./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product36.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_spec2_product36.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 1849026681bb840017399851b7fbd7074a9bb56e2104927ac4a62c52d8de2e86 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:12,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:12,754 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:12,793 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:12,794 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:12,795 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:12,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:12,796 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:12,797 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:12,798 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:12,798 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:12,804 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:12,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:12,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:12,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:12,810 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:12,811 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:12,812 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:12,815 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:12,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:12,821 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:12,824 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:12,825 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:12,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:12,828 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:12,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:12,830 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:12,831 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:12,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:12,832 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:12,832 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:12,833 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:12,834 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:12,835 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:12,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:12,836 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:12,837 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:12,837 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:12,837 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:12,838 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:12,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:12,840 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:12,860 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:12,860 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:12,860 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:12,860 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:12,861 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:12,862 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:12,862 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:12,862 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:12,862 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:12,862 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:12,863 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:12,863 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:12,863 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:12,864 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:12,864 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:12,865 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:12,866 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:12,866 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:12,866 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:12,866 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:12,867 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:12,867 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1849026681bb840017399851b7fbd7074a9bb56e2104927ac4a62c52d8de2e86 [2022-02-21 04:16:13,068 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:13,093 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:13,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:13,102 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:13,115 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:13,116 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2022-02-21 04:16:13,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9056ba/6f5a04e261444a3e90f60e0f8b73f2c2/FLAG862aee606 [2022-02-21 04:16:13,559 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:13,561 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product36.cil.c [2022-02-21 04:16:13,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9056ba/6f5a04e261444a3e90f60e0f8b73f2c2/FLAG862aee606 [2022-02-21 04:16:13,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79f9056ba/6f5a04e261444a3e90f60e0f8b73f2c2 [2022-02-21 04:16:13,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:13,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:13,923 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:13,923 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:13,925 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:13,926 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:13" (1/1) ... [2022-02-21 04:16:13,928 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65c77afd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:13, skipping insertion in model container [2022-02-21 04:16:13,928 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:13" (1/1) ... [2022-02-21 04:16:13,933 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:13,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:14,186 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_spec2_product36.cil.c[17676,17689] [2022-02-21 04:16:14,187 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:14,211 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:14,300 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_spec2_product36.cil.c[17676,17689] [2022-02-21 04:16:14,302 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:14,313 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:14,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14 WrapperNode [2022-02-21 04:16:14,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:14,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:14,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:14,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:14,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,390 INFO L137 Inliner]: procedures = 55, calls = 153, calls flagged for inlining = 50, calls inlined = 51, statements flattened = 415 [2022-02-21 