states have internal predecessors, (920), 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) [2021-03-24 11:05:41,880 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:41,880 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:41,880 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-03-24 11:05:41,881 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:41,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:41,881 INFO L82 PathProgramCache]: Analyzing trace with hash -410587122, now seen corresponding path program 4 times [2021-03-24 11:05:41,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:41,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727563439] [2021-03-24 11:05:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:41,972 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,973 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:41,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,974 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:41,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:41,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:41,987 INFO L142 QuantifierPusher]: treesize reduction 6, result has 91.4 percent of original size [2021-03-24 11:05:41,988 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 64 [2021-03-24 11:05:41,993 INFO L142 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-03-24 11:05:41,994 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:42,008 INFO L142 QuantifierPusher]: treesize reduction 19, result has 61.2 percent of original size [2021-03-24 11:05:42,009 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-03-24 11:05:42,029 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,030 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:42,040 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,041 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:42,050 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:42,050 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:42,056 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:42,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727563439] [2021-03-24 11:05:42,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:42,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:42,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411819666] [2021-03-24 11:05:42,057 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:42,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:42,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:42,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:42,059 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 161 [2021-03-24 11:05:42,060 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 102 places, 123 transitions, 1237 flow. Second operand has 9 states, 9 states have (on average 112.77777777777777) internal successors, (1015), 9 states have internal predecessors, (1015), 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) [2021-03-24 11:05:42,060 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:42,060 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 161 [2021-03-24 11:05:42,060 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:42,376 INFO L129 PetriNetUnfolder]: 200/675 cut-off events. [2021-03-24 11:05:42,376 INFO L130 PetriNetUnfolder]: For 2773/3347 co-relation queries the response was YES. [2021-03-24 11:05:42,380 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2947 conditions, 675 events. 200/675 cut-off events. For 2773/3347 co-relation queries the response was YES. Maximal size of possible extension queue 130. Compared 5480 event pairs, 2 based on Foata normal form. 148/787 useless extension candidates. Maximal degree in co-relation 2913. Up to 185 conditions per place. [2021-03-24 11:05:42,383 INFO L132 encePairwiseOnDemand]: 151/161 looper letters, 74 selfloop transitions, 16 changer transitions 12/133 dead transitions. [2021-03-24 11:05:42,384 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 109 places, 133 transitions, 1542 flow [2021-03-24 11:05:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:42,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1257 transitions. [2021-03-24 11:05:42,387 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.709768492377188 [2021-03-24 11:05:42,387 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1257 transitions. [2021-03-24 11:05:42,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1257 transitions. [2021-03-24 11:05:42,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:42,388 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1257 transitions. [2021-03-24 11:05:42,403 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 114.27272727272727) internal successors, (1257), 11 states have internal predecessors, (1257), 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) [2021-03-24 11:05:42,406 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:42,406 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:42,406 INFO L185 Difference]: Start difference. First operand has 102 places, 123 transitions, 1237 flow. Second operand 11 states and 1257 transitions. [2021-03-24 11:05:42,406 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 109 places, 133 transitions, 1542 flow [2021-03-24 11:05:42,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 105 places, 133 transitions, 1495 flow, removed 21 selfloop flow, removed 4 redundant places. [2021-03-24 11:05:42,471 INFO L241 Difference]: Finished difference. Result has 110 places, 120 transitions, 1235 flow [2021-03-24 11:05:42,471 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1199, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=123, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=107, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=1235, PETRI_PLACES=110, PETRI_TRANSITIONS=120} [2021-03-24 11:05:42,471 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 61 predicate places. [2021-03-24 11:05:42,471 INFO L480 AbstractCegarLoop]: Abstraction has has 110 places, 120 transitions, 1235 flow [2021-03-24 11:05:42,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 112.77777777777777) internal successors, (1015), 9 states have internal predecessors, (1015), 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) [2021-03-24 11:05:42,472 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:42,472 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:42,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-03-24 11:05:42,472 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:42,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:42,473 INFO L82 PathProgramCache]: Analyzing trace with hash 1030104580, now seen corresponding path program 5 times [2021-03-24 11:05:42,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:42,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154464545] [2021-03-24 11:05:42,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:42,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:42,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,604 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:42,604 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,605 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:42,607 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,608 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:42,613 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 11:05:42,614 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:42,626 INFO L142 QuantifierPusher]: treesize reduction 2, result has 90.5 percent of original size [2021-03-24 11:05:42,627 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:42,629 INFO L142 QuantifierPusher]: treesize reduction 28, result has 65.0 percent of original size [2021-03-24 11:05:42,631 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-03-24 11:05:42,679 INFO L142 QuantifierPusher]: treesize reduction 69, result has 56.1 percent of original size [2021-03-24 11:05:42,680 INFO L147 QuantifierPusher]: treesize reduction 27, result