./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product03.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 db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:15,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:15,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:15,904 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:15,904 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:15,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:15,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:15,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:15,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:15,908 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:15,909 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:15,910 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:15,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:15,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:15,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:15,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:15,913 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:15,913 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:15,914 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:15,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:15,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:15,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:15,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:15,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:15,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:15,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:15,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:15,922 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:15,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:15,923 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:15,923 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:15,924 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:15,924 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:15,925 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:15,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:15,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:15,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:15,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:15,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:15,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:15,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:15,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:15,950 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:15,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:15,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:15,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:15,953 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:15,955 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:15,955 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:15,955 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:15,955 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:15,955 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:15,956 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:15,956 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:15,956 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:15,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:15,956 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:15,957 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:15,958 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:15,958 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:15,958 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:15,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:15,958 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:15,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:15,959 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:15,959 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:15,960 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:15,960 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db8fa4142710656a2cf6992c61a703485566be309c58b9bda433457e238bbe1a [2022-02-21 04:18:16,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:16,222 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:16,223 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:16,224 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:16,225 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:16,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-02-21 04:18:16,281 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf741c53/a41579ef9a9044dbb414a0cc6ad5f195/FLAG037865d43 [2022-02-21 04:18:16,669 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:16,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product03.cil.c [2022-02-21 04:18:16,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf741c53/a41579ef9a9044dbb414a0cc6ad5f195/FLAG037865d43 [2022-02-21 04:18:17,049 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9bf741c53/a41579ef9a9044dbb414a0cc6ad5f195 [2022-02-21 04:18:17,056 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:17,058 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:17,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:17,061 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:17,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:17,068 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,070 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@142e46bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17, skipping insertion in model container [2022-02-21 04:18:17,070 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,086 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:17,149 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:17,404 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_product03.cil.c[1605,1618] [2022-02-21 04:18:17,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:17,618 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:17,644 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_product03.cil.c[1605,1618] [2022-02-21 04:18:17,697 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:17,749 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:17,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17 WrapperNode [2022-02-21 04:18:17,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:17,751 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:17,763 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:17,763 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:17,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,788 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,846 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 41, statements flattened = 325 [2022-02-21 04:18:17,859 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:17,860 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:17,860 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:17,860 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:17,866 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,884 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,896 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:17,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:17,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:17,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:17,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (1/1) ... [2022-02-21 