/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-6f4246e9f5583d222ebb38ff8175c901f3a528f0-6f4246e [2021-04-29 00:25:39,879 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-04-29 00:25:39,884 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-04-29 00:25:39,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-04-29 00:25:39,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-04-29 00:25:40,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-04-29 00:25:40,006 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-04-29 00:25:40,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-04-29 00:25:40,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-04-29 00:25:40,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-04-29 00:25:40,027 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-04-29 00:25:40,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-04-29 00:25:40,038 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-04-29 00:25:40,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-04-29 00:25:40,048 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-04-29 00:25:40,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-04-29 00:25:40,057 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-04-29 00:25:40,070 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-04-29 00:25:40,071 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-04-29 00:25:40,072 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-04-29 00:25:40,073 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-RepeatedSemanticLbeWithPredicates.epf [2021-04-29 00:25:40,135 INFO L113 SettingsManager]: Loading preferences was successful [2021-04-29 00:25:40,135 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-04-29 00:25:40,141 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-04-29 00:25:40,142 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-04-29 00:25:40,142 INFO L138 SettingsManager]: * Use SBE=true [2021-04-29 00:25:40,142 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-04-29 00:25:40,142 INFO L138 SettingsManager]: * sizeof long=4 [2021-04-29 00:25:40,143 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-04-29 00:25:40,143 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-04-29 00:25:40,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-04-29 00:25:40,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-04-29 00:25:40,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-04-29 00:25:40,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-04-29 00:25:40,147 INFO L138 SettingsManager]: * sizeof long double=12 [2021-04-29 00:25:40,147 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-04-29 00:25:40,147 INFO L138 SettingsManager]: * Use constant arrays=true [2021-04-29 00:25:40,147 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-04-29 00:25:40,147 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-04-29 00:25:40,148 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-04-29 00:25:40,148 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-04-29 00:25:40,148 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-04-29 00:25:40,148 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:25:40,149 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-04-29 00:25:40,149 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-04-29 00:25:40,149 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-04-29 00:25:40,149 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-04-29 00:25:40,149 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-04-29 00:25:40,150 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=SEMANTIC_BASED_MOVER_CHECK_WITH_PREDICATES [2021-04-29 00:25:40,150 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-04-29 00:25:40,150 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-04-29 00:25:40,150 INFO L138 SettingsManager]: * Apply repeated Lipton Reduction=true WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-04-29 00:25:40,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-04-29 00:25:40,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-04-29 00:25:40,612 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-04-29 00:25:40,615 INFO L271 PluginConnector]: Initializing CDTParser... [2021-04-29 00:25:40,616 INFO L275 PluginConnector]: CDTParser initialized [2021-04-29 00:25:40,617 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i [2021-04-29 00:25:40,770 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407a59750/1ecb766cc18643219639e3bbd1022ea6/FLAGf30097879 [2021-04-29 00:25:41,869 INFO L306 CDTParser]: Found 1 translation units. [2021-04-29 00:25:41,876 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe024_tso.opt.i [2021-04-29 00:25:41,891 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407a59750/1ecb766cc18643219639e3bbd1022ea6/FLAGf30097879 [2021-04-29 00:25:41,909 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/407a59750/1ecb766cc18643219639e3bbd1022ea6 [2021-04-29 00:25:41,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-04-29 00:25:41,951 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-04-29 00:25:41,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-04-29 00:25:41,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-04-29 00:25:41,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-04-29 00:25:41,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:25:41" (1/1) ... [2021-04-29 00:25:41,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13fe32b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:41, skipping insertion in model container [2021-04-29 00:25:41,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.04 12:25:41" (1/1) ... [2021-04-29 00:25:41,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-04-29 00:25:42,013 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-04-29 00:25:42,186 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/safe024_tso.opt.i[949,962] [2021-04-29 00:25:42,411 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:25:42,424 INFO L203 MainTranslator]: Completed pre-run [2021-04-29 00:25:42,448 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/safe024_tso.opt.i[949,962] [2021-04-29 00:25:42,501 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-04-29 00:25:42,631 INFO L208 MainTranslator]: Completed translation [2021-04-29 00:25:42,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42 WrapperNode [2021-04-29 00:25:42,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-04-29 00:25:42,637 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-04-29 00:25:42,638 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-04-29 00:25:42,638 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-04-29 00:25:42,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,711 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-04-29 00:25:42,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-04-29 00:25:42,713 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-04-29 00:25:42,713 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-04-29 00:25:42,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,734 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,735 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,744 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,751 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... [2021-04-29 00:25:42,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-04-29 00:25:42,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-04-29 00:25:42,759 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-04-29 00:25:42,759 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-04-29 00:25:42,760 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-04-29 00:25:42,963 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-04-29 00:25:42,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-04-29 00:25:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-04-29 00:25:42,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-04-29 00:25:42,967 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-04-29 00:25:42,967 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-04-29 00:25:42,969 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-04-29 00:25:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-04-29 00:25:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-04-29 00:25:42,970 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-04-29 00:25:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-04-29 00:25:42,970 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-04-29 00:25:42,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-04-29 00:25:42,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-04-29 00:25:42,974 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-04-29 00:25:43,700 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-04-29 00:25:43,700 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-04-29 00:25:43,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:25:43 BoogieIcfgContainer [2021-04-29 00:25:43,708 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-04-29 