has 69.3 percent of original size 61 [2021-03-24 11:05:42,736 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:42,752 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:42,753 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-03-24 11:05:42,753 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:42,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:42,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:42,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154464545] [2021-03-24 11:05:42,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:42,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:42,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12351696] [2021-03-24 11:05:42,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:42,762 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:42,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:42,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:42,764 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 161 [2021-03-24 11:05:42,765 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 110 places, 120 transitions, 1235 flow. Second operand has 9 states, 9 states have (on average 110.88888888888889) internal successors, (998), 9 states have internal predecessors, (998), 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) [2021-03-24 11:05:42,765 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:42,765 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 161 [2021-03-24 11:05:42,765 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:43,303 INFO L129 PetriNetUnfolder]: 210/695 cut-off events. [2021-03-24 11:05:43,303 INFO L130 PetriNetUnfolder]: For 2848/3376 co-relation queries the response was YES. [2021-03-24 11:05:43,308 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3066 conditions, 695 events. 210/695 cut-off events. For 2848/3376 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 5643 event pairs, 0 based on Foata normal form. 169/827 useless extension candidates. Maximal degree in co-relation 3029. Up to 195 conditions per place. [2021-03-24 11:05:43,311 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 54 selfloop transitions, 50 changer transitions 7/141 dead transitions. [2021-03-24 11:05:43,311 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 111 places, 141 transitions, 1672 flow [2021-03-24 11:05:43,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-24 11:05:43,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2021-03-24 11:05:43,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 1021 transitions. [2021-03-24 11:05:43,315 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.704623878536922 [2021-03-24 11:05:43,315 INFO L72 ComplementDD]: Start complementDD. Operand 9 states and 1021 transitions. [2021-03-24 11:05:43,315 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 1021 transitions. [2021-03-24 11:05:43,315 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:43,315 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 9 states and 1021 transitions. [2021-03-24 11:05:43,316 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 10 states, 9 states have (on average 113.44444444444444) internal successors, (1021), 9 states have internal predecessors, (1021), 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) [2021-03-24 11:05:43,318 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:43,319 INFO L81 ComplementDD]: Finished complementDD. Result has 10 states, 10 states have (on average 161.0) internal successors, (1610), 10 states have internal predecessors, (1610), 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) [2021-03-24 11:05:43,319 INFO L185 Difference]: Start difference. First operand has 110 places, 120 transitions, 1235 flow. Second operand 9 states and 1021 transitions. [2021-03-24 11:05:43,319 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 111 places, 141 transitions, 1672 flow [2021-03-24 11:05:43,344 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 103 places, 141 transitions, 1644 flow, removed 11 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:43,349 INFO L241 Difference]: Finished difference. Result has 106 places, 121 transitions, 1372 flow [2021-03-24 11:05:43,349 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1217, PETRI_DIFFERENCE_MINUEND_PLACES=95, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=120, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=44, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=1372, PETRI_PLACES=106, PETRI_TRANSITIONS=121} [2021-03-24 11:05:43,349 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 57 predicate places. [2021-03-24 11:05:43,349 INFO L480 AbstractCegarLoop]: Abstraction has has 106 places, 121 transitions, 1372 flow [2021-03-24 11:05:43,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 110.88888888888889) internal successors, (998), 9 states have internal predecessors, (998), 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) [2021-03-24 11:05:43,350 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:43,350 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:43,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-03-24 11:05:43,351 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1612015444, now seen corresponding path program 6 times [2021-03-24 11:05:43,352 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:43,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024606471] [2021-03-24 11:05:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:43,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:43,451 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,452 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:43,453 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,453 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:43,458 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,459 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:43,466 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,466 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:43,471 INFO L142 QuantifierPusher]: treesize reduction 30, result has 38.8 percent of original size [2021-03-24 11:05:43,471 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:43,484 INFO L142 QuantifierPusher]: treesize reduction 5, result has 93.2 percent of original size [2021-03-24 11:05:43,488 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 68 [2021-03-24 11:05:43,548 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,549 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-03-24 11:05:43,566 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:43,567 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:43,580 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:43,581 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:43,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:43,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024606471] [2021-03-24 11:05:43,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:43,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:43,590 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786582476] [2021-03-24 11:05:43,591 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:43,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:43,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:43,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:43,593 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 109 out of 161 [2021-03-24 11:05:43,593 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 106 places, 121 transitions, 1372 flow. Second operand has 9 states, 9 states have (on average 110.88888888888889) internal successors, (998), 9 states have internal predecessors, (998), 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) [2021-03-24 11:05:43,594 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:43,594 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 109 of 161 [2021-03-24 11:05:43,594 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:44,404 INFO L129 PetriNetUnfolder]: 249/829 cut-off events. [2021-03-24 11:05:44,404 INFO L130 PetriNetUnfolder]: For 3633/4094 co-relation queries the response was YES. [2021-03-24 11:05:44,409 INFO L84 FinitePrefix]: Finished finitePrefix Result has 3697 conditions, 829 events. 