04:16:14,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:14,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:14,396 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:14,396 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:14,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,424 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,436 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,439 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:14,440 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:14,440 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:14,440 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:14,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (1/1) ... [2022-02-21 04:16:14,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:14,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:14,486 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 04:16:14,500 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 04:16:14,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:14,527 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:14,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:14,580 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:14,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:14,980 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:14,987 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:14,987 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:14,989 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14 BoogieIcfgContainer [2022-02-21 04:16:14,989 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:14,990 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:14,990 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:14,996 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:14,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:14,997 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:13" (1/3) ... [2022-02-21 04:16:14,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104ec7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:14, skipping insertion in model container [2022-02-21 04:16:14,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:14,998 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:14" (2/3) ... [2022-02-21 04:16:14,998 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@104ec7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:14, skipping insertion in model container [2022-02-21 04:16:14,998 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:14,999 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14" (3/3) ... [2022-02-21 04:16:15,000 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2022-02-21 04:16:15,053 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:15,053 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:15,053 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:15,053 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:15,054 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:15,054 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:15,054 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:15,054 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:15,067 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 113 states have internal predecessors, (157), 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 04:16:15,097 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2022-02-21 04:16:15,097 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:15,097 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:15,101 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,101 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,101 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:15,103 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 114 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 113 states have internal predecessors, (157), 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 04:16:15,112 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2022-02-21 04:16:15,112 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:15,112 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:15,113 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,113 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,125 INFO L791 eck$LassoCheckResult]: Stem: 100#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 10#L542true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L535true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 115#L550true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 38#L642true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 87#L616true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 93#L921true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 59#L847-2true [2022-02-21 04:16:15,126 INFO L793 eck$LassoCheckResult]: Loop: 59#L847-2true assume !false; 39#L848true assume test_~splverifierCounter~0#1 < 4; 107#L849true test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 83#L857true assume !(0 != test_~tmp~6#1); 68#L857-2true test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 91#L867true assume !(0 != test_~tmp___0~1#1); 30#L867-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 22#L877true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 41#L833true assume { :end_inline_startSystem } true; 43#L885-2true assume { :begin_inline_timeShift } true; 94#L669true assume !(0 != ~pumpRunning~0); 44#L669-2true assume !(0 != ~systemActive~0); 4#L676-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 53#L100true __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 69#L932true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 109#L932-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 61#L686true assume { :end_inline_timeShift } true; 59#L847-2true [2022-02-21 04:16:15,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:15,131 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:16:15,138 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:15,138 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986842209] [2022-02-21 04:16:15,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:15,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:15,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:15,227 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:15,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:15,293 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:15,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:15,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1568106633, now seen corresponding path program 1 times [2022-02-21 04:16:15,296 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:15,297 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626025866] [2022-02-21 04:16:15,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:15,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:15,379 INFO L290 TraceCheckUtils]: 0: Hoare triple {120#true} assume !false; {120#true} is VALID [2022-02-21 04:16:15,380 INFO L290 TraceCheckUtils]: 1: Hoare triple {120#true} assume test_~splverifierCounter~0#1 < 4; {120#true} is VALID [2022-02-21 04:16:15,380 INFO L290 TraceCheckUtils]: 2: Hoare triple {120#true} test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {120#true} is VALID [2022-02-21 04:16:15,380 INFO L290 TraceCheckUtils]: 3: Hoare triple {120#true} assume !