00:25:43,712 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-04-29 00:25:43,712 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-04-29 00:25:43,718 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-04-29 00:25:43,718 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.04 12:25:41" (1/3) ... [2021-04-29 00:25:43,720 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bf590c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:25:43, skipping insertion in model container [2021-04-29 00:25:43,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.04 12:25:42" (2/3) ... [2021-04-29 00:25:43,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71bf590c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.04 12:25:43, skipping insertion in model container [2021-04-29 00:25:43,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.04 12:25:43" (3/3) ... [2021-04-29 00:25:43,726 INFO L111 eAbstractionObserver]: Analyzing ICFG safe024_tso.opt.i [2021-04-29 00:25:43,741 INFO L149 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-04-29 00:25:43,753 INFO L161 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-04-29 00:25:43,756 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-04-29 00:25:43,883 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,884 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,885 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,886 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,887 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,887 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,888 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,888 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,889 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,892 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,893 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,893 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,894 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,894 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,895 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,895 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,895 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,898 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,899 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,903 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,904 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,904 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,906 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,907 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,907 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,907 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,908 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,911 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,912 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,925 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,958 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,959 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,959 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-04-29 00:25:43,969 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-04-29 00:25:44,004 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-04-29 00:25:44,043 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-04-29 00:25:44,044 INFO L377 AbstractCegarLoop]: Hoare is false [2021-04-29 00:25:44,044 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-04-29 00:25:44,044 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-04-29 00:25:44,044 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-04-29 00:25:44,044 INFO L381 AbstractCegarLoop]: Difference is false [2021-04-29 00:25:44,044 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-04-29 00:25:44,045 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-04-29 00:25:44,066 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 84 places, 76 transitions, 167 flow [2021-04-29 00:25:44,133 INFO L129 PetriNetUnfolder]: 2/73 cut-off events. [2021-04-29 00:25:44,133 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:44,140 INFO L84 FinitePrefix]: Finished finitePrefix Result has 83 conditions, 73 events. 2/73 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/70 useless extension candidates. Maximal degree in co-relation 56. Up to 2 conditions per place. [2021-04-29 00:25:44,141 INFO L82 GeneralOperation]: Start removeDead. Operand has 84 places, 76 transitions, 167 flow [2021-04-29 00:25:44,150 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 70 places, 61 transitions, 131 flow [2021-04-29 00:25:44,155 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:44,189 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 61 transitions, 131 flow [2021-04-29 00:25:44,196 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 70 places, 61 transitions, 131 flow [2021-04-29 00:25:44,199 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 70 places, 61 transitions, 131 flow [2021-04-29 00:25:44,229 INFO L129 PetriNetUnfolder]: 1/61 cut-off events. [2021-04-29 00:25:44,229 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:44,230 INFO L84 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 61 events. 1/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 44 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 44. Up to 2 conditions per place. [2021-04-29 00:25:44,234 INFO L146 LiptonReduction]: Number of co-enabled transitions 864 [2021-04-29 00:25:48,647 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:25:48,801 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2021-04-29 00:25:48,958 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:25:49,117 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 52 [2021-04-29 00:25:49,301 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:25:49,507 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 56 [2021-04-29 00:25:49,673 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2021-04-29 00:25:50,003 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:25:50,173 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 58 [2021-04-29 00:25:50,349 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2021-04-29 00:25:50,672 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:25:50,869 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 54 [2021-04-29 00:25:51,658 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:25:51,969 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 73 [2021-04-29 00:25:52,082 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-04-29 00:25:54,188 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:25:54,301 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:25:54,550 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-04-29 00:25:54,665 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-04-29 00:25:54,994 INFO L158 LiptonReduction]: Checked pairs total: 5836 [2021-04-29 00:25:54,994 INFO L160 LiptonReduction]: Total number of compositions: 95 [2021-04-29 00:25:54,999 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 10849 [2021-04-29 00:25:55,020 INFO L129 PetriNetUnfolder]: 0/59 cut-off events. [2021-04-29 00:25:55,020 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:55,021 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:55,022 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:55,022 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:55,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:55,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1044914160, now seen corresponding path program 1 times [2021-04-29 00:25:55,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:55,040 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213209686] [2021-04-29 00:25:55,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:55,295 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:55,296 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:55,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:55,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213209686] [2021-04-29 00:25:55,309 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:55,310 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-04-29 00:25:55,310 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173717401] [2021-04-29 00:25:55,321 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-04-29 00:25:55,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:55,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-04-29 00:25:55,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-04-29 00:25:55,342 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 131 out of 171 [2021-04-29 00:25:55,346 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 80 places, 70 transitions, 149 flow. Second operand has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:55,346 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:55,347 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 131 of 171 [2021-04-29 00:25:55,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:55,461 INFO L129 PetriNetUnfolder]: 5/80 cut-off events. [2021-04-29 00:25:55,461 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:55,462 INFO L84 FinitePrefix]: Finished finitePrefix Result has 123 conditions, 80 events. 