249/829 cut-off events. For 3633/4094 co-relation queries the response was YES. Maximal size of possible extension queue 186. Compared 7107 event pairs, 4 based on Foata normal form. 162/946 useless extension candidates. Maximal degree in co-relation 3662. Up to 250 conditions per place. [2021-03-24 11:05:44,413 INFO L132 encePairwiseOnDemand]: 150/161 looper letters, 61 selfloop transitions, 36 changer transitions 18/145 dead transitions. [2021-03-24 11:05:44,413 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 145 transitions, 1877 flow [2021-03-24 11:05:44,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:05:44,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:05:44,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1350 transitions. [2021-03-24 11:05:44,416 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6987577639751553 [2021-03-24 11:05:44,416 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1350 transitions. [2021-03-24 11:05:44,416 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1350 transitions. [2021-03-24 11:05:44,416 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:44,416 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1350 transitions. [2021-03-24 11:05:44,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 112.5) internal successors, (1350), 12 states have internal predecessors, (1350), 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) [2021-03-24 11:05:44,422 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 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) [2021-03-24 11:05:44,422 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 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) [2021-03-24 11:05:44,422 INFO L185 Difference]: Start difference. First operand has 106 places, 121 transitions, 1372 flow. Second operand 12 states and 1350 transitions. [2021-03-24 11:05:44,422 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 145 transitions, 1877 flow [2021-03-24 11:05:44,528 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 145 transitions, 1846 flow, removed 9 selfloop flow, removed 5 redundant places. [2021-03-24 11:05:44,531 INFO L241 Difference]: Finished difference. Result has 116 places, 116 transitions, 1407 flow [2021-03-24 11:05:44,531 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1343, PETRI_DIFFERENCE_MINUEND_PLACES=100, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=121, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=30, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=86, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=1407, PETRI_PLACES=116, PETRI_TRANSITIONS=116} [2021-03-24 11:05:44,531 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 67 predicate places. [2021-03-24 11:05:44,531 INFO L480 AbstractCegarLoop]: Abstraction has has 116 places, 116 transitions, 1407 flow [2021-03-24 11:05:44,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 110.88888888888889) internal successors, (998), 9 states have internal predecessors, (998), 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) [2021-03-24 11:05:44,532 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:44,532 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:44,532 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-03-24 11:05:44,532 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:44,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:44,533 INFO L82 PathProgramCache]: Analyzing trace with hash -153597010, now seen corresponding path program 7 times [2021-03-24 11:05:44,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:44,533 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596156787] [2021-03-24 11:05:44,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:44,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:44,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:44,629 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:44,632 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,632 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:44,639 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:44,639 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:44,649 INFO L142 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-03-24 11:05:44,649 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:44,660 INFO L142 QuantifierPusher]: treesize reduction 4, result has 85.2 percent of original size [2021-03-24 11:05:44,660 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-03-24 11:05:44,684 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.7 percent of original size [2021-03-24 11:05:44,685 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-03-24 11:05:44,699 INFO L142 QuantifierPusher]: treesize reduction 3, result has 78.6 percent of original size [2021-03-24 11:05:44,699 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-03-24 11:05:44,709 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:44,710 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:44,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:44,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596156787] [2021-03-24 11:05:44,719 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:44,719 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-03-24 11:05:44,719 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15502619] [2021-03-24 11:05:44,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-24 11:05:44,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:44,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-24 11:05:44,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-03-24 11:05:44,723 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:44,724 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 116 places, 116 transitions, 1407 flow. Second operand has 10 states, 10 states have (on average 115.6) internal successors, (1156), 10 states have internal predecessors, (1156), 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) [2021-03-24 11:05:44,724 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:44,724 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:44,724 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:45,179 INFO L129 PetriNetUnfolder]: 277/922 cut-off events. [2021-03-24 11:05:45,180 INFO L130 PetriNetUnfolder]: For 4253/4629 co-relation queries the response was YES. [2021-03-24 11:05:45,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 4102 conditions, 922 events. 277/922 cut-off events. For 4253/4629 co-relation queries the response was YES. Maximal size of possible extension queue 220. Compared 8126 event pairs, 1 based on Foata normal form. 123/984 useless extension candidates. Maximal degree in co-relation 4061. Up to 300 conditions per place. [2021-03-24 11:05:45,190 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 45 selfloop transitions, 15 changer transitions 50/141 dead transitions. [2021-03-24 11:05:45,190 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 141 transitions, 1916 flow [2021-03-24 11:05:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:45,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:45,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1297 transitions. [2021-03-24 11:05:45,195 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7323546019198193 [2021-03-24 11:05:45,195 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1297 transitions. [2021-03-24 11:05:45,195 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1297 transitions. [2021-03-24 11:05:45,198 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:45,198 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1297 transitions. [2021-03-24 11:05:45,202 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 117.9090909090909) internal successors, (1297), 11 states