(0 != test_~tmp~6#1); {120#true} is VALID [2022-02-21 04:16:15,380 INFO L290 TraceCheckUtils]: 4: Hoare triple {120#true} test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {120#true} is VALID [2022-02-21 04:16:15,380 INFO L290 TraceCheckUtils]: 5: Hoare triple {120#true} assume !(0 != test_~tmp___0~1#1); {120#true} is VALID [2022-02-21 04:16:15,381 INFO L290 TraceCheckUtils]: 6: Hoare triple {120#true} test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {120#true} is VALID [2022-02-21 04:16:15,382 INFO L290 TraceCheckUtils]: 7: Hoare triple {120#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {122#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:15,382 INFO L290 TraceCheckUtils]: 8: Hoare triple {122#(<= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {122#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:15,383 INFO L290 TraceCheckUtils]: 9: Hoare triple {122#(<= 1 ~systemActive~0)} assume { :begin_inline_timeShift } true; {122#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:15,383 INFO L290 TraceCheckUtils]: 10: Hoare triple {122#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {122#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:15,386 INFO L290 TraceCheckUtils]: 11: Hoare triple {122#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {121#false} is VALID [2022-02-21 04:16:15,387 INFO L290 TraceCheckUtils]: 12: Hoare triple {121#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {121#false} is VALID [2022-02-21 04:16:15,387 INFO L290 TraceCheckUtils]: 13: Hoare triple {121#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {121#false} is VALID [2022-02-21 04:16:15,387 INFO L290 TraceCheckUtils]: 14: Hoare triple {121#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; {121#false} is VALID [2022-02-21 04:16:15,387 INFO L290 TraceCheckUtils]: 15: Hoare triple {121#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {121#false} is VALID [2022-02-21 04:16:15,387 INFO L290 TraceCheckUtils]: 16: Hoare triple {121#false} assume { :end_inline_timeShift } true; {121#false} is VALID [2022-02-21 04:16:15,388 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 04:16:15,388 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:15,388 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626025866] [2022-02-21 04:16:15,389 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626025866] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:15,389 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:15,389 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:16:15,389 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864779137] [2022-02-21 04:16:15,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:15,394 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:16:15,395 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:15,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:16:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:16:15,421 INFO L87 Difference]: Start difference. First operand has 114 states, 113 states have (on average 1.3893805309734513) internal successors, (157), 113 states have internal predecessors, (157), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 04:16:15,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,645 INFO L93 Difference]: Finished difference Result 212 states and 280 transitions. [2022-02-21 04:16:15,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:16:15,646 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 04:16:15,659 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:15,662 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 212 states and 280 transitions. [2022-02-21 04:16:15,671 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2022-02-21 04:16:15,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 212 states to 192 states and 259 transitions. [2022-02-21 04:16:15,679 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 192 [2022-02-21 04:16:15,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 192 [2022-02-21 04:16:15,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 192 states and 259 transitions. [2022-02-21 04:16:15,680 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:15,680 INFO L681 BuchiCegarLoop]: Abstraction has 192 states and 259 transitions. [2022-02-21 04:16:15,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states and 259 transitions. [2022-02-21 04:16:15,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 189. [2022-02-21 04:16:15,705 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:15,706 INFO L82 GeneralOperation]: Start isEquivalent. First operand 192 states and 259 transitions. Second operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 04:16:15,707 INFO L74 IsIncluded]: Start isIncluded. First operand 192 states and 259 transitions. Second operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 04:16:15,708 INFO L87 Difference]: Start difference. First operand 192 states and 259 transitions. Second operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 04:16:15,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,714 INFO L93 Difference]: Finished difference Result 192 states and 259 transitions. [2022-02-21 04:16:15,714 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 259 transitions. [2022-02-21 04:16:15,716 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:15,716 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:15,716 INFO L74 IsIncluded]: Start isIncluded. First operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 192 states and 259 transitions. [2022-02-21 04:16:15,717 INFO L87 Difference]: Start difference. First operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 192 states and 259 transitions. [2022-02-21 04:16:15,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,722 INFO L93 Difference]: Finished difference Result 192 states and 259 transitions. [2022-02-21 04:16:15,722 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 259 transitions. [2022-02-21 04:16:15,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:15,723 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:15,724 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:15,724 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:15,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 189 states have (on average 1.3492063492063493) internal successors, (255), 188 states have internal predecessors, (255), 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 