./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:19:20,891 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:19:20,893 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:19:20,935 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:19:20,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:19:20,936 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:19:20,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:19:20,939 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:19:20,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:19:20,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:19:20,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:19:20,946 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:19:20,946 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:19:20,947 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:19:20,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:19:20,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:19:20,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:19:20,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:19:20,953 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:19:20,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:19:20,958 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:19:20,959 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:19:20,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:19:20,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:19:20,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:19:20,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:19:20,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:19:20,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:19:20,967 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:19:20,967 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:19:20,968 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:19:20,969 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:19:20,970 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:19:20,971 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:19:20,971 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:19:20,972 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:19:20,978 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:19:20,979 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:19:20,979 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:19:20,980 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:19:20,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:19:20,981 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:19:20,982 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:19:21,002 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:19:21,003 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:19:21,003 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:19:21,004 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:19:21,005 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:19:21,005 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:19:21,005 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:19:21,005 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:19:21,005 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:19:21,006 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:19:21,006 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:19:21,006 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:19:21,006 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:19:21,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:19:21,007 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:19:21,008 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:19:21,008 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:19:21,009 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:19:21,009 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:19:21,009 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:19:21,009 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:19:21,010 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3fa2925374831266c365e02bbdeeca981bf102eec792ab5e5349fa193f0e7273 [2022-07-13 04:19:21,244 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:19:21,262 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:19:21,264 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:19:21,265 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:19:21,265 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:19:21,266 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2022-07-13 04:19:21,321 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d63e912/32212e39682047bbb100558331256d18/FLAG36748f777 [2022-07-13 04:19:21,717 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:19:21,717 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c [2022-07-13 04:19:21,727 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d63e912/32212e39682047bbb100558331256d18/FLAG36748f777 [2022-07-13 04:19:21,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d63e912/32212e39682047bbb100558331256d18 [2022-07-13 04:19:21,739 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:19:21,740 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:19:21,742 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:21,742 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:19:21,744 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:19:21,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:21" (1/1) ... [2022-07-13 04:19:21,745 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b756edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:21, skipping insertion in model container [2022-07-13 04:19:21,745 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:19:21" (1/1) ... [2022-07-13 04:19:21,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:19:21,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:19:21,983 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2022-07-13 04:19:22,008 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:22,028 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:19:22,061 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product23.cil.c[11292,11305] [2022-07-13 04:19:22,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:19:22,105 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:19:22,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22 WrapperNode [2022-07-13 04:19:22,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:19:22,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:22,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:19:22,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:19:22,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,132 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,161 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 86, statements flattened = 604 [2022-07-13 04:19:22,161 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:19:22,162 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:19:22,162 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:19:22,164 