have internal predecessors, (1297), 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) [2021-03-24 11:05:45,204 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:45,205 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:45,205 INFO L185 Difference]: Start difference. First operand has 116 places, 116 transitions, 1407 flow. Second operand 11 states and 1297 transitions. [2021-03-24 11:05:45,205 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 141 transitions, 1916 flow [2021-03-24 11:05:45,246 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 116 places, 141 transitions, 1818 flow, removed 30 selfloop flow, removed 8 redundant places. [2021-03-24 11:05:45,248 INFO L241 Difference]: Finished difference. Result has 119 places, 86 transitions, 890 flow [2021-03-24 11:05:45,248 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=1327, PETRI_DIFFERENCE_MINUEND_PLACES=106, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=101, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=890, PETRI_PLACES=119, PETRI_TRANSITIONS=86} [2021-03-24 11:05:45,248 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 70 predicate places. [2021-03-24 11:05:45,248 INFO L480 AbstractCegarLoop]: Abstraction has has 119 places, 86 transitions, 890 flow [2021-03-24 11:05:45,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 115.6) internal successors, (1156), 10 states have internal predecessors, (1156), 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) [2021-03-24 11:05:45,249 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:45,249 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:45,249 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-03-24 11:05:45,249 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:45,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:45,249 INFO L82 PathProgramCache]: Analyzing trace with hash -878651082, now seen corresponding path program 8 times [2021-03-24 11:05:45,250 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:45,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941532657] [2021-03-24 11:05:45,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:45,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:45,334 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:45,335 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,336 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,338 INFO L142 QuantifierPusher]: treesize reduction 2, result has 88.9 percent of original size [2021-03-24 11:05:45,339 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:45,349 INFO L142 QuantifierPusher]: treesize reduction 12, result has 73.9 percent of original size [2021-03-24 11:05:45,350 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-03-24 11:05:45,385 INFO L142 QuantifierPusher]: treesize reduction 12, result has 66.7 percent of original size [2021-03-24 11:05:45,386 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-03-24 11:05:45,409 INFO L142 QuantifierPusher]: treesize reduction 26, result has 59.4 percent of original size [2021-03-24 11:05:45,410 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 38 [2021-03-24 11:05:45,440 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,441 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:45,454 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:45,454 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:45,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:45,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941532657] [2021-03-24 11:05:45,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:45,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-03-24 11:05:45,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504161609] [2021-03-24 11:05:45,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-24 11:05:45,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:45,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-24 11:05:45,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-03-24 11:05:45,466 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 115 out of 161 [2021-03-24 11:05:45,467 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 86 transitions, 890 flow. Second operand has 9 states, 9 states have (on average 116.66666666666667) internal successors, (1050), 9 states have internal predecessors, (1050), 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) [2021-03-24 11:05:45,467 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:45,467 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 115 of 161 [2021-03-24 11:05:45,467 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:45,803 INFO L129 PetriNetUnfolder]: 143/488 cut-off events. [2021-03-24 11:05:45,804 INFO L130 PetriNetUnfolder]: For 1899/2058 co-relation queries the response was YES. [2021-03-24 11:05:45,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2095 conditions, 488 events. 143/488 cut-off events. For 1899/2058 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 3654 event pairs, 0 based on Foata normal form. 48/499 useless extension candidates. Maximal degree in co-relation 2057. Up to 165 conditions per place. [2021-03-24 11:05:45,809 INFO L132 encePairwiseOnDemand]: 149/161 looper letters, 38 selfloop transitions, 7 changer transitions 17/94 dead transitions. [2021-03-24 11:05:45,809 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 128 places, 94 transitions, 1103 flow [2021-03-24 11:05:45,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-24 11:05:45,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2021-03-24 11:05:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 1415 transitions. [2021-03-24 11:05:45,811 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7324016563146998 [2021-03-24 11:05:45,811 INFO L72 ComplementDD]: Start complementDD. Operand 12 states and 1415 transitions. [2021-03-24 11:05:45,811 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 1415 transitions. [2021-03-24 11:05:45,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:45,811 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 12 states and 1415 transitions. [2021-03-24 11:05:45,813 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 13 states, 12 states have (on average 117.91666666666667) internal successors, (1415), 12 states have internal predecessors, (1415), 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) [2021-03-24 11:05:45,815 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 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) [2021-03-24 11:05:45,815 INFO L81 ComplementDD]: Finished complementDD. Result has 13 states, 13 states have (on average 161.0) internal successors, (2093), 13 states have internal predecessors, (2093), 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) [2021-03-24 11:05:45,815 INFO L185 Difference]: Start difference. First operand has 119 places, 86 transitions, 890 flow. Second operand 12 states and 1415 transitions. [2021-03-24 11:05:45,816 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 128 places, 94 transitions, 1103 flow [2021-03-24 11:05:45,829 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 94 transitions, 954 flow, removed 26 selfloop flow, removed 18 redundant places. [2021-03-24 11:05:45,831 INFO L241 Difference]: Finished difference. Result has 115 places, 77 transitions, 677 flow [2021-03-24 11:05:45,831 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=754, PETRI_DIFFERENCE_MINUEND_PLACES=99, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=86, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=79, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=677, PETRI_PLACES=115, PETRI_TRANSITIONS=77} [2021-03-24 11:05:45,831 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 66 predicate places. [2021-03-24 11:05:45,831 INFO L480 AbstractCegarLoop]: Abstraction has has 115 places, 77 transitions, 677 flow [2021-03-24 11:05:45,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 116.66666666666667) internal successors, (1050), 9 states have internal predecessors, (1050), 