04:16:15,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 255 transitions. [2022-02-21 04:16:15,730 INFO L704 BuchiCegarLoop]: Abstraction has 189 states and 255 transitions. [2022-02-21 04:16:15,730 INFO L587 BuchiCegarLoop]: Abstraction has 189 states and 255 transitions. [2022-02-21 04:16:15,730 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:15,730 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 189 states and 255 transitions. [2022-02-21 04:16:15,732 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2022-02-21 04:16:15,732 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:15,732 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:15,732 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,732 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] [2022-02-21 04:16:15,733 INFO L791 eck$LassoCheckResult]: Stem: 439#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 382#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 347#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 348#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 423#L550 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 384#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 385#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 432#L921 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 438#L847-2 [2022-02-21 04:16:15,733 INFO L793 eck$LassoCheckResult]: Loop: 438#L847-2 assume !false; 449#L848 assume test_~splverifierCounter~0#1 < 4; 450#L849 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 480#L857 assume !(0 != test_~tmp~6#1); 478#L857-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 476#L867 assume !(0 != test_~tmp___0~1#1); 474#L867-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 473#L877 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 472#L885 assume !(0 != test_~tmp___1~0#1); 388#L885-2 assume { :begin_inline_timeShift } true; 470#L669 assume !(0 != ~pumpRunning~0); 468#L669-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 464#L701 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 462#L693-1 assume { :end_inline_processEnvironment__wrappee__base } true; 459#L701-1 assume { :end_inline_processEnvironment } true; 458#L676-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 457#L100 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 455#L932 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 452#L932-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 451#L686 assume { :end_inline_timeShift } true; 438#L847-2 [2022-02-21 04:16:15,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:15,734 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:16:15,734 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:15,734 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089584305] [2022-02-21 04:16:15,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:15,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:15,749 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:15,764 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:15,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:15,764 INFO L85 PathProgramCache]: Analyzing trace with hash 1459302315, now seen corresponding path program 1 times [2022-02-21 04:16:15,764 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:15,765 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293277188] [2022-02-21 04:16:15,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:15,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:15,779 INFO L290 TraceCheckUtils]: 0: Hoare triple {913#true} assume !false; {913#true} is VALID [2022-02-21 04:16:15,780 INFO L290 TraceCheckUtils]: 1: Hoare triple {913#true} assume test_~splverifierCounter~0#1 < 4; {913#true} is VALID [2022-02-21 04:16:15,780 INFO L290 TraceCheckUtils]: 2: Hoare triple {913#true} test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {913#true} is VALID [2022-02-21 04:16:15,780 INFO L290 TraceCheckUtils]: 3: Hoare triple {913#true} assume !(0 != test_~tmp~6#1); {913#true} is VALID [2022-02-21 04:16:15,780 INFO L290 TraceCheckUtils]: 4: Hoare triple {913#true} test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {913#true} is VALID [2022-02-21 04:16:15,780 INFO L290 TraceCheckUtils]: 5: Hoare triple {913#true} assume !(0 != test_~tmp___0~1#1); {913#true} is VALID [2022-02-21 04:16:15,781 INFO L290 TraceCheckUtils]: 6: Hoare triple {913#true} test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {913#true} is VALID [2022-02-21 04:16:15,781 INFO L290 TraceCheckUtils]: 7: Hoare triple {913#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {913#true} is VALID [2022-02-21 04:16:15,781 INFO L290 TraceCheckUtils]: 8: Hoare triple {913#true} assume !(0 != test_~tmp___1~0#1); {913#true} is VALID [2022-02-21 04:16:15,781 INFO L290 TraceCheckUtils]: 9: Hoare triple {913#true} assume { :begin_inline_timeShift } true; {913#true} is VALID [2022-02-21 04:16:15,781 INFO L290 TraceCheckUtils]: 10: Hoare triple {913#true} assume !(0 != ~pumpRunning~0); {915#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:16:15,782 INFO L290 TraceCheckUtils]: 11: Hoare triple {915#(= ~pumpRunning~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {915#(= ~pumpRunning~0 0)} is VALID [2022-02-21 04:16:15,782 INFO L290 TraceCheckUtils]: 12: Hoare triple {915#(= ~pumpRunning~0 0)} assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {914#false} is VALID [2022-02-21 04:16:15,782 INFO L290 TraceCheckUtils]: 13: Hoare triple {914#false} assume { :end_inline_processEnvironment__wrappee__base } true; {914#false} is VALID [2022-02-21 04:16:15,782 INFO L290 TraceCheckUtils]: 14: Hoare triple {914#false} assume { :end_inline_processEnvironment } true; {914#false} is VALID [2022-02-21 04:16:15,783 INFO L290 TraceCheckUtils]: 15: Hoare triple {914#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {914#false} is VALID [2022-02-21 04:16:15,783 INFO L290 TraceCheckUtils]: 16: Hoare triple {914#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {914#false} is VALID [2022-02-21 04:16:15,783 INFO L290 TraceCheckUtils]: 17: Hoare triple {914#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; {914#false} is VALID [2022-02-21 04:16:15,783 INFO L290 TraceCheckUtils]: 18: Hoare triple {914#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {914#false} is VALID [2022-02-21 04:16:15,783 INFO L290 TraceCheckUtils]: 19: Hoare triple {914#false} assume { :end_inline_timeShift } true; {914#false} is VALID [2022-02-21 04:16:15,784 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 04:16:15,784 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:15,784 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293277188] [2022-02-21 04:16:15,784 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293277188] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:15,784 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:15,784 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:16:15,785 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856968558] [2022-02-21 04:16:15,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:15,785 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:16:15,785 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:15,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:16:15,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:16:15,786 INFO L87 Difference]: Start difference. First operand 189 states and 255 transitions. cyclomatic complexity: 69 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 04:16:15,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,917 INFO L93 Difference]: Finished difference Result 301 states and 396 transitions. [2022-02-21 04:16:15,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:16:15,917 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 04:16:15,943 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 20 edges. 