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:19:22,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,172 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,178 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,185 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,187 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:19:22,188 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:19:22,188 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:19:22,188 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:19:22,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (1/1) ... [2022-07-13 04:19:22,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:19:22,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:19:22,252 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:19:22,271 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:19:22,287 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:19:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:19:22,288 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:19:22,288 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:19:22,336 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:19:22,339 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:19:22,637 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:19:22,642 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:19:22,642 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:19:22,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:22 BoogieIcfgContainer [2022-07-13 04:19:22,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:19:22,645 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:19:22,645 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:19:22,647 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:19:22,648 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:22,648 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:19:21" (1/3) ... [2022-07-13 04:19:22,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d524edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:22, skipping insertion in model container [2022-07-13 04:19:22,649 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:22,649 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:19:22" (2/3) ... [2022-07-13 04:19:22,649 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7d524edb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:19:22, skipping insertion in model container [2022-07-13 04:19:22,650 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:19:22,650 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:22" (3/3) ... [2022-07-13 04:19:22,651 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product23.cil.c [2022-07-13 04:19:22,701 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:19:22,702 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:19:22,702 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:19:22,702 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:19:22,702 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:19:22,702 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:19:22,702 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:19:22,703 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:19:22,706 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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) [2022-07-13 04:19:22,724 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2022-07-13 04:19:22,726 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:22,726 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:22,731 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:22,731 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:22,732 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:19:22,732 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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) [2022-07-13 04:19:22,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 106 [2022-07-13 04:19:22,738 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:22,738 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:22,739 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:22,739 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:22,742 INFO L752 eck$LassoCheckResult]: Stem: 152#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 150#L916true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 79#L909true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 112#L924true main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 61#L611true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 158#L582true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 92#L935true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 157#L837-2true [2022-07-13 04:19:22,743 INFO L754 eck$LassoCheckResult]: Loop: 157#L837-2true assume !false; 46#L838true assume test_~splverifierCounter~0#1 < 4; 44#L839true test_~tmp~7#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 142#L847true assume !(0 != test_~tmp~7#1); 84#L847-2true test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 134#L857true assume !(0 != test_~tmp___0~1#1); 101#L857-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 144#L867true assume 0 != test_~tmp___2~0#1; 160#L873-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 94#L752true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 133#L945true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 56#L641true assume !(0 != ~pumpRunning~0); 140#L641-2true assume !(0 != ~systemActive~0); 120#L648-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 27#L507true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 87#L956true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 52#L956-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 34#L658true assume { :end_inline_timeShift } true; 157#L837-2true [2022-07-13 04:19:22,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:22,747 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-13 04:19:22,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:22,759 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348921100] [2022-07-13 04:19:22,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:22,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:22,838 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:22,873 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:22,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:22,875 INFO L85 PathProgramCache]: Analyzing trace with hash 353148780, now seen corresponding path program 1 times [2022-07-13 04:19:22,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:22,875 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344426212] [2022-07-13 04:19:22,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:22,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:22,888 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:22,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:22,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:22,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:22,904 INFO L85 PathProgramCache]: Analyzing trace with hash -986203627, now seen corresponding path program 1 times [2022-07-13 04:19:22,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:22,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384759285] [2022-07-13 04:19:22,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:22,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:22,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:23,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:23,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:23,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384759285] [2022-07-13 04:19:23,029 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384759285] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:23,029 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:23,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:19:23,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772485805] [2022-07-13 04:19:23,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:23,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:23,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:19:23,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:19:23,180 INFO L87 Difference]: Start difference. First operand has 164 states, 163 states have (on average 1.343558282208589) internal successors, (219), 163 states have internal predecessors, (219), 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) Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2022-07-13 04:19:23,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:23,312 INFO L93 Difference]: Finished difference Result 387 states and 498 transitions. [2022-07-13 04:19:23,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:19:23,316 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 387 states and 498 transitions. [2022-07-13 04:19:23,325 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 249 [2022-07-13 04:19:23,333 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 387 states to 357 states and 468 transitions. [2022-07-13 04:19:23,336 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357 [2022-07-13 04:19:23,338 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357 [2022-07-13 04:19:23,339 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 468 transitions. [2022-07-13 04:19:23,342 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:23,342 INFO L369 hiAutomatonCegarLoop]: Abstraction has 357 states and 468 transitions. [2022-07-13 04:19:23,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 468 transitions. [2022-07-13 04:19:23,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 212. [2022-07-13 04:19:23,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 212 states, 212 states have (on average 1.3113207547169812) internal successors, (278), 211 states have internal predecessors, (278), 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) [2022-07-13 04:19:23,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 278 transitions. [2022-07-13 04:19:23,371 INFO L392 hiAutomatonCegarLoop]: Abstraction has 212 states and 278 transitions. [2022-07-13 04:19:23,371 INFO L374 stractBuchiCegarLoop]: Abstraction has 212 states and 278 transitions. [2022-07-13 04:19:23,371 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:19:23,371 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 212 states and 278 transitions. [2022-07-13 04:19:23,372 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148 [2022-07-13 04:19:23,373 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:23,373 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:23,373 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,373 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,373 INFO L752 eck$LassoCheckResult]: Stem: 719#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 649#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 650#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 678#L909 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 679#L924 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 663#L611 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 664#L582 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 687#L935 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 625#L837-2 [2022-07-13 04:19:23,373 INFO L754 eck$LassoCheckResult]: Loop: 625#L837-2 assume !false; 643#L838 assume test_~splverifierCounter~0#1 < 4; 641#L839 test_~tmp~7#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 642#L847 assume !(0 != test_~tmp~7#1); 611#L847-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 682#L857 assume !(0 != test_~tmp___0~1#1); 599#L857-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 692#L867 assume 0 != test_~tmp___2~0#1; 652#L873-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 688#L752 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 689#L945 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 654#L641 assume !(0 != ~pumpRunning~0); 655#L641-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 659#L699 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret33#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 635#L673-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 600#L665-3 assume { :end_inline_processEnvironment__wrappee__base } true; 601#L673-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 572#L699-1 assume { :end_inline_processEnvironment } true; 710#L648-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 614#L507 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 615#L956 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 576#L956-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 624#L658 assume { :end_inline_timeShift } true; 625#L837-2 [2022-07-13 04:19:23,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,374 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-13 04:19:23,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399001336] [2022-07-13 04:19:23,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,417 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,457 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1698675059, now seen corresponding path program 1 times [2022-07-13 04:19:23,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357253637] [2022-07-13 04:19:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,461 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,487 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,487 INFO L85 PathProgramCache]: Analyzing trace with hash -1772625814, now seen corresponding path program 1 times [2022-07-13 04:19:23,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,488 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544745136] [2022-07-13 04:19:23,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:19:23,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:19:23,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:19:23,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544745136] [2022-07-13 04:19:23,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544745136] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:19:23,577 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:19:23,577 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-13 