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) [2021-03-24 11:05:45,832 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:45,832 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:45,832 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-03-24 11:05:45,832 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:45,832 INFO L82 PathProgramCache]: Analyzing trace with hash 608828592, now seen corresponding path program 9 times [2021-03-24 11:05:45,833 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:45,833 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451829037] [2021-03-24 11:05:45,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:45,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:45,933 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,933 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:45,936 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,936 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-24 11:05:45,942 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,942 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:45,950 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,951 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:45,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:45,963 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:45,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-03-24 11:05:45,980 INFO L142 QuantifierPusher]: treesize reduction 29, result has 61.3 percent of original size [2021-03-24 11:05:45,980 INFO L147 QuantifierPusher]: treesize reduction 8, result has 82.6 percent of original size 38 [2021-03-24 11:05:45,990 INFO L142 QuantifierPusher]: treesize reduction 29, result has 64.6 percent of original size [2021-03-24 11:05:45,991 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 53 [2021-03-24 11:05:46,024 INFO L142 QuantifierPusher]: treesize reduction 3, result has 84.2 percent of original size [2021-03-24 11:05:46,025 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-03-24 11:05:46,044 INFO L142 QuantifierPusher]: treesize reduction 3, result has 87.0 percent of original size [2021-03-24 11:05:46,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-24 11:05:46,065 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:46,065 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:46,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:46,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451829037] [2021-03-24 11:05:46,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:46,072 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-03-24 11:05:46,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551136212] [2021-03-24 11:05:46,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-24 11:05:46,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:46,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-24 11:05:46,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-03-24 11:05:46,073 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 161 [2021-03-24 11:05:46,074 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 115 places, 77 transitions, 677 flow. Second operand has 11 states, 11 states have (on average 115.45454545454545) internal successors, (1270), 11 states have internal predecessors, (1270), 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) [2021-03-24 11:05:46,074 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:46,074 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 161 [2021-03-24 11:05:46,074 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:46,466 INFO L129 PetriNetUnfolder]: 114/392 cut-off events. [2021-03-24 11:05:46,466 INFO L130 PetriNetUnfolder]: For 1262/1399 co-relation queries the response was YES. [2021-03-24 11:05:46,469 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1621 conditions, 392 events. 114/392 cut-off events. For 1262/1399 co-relation queries the response was YES. Maximal size of possible extension queue 98. Compared 2646 event pairs, 0 based on Foata normal form. 41/406 useless extension candidates. Maximal degree in co-relation 1586. Up to 130 conditions per place. [2021-03-24 11:05:46,470 INFO L132 encePairwiseOnDemand]: 148/161 looper letters, 18 selfloop transitions, 21 changer transitions 9/79 dead transitions. [2021-03-24 11:05:46,470 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 115 places, 79 transitions, 785 flow [2021-03-24 11:05:46,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-24 11:05:46,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2021-03-24 11:05:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1282 transitions. [2021-03-24 11:05:46,483 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7238848108413326 [2021-03-24 11:05:46,483 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1282 transitions. [2021-03-24 11:05:46,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1282 transitions. [2021-03-24 11:05:46,483 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:46,483 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1282 transitions. [2021-03-24 11:05:46,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 116.54545454545455) internal successors, (1282), 11 states have internal predecessors, (1282), 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) [2021-03-24 11:05:46,488 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:46,488 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 161.0) internal successors, (1932), 12 states have internal predecessors, (1932), 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) [2021-03-24 11:05:46,488 INFO L185 Difference]: Start difference. First operand has 115 places, 77 transitions, 677 flow. Second operand 11 states and 1282 transitions. [2021-03-24 11:05:46,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 115 places, 79 transitions, 785 flow [2021-03-24 11:05:46,497 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 94 places, 79 transitions, 686 flow, removed 17 selfloop flow, removed 21 redundant places. [2021-03-24 11:05:46,498 INFO L241 Difference]: Finished difference. Result has 96 places, 69 transitions, 533 flow [2021-03-24 11:05:46,498 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=584, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=21, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=533, PETRI_PLACES=96, PETRI_TRANSITIONS=69} [2021-03-24 11:05:46,499 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 47 predicate places. [2021-03-24 11:05:46,499 INFO L480 AbstractCegarLoop]: Abstraction has has 96 places, 69 transitions, 533 flow [2021-03-24 11:05:46,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 115.45454545454545) internal successors, (1270), 11 states have internal predecessors, (1270), 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) [2021-03-24 11:05:46,499 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:46,499 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:46,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2021-03-24 11:05:46,499 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:46,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:46,500 INFO L82 PathProgramCache]: Analyzing trace with hash 326866514, now seen corresponding path program 10 times [2021-03-24 11:05:46,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:46,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76678055] [2021-03-24 11:05:46,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:46,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-24 11:05:46,602 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-24 11:05:46,603 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,603 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-24 11:05:46,606 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,607 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-03-24 11:05:46,618 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,619 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-03-24 11:05:46,628 