20 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:15,944 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,952 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-02-21 04:16:15,960 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 301 states to 301 states and 396 transitions. [2022-02-21 04:16:15,960 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 301 [2022-02-21 04:16:15,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 301 [2022-02-21 04:16:15,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:15,962 INFO L681 BuchiCegarLoop]: Abstraction has 301 states and 396 transitions. [2022-02-21 04:16:15,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2022-02-21 04:16:15,969 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:15,970 INFO L82 GeneralOperation]: Start isEquivalent. First operand 301 states and 396 transitions. Second operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 04:16:15,970 INFO L74 IsIncluded]: Start isIncluded. First operand 301 states and 396 transitions. Second operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 04:16:15,971 INFO L87 Difference]: Start difference. First operand 301 states and 396 transitions. Second operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 04:16:15,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,976 INFO L93 Difference]: Finished difference Result 301 states and 396 transitions. [2022-02-21 04:16:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:15,978 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:15,978 INFO L74 IsIncluded]: Start isIncluded. First operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 301 states and 396 transitions. [2022-02-21 04:16:15,979 INFO L87 Difference]: Start difference. First operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 301 states and 396 transitions. [2022-02-21 04:16:15,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:15,985 INFO L93 Difference]: Finished difference Result 301 states and 396 transitions. [2022-02-21 04:16:15,985 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:15,986 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:15,986 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:15,986 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:15,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 301 states have (on average 1.3156146179401993) internal successors, (396), 300 states have internal predecessors, (396), 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 04:16:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 396 transitions. [2022-02-21 04:16:15,992 INFO L704 BuchiCegarLoop]: Abstraction has 301 states and 396 transitions. [2022-02-21 04:16:15,993 INFO L587 BuchiCegarLoop]: Abstraction has 301 states and 396 transitions. [2022-02-21 04:16:15,993 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:16:15,993 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 301 states and 396 transitions. [2022-02-21 04:16:15,994 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 219 [2022-02-21 04:16:15,994 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:15,994 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:15,995 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,995 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, 1, 1, 1, 1, 1] [2022-02-21 04:16:15,995 INFO L791 eck$LassoCheckResult]: Stem: 1340#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 1266#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1229#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1230#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 1315#L550 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 1270#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 1271#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 1333#L921 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1299#L847-2 [2022-02-21 04:16:15,995 INFO L793 eck$LassoCheckResult]: Loop: 1299#L847-2 assume !false; 1272#L848 assume test_~splverifierCounter~0#1 < 4; 1273#L849 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 1381#L857 assume !(0 != test_~tmp~6#1); 1380#L857-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 1371#L867 assume !(0 != test_~tmp___0~1#1); 1370#L867-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 1362#L877 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1289#L885 assume !(0 != test_~tmp___1~0#1); 1276#L885-2 assume { :begin_inline_timeShift } true; 1421#L669 assume !(0 != ~pumpRunning~0); 1356#L669-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 1420#L701 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1416#L140 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1419#L145 isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; 1418#L803 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~0#1 := 0; 1417#L803-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 1342#L809 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 1343#L705 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1414#L693 assume { :end_inline_processEnvironment__wrappee__base } true; 1432#L701-1 assume { :end_inline_processEnvironment } true; 1431#L676-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1430#L100 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 1312#L932 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 1260#L932-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 1303#L686 assume { :end_inline_timeShift } true; 1299#L847-2 [2022-02-21 04:16:15,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:15,996 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:16:15,996 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:15,996 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735752470] [2022-02-21 04:16:15,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:15,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:16,008 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:16,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:16,020 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:16,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:16,021 INFO L85 PathProgramCache]: Analyzing trace with hash -854083691, now seen corresponding path program 1 times [2022-02-21 04:16:16,021 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:16,021 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340017448] [2022-02-21 04:16:16,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:16,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:16,047 INFO L290 TraceCheckUtils]: 0: Hoare triple {2125#true} assume !false; {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 1: Hoare triple {2125#true} assume test_~splverifierCounter~0#1 < 4; {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 2: Hoare triple {2125#true} test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 3: Hoare triple {2125#true} assume !