04:19:23,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163610978] [2022-07-13 04:19:23,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:19:23,670 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:19:23,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 04:19:23,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 04:19:23,670 INFO L87 Difference]: Start difference. First operand 212 states and 278 transitions. cyclomatic complexity: 69 Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 4 states have internal predecessors, (31), 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) [2022-07-13 04:19:23,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:19:23,800 INFO L93 Difference]: Finished difference Result 623 states and 808 transitions. [2022-07-13 04:19:23,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:19:23,801 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 623 states and 808 transitions. [2022-07-13 04:19:23,806 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 284 [2022-07-13 04:19:23,825 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 623 states to 623 states and 808 transitions. [2022-07-13 04:19:23,825 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 623 [2022-07-13 04:19:23,826 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 623 [2022-07-13 04:19:23,826 INFO L73 IsDeterministic]: Start isDeterministic. Operand 623 states and 808 transitions. [2022-07-13 04:19:23,827 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:19:23,827 INFO L369 hiAutomatonCegarLoop]: Abstraction has 623 states and 808 transitions. [2022-07-13 04:19:23,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states and 808 transitions. [2022-07-13 04:19:23,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 408. [2022-07-13 04:19:23,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 408 states have (on average 1.2892156862745099) internal successors, (526), 407 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:19:23,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 526 transitions. [2022-07-13 04:19:23,860 INFO L392 hiAutomatonCegarLoop]: Abstraction has 408 states and 526 transitions. [2022-07-13 04:19:23,860 INFO L374 stractBuchiCegarLoop]: Abstraction has 408 states and 526 transitions. [2022-07-13 04:19:23,860 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:19:23,860 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 408 states and 526 transitions. [2022-07-13 04:19:23,863 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 284 [2022-07-13 04:19:23,863 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:19:23,863 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:19:23,865 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,865 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:19:23,865 INFO L752 eck$LassoCheckResult]: Stem: 1595#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0; 1503#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret32#1, main_~retValue_acc~6#1, main_~tmp~3#1;havoc main_~retValue_acc~6#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1504#L916 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1536#L909 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1537#L924 main_#t~ret32#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret32#1;havoc main_#t~ret32#1; 1517#L611 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1518#L582 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1551#L935 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1552#L837-2 [2022-07-13 04:19:23,865 INFO L754 eck$LassoCheckResult]: Loop: 1552#L837-2 assume !false; 1743#L838 assume test_~splverifierCounter~0#1 < 4; 1741#L839 test_~tmp~7#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1739#L847 assume !(0 != test_~tmp~7#1); 1738#L847-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1736#L857 assume !(0 != test_~tmp___0~1#1); 1729#L857-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 1727#L867 assume 0 != test_~tmp___2~0#1; 1506#L873-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 1802#L752 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 1800#L945 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1798#L641 assume !(0 != ~pumpRunning~0); 1586#L641-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1513#L699 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret33#1, processEnvironment__wrappee__lowWaterSensor_~tmp~4#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~4#1; 1487#L673-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1452#L665-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1453#L673-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1768#L699-1 assume { :end_inline_processEnvironment } true; 1757#L648-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1; 1756#L507 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 1755#L956 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~8#1;havoc isPumpRunning_~retValue_acc~8#1;isPumpRunning_~retValue_acc~8#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~8#1; 1754#L752-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 1753#L960 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1751#L956-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1750#L658 assume { :end_inline_timeShift } true; 1552#L837-2 [2022-07-13 04:19:23,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,866 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-13 04:19:23,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,866 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [485848996] [2022-07-13 04:19:23,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,932 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,933 INFO L85 PathProgramCache]: Analyzing trace with hash 320062542, now seen corresponding path program 1 times [2022-07-13 04:19:23,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,934 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237941972] [2022-07-13 04:19:23,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,938 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,950 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:23,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:19:23,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1589512581, now seen corresponding path program 1 times [2022-07-13 04:19:23,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:19:23,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036594050] [2022-07-13 04:19:23,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:19:23,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:19:23,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:19:23,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:19:23,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:19:26,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:19:26 BoogieIcfgContainer [2022-07-13 04:19:26,246 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:19:26,246 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:19:26,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:19:26,248 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:19:26,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:19:22" (3/4) ... [2022-07-13 04:19:26,250 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:19:26,288 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:19:26,289 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:19:26,289 INFO L158 Benchmark]: Toolchain (without parser) took 4549.42ms. Allocated memory was 94.4MB in the beginning and 203.4MB in the end (delta: 109.1MB). Free memory was 56.0MB in the beginning and 124.8MB in the end (delta: -68.8MB). Peak memory consumption was 40.6MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,290 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:26,290 INFO L158 Benchmark]: CACSL2BoogieTranslator took 364.39ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.9MB in the beginning and 111.6MB in the end (delta: -55.