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,629 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-03-24 11:05:46,649 INFO L142 QuantifierPusher]: treesize reduction 127, result has 36.2 percent of original size [2021-03-24 11:05:46,650 INFO L147 QuantifierPusher]: treesize reduction 27, result has 62.5 percent of original size 45 [2021-03-24 11:05:46,690 INFO L142 QuantifierPusher]: treesize reduction 109, result has 39.8 percent of original size [2021-03-24 11:05:46,692 INFO L147 QuantifierPusher]: treesize reduction 27, result has 62.5 percent of original size 45 [2021-03-24 11:05:46,696 INFO L142 QuantifierPusher]: treesize reduction 138, result has 41.8 percent of original size [2021-03-24 11:05:46,697 INFO L147 QuantifierPusher]: treesize reduction 35, result has 64.6 percent of original size 64 [2021-03-24 11:05:46,708 INFO L142 QuantifierPusher]: treesize reduction 143, result has 51.7 percent of original size [2021-03-24 11:05:46,711 INFO L147 QuantifierPusher]: treesize reduction 84, result has 45.1 percent of original size 69 [2021-03-24 11:05:46,798 INFO L142 QuantifierPusher]: treesize reduction 109, result has 40.1 percent of original size [2021-03-24 11:05:46,799 INFO L147 QuantifierPusher]: treesize reduction 27, result has 63.0 percent of original size 46 [2021-03-24 11:05:46,840 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,841 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-03-24 11:05:46,857 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-24 11:05:46,858 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-03-24 11:05:46,874 INFO L142 QuantifierPusher]: treesize reduction 9, result has 30.8 percent of original size [2021-03-24 11:05:46,874 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-24 11:05:46,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-24 11:05:46,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76678055] [2021-03-24 11:05:46,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-24 11:05:46,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-03-24 11:05:46,881 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705440790] [2021-03-24 11:05:46,882 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-03-24 11:05:46,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-24 11:05:46,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-03-24 11:05:46,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-03-24 11:05:46,884 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 108 out of 161 [2021-03-24 11:05:46,885 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 96 places, 69 transitions, 533 flow. Second operand has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 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) [2021-03-24 11:05:46,885 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-24 11:05:46,885 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 108 of 161 [2021-03-24 11:05:46,885 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-24 11:05:47,240 INFO L129 PetriNetUnfolder]: 97/347 cut-off events. [2021-03-24 11:05:47,240 INFO L130 PetriNetUnfolder]: For 786/848 co-relation queries the response was YES. [2021-03-24 11:05:47,243 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1373 conditions, 347 events. 97/347 cut-off events. For 786/848 co-relation queries the response was YES. Maximal size of possible extension queue 89. Compared 2297 event pairs, 0 based on Foata normal form. 22/345 useless extension candidates. Maximal degree in co-relation 1346. Up to 115 conditions per place. [2021-03-24 11:05:47,244 INFO L132 encePairwiseOnDemand]: 153/161 looper letters, 20 selfloop transitions, 11 changer transitions 19/80 dead transitions. [2021-03-24 11:05:47,244 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 103 places, 80 transitions, 729 flow [2021-03-24 11:05:47,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-24 11:05:47,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2021-03-24 11:05:47,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1109 transitions. [2021-03-24 11:05:47,246 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6888198757763975 [2021-03-24 11:05:47,246 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1109 transitions. [2021-03-24 11:05:47,246 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1109 transitions. [2021-03-24 11:05:47,246 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-24 11:05:47,246 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1109 transitions. [2021-03-24 11:05:47,248 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 110.9) internal successors, (1109), 10 states have internal predecessors, (1109), 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) [2021-03-24 11:05:47,249 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 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) [2021-03-24 11:05:47,250 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 161.0) internal successors, (1771), 11 states have internal predecessors, (1771), 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) [2021-03-24 11:05:47,250 INFO L185 Difference]: Start difference. First operand has 96 places, 69 transitions, 533 flow. Second operand 10 states and 1109 transitions. [2021-03-24 11:05:47,250 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 103 places, 80 transitions, 729 flow [2021-03-24 11:05:47,257 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 89 places, 80 transitions, 650 flow, removed 6 selfloop flow, removed 14 redundant places. [2021-03-24 11:05:47,258 INFO L241 Difference]: Finished difference. Result has 91 places, 59 transitions, 397 flow [2021-03-24 11:05:47,258 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=161, PETRI_DIFFERENCE_MINUEND_FLOW=470, PETRI_DIFFERENCE_MINUEND_PLACES=80, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=69, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=11, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=58, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=397, PETRI_PLACES=91, PETRI_TRANSITIONS=59} [2021-03-24 11:05:47,259 INFO L343 CegarLoopForPetriNet]: 49 programPoint places, 42 predicate places. [2021-03-24 11:05:47,259 INFO L480 AbstractCegarLoop]: Abstraction has has 91 places, 59 transitions, 397 flow [2021-03-24 11:05:47,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 109.41666666666667) internal successors, (1313), 12 states have internal predecessors, (1313), 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) [2021-03-24 11:05:47,259 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-03-24 11:05:47,259 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, 1, 1, 1, 1, 1, 1] [2021-03-24 11:05:47,259 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-03-24 11:05:47,259 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-24 11:05:47,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-24 11:05:47,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1501946260, now seen corresponding path program 11 times [2021-03-24 11:05:47,260 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-24 11:05:47,260 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012677174] [2021-03-24 11:05:47,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-24 11:05:47,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:47,316 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-24 11:05:47,382 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-24 11:05:47,426 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-24 11:05:47,426 INFO L634 BasicCegarLoop]: Counterexample might be feasible [2021-03-24 11:05:47,426 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-03-24 11:05:47,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.03 11:05:47 BasicIcfg [2021-03-24 11:05:47,517 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-24 11:05:47,518 INFO L168 Benchmark]: Toolchain (without parser) took 20352.77 ms. Allocated memory was 356.5 MB in the beginning and 767.6 MB in the end (delta: 411.0 MB). Free memory was 319.7 MB in the beginning and 444.6 MB in the end (delta: -124.9 MB). Peak memory consumption was 287.9 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,518 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 356.5 MB. Free memory was 338.0 MB in the beginning and 337.9 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-24 11:05:47,518 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.37 ms. Allocated memory is still 356.5 MB. Free memory was 319.6 MB in the beginning and 312.