(0 != test_~tmp~6#1); {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 4: Hoare triple {2125#true} test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 5: Hoare triple {2125#true} assume !(0 != test_~tmp___0~1#1); {2125#true} is VALID [2022-02-21 04:16:16,048 INFO L290 TraceCheckUtils]: 6: Hoare triple {2125#true} test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 7: Hoare triple {2125#true} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 8: Hoare triple {2125#true} assume !(0 != test_~tmp___1~0#1); {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 9: Hoare triple {2125#true} assume { :begin_inline_timeShift } true; {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 10: Hoare triple {2125#true} assume !(0 != ~pumpRunning~0); {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 11: Hoare triple {2125#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {2125#true} is VALID [2022-02-21 04:16:16,049 INFO L290 TraceCheckUtils]: 12: Hoare triple {2125#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; {2125#true} is VALID [2022-02-21 04:16:16,050 INFO L290 TraceCheckUtils]: 13: Hoare triple {2125#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; {2127#(= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)} is VALID [2022-02-21 04:16:16,050 INFO L290 TraceCheckUtils]: 14: Hoare triple {2127#(= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 0)} isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; {2128#(= |ULTIMATE.start_isHighWaterLevel_~tmp~5#1| 0)} is VALID [2022-02-21 04:16:16,051 INFO L290 TraceCheckUtils]: 15: Hoare triple {2128#(= |ULTIMATE.start_isHighWaterLevel_~tmp~5#1| 0)} assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~0#1 := 0; {2126#false} is VALID [2022-02-21 04:16:16,051 INFO L290 TraceCheckUtils]: 16: Hoare triple {2126#false} isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; {2126#false} is VALID [2022-02-21 04:16:16,051 INFO L290 TraceCheckUtils]: 17: Hoare triple {2126#false} processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; {2126#false} is VALID [2022-02-21 04:16:16,051 INFO L290 TraceCheckUtils]: 18: Hoare triple {2126#false} assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {2126#false} is VALID [2022-02-21 04:16:16,051 INFO L290 TraceCheckUtils]: 19: Hoare triple {2126#false} assume { :end_inline_processEnvironment__wrappee__base } true; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 20: Hoare triple {2126#false} assume { :end_inline_processEnvironment } true; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 21: Hoare triple {2126#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 22: Hoare triple {2126#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 23: Hoare triple {2126#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 24: Hoare triple {2126#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {2126#false} is VALID [2022-02-21 04:16:16,052 INFO L290 TraceCheckUtils]: 25: Hoare triple {2126#false} assume { :end_inline_timeShift } true; {2126#false} is VALID [2022-02-21 04:16:16,053 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 04:16:16,053 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:16,053 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340017448] [2022-02-21 04:16:16,053 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340017448] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:16,053 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:16,053 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:16,054 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420074553] [2022-02-21 04:16:16,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:16,054 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:16:16,054 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:16,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-21 04:16:16,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-21 04:16:16,055 INFO L87 Difference]: Start difference. First operand 301 states and 396 transitions. cyclomatic complexity: 98 Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 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 04:16:16,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:16,424 INFO L93 Difference]: Finished difference Result 863 states and 1124 transitions. [2022-02-21 04:16:16,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:16,424 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 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 04:16:16,442 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 04:16:16,443 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 863 states and 1124 transitions. [2022-02-21 04:16:16,482 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 641 [2022-02-21 04:16:16,520 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 863 states to 863 states and 1124 transitions. [2022-02-21 04:16:16,520 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 863 [2022-02-21 04:16:16,521 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 863 [2022-02-21 04:16:16,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 863 states and 1124 transitions. [2022-02-21 04:16:16,522 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:16,522 INFO L681 BuchiCegarLoop]: Abstraction has 863 states and 1124 transitions. [2022-02-21 04:16:16,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states and 1124 transitions. [2022-02-21 04:16:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 313. [2022-02-21 04:16:16,533 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:16,534 INFO L82 GeneralOperation]: Start isEquivalent. First operand 863 states and 1124 transitions. Second operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 04:16:16,535 INFO L74 IsIncluded]: Start isIncluded. First operand 863 states and 1124 transitions. Second operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 04:16:16,535 INFO L87 Difference]: Start difference. First