04:18:17,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:17,954 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:17,963 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) [2022-02-21 04:18:17,970 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 [2022-02-21 04:18:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:17,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:17,993 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:18,064 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:18,065 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:18,322 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:18,327 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:18,327 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:18,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:18 BoogieIcfgContainer [2022-02-21 04:18:18,328 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:18,329 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:18,329 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:18,336 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:18,337 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:18,337 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:17" (1/3) ... [2022-02-21 04:18:18,338 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9ca8301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:18, skipping insertion in model container [2022-02-21 04:18:18,338 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:18,338 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:17" (2/3) ... [2022-02-21 04:18:18,339 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9ca8301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:18, skipping insertion in model container [2022-02-21 04:18:18,339 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:18,339 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:18" (3/3) ... [2022-02-21 04:18:18,340 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product03.cil.c [2022-02-21 04:18:18,376 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:18,376 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:18,377 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:18,377 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:18,377 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:18,377 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:18,377 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:18,377 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:18,393 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-02-21 04:18:18,451 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:18:18,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:18,452 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:18,472 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:18,473 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:18,473 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:18,474 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-02-21 04:18:18,480 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 56 [2022-02-21 04:18:18,480 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:18,480 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:18,480 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:18,480 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:18,484 INFO L791 eck$LassoCheckResult]: Stem: 71#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 16#L553true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47#L546true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 5#L561true main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 26#L517true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 90#L488true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 32#L774true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 55#L710-2true [2022-02-21 04:18:18,484 INFO L793 eck$LassoCheckResult]: Loop: 55#L710-2true assume !false; 60#L711true assume test_~splverifierCounter~0#1 < 4; 87#L712true test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 42#L720true assume !(0 != test_~tmp~4#1); 62#L720-2true test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 76#L730true assume !(0 != test_~tmp___0~0#1); 70#L730-2true test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 63#L740true assume 0 != test_~tmp___2~0#1; 27#L746-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 50#L644true __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 69#L784true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 14#L585true assume !(0 != ~pumpRunning~0); 59#L585-2true assume !(0 != ~systemActive~0); 77#L592-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 67#L892true __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 9#L795true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 29#L795-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 17#L602true assume { :end_inline_timeShift } true; 55#L710-2true [2022-02-21 04:18:18,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:18,489 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:18,494 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:18,495 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [563971860] [2022-02-21 04:18:18,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:18,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:18,569 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:18,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:18,630 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:18,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:18,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2013527700, now seen corresponding path program 1 times [2022-02-21 04:18:18,632 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:18,633 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212098030] [2022-02-21 04:18:18,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:18,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:18,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:18,660 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:18,669 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:18,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:18,672 INFO L85 PathProgramCache]: Analyzing trace with hash 942087189, now seen corresponding path program 1 times [2022-02-21 04:18:18,673 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:18,673 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834377583] [2022-02-21 04:18:18,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:18,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:18,830 INFO L290 TraceCheckUtils]: 0: Hoare triple {97#true} 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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:18,831 INFO L290 TraceCheckUtils]: 1: Hoare triple {99#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:18,831 INFO L290 TraceCheckUtils]: 2: Hoare triple {99#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {99#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:18,832 INFO L290 TraceCheckUtils]: 3: Hoare triple {99#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {100#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:18,832 INFO L290 TraceCheckUtils]: 4: Hoare triple {100#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; {101#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} is VALID [2022-02-21 04:18:18,833 INFO L290 TraceCheckUtils]: 5: Hoare triple {101#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,833 INFO L290 TraceCheckUtils]: 6: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,833 INFO L290 TraceCheckUtils]: 7: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,834 INFO L290 TraceCheckUtils]: 8: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !false; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,834 INFO L290 TraceCheckUtils]: 9: Hoare triple {102#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,835 INFO L290 TraceCheckUtils]: 10: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,836 INFO L290 TraceCheckUtils]: 11: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4#1); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,836 INFO L290 TraceCheckUtils]: 12: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,837 INFO L290 TraceCheckUtils]: 13: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,837 INFO L290 TraceCheckUtils]: 14: Hoare triple {102#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,838 INFO L290 TraceCheckUtils]: 15: Hoare triple {102#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,838 INFO L290 TraceCheckUtils]: 16: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,839 INFO L290 TraceCheckUtils]: 17: Hoare triple {102#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,839 INFO L290 TraceCheckUtils]: 18: Hoare triple {102#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,840 INFO L290 TraceCheckUtils]: 19: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {102#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:18,842 INFO L290 TraceCheckUtils]: 20: Hoare triple {102#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {98#false} is VALID [2022-02-21 04:18:18,842 INFO L290 TraceCheckUtils]: 21: Hoare triple {98#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {98#false} is VALID [2022-02-21 04:18:18,842 INFO L290 TraceCheckUtils]: 22: Hoare triple {98#false} __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; {98#false} is VALID [2022-02-21 04:18:18,843 INFO L290 TraceCheckUtils]: 23: Hoare triple {98#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); {98#false} is VALID [2022-02-21 04:18:18,843 INFO L290 TraceCheckUtils]: 24: Hoare triple {98#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {98#false} is VALID [2022-02-21 04:18:18,844 INFO L290 TraceCheckUtils]: 25: Hoare triple {98#false} assume { :end_inline_timeShift } true; {98#false} is VALID [2022-02-21 04:18:18,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:18,845 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:18,845 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834377583] [2022-02-21 04:18:18,846 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834377583] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:18,846 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:18,846 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:18,847 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573652813] [2022-02-21 04:18:18,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:18,966 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:18,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:18,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:18,986 INFO L87 Difference]: Start difference. First operand has 89 states, 88 states have (on average 1.3636363636363635) internal successors, (120), 88 states have internal predecessors, (120), 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) [2022-02-21 04:18:19,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:19,459 INFO L93 Difference]: Finished difference Result 237 states and 300 transitions. [2022-02-21 04:18:19,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:19,460 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 04:18:19,489 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 26 edges. 26 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:19,495 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 237 states and 300 transitions. [2022-02-21 04:18:19,512 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 149 [2022-02-21 04:18:19,522 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 237 states to 207 states and 270 transitions. [2022-02-21 04:18:19,523 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 207 [2022-02-21 04:18:19,523 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 207 [2022-02-21 04:18:19,524 INFO L73 IsDeterministic]: Start isDeterministic. Operand 207 states and 270 transitions. [2022-02-21 04:18:19,525 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:19,525 INFO L681 BuchiCegarLoop]: Abstraction has 207 states and 270 transitions. [2022-02-21 04:18:19,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states and 270 transitions. [2022-02-21 04:18:19,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 137. [2022-02-21 04:18:19,555 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:19,556 INFO L82 GeneralOperation]: Start isEquivalent. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2022-02-21 04:18:19,557 INFO L74 IsIncluded]: Start isIncluded. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2022-02-21 04:18:19,559 INFO L87 Difference]: Start difference. First operand 207 states and 270 transitions. Second operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2022-02-21 04:18:19,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:19,564 INFO L93 Difference]: Finished difference Result 207 states and 270 transitions. [2022-02-21 04:18:19,565 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 270 transitions. [2022-02-21 04:18:19,566 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:19,567 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:19,567 INFO L74 IsIncluded]: Start isIncluded. First operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 207 states and 270 transitions. [2022-02-21 04:18:19,568 INFO L87 Difference]: Start difference. First operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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 207 states and 270 transitions. [2022-02-21 04:18:19,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:19,576 INFO L93 Difference]: Finished difference Result 207 states and 270 transitions. [2022-02-21 04:18:19,576 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 270 transitions. [2022-02-21 04:18:19,581 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:19,583 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:19,583 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:19,583 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:19,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 137 states have (on average 1.3065693430656935) internal successors, (179), 136 states have internal predecessors, (179), 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) [2022-02-21 04:18:19,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 179 transitions. [2022-02-21 04:18:19,589 INFO L704 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-02-21 04:18:19,589 INFO L587 BuchiCegarLoop]: Abstraction has 137 states and 179 transitions. [2022-02-21 04:18:19,589 