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,518 INFO L168 Benchmark]: Boogie Procedure Inliner took 63.85 ms. Allocated memory is still 356.5 MB. Free memory was 312.0 MB in the beginning and 308.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,518 INFO L168 Benchmark]: Boogie Preprocessor took 47.44 ms. Allocated memory is still 356.5 MB. Free memory was 308.8 MB in the beginning and 305.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,518 INFO L168 Benchmark]: RCFGBuilder took 3033.39 ms. Allocated memory was 356.5 MB in the beginning and 455.1 MB in the end (delta: 98.6 MB). Free memory was 305.7 MB in the beginning and 294.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 170.2 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,519 INFO L168 Benchmark]: TraceAbstraction took 16563.98 ms. Allocated memory was 455.1 MB in the beginning and 767.6 MB in the end (delta: 312.5 MB). Free memory was 294.8 MB in the beginning and 444.6 MB in the end (delta: -149.8 MB). Peak memory consumption was 162.7 MB. Max. memory is 16.0 GB. [2021-03-24 11:05:47,519 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 356.5 MB. Free memory was 338.0 MB in the beginning and 337.9 MB in the end (delta: 75.9 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 638.37 ms. Allocated memory is still 356.5 MB. Free memory was 319.6 MB in the beginning and 312.0 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 63.85 ms. Allocated memory is still 356.5 MB. Free memory was 312.0 MB in the beginning and 308.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 47.44 ms. Allocated memory is still 356.5 MB. Free memory was 308.8 MB in the beginning and 305.7 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 3033.39 ms. Allocated memory was 356.5 MB in the beginning and 455.1 MB in the end (delta: 98.6 MB). Free memory was 305.7 MB in the beginning and 294.8 MB in the end (delta: 10.8 MB). Peak memory consumption was 170.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 16563.98 ms. Allocated memory was 455.1 MB in the beginning and 767.6 MB in the end (delta: 312.5 MB). Free memory was 294.8 MB in the beginning and 444.6 MB in the end (delta: -149.8 MB). Peak memory consumption was 162.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5153.9ms, 104 PlacesBefore, 49 PlacesAfterwards, 96 TransitionsBefore, 40 TransitionsAfterwards, 1786 CoEnabledTransitionPairs, 5 FixpointIterations, 27 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 1 ConcurrentYvCompositions, 1 ChoiceCompositions, 62 TotalNumberOfCompositions, 3300 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1327, positive: 1239, positive conditional: 0, positive unconditional: 1239, negative: 88, negative conditional: 0, negative unconditional: 88, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 780, positive: 753, positive conditional: 0, positive unconditional: 753, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1327, positive: 486, positive conditional: 0, positive unconditional: 486, negative: 61, negative conditional: 0, negative unconditional: 61, unknown: 780, unknown conditional: 0, unknown unconditional: 780] , Statistics on independence cache: Total cache size (in pairs): 81, Positive cache size: 68, Positive conditional cache size: 0, Positive unconditional cache size: 68, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; VAL [__unbuffered_cnt=0] [L712] 0 int __unbuffered_p0_EAX = 0; [L714] 0 int __unbuffered_p2_EAX = 0; [L716] 0 int __unbuffered_p2_EBX = 0; [L717] 0 _Bool main$tmp_guard0; [L718] 0 _Bool main$tmp_guard1; [L720] 0 int x = 0; [L722] 0 int y = 0; [L723] 0 _Bool y$flush_delayed; [L724] 0 int y$mem_tmp; [L725] 0 _Bool y$r_buff0_thd0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0] [L726] 0 _Bool y$r_buff0_thd1; [L727] 0 _Bool y$r_buff0_thd2; [L728] 0 _Bool y$r_buff0_thd3; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0] [L729] 0 _Bool y$r_buff1_thd0; [L730] 0 _Bool y$r_buff1_thd1; [L731] 0 _Bool y$r_buff1_thd2; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0] [L732] 0 _Bool y$r_buff1_thd3; [L733] 0 _Bool y$read_delayed; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0] [L734] 0 int *y$read_delayed_var; [L735] 0 int y$w_buff0; [L736] 0 _Bool y$w_buff0_used; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0] [L737] 0 int y$w_buff1; [L738] 0 _Bool y$w_buff1_used; [L739] 0 _Bool weak$$choice0; VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L740] 0 _Bool weak$$choice2; [L854] 0 pthread_t t2330; [L855] FCALL, FORK 0 pthread_create(&t2330, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L856] 0 pthread_t t2331; [L857] FCALL, FORK 0 pthread_create(&t2331, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L858] 0 pthread_t t2332; [L859] FCALL, FORK 0 pthread_create(&t2332, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L784] 2 y$w_buff1 = y$w_buff0 [L785] 2 y$w_buff0 = 2 [L786] 2 y$w_buff1_used = y$w_buff0_used [L787] 2 y$w_buff0_used = (_Bool)1 [L19] COND FALSE 2 !(!expression) [L789] 2 y$r_buff1_thd0 = y$r_buff0_thd0 [L790] 2 y$r_buff1_thd1 = y$r_buff0_thd1 [L791] 2 y$r_buff1_thd2 = y$r_buff0_thd2 [L792] 2 y$r_buff1_thd3 = y$r_buff0_thd3 [L793] 2 y$r_buff0_thd2 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L796] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=0, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L813] 3 __unbuffered_p2_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L816] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L817] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L818] 3 y$flush_delayed = weak$$choice2 [L819] 3 y$mem_tmp = y [L820] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L820] 3 y = !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff1) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0) [L821] EXPR 3 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L821] 3 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : y$w_buff0)) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1) [L822] EXPR 3 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L822] 3 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff1 : y$w_buff1)) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used) [L823] EXPR 3 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L823] 3 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used)) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L824] EXPR 3 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L824] 3 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3) [L825] EXPR 3 weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L825] 3 y$r_buff0_thd3 = weak$$choice2 ? y$r_buff0_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff0_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3)) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] EXPR 3 !y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L826] EXPR 3 weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L826] 3 y$r_buff1_thd3 = weak$$choice2 ? y$r_buff1_thd3 : (!y$w_buff0_used || !y$r_buff0_thd3 && !y$w_buff1_used || !y$r_buff0_thd3 && !y$r_buff1_thd3 ? y$r_buff1_thd3 : (y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L827] 3 __unbuffered_p2_EBX = y [L828] EXPR 3 y$flush_delayed ? y$mem_tmp : y [L828] 3 y = y$flush_delayed ? y$mem_tmp : y [L829] 3 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] EXPR 3 y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y [L832] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L832] 3 y = y$w_buff0_used && y$r_buff0_thd3 