operand 863 states and 1124 transitions. Second operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 04:16:16,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:16,575 INFO L93 Difference]: Finished difference Result 863 states and 1124 transitions. [2022-02-21 04:16:16,575 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1124 transitions. [2022-02-21 04:16:16,577 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:16,577 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:16,578 INFO L74 IsIncluded]: Start isIncluded. First operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 863 states and 1124 transitions. [2022-02-21 04:16:16,579 INFO L87 Difference]: Start difference. First operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 863 states and 1124 transitions. [2022-02-21 04:16:16,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:16,619 INFO L93 Difference]: Finished difference Result 863 states and 1124 transitions. [2022-02-21 04:16:16,620 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1124 transitions. [2022-02-21 04:16:16,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:16,621 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:16,621 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:16,621 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:16,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 313 states have (on average 1.3035143769968052) internal successors, (408), 312 states have internal predecessors, (408), 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 04:16:16,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 408 transitions. [2022-02-21 04:16:16,630 INFO L704 BuchiCegarLoop]: Abstraction has 313 states and 408 transitions. [2022-02-21 04:16:16,631 INFO L587 BuchiCegarLoop]: Abstraction has 313 states and 408 transitions. [2022-02-21 04:16:16,631 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2022-02-21 04:16:16,631 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 313 states and 408 transitions. [2022-02-21 04:16:16,633 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 227 [2022-02-21 04:16:16,633 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:16,633 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:16,635 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:16,635 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, 1, 1, 1, 1, 1] [2022-02-21 04:16:16,635 INFO L791 eck$LassoCheckResult]: Stem: 3129#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 3045#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 3007#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 3008#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 3103#L550 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 3051#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 3052#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 3119#L921 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 3086#L847-2 [2022-02-21 04:16:16,635 INFO L793 eck$LassoCheckResult]: Loop: 3086#L847-2 assume !false; 3053#L848 assume test_~splverifierCounter~0#1 < 4; 3054#L849 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 3133#L857 assume !(0 != test_~tmp~6#1); 3100#L857-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 3101#L867 assume !(0 != test_~tmp___0~1#1); 3164#L867-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 3141#L877 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 3056#L833 assume { :end_inline_startSystem } true; 3057#L885-2 assume { :begin_inline_timeShift } true; 3059#L669 assume !(0 != ~pumpRunning~0); 3147#L669-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 3203#L701 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 3076#L140 assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 3077#L145 isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; 3029#L803 assume !(0 != isHighWaterLevel_~tmp~5#1);isHighWaterLevel_~tmp___0~0#1 := 1; 3030#L803-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 3132#L809 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 3120#L705 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 3121#L693 assume { :end_inline_processEnvironment__wrappee__base } true; 3031#L701-1 assume { :end_inline_processEnvironment } true; 2995#L676-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 2996#L100 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 3079#L932 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 3039#L932-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 3090#L686 assume { :end_inline_timeShift } true; 3086#L847-2 [2022-02-21 04:16:16,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:16,636 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times [2022-02-21 04:16:16,636 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:16,637 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [60756174] [2022-02-21 04:16:16,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:16,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:16,661 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:16,671 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:16,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:16,671 INFO L85 PathProgramCache]: Analyzing trace with hash -302665755, now seen corresponding path program 1 times [2022-02-21 04:16:16,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:16,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555097103] [2022-02-21 04:16:16,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:16,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:16,723 INFO L290 TraceCheckUtils]: 0: Hoare triple {5039#true} assume !false; {5039#true} is VALID [2022-02-21 04:16:16,723 INFO L290 TraceCheckUtils]: 1: Hoare triple {5039#true} assume test_~splverifierCounter~0#1 < 4; {5039#true} is VALID [2022-02-21 04:16:16,723 INFO L290 TraceCheckUtils]: 2: Hoare triple {5039#true} test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {5039#true} is VALID [2022-02-21 04:16:16,724 INFO L290 TraceCheckUtils]: 3: Hoare triple {5039#true} assume !(0 != test_~tmp~6#1); {5039#true} is VALID [2022-02-21 04:16:16,724 INFO L290 TraceCheckUtils]: 4: Hoare triple {5039#true} test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {5039#true} is VALID [2022-02-21 04:16:16,724 INFO L290 TraceCheckUtils]: 5: Hoare triple {5039#true} assume !(0 != test_~tmp___0~1#1); {5039#true} is VALID [2022-02-21 04:16:16,724 INFO L290 TraceCheckUtils]: 6: Hoare triple {5039#true} test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {5039#true} is VALID [2022-02-21 04:16:16,724 INFO L290 TraceCheckUtils]: 7: Hoare triple {5039#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {5039#true} is VALID [2022-02-21 04:16:16,725 INFO L290 TraceCheckUtils]: 8: Hoare triple {5039#true} assume { :end_inline_startSystem } true; {5039#true} is VALID [2022-02-21 04:16:16,725 INFO L290 TraceCheckUtils]: 9: Hoare triple {5039#true} assume { :begin_inline_timeShift } true; {5039#true} is VALID [2022-02-21 04:16:16,725 INFO L290 TraceCheckUtils]: 10: Hoare triple {5039#true} assume !