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:19,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 137 states and 179 transitions. [2022-02-21 04:18:19,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 98 [2022-02-21 04:18:19,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:19,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:19,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:19,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:19,592 INFO L791 eck$LassoCheckResult]: Stem: 419#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 409#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 362#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 363#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 344#L561 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 345#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 378#L488 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 385#L774 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 365#L710-2 [2022-02-21 04:18:19,593 INFO L793 eck$LassoCheckResult]: Loop: 365#L710-2 assume !false; 410#L711 assume test_~splverifierCounter~0#1 < 4; 412#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 396#L720 assume !(0 != test_~tmp~4#1); 359#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 413#L730 assume !(0 != test_~tmp___0~0#1); 418#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 414#L740 assume 0 != test_~tmp___2~0#1; 379#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 380#L644 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 403#L784 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 360#L585 assume !(0 != ~pumpRunning~0); 361#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 368#L609 assume { :end_inline_processEnvironment } true; 369#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 416#L892 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 350#L795 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 352#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 364#L602 assume { :end_inline_timeShift } true; 365#L710-2 [2022-02-21 04:18:19,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:19,593 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:19,593 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:19,594 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088438418] [2022-02-21 04:18:19,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:19,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:19,620 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:19,637 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:19,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:19,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1661915626, now seen corresponding path program 1 times [2022-02-21 04:18:19,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:19,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381042355] [2022-02-21 04:18:19,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:19,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:19,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:19,653 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:19,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:19,654 INFO L85 PathProgramCache]: Analyzing trace with hash -232167283, now seen corresponding path program 1 times [2022-02-21 04:18:19,654 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:19,655 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1015448116] [2022-02-21 04:18:19,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:19,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:19,721 INFO L290 TraceCheckUtils]: 0: Hoare triple {902#true} 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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,722 INFO L290 TraceCheckUtils]: 1: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,722 INFO L290 TraceCheckUtils]: 2: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,723 INFO L290 TraceCheckUtils]: 3: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,723 INFO L290 TraceCheckUtils]: 4: Hoare triple {904#(<= ~waterLevel~0 1)} main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,723 INFO L290 TraceCheckUtils]: 5: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,724 INFO L290 TraceCheckUtils]: 6: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,724 INFO L290 TraceCheckUtils]: 8: Hoare triple {904#(<= ~waterLevel~0 1)} assume !false; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {904#(<= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,725 INFO L290 TraceCheckUtils]: 10: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp~4#1); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,726 INFO L290 TraceCheckUtils]: 12: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,726 INFO L290 TraceCheckUtils]: 13: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~0#1); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,726 INFO L290 TraceCheckUtils]: 14: Hoare triple {904#(<= ~waterLevel~0 1)} test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,727 INFO L290 TraceCheckUtils]: 15: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,727 INFO L290 TraceCheckUtils]: 17: Hoare triple {904#(<= ~waterLevel~0 1)} __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {904#(<= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,728 INFO L290 TraceCheckUtils]: 20: Hoare triple {904#(<= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {904#(<= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:19,729 INFO L290 TraceCheckUtils]: 22: Hoare triple {904#(<= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; {905#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:19,733 INFO L290 TraceCheckUtils]: 23: Hoare triple {905#(<= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; {906#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5#1| 1)} is VALID [2022-02-21 04:18:19,733 INFO L290 TraceCheckUtils]: 24: Hoare triple {906#(<= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); {903#false} is VALID [2022-02-21 04:18:19,733 INFO L290 TraceCheckUtils]: 25: Hoare triple {903#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {903#false} is VALID [2022-02-21 04:18:19,734 INFO L290 TraceCheckUtils]: 26: Hoare triple {903#false} assume { :end_inline_timeShift } true; {903#false} is VALID [2022-02-21 04:18:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:19,734 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:19,734 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1015448116] [2022-02-21 04:18:19,735 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1015448116] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:19,735 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:19,735 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:19,735 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [312965822] [2022-02-21 04:18:19,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:19,841 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:19,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:19,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:19,842 INFO L87 Difference]: Start difference. First operand 137 states and 179 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-02-21 04:18:20,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:20,175 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:20,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:20,175 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-02-21 04:18:20,195 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:20,196 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 353 states and 459 transitions. [2022-02-21 04:18:20,203 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 238 [2022-02-21 04:18:20,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 353 states to 353 states and 459 transitions. [2022-02-21 04:18:20,210 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 353 [2022-02-21 04:18:20,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 353 [2022-02-21 04:18:20,211 INFO L73 IsDeterministic]: Start isDeterministic. Operand 353 states and 459 transitions. [2022-02-21 04:18:20,212 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:20,212 INFO L681 BuchiCegarLoop]: Abstraction has 353 states and 459 transitions. [2022-02-21 04:18:20,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states and 459 transitions. [2022-02-21 04:18:20,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 264. [2022-02-21 04:18:20,219 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:20,220 INFO L82 GeneralOperation]: Start isEquivalent. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2022-02-21 04:18:20,220 INFO L74 IsIncluded]: Start isIncluded. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2022-02-21 04:18:20,221 INFO L87 Difference]: Start difference. First operand 353 states and 459 transitions. Second operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2022-02-21 04:18:20,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:20,230 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:20,230 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-02-21 04:18:20,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:20,231 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:20,231 INFO L74 IsIncluded]: Start isIncluded. First operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 353 states and 459 transitions. [2022-02-21 04:18:20,232 INFO L87 Difference]: Start difference. First operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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 353 states and 459 transitions. [2022-02-21 04:18:20,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:20,241 INFO L93 Difference]: Finished difference Result 353 states and 459 transitions. [2022-02-21 04:18:20,241 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 459 transitions. [2022-02-21 04:18:20,242 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:20,242 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:20,242 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:20,242 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:20,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 264 states have (on average 1.2878787878787878) internal successors, (340), 263 states have internal predecessors, (340), 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) [2022-02-21 04:18:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 340 transitions. [2022-02-21 04:18:20,248 INFO L704 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-02-21 04:18:20,249 INFO L587 BuchiCegarLoop]: Abstraction has 264 states and 340 transitions. [2022-02-21 04:18:20,249 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:20,249 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 264 states and 340 transitions. [2022-02-21 04:18:20,250 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 194 [2022-02-21 04:18:20,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:20,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:20,251 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,251 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:20,251 INFO L791 eck$LassoCheckResult]: Stem: 1357#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(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1345#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret27#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1283#L553 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1284#L546 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1268#L561 main_#t~ret27#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret27#1;havoc main_#t~ret27#1; 1269#L517 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1303#L488 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1310#L774 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_#t~nondet41#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1286#L710-2 [2022-02-21 04:18:20,251 INFO L793 eck$LassoCheckResult]: Loop: 1286#L710-2 assume !false; 1484#L711 assume test_~splverifierCounter~0#1 < 4; 1483#L712 test_~tmp~4#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1; 1481#L720 assume !(0 != test_~tmp~4#1); 1348#L720-2 test_~tmp___0~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1; 1349#L730 assume !(0 != test_~tmp___0~0#1); 1356#L730-2 test_~tmp___2~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 1350#L740 assume 0 != test_~tmp___2~0#1; 1301#L746-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret42#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1302#L644 __utac_acc__Specification5_spec__2_#t~ret42#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret42#1;havoc __utac_acc__Specification5_spec__2_#t~ret42#1; 1334#L784 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1281#L585 assume !(0 != ~pumpRunning~0); 1282#L585-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1289#L609 assume { :end_inline_processEnvironment } true; 1290#L592-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret43#1, __utac_acc__Specification5_spec__3_#t~ret44#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~1#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~1#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 1358#L892 __utac_acc__Specification5_spec__3_#t~ret43#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret43#1;havoc __utac_acc__Specification5_spec__3_#t~ret43#1; 1272#L795 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 1273#L644-1 __utac_acc__Specification5_spec__3_#t~ret44#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~1#1 := __utac_acc__Specification5_spec__3_#t~ret44#1;havoc __utac_acc__Specification5_spec__3_#t~ret44#1; 1359#L799 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~1#1); 1294#L795-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1285#L602 assume { :end_inline_timeShift } true; 1286#L710-2 [2022-02-21 04:18:20,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:20,252 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:20,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:20,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159104845] [2022-02-21 04:18:20,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:20,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,259 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:20,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,266 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:20,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:20,266 INFO L85 PathProgramCache]: Analyzing trace with hash 607818289, now seen corresponding path program 1 times [2022-02-21 04:18:20,267 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:20,267 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878056072] [2022-02-21 04:18:20,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:20,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,271 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:20,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,274 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:20,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:20,274 INFO L85 PathProgramCache]: Analyzing trace with hash 206441192, now seen corresponding path program 1 times [2022-02-21 04:18:20,275 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:20,275 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [587222870] [2022-02-21 04:18:20,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:20,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,284 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:20,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:20,294 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:22,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:22 BoogieIcfgContainer [2022-02-21 04:18:22,900 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:22,901 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:22,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:22,901 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:22,901 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:18" (3/4) ... [2022-02-21 04:18:22,903 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:22,931 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:22,931 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:22,932 INFO L158 Benchmark]: Toolchain (without parser) took 5874.09ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 76.4MB in the beginning and 66.7MB in the end (delta: 9.7MB). Peak memory consumption was 59.4MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,932 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:22,933 INFO L158 Benchmark]: CACSL2BoogieTranslator took 689.58ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 76.4MB in the beginning and 93.4MB in the end (delta: -17.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.73ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 90.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,933 INFO L158 Benchmark]: Boogie Preprocessor took 80.01ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,933 INFO L158 Benchmark]: RCFGBuilder took 387.80ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 70.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,934 INFO L158 Benchmark]: BuchiAutomizer took 4571.69ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,934 INFO L158 Benchmark]: Witness Printer took 30.46ms. Allocated memory is still 157.3MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:22,935 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 107.0MB. Free memory is still 64.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 689.58ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 76.4MB in the beginning and 93.4MB in the end (delta: -17.0MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.73ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 90.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 80.01ms. Allocated memory is still 130.0MB. Free memory was 90.3MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 387.80ms. Allocated memory is still 130.0MB. Free memory was 88.7MB in the beginning and 70.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4571.69ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 70.8MB in the beginning and 68.8MB in the end (delta: 2.1MB). Peak memory consumption was 57.4MB. Max. memory is 16.1GB. * Witness Printer took 30.46ms. Allocated memory is still 157.3MB. Free memory was 68.8MB in the beginning and 66.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. 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 264 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 159 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 264 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 666 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 666 mSDsluCounter, 1165 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 933 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 232 mSDtfsCounter, 107 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 - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 710]: 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, head=0, pumpRunning=0, retValue_acc=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6798b738=0, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6850261f=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@751d3218=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39f6131a=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70eba869=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@357f9bfb=29, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@261cb9a5=0, \result=0, tmp=1, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp___0=0, head=0, \result=1, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@563aad10=0, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 710]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L228] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L425] int cleanupTimeShifts = 4; [L573] int pumpRunning = 0; [L574] int systemActive = 1; [L768] int switchedOnBeforeTS ; [L817] int waterLevel = 1; [L818] int methaneLevelCritical = 0; [L508] int retValue_acc ; [L509] int tmp ; [L513] FCALL select_helpers() [L514] FCALL select_features() [L515] CALL, EXPR valid_product() [L557] int retValue_acc ; [L560] retValue_acc = 1 [L561] return (retValue_acc); [L515] RET, EXPR valid_product() [L515] tmp = valid_product() [L517] COND TRUE \read(tmp) [L519] FCALL setup() [L520] CALL runTest() [L498] CALL __utac_acc__Specification5_spec__1() [L773] switchedOnBeforeTS = 0 [L498] RET __utac_acc__Specification5_spec__1() [L499] CALL test() [L701] int splverifierCounter ; [L702] int tmp ; [L703] int tmp___0 ; [L704] int tmp___1 ; [L705] int tmp___2 ; [L708] splverifierCounter = 0 Loop: [L710] COND TRUE 1 [L712] COND TRUE splverifierCounter < 4 [L718] tmp = __VERIFIER_nondet_int() [L720] COND FALSE !(\read(tmp)) [L728] tmp___0 = __VERIFIER_nondet_int() [L730] COND FALSE !(\read(tmp___0)) [L738] tmp___2 = __VERIFIER_nondet_int() [L740] COND TRUE \read(tmp___2) [L755] CALL timeShift() [L583] CALL __utac_acc__Specification5_spec__2() [L782] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L782] RET, EXPR isPumpRunning() [L782] switchedOnBeforeTS = isPumpRunning() [L583] RET __utac_acc__Specification5_spec__2() [L585] COND FALSE !(\read(pumpRunning)) [L592] COND TRUE \read(systemActive) [L594] FCALL processEnvironment() [L600] CALL __utac_acc__Specification5_spec__3() [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR getWaterLevel() [L888] int retValue_acc ; [L891] retValue_acc = waterLevel [L892] return (retValue_acc); [L793] RET, EXPR getWaterLevel() [L793] tmp = getWaterLevel() [L795] COND TRUE tmp != 2 [L797] CALL, EXPR isPumpRunning() [L640] int retValue_acc ; [L643] retValue_acc = pumpRunning [L644] return (retValue_acc); [L797] RET, EXPR isPumpRunning() [L797] tmp___0 = isPumpRunning() [L799] COND FALSE !(\read(tmp___0)) [L600] RET __utac_acc__Specification5_spec__3() [L755] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:22,976 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)