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd3 ? y$w_buff1 : y) [L833] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L833] 3 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$w_buff0_used [L834] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L834] 3 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$w_buff1_used [L835] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L835] 3 y$r_buff0_thd3 = y$w_buff0_used && y$r_buff0_thd3 ? (_Bool)0 : y$r_buff0_thd3 [L836] EXPR 3 y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L836] 3 y$r_buff1_thd3 = y$w_buff0_used && y$r_buff0_thd3 || y$w_buff1_used && y$r_buff1_thd3 ? (_Bool)0 : y$r_buff1_thd3 [L744] 1 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=52, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L747] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L747] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L748] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L748] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L749] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L749] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L750] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L750] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L751] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L751] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L754] 1 weak$$choice0 = __VERIFIER_nondet_bool() [L755] 1 weak$$choice2 = __VERIFIER_nondet_bool() [L756] 1 y$flush_delayed = weak$$choice2 [L757] 1 y$mem_tmp = y [L758] EXPR 1 !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L758] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1) [L759] EXPR 1 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L759] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0)) [L760] EXPR 1 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L760] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1)) [L761] EXPR 1 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L761] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used)) [L762] EXPR 1 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L762] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L763] EXPR 1 weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L763] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1)) [L764] EXPR 1 weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L764] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0)) [L765] 1 __unbuffered_p0_EAX = y [L766] EXPR 1 y$flush_delayed ? y$mem_tmp : y [L766] 1 y = y$flush_delayed ? y$mem_tmp : y [L767] 1 y$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=255, x=1, y=1, y$flush_delayed=0, y$mem_tmp=1, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L799] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L799] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) [L800] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L800] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L801] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L801] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L802] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L802] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L803] EXPR 2 y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L803] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2 [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] EXPR 1 y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y [L770] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L770] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L771] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L771] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L772] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L772] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L773] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L773] 1 y$r_buff0_thd1 = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1 [L774] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L774] 1 y$r_buff1_thd1 = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$r_buff1_thd1 [L839] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L841] 3 return 0; [L806] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L808] 2 return 0; [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L861] 0 main$tmp_guard0 = __unbuffered_cnt == 3 [L4] COND FALSE 0 !(!cond) [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] EXPR 0 y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y [L865] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L865] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L866] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L866] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L867] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L867] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L868] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L868] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L869] EXPR 0 y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L869] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L872] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L873] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L874] 0 y$flush_delayed = weak$$choice2 [L875] 0 y$mem_tmp = y [L876] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L876] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L877] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L877] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L878] EXPR 0 weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L878] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L879] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L879] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L880] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L880] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L881] EXPR 0 weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L881] 0 y$r_buff0_thd0 = weak$$choice2 ? y$r_buff0_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff0_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0)) [L882] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L882] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L883] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p0_EAX == 1 && __unbuffered_p2_EAX == 1 && __unbuffered_p2_EBX == 0) [L884] EXPR 0 y$flush_delayed ? y$mem_tmp : y [L884] 0 y = y$flush_delayed ? y$mem_tmp : y [L885] 0 y$flush_delayed = (_Bool)0 [L19] COND TRUE 0 !expression [L19] 0 reach_error() VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p0_EAX=1, __unbuffered_p2_EAX=1, __unbuffered_p2_EBX=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=51, weak$$choice2=255, x=1, y=2, y$flush_delayed=0, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff0_thd3=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$r_buff1_thd3=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 98 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 3.7ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 16307.9ms, OverallIterations: 20, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 6843.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 5216.5ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 137 SDtfs, 266 SDslu, 301 SDs, 0 SdLazy, 1427 SolverSat, 523 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1954.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 29 SyntacticMatches, 5 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 314 ImplicationChecksByTransitivity, 3325.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=1407occurred in iteration=15, InterpolantAutomatonStates: 168, 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: 88.4ms SsaConstructionTime, 948.2ms SatisfiabilityAnalysisTime, 2844.5ms InterpolantComputationTime, 560 NumberOfCodeBlocks, 560 NumberOfCodeBlocksAsserted, 20 NumberOfCheckSat, 509 ConstructedInterpolants, 0 QuantifiedInterpolants, 4605 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 19 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...