(0 != ~pumpRunning~0); {5039#true} is VALID [2022-02-21 04:16:16,725 INFO L290 TraceCheckUtils]: 11: Hoare triple {5039#true} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; {5039#true} is VALID [2022-02-21 04:16:16,725 INFO L290 TraceCheckUtils]: 12: Hoare triple {5039#true} assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; {5039#true} is VALID [2022-02-21 04:16:16,726 INFO L290 TraceCheckUtils]: 13: Hoare triple {5039#true} assume !(~waterLevel~0 < 2);isHighWaterSensorDry_~retValue_acc~2#1 := 0;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; {5039#true} is VALID [2022-02-21 04:16:16,726 INFO L290 TraceCheckUtils]: 14: Hoare triple {5039#true} isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; {5039#true} is VALID [2022-02-21 04:16:16,727 INFO L290 TraceCheckUtils]: 15: Hoare triple {5039#true} assume !(0 != isHighWaterLevel_~tmp~5#1);isHighWaterLevel_~tmp___0~0#1 := 1; {5041#(not (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~0#1| 0))} is VALID [2022-02-21 04:16:16,727 INFO L290 TraceCheckUtils]: 16: Hoare triple {5041#(not (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~0#1| 0))} isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; {5042#(not (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0))} is VALID [2022-02-21 04:16:16,728 INFO L290 TraceCheckUtils]: 17: Hoare triple {5042#(not (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0))} processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; {5043#(not (= |ULTIMATE.start_processEnvironment_~tmp~4#1| 0))} is VALID [2022-02-21 04:16:16,728 INFO L290 TraceCheckUtils]: 18: Hoare triple {5043#(not (= |ULTIMATE.start_processEnvironment_~tmp~4#1| 0))} assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; {5040#false} is VALID [2022-02-21 04:16:16,728 INFO L290 TraceCheckUtils]: 19: Hoare triple {5040#false} assume { :end_inline_processEnvironment__wrappee__base } true; {5040#false} is VALID [2022-02-21 04:16:16,729 INFO L290 TraceCheckUtils]: 20: Hoare triple {5040#false} assume { :end_inline_processEnvironment } true; {5040#false} is VALID [2022-02-21 04:16:16,729 INFO L290 TraceCheckUtils]: 21: Hoare triple {5040#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; {5040#false} is VALID [2022-02-21 04:16:16,729 INFO L290 TraceCheckUtils]: 22: Hoare triple {5040#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {5040#false} is VALID [2022-02-21 04:16:16,729 INFO L290 TraceCheckUtils]: 23: Hoare triple {5040#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; {5040#false} is VALID [2022-02-21 04:16:16,729 INFO L290 TraceCheckUtils]: 24: Hoare triple {5040#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {5040#false} is VALID [2022-02-21 04:16:16,730 INFO L290 TraceCheckUtils]: 25: Hoare triple {5040#false} assume { :end_inline_timeShift } true; {5040#false} is VALID [2022-02-21 04:16:16,730 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 04:16:16,730 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:16,730 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555097103] [2022-02-21 04:16:16,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555097103] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:16,731 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:16,731 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:16,731 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [623438357] [2022-02-21 04:16:16,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:16,732 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:16:16,732 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:16,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:16:16,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:16:16,733 INFO L87 Difference]: Start difference. First operand 313 states and 408 transitions. cyclomatic complexity: 98 Second operand has 5 states, 5 states have (on average 5.2) 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 04:16:17,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:17,179 INFO L93 Difference]: Finished difference Result 886 states and 1161 transitions. [2022-02-21 04:16:17,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:16:17,179 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.2) 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 04:16:17,194 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 04:16:17,195 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 886 states and 1161 transitions. [2022-02-21 04:16:17,223 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 666 [2022-02-21 04:16:17,247 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 886 states to 886 states and 1161 transitions. [2022-02-21 04:16:17,247 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 886 [2022-02-21 04:16:17,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 886 [2022-02-21 04:16:17,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 886 states and 1161 transitions. [2022-02-21 04:16:17,248 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:17,249 INFO L681 BuchiCegarLoop]: Abstraction has 886 states and 1161 transitions. [2022-02-21 04:16:17,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 886 states and 1161 transitions. [2022-02-21 04:16:17,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 886 to 331. [2022-02-21 04:16:17,255 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:17,256 INFO L82 GeneralOperation]: Start isEquivalent. First operand 886 states and 1161 transitions. Second operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 04:16:17,256 INFO L74 IsIncluded]: Start isIncluded. First operand 886 states and 1161 transitions. Second operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 04:16:17,257 INFO L87 Difference]: Start difference. First operand 886 states and 1161 transitions. Second operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 04:16:17,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:17,285 INFO L93 Difference]: Finished difference Result 886 states and 1161 transitions. [2022-02-21 04:16:17,285 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1161 transitions. [2022-02-21 04:16:17,287 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:17,287 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:17,288 INFO L74 IsIncluded]: Start isIncluded. First operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 886 states and 1161 transitions. [2022-02-21 04:16:17,289 INFO L87 Difference]: Start difference. First operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 886 states and 1161 transitions. [2022-02-21 04:16:17,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:17,321 INFO L93 Difference]: Finished difference Result 886 states and 1161 transitions. [2022-02-21 