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,290 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.89ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 108.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,291 INFO L158 Benchmark]: Boogie Preprocessor took 25.45ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,291 INFO L158 Benchmark]: RCFGBuilder took 456.37ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 84.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,292 INFO L158 Benchmark]: BuchiAutomizer took 3601.08ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 83.5MB in the beginning and 126.9MB in the end (delta: -43.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. [2022-07-13 04:19:26,292 INFO L158 Benchmark]: Witness Printer took 42.38ms. Allocated memory is still 203.4MB. Free memory was 126.9MB in the beginning and 124.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:19:26,294 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 94.4MB. Free memory is still 73.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 364.39ms. Allocated memory was 94.4MB in the beginning and 142.6MB in the end (delta: 48.2MB). Free memory was 55.9MB in the beginning and 111.6MB in the end (delta: -55.7MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.89ms. Allocated memory is still 142.6MB. Free memory was 111.6MB in the beginning and 108.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.45ms. Allocated memory is still 142.6MB. Free memory was 108.3MB in the beginning and 106.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 456.37ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 84.3MB in the end (delta: 21.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3601.08ms. Allocated memory was 142.6MB in the beginning and 203.4MB in the end (delta: 60.8MB). Free memory was 83.5MB in the beginning and 126.9MB in the end (delta: -43.4MB). Peak memory consumption was 82.0MB. Max. memory is 16.1GB. * Witness Printer took 42.38ms. Allocated memory is still 203.4MB. Free memory was 126.9MB in the beginning and 124.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 408 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 360 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1731 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1731 mSDsluCounter, 2018 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1516 mSDsCounter, 28 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 133 IncrementalHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 28 mSolverCounterUnsat, 502 mSDtfsCounter, 133 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 837]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, NULL=0, retValue_acc=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@60fe79a=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73a460b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c703798=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, \result=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3980ad5c=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@55312c5b=0, \result=0, tmp=1, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp___0=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, retValue_acc=1, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b5e82b0=0, tmp=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5d8e513b=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3511112d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@513f6d60=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2cc145c7=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 837]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L432] int waterLevel = 1; [L433] int methaneLevelCritical = 0; [L521] int cleanupTimeShifts = 4; [L629] int pumpRunning = 0; [L630] int systemActive = 1; [L929] int switchedOnBeforeTS ; [L602] int retValue_acc ; [L603] int tmp ; [L607] FCALL select_helpers() [L608] FCALL select_features() [L609] CALL, EXPR valid_product() [L920] int retValue_acc ; [L923] retValue_acc = 1 [L924] return (retValue_acc); [L609] RET, EXPR valid_product() [L609] tmp = valid_product() [L611] COND TRUE \read(tmp) [L613] FCALL setup() [L614] CALL runTest() [L592] CALL __utac_acc__Specification5_spec__1() [L934] switchedOnBeforeTS = 0 [L592] RET __utac_acc__Specification5_spec__1() [L593] CALL test() [L828] int splverifierCounter ; [L829] int tmp ; [L830] int tmp___0 ; [L831] int tmp___1 ; [L832] int tmp___2 ; [L835] splverifierCounter = 0 Loop: [L837] COND TRUE 1 [L839] COND TRUE splverifierCounter < 4 [L845] tmp = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp)) [L855] tmp___0 = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp___0)) [L865] tmp___2 = __VERIFIER_nondet_int() [L867] COND TRUE \read(tmp___2) [L882] CALL timeShift() [L639] CALL __utac_acc__Specification5_spec__2() [L943] CALL, EXPR isPumpRunning() [L748] int retValue_acc ; [L751] retValue_acc = pumpRunning [L752] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] switchedOnBeforeTS = isPumpRunning() [L639] RET __utac_acc__Specification5_spec__2() [L641] COND FALSE !(\read(pumpRunning)) [L648] COND TRUE \read(systemActive) [L650] CALL processEnvironment() [L696] int tmp ; [L699] COND FALSE !(\read(pumpRunning)) [L714] CALL processEnvironment__wrappee__lowWaterSensor() [L670] int tmp ; [L673] COND FALSE !(\read(pumpRunning)) [L688] FCALL processEnvironment__wrappee__base() [L714] RET processEnvironment__wrappee__lowWaterSensor() [L650] RET processEnvironment() [L656] CALL __utac_acc__Specification5_spec__3() [L949] int tmp ; [L950] int tmp___0 ; [L954] CALL, EXPR getWaterLevel() [L503] int retValue_acc ; [L506] retValue_acc = waterLevel [L507] return (retValue_acc); [L954] RET, EXPR getWaterLevel() [L954] tmp = getWaterLevel() [L956] COND TRUE tmp != 2 [L958] CALL, EXPR isPumpRunning() [L748] int retValue_acc ; [L751] retValue_acc = pumpRunning [L752] return (retValue_acc); [L958] RET, EXPR isPumpRunning() [L958] tmp___0 = isPumpRunning() [L960] COND FALSE !(\read(tmp___0)) [L656] RET __utac_acc__Specification5_spec__3() [L882] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:19:26,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)