5/80 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 374 event pairs, 0 based on Foata normal form. 0/25 useless extension candidates. Maximal degree in co-relation 77. Up to 19 conditions per place. [2021-04-29 00:25:55,464 INFO L132 encePairwiseOnDemand]: 154/171 looper letters, 1 selfloop transitions, 2 changer transitions 50/75 dead transitions. [2021-04-29 00:25:55,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 75 transitions, 213 flow [2021-04-29 00:25:55,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-04-29 00:25:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-04-29 00:25:55,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 422 transitions. [2021-04-29 00:25:55,482 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.8226120857699805 [2021-04-29 00:25:55,483 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 422 transitions. [2021-04-29 00:25:55,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 422 transitions. [2021-04-29 00:25:55,486 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:55,489 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 422 transitions. [2021-04-29 00:25:55,493 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 140.66666666666666) internal successors, (422), 3 states have internal predecessors, (422), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:55,502 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 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) [2021-04-29 00:25:55,503 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 171.0) internal successors, (684), 4 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) [2021-04-29 00:25:55,505 INFO L185 Difference]: Start difference. First operand has 80 places, 70 transitions, 149 flow. Second operand 3 states and 422 transitions. [2021-04-29 00:25:55,506 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 75 transitions, 213 flow [2021-04-29 00:25:55,509 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 79 places, 75 transitions, 210 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-04-29 00:25:55,512 INFO L241 Difference]: Finished difference. Result has 80 places, 25 transitions, 64 flow [2021-04-29 00:25:55,514 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=146, PETRI_DIFFERENCE_MINUEND_PLACES=77, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=70, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=68, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=64, PETRI_PLACES=80, PETRI_TRANSITIONS=25} [2021-04-29 00:25:55,515 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, 0 predicate places. [2021-04-29 00:25:55,515 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:55,516 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 25 transitions, 64 flow [2021-04-29 00:25:55,516 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 80 places, 25 transitions, 64 flow [2021-04-29 00:25:55,517 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 35 places, 25 transitions, 64 flow [2021-04-29 00:25:55,521 INFO L129 PetriNetUnfolder]: 0/25 cut-off events. [2021-04-29 00:25:55,522 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:55,522 INFO L84 FinitePrefix]: Finished finitePrefix Result has 38 conditions, 25 events. 0/25 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 49 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:25:55,523 INFO L146 LiptonReduction]: Number of co-enabled transitions 330 [2021-04-29 00:25:55,796 INFO L158 LiptonReduction]: Checked pairs total: 357 [2021-04-29 00:25:55,796 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:55,796 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 281 [2021-04-29 00:25:55,798 INFO L480 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 64 flow [2021-04-29 00:25:55,799 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 131.66666666666666) internal successors, (395), 3 states have internal predecessors, (395), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:55,799 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:55,799 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:55,800 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-04-29 00:25:55,800 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:55,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:55,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1967400797, now seen corresponding path program 1 times [2021-04-29 00:25:55,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:55,801 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668361441] [2021-04-29 00:25:55,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:55,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:55,956 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:55,959 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:55,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:55,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:55,966 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1668361441] [2021-04-29 00:25:55,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:55,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:25:55,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2082883600] [2021-04-29 00:25:55,968 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:25:55,969 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:55,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:25:55,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:25:55,972 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 122 out of 171 [2021-04-29 00:25:55,973 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 64 flow. Second operand has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:55,973 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:55,973 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 122 of 171 [2021-04-29 00:25:55,973 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:56,002 INFO L129 PetriNetUnfolder]: 0/34 cut-off events. [2021-04-29 00:25:56,002 INFO L130 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2021-04-29 00:25:56,002 INFO L84 FinitePrefix]: Finished finitePrefix Result has 56 conditions, 34 events. 0/34 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 86 event pairs, 0 based on Foata normal form. 2/24 useless extension candidates. Maximal degree in co-relation 0. Up to 4 conditions per place. [2021-04-29 00:25:56,003 INFO L132 encePairwiseOnDemand]: 167/171 looper letters, 1 selfloop transitions, 3 changer transitions 2/26 dead transitions. [2021-04-29 00:25:56,003 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 26 transitions, 79 flow [2021-04-29 00:25:56,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:25:56,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:25:56,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 495 transitions. [2021-04-29 00:25:56,012 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7236842105263158 [2021-04-29 00:25:56,012 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 495 transitions. [2021-04-29 00:25:56,012 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 495 transitions. [2021-04-29 00:25:56,013 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:56,013 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 495 transitions. [2021-04-29 00:25:56,015 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 123.75) internal successors, (495), 4 states have internal predecessors, (495), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,019 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,020 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 171.0) internal successors, (855), 5 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,020 INFO L185 Difference]: Start difference. First operand has 35 places, 25 transitions, 64 flow. Second operand 4 states and 495 transitions. [2021-04-29 00:25:56,020 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 26 transitions, 79 flow [2021-04-29 00:25:56,021 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 26 transitions, 73 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-04-29 00:25:56,021 INFO L241 Difference]: Finished difference. Result has 38 places, 24 transitions, 72 flow [2021-04-29 00:25:56,022 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=171, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=72, PETRI_PLACES=38, PETRI_TRANSITIONS=24} [2021-04-29 00:25:56,022 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -42 predicate places. [2021-04-29 00:25:56,023 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:56,023 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 38 places, 24 transitions, 72 flow [2021-04-29 00:25:56,023 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 38 places, 24 transitions, 72 flow [2021-04-29 00:25:56,024 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 24 transitions, 72 flow [2021-04-29 00:25:56,028 INFO L129 PetriNetUnfolder]: 0/24 cut-off events. [2021-04-29 00:25:56,028 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-04-29 00:25:56,028 INFO L84 FinitePrefix]: Finished finitePrefix Result has 44 conditions, 24 events. 0/24 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 43 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-04-29 00:25:56,029 INFO L146 LiptonReduction]: Number of co-enabled transitions 276 [2021-04-29 00:25:56,059 INFO L158 LiptonReduction]: Checked pairs total: 438 [2021-04-29 00:25:56,059 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:25:56,060 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 37 [2021-04-29 00:25:56,062 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 24 transitions, 72 flow [2021-04-29 00:25:56,062 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 122.75) internal successors, (491), 4 states have internal predecessors, (491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,063 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:56,063 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:56,063 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-04-29 00:25:56,063 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:56,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:56,064 INFO L82 PathProgramCache]: Analyzing trace with hash 896060994, now seen corresponding path program 1 times [2021-04-29 00:25:56,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:56,064 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37147726] [2021-04-29 00:25:56,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:56,127 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,128 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,139 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,140 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:56,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [37147726] [2021-04-29 00:25:56,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:56,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-04-29 00:25:56,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724583586] [2021-04-29 00:25:56,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:25:56,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:56,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:25:56,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:25:56,157 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 172 [2021-04-29 00:25:56,158 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 24 transitions, 72 flow. Second operand has 4 states, 4 states have (on average 112.75) internal successors, (451), 4 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,158 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:56,158 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 172 [2021-04-29 00:25:56,158 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:56,366 INFO L129 PetriNetUnfolder]: 432/698 cut-off events. [2021-04-29 00:25:56,367 INFO L130 PetriNetUnfolder]: For 601/614 co-relation queries the response was YES. [2021-04-29 00:25:56,369 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1591 conditions, 698 events. 432/698 cut-off events. For 601/614 co-relation queries the response was YES. Maximal size of possible extension queue 150. Compared 4042 event pairs, 216 based on Foata normal form. 66/369 useless extension candidates. Maximal degree in co-relation 1579. Up to 541 conditions per place. [2021-04-29 00:25:56,375 INFO L132 encePairwiseOnDemand]: 160/172 looper letters, 11 selfloop transitions, 10 changer transitions 20/52 dead transitions. [2021-04-29 00:25:56,376 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 41 places, 52 transitions, 208 flow [2021-04-29 00:25:56,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:25:56,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:25:56,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 602 transitions. [2021-04-29 00:25:56,379 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7 [2021-04-29 00:25:56,379 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 602 transitions. [2021-04-29 00:25:56,379 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 602 transitions. [2021-04-29 00:25:56,380 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:56,380 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 602 transitions. [2021-04-29 00:25:56,382 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 120.4) internal successors, (602), 5 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,385 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,386 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 172.0) internal successors, (1032), 6 states have internal predecessors, (1032), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,386 INFO L185 Difference]: Start difference. First operand has 37 places, 24 transitions, 72 flow. Second operand 5 states and 602 transitions. [2021-04-29 00:25:56,386 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 41 places, 52 transitions, 208 flow [2021-04-29 00:25:56,391 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 52 transitions, 196 flow, removed 2 selfloop flow, removed 4 redundant places. [2021-04-29 00:25:56,392 INFO L241 Difference]: Finished difference. Result has 40 places, 32 transitions, 148 flow [2021-04-29 00:25:56,393 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=33, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=14, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=148, PETRI_PLACES=40, PETRI_TRANSITIONS=32} [2021-04-29 00:25:56,393 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -40 predicate places. [2021-04-29 00:25:56,393 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:56,393 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 40 places, 32 transitions, 148 flow [2021-04-29 00:25:56,394 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 40 places, 32 transitions, 148 flow [2021-04-29 00:25:56,394 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 37 places, 32 transitions, 148 flow [2021-04-29 00:25:56,449 INFO L129 PetriNetUnfolder]: 351/552 cut-off events. [2021-04-29 00:25:56,450 INFO L130 PetriNetUnfolder]: For 288/288 co-relation queries the response was YES. [2021-04-29 00:25:56,452 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1647 conditions, 552 events. 351/552 cut-off events. For 288/288 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 2945 event pairs, 189 based on Foata normal form. 0/266 useless extension candidates. Maximal degree in co-relation 1636. Up to 478 conditions per place. [2021-04-29 00:25:56,457 INFO L146 LiptonReduction]: Number of co-enabled transitions 252 [2021-04-29 00:25:56,472 INFO L158 LiptonReduction]: Checked pairs total: 270 [2021-04-29 00:25:56,472 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:56,472 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 79 [2021-04-29 00:25:56,474 INFO L480 AbstractCegarLoop]: Abstraction has has 37 places, 32 transitions, 148 flow [2021-04-29 00:25:56,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 112.75) internal successors, (451), 4 states have internal predecessors, (451), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,475 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:56,475 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:56,475 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-04-29 00:25:56,475 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:56,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:56,476 INFO L82 PathProgramCache]: Analyzing trace with hash 88357538, now seen corresponding path program 1 times [2021-04-29 00:25:56,476 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:56,476 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897091122] [2021-04-29 00:25:56,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:56,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:56,529 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,530 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,533 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,533 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,537 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,538 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:56,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897091122] [2021-04-29 00:25:56,545 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:56,545 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:25:56,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [431121564] [2021-04-29 00:25:56,545 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-04-29 00:25:56,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:56,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-04-29 00:25:56,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-04-29 00:25:56,548 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 172 [2021-04-29 00:25:56,549 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 37 places, 32 transitions, 148 flow. Second operand has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,549 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:56,550 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 172 [2021-04-29 00:25:56,550 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:56,727 INFO L129 PetriNetUnfolder]: 324/570 cut-off events. [2021-04-29 00:25:56,728 INFO L130 PetriNetUnfolder]: For 496/1045 co-relation queries the response was YES. [2021-04-29 00:25:56,729 INFO L84 FinitePrefix]: Finished finitePrefix Result has 2252 conditions, 570 events. 324/570 cut-off events. For 496/1045 co-relation queries the response was YES. Maximal size of possible extension queue 135. Compared 3272 event pairs, 54 based on Foata normal form. 68/323 useless extension candidates. Maximal degree in co-relation 2239. Up to 505 conditions per place. [2021-04-29 00:25:56,733 INFO L132 encePairwiseOnDemand]: 160/172 looper letters, 11 selfloop transitions, 19 changer transitions 19/60 dead transitions. [2021-04-29 00:25:56,733 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 60 transitions, 412 flow [2021-04-29 00:25:56,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-04-29 00:25:56,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-04-29 00:25:56,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 723 transitions. [2021-04-29 00:25:56,737 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7005813953488372 [2021-04-29 00:25:56,738 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 723 transitions. [2021-04-29 00:25:56,738 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 723 transitions. [2021-04-29 00:25:56,738 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:56,739 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 723 transitions. [2021-04-29 00:25:56,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 120.5) internal successors, (723), 6 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) [2021-04-29 00:25:56,744 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,745 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 172.0) internal successors, (1204), 7 states have internal predecessors, (1204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,745 INFO L185 Difference]: Start difference. First operand has 37 places, 32 transitions, 148 flow. Second operand 6 states and 723 transitions. [2021-04-29 00:25:56,745 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 60 transitions, 412 flow [2021-04-29 00:25:56,749 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 60 transitions, 400 flow, removed 1 selfloop flow, removed 2 redundant places. [2021-04-29 00:25:56,751 INFO L241 Difference]: Finished difference. Result has 43 places, 41 transitions, 288 flow [2021-04-29 00:25:56,751 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=136, PETRI_DIFFERENCE_MINUEND_PLACES=35, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=32, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=10, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=288, PETRI_PLACES=43, PETRI_TRANSITIONS=41} [2021-04-29 00:25:56,752 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -37 predicate places. [2021-04-29 00:25:56,752 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:56,752 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 43 places, 41 transitions, 288 flow [2021-04-29 00:25:56,752 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 43 places, 41 transitions, 288 flow [2021-04-29 00:25:56,753 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 41 places, 41 transitions, 288 flow [2021-04-29 00:25:56,806 INFO L129 PetriNetUnfolder]: 243/426 cut-off events. [2021-04-29 00:25:56,806 INFO L130 PetriNetUnfolder]: For 683/881 co-relation queries the response was YES. [2021-04-29 00:25:56,807 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1974 conditions, 426 events. 243/426 cut-off events. For 683/881 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 2345 event pairs, 54 based on Foata normal form. 2/212 useless extension candidates. Maximal degree in co-relation 1960. Up to 361 conditions per place. [2021-04-29 00:25:56,812 INFO L146 LiptonReduction]: Number of co-enabled transitions 250 [2021-04-29 00:25:56,836 INFO L158 LiptonReduction]: Checked pairs total: 384 [2021-04-29 00:25:56,837 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:56,837 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 85 [2021-04-29 00:25:56,839 INFO L480 AbstractCegarLoop]: Abstraction has has 41 places, 41 transitions, 288 flow [2021-04-29 00:25:56,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 112.8) internal successors, (564), 5 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,840 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:56,840 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:56,840 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-04-29 00:25:56,840 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:56,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:56,841 INFO L82 PathProgramCache]: Analyzing trace with hash -1929998461, now seen corresponding path program 1 times [2021-04-29 00:25:56,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:56,841 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899566448] [2021-04-29 00:25:56,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:56,891 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,892 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,894 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,895 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,904 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,905 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:56,909 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:56,910 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-04-29 00:25:56,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:56,916 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899566448] [2021-04-29 00:25:56,916 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:56,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-04-29 00:25:56,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709328064] [2021-04-29 00:25:56,917 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-04-29 00:25:56,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:56,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-04-29 00:25:56,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-04-29 00:25:56,920 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 112 out of 172 [2021-04-29 00:25:56,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 41 transitions, 288 flow. Second operand has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:56,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:56,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 112 of 172 [2021-04-29 00:25:56,922 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:57,083 INFO L129 PetriNetUnfolder]: 135/318 cut-off events. [2021-04-29 00:25:57,083 INFO L130 PetriNetUnfolder]: For 673/1318 co-relation queries the response was YES. [2021-04-29 00:25:57,084 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1742 conditions, 318 events. 135/318 cut-off events. For 673/1318 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 1785 event pairs, 0 based on Foata normal form. 62/216 useless extension candidates. Maximal degree in co-relation 1726. Up to 280 conditions per place. [2021-04-29 00:25:57,086 INFO L132 encePairwiseOnDemand]: 160/172 looper letters, 2 selfloop transitions, 28 changer transitions 10/51 dead transitions. [2021-04-29 00:25:57,087 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 51 transitions, 464 flow [2021-04-29 00:25:57,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-04-29 00:25:57,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-04-29 00:25:57,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 826 transitions. [2021-04-29 00:25:57,090 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.686046511627907 [2021-04-29 00:25:57,090 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 826 transitions. [2021-04-29 00:25:57,091 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 826 transitions. [2021-04-29 00:25:57,091 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:57,091 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 826 transitions. [2021-04-29 00:25:57,094 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 118.0) internal successors, (826), 7 states have internal predecessors, (826), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,097 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 172.0) internal successors, (1376), 8 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,098 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 172.0) internal successors, (1376), 8 states have internal predecessors, (1376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,098 INFO L185 Difference]: Start difference. First operand has 41 places, 41 transitions, 288 flow. Second operand 7 states and 826 transitions. [2021-04-29 00:25:57,098 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 51 transitions, 464 flow [2021-04-29 00:25:57,103 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 51 transitions, 368 flow, removed 38 selfloop flow, removed 4 redundant places. [2021-04-29 00:25:57,105 INFO L241 Difference]: Finished difference. Result has 46 places, 41 transitions, 290 flow [2021-04-29 00:25:57,105 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=210, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=28, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=290, PETRI_PLACES=46, PETRI_TRANSITIONS=41} [2021-04-29 00:25:57,105 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -34 predicate places. [2021-04-29 00:25:57,106 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:57,106 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 46 places, 41 transitions, 290 flow [2021-04-29 00:25:57,106 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 46 places, 41 transitions, 290 flow [2021-04-29 00:25:57,107 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 44 places, 41 transitions, 290 flow [2021-04-29 00:25:57,130 INFO L129 PetriNetUnfolder]: 81/210 cut-off events. [2021-04-29 00:25:57,130 INFO L130 PetriNetUnfolder]: For 304/401 co-relation queries the response was YES. [2021-04-29 00:25:57,131 INFO L84 FinitePrefix]: Finished finitePrefix Result has 958 conditions, 210 events. 81/210 cut-off events. For 304/401 co-relation queries the response was YES. Maximal size of possible extension queue 48. Compared 1127 event pairs, 0 based on Foata normal form. 1/103 useless extension candidates. Maximal degree in co-relation 943. Up to 163 conditions per place. [2021-04-29 00:25:57,133 INFO L146 LiptonReduction]: Number of co-enabled transitions 232 [2021-04-29 00:25:57,145 INFO L158 LiptonReduction]: Checked pairs total: 344 [2021-04-29 00:25:57,146 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:57,146 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 40 [2021-04-29 00:25:57,147 INFO L480 AbstractCegarLoop]: Abstraction has has 44 places, 41 transitions, 290 flow [2021-04-29 00:25:57,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 112.83333333333333) internal successors, (677), 6 states have internal predecessors, (677), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,148 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:57,148 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:57,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-04-29 00:25:57,149 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:57,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:57,149 INFO L82 PathProgramCache]: Analyzing trace with hash 912473896, now seen corresponding path program 1 times [2021-04-29 00:25:57,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:57,150 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841089221] [2021-04-29 00:25:57,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:57,188 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:57,189 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:25:57,190 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:57,190 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:57,193 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:57,193 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:57,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:57,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841089221] [2021-04-29 00:25:57,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:57,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:25:57,197 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422201579] [2021-04-29 00:25:57,198 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:25:57,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:57,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:25:57,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:25:57,200 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 172 [2021-04-29 00:25:57,201 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 44 places, 41 transitions, 290 flow. Second operand has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,201 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:57,201 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 172 [2021-04-29 00:25:57,201 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:57,260 INFO L129 PetriNetUnfolder]: 162/385 cut-off events. [2021-04-29 00:25:57,260 INFO L130 PetriNetUnfolder]: For 847/1195 co-relation queries the response was YES. [2021-04-29 00:25:57,261 INFO L84 FinitePrefix]: Finished finitePrefix Result has 1789 conditions, 385 events. 162/385 cut-off events. For 847/1195 co-relation queries the response was YES. Maximal size of possible extension queue 93. Compared 2239 event pairs, 0 based on Foata normal form. 28/190 useless extension candidates. Maximal degree in co-relation 1772. Up to 325 conditions per place. [2021-04-29 00:25:57,264 INFO L132 encePairwiseOnDemand]: 169/172 looper letters, 3 selfloop transitions, 1 changer transitions 2/42 dead transitions. [2021-04-29 00:25:57,264 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 42 transitions, 302 flow [2021-04-29 00:25:57,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-04-29 00:25:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-04-29 00:25:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 486 transitions. [2021-04-29 00:25:57,266 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.7063953488372093 [2021-04-29 00:25:57,266 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 486 transitions. [2021-04-29 00:25:57,267 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 486 transitions. [2021-04-29 00:25:57,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:57,267 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 486 transitions. [2021-04-29 00:25:57,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 121.5) internal successors, (486), 4 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,270 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,271 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 172.0) internal successors, (860), 5 states have internal predecessors, (860), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,271 INFO L185 Difference]: Start difference. First operand has 44 places, 41 transitions, 290 flow. Second operand 4 states and 486 transitions. [2021-04-29 00:25:57,271 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 42 transitions, 302 flow [2021-04-29 00:25:57,279 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 42 transitions, 200 flow, removed 31 selfloop flow, removed 7 redundant places. [2021-04-29 00:25:57,280 INFO L241 Difference]: Finished difference. Result has 42 places, 40 transitions, 193 flow [2021-04-29 00:25:57,280 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=172, PETRI_DIFFERENCE_MINUEND_FLOW=188, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=41, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=193, PETRI_PLACES=42, PETRI_TRANSITIONS=40} [2021-04-29 00:25:57,281 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -38 predicate places. [2021-04-29 00:25:57,281 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:57,281 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 40 transitions, 193 flow [2021-04-29 00:25:57,281 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 40 transitions, 193 flow [2021-04-29 00:25:57,282 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 40 places, 40 transitions, 193 flow [2021-04-29 00:25:57,304 INFO L129 PetriNetUnfolder]: 90/236 cut-off events. [2021-04-29 00:25:57,305 INFO L130 PetriNetUnfolder]: For 113/128 co-relation queries the response was YES. [2021-04-29 00:25:57,305 INFO L84 FinitePrefix]: Finished finitePrefix Result has 618 conditions, 236 events. 90/236 cut-off events. For 113/128 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 1228 event pairs, 0 based on Foata normal form. 1/107 useless extension candidates. Maximal degree in co-relation 606. Up to 109 conditions per place. [2021-04-29 00:25:57,307 INFO L146 LiptonReduction]: Number of co-enabled transitions 164 [2021-04-29 00:25:57,352 INFO L158 LiptonReduction]: Checked pairs total: 168 [2021-04-29 00:25:57,352 INFO L160 LiptonReduction]: Total number of compositions: 1 [2021-04-29 00:25:57,352 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 71 [2021-04-29 00:25:57,354 INFO L480 AbstractCegarLoop]: Abstraction has has 40 places, 40 transitions, 194 flow [2021-04-29 00:25:57,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 121.0) internal successors, (484), 4 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,355 INFO L255 CegarLoopForPetriNet]: Found error trace [2021-04-29 00:25:57,355 INFO L263 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-04-29 00:25:57,355 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-04-29 00:25:57,355 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-04-29 00:25:57,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-04-29 00:25:57,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1687839914, now seen corresponding path program 1 times [2021-04-29 00:25:57,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-04-29 00:25:57,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586641253] [2021-04-29 00:25:57,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-04-29 00:25:57,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-04-29 00:25:57,395 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:57,396 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-04-29 00:25:57,397 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-04-29 00:25:57,397 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-04-29 00:25:57,402 INFO L142 QuantifierPusher]: treesize reduction 3, result has 81.3 percent of original size [2021-04-29 00:25:57,403 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-04-29 00:25:57,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-04-29 00:25:57,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586641253] [2021-04-29 00:25:57,411 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-04-29 00:25:57,411 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-04-29 00:25:57,411 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251338066] [2021-04-29 00:25:57,412 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-04-29 00:25:57,412 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-04-29 00:25:57,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-04-29 00:25:57,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-04-29 00:25:57,414 INFO L508 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 173 [2021-04-29 00:25:57,415 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 40 transitions, 194 flow. Second operand has 4 states, 4 states have (on average 112.5) internal successors, (450), 4 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,415 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-04-29 00:25:57,416 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 173 [2021-04-29 00:25:57,416 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-04-29 00:25:57,462 INFO L129 PetriNetUnfolder]: 100/234 cut-off events. [2021-04-29 00:25:57,463 INFO L130 PetriNetUnfolder]: For 150/166 co-relation queries the response was YES. [2021-04-29 00:25:57,463 INFO L84 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 234 events. 100/234 cut-off events. For 150/166 co-relation queries the response was YES. Maximal size of possible extension queue 69. Compared 1147 event pairs, 0 based on Foata normal form. 29/115 useless extension candidates. Maximal degree in co-relation 635. Up to 118 conditions per place. [2021-04-29 00:25:57,464 INFO L132 encePairwiseOnDemand]: 167/173 looper letters, 0 selfloop transitions, 0 changer transitions 44/44 dead transitions. [2021-04-29 00:25:57,464 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 44 transitions, 224 flow [2021-04-29 00:25:57,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-04-29 00:25:57,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-04-29 00:25:57,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 566 transitions. [2021-04-29 00:25:57,467 INFO L553 CegarLoopForPetriNet]: DFA transition density 0.6543352601156069 [2021-04-29 00:25:57,467 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 566 transitions. [2021-04-29 00:25:57,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 566 transitions. [2021-04-29 00:25:57,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-04-29 00:25:57,468 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 566 transitions. [2021-04-29 00:25:57,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 113.2) internal successors, (566), 5 states have internal predecessors, (566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,472 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,473 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 173.0) internal successors, (1038), 6 states have internal predecessors, (1038), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,473 INFO L185 Difference]: Start difference. First operand has 40 places, 40 transitions, 194 flow. Second operand 5 states and 566 transitions. [2021-04-29 00:25:57,473 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 44 transitions, 224 flow [2021-04-29 00:25:57,475 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 44 transitions, 223 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-04-29 00:25:57,476 INFO L241 Difference]: Finished difference. Result has 42 places, 0 transitions, 0 flow [2021-04-29 00:25:57,476 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=173, PETRI_DIFFERENCE_MINUEND_FLOW=189, PETRI_DIFFERENCE_MINUEND_PLACES=38, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=42, PETRI_TRANSITIONS=0} [2021-04-29 00:25:57,476 INFO L343 CegarLoopForPetriNet]: 80 programPoint places, -38 predicate places. [2021-04-29 00:25:57,477 INFO L171 etLargeBlockEncoding]: Petri net LBE is using conditional semantic-based independence relation. [2021-04-29 00:25:57,477 INFO L137 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 42 places, 0 transitions, 0 flow [2021-04-29 00:25:57,477 INFO L133 LiptonReduction]: Starting Lipton reduction on Petri net that has 42 places, 0 transitions, 0 flow [2021-04-29 00:25:57,477 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 0 places, 0 transitions, 0 flow [2021-04-29 00:25:57,478 INFO L129 PetriNetUnfolder]: 0/0 cut-off events. [2021-04-29 00:25:57,478 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-04-29 00:25:57,478 INFO L84 FinitePrefix]: Finished finitePrefix Result has 0 conditions, 0 events. 0/0 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 0. Compared 0 event pairs, 0 based on Foata normal form. 0/0 useless extension candidates. Maximal degree in co-relation 0. Up to 0 conditions per place. [2021-04-29 00:25:57,478 INFO L146 LiptonReduction]: Number of co-enabled transitions 0 [2021-04-29 00:25:57,478 INFO L158 LiptonReduction]: Checked pairs total: 0 [2021-04-29 00:25:57,478 INFO L160 LiptonReduction]: Total number of compositions: 0 [2021-04-29 00:25:57,478 INFO L199 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1 [2021-04-29 00:25:57,480 INFO L480 AbstractCegarLoop]: Abstraction has has 0 places, 0 transitions, 0 flow [2021-04-29 00:25:57,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 112.5) internal successors, (450), 4 states have internal predecessors, (450), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-04-29 00:25:57,480 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-04-29 00:25:57,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.04 12:25:57 BasicIcfg [2021-04-29 00:25:57,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-04-29 00:25:57,486 INFO L168 Benchmark]: Toolchain (without parser) took 15572.01 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 276.0 MB in the beginning and 198.3 MB in the end (delta: 77.7 MB). Peak memory consumption was 227.6 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:57,487 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:25:57,487 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.46 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 273.4 MB in the end (delta: -591.4 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:57,488 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.15 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 272.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-04-29 00:25:57,488 INFO L168 Benchmark]: Boogie Preprocessor took 44.62 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 270.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:57,489 INFO L168 Benchmark]: RCFGBuilder took 949.59 ms. Allocated memory is still 302.0 MB. Free memory was 270.3 MB in the beginning and 246.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:57,490 INFO L168 Benchmark]: TraceAbstraction took 13773.28 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 246.2 MB in the beginning and 198.3 MB in the end (delta: 47.9 MB). Peak memory consumption was 195.7 MB. Max. memory is 16.0 GB. [2021-04-29 00:25:57,492 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 302.0 MB. Free memory was 273.0 MB in the beginning and 272.9 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 683.46 ms. Allocated memory is still 302.0 MB. Free memory was 272.8 MB in the beginning and 273.4 MB in the end (delta: -591.4 kB). Peak memory consumption was 27.7 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 74.15 ms. Allocated memory is still 302.0 MB. Free memory was 273.4 MB in the beginning and 272.4 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 44.62 ms. Allocated memory is still 302.0 MB. Free memory was 272.4 MB in the beginning and 270.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 949.59 ms. Allocated memory is still 302.0 MB. Free memory was 270.3 MB in the beginning and 246.2 MB in the end (delta: 24.1 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 13773.28 ms. Allocated memory was 302.0 MB in the beginning and 450.9 MB in the end (delta: 148.9 MB). Free memory was 246.2 MB in the beginning and 198.3 MB in the end (delta: 47.9 MB). Peak memory consumption was 195.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 10798.2ms, 70 PlacesBefore, 80 PlacesAfterwards, 61 TransitionsBefore, 70 TransitionsAfterwards, 864 CoEnabledTransitionPairs, 6 FixpointIterations, 48 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 95 TotalNumberOfCompositions, 5836 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1742, positive: 1572, positive conditional: 1572, positive unconditional: 0, negative: 170, negative conditional: 170, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 901, positive: 843, positive conditional: 0, positive unconditional: 843, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 901, positive: 843, positive conditional: 0, positive unconditional: 843, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 901, positive: 835, positive conditional: 0, positive unconditional: 835, negative: 66, negative conditional: 0, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 66, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 377, positive: 63, positive conditional: 0, positive unconditional: 63, negative: 314, negative conditional: 0, negative unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1742, positive: 729, positive conditional: 729, positive unconditional: 0, negative: 112, negative conditional: 112, negative unconditional: 0, unknown: 901, unknown conditional: 901, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 837, Positive conditional cache size: 837, Positive unconditional cache size: 0, Negative cache size: 58, Negative conditional cache size: 58, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 279.7ms, 80 PlacesBefore, 35 PlacesAfterwards, 25 TransitionsBefore, 25 TransitionsAfterwards, 330 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 357 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 208, positive: 185, positive conditional: 185, positive unconditional: 0, negative: 23, negative conditional: 23, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 119, positive: 107, positive conditional: 9, positive unconditional: 98, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 119, positive: 107, positive conditional: 9, positive unconditional: 98, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 119, positive: 61, positive conditional: 0, positive unconditional: 61, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 58, positive: 46, positive conditional: 0, positive unconditional: 46, negative: 12, negative conditional: 2, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 261, positive: 198, positive conditional: 0, positive unconditional: 198, negative: 63, negative conditional: 11, negative unconditional: 52, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 208, positive: 78, positive conditional: 78, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 119, unknown conditional: 119, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1014, Positive cache size: 944, Positive conditional cache size: 944, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 36.3ms, 38 PlacesBefore, 37 PlacesAfterwards, 24 TransitionsBefore, 24 TransitionsAfterwards, 276 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 438 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 209, positive: 178, positive conditional: 178, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 18, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 18, positive unconditional: 1, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19, positive: 19, positive conditional: 0, positive unconditional: 19, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 209, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 31, negative conditional: 31, negative unconditional: 0, unknown: 19, unknown conditional: 19, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1033, Positive cache size: 963, Positive conditional cache size: 963, Positive unconditional cache size: 0, Negative cache size: 70, Negative conditional cache size: 70, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 78.6ms, 40 PlacesBefore, 37 PlacesAfterwards, 32 TransitionsBefore, 32 TransitionsAfterwards, 252 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 270 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 29, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 14, negative conditional: 14, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 29, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1035, Positive cache size: 963, Positive conditional cache size: 963, Positive unconditional cache size: 0, Negative cache size: 72, Negative conditional cache size: 72, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 84.6ms, 43 PlacesBefore, 41 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 250 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 384 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 186, positive: 166, positive conditional: 166, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 25, positive conditional: 0, positive unconditional: 25, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 16, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 186, positive: 141, positive conditional: 141, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 27, unknown conditional: 27, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1062, Positive cache size: 988, Positive conditional cache size: 988, Positive unconditional cache size: 0, Negative cache size: 74, Negative conditional cache size: 74, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 39.7ms, 46 PlacesBefore, 44 PlacesAfterwards, 41 TransitionsBefore, 41 TransitionsAfterwards, 232 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 344 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 179, positive: 159, positive conditional: 159, positive unconditional: 0, negative: 20, negative conditional: 20, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 24, positive unconditional: 2, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 26, positive conditional: 0, positive unconditional: 26, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 179, positive: 133, positive conditional: 133, positive unconditional: 0, negative: 18, negative conditional: 18, negative unconditional: 0, unknown: 28, unknown conditional: 28, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1090, Positive cache size: 1014, Positive conditional cache size: 1014, Positive unconditional cache size: 0, Negative cache size: 76, Negative conditional cache size: 76, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 70.7ms, 42 PlacesBefore, 40 PlacesAfterwards, 40 TransitionsBefore, 40 TransitionsAfterwards, 164 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, 168 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 36, positive: 25, positive conditional: 25, positive unconditional: 0, negative: 11, negative conditional: 11, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 15, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 17, positive: 15, positive conditional: 0, positive unconditional: 15, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 9, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 36, positive: 10, positive conditional: 10, positive unconditional: 0, negative: 9, negative conditional: 9, negative unconditional: 0, unknown: 17, unknown conditional: 17, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 1029, Positive conditional cache size: 1029, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 1.2ms, 42 PlacesBefore, 0 PlacesAfterwards, 0 TransitionsBefore, 0 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, 0 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1107, Positive cache size: 1029, Positive conditional cache size: 1029, Positive unconditional cache size: 0, Negative cache size: 78, Negative conditional cache size: 78, Negative unconditional cache size: 0 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 12.9ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 13446.7ms, OverallIterations: 7, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 1014.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 10962.6ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 46 SDtfs, 31 SDslu, 16 SDs, 0 SdLazy, 253 SolverSat, 74 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 265.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 101.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=290occurred in iteration=5, InterpolantAutomatonStates: 34, 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: 24.9ms SsaConstructionTime, 186.5ms SatisfiabilityAnalysisTime, 415.3ms InterpolantComputationTime, 84 NumberOfCodeBlocks, 84 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 77 ConstructedInterpolants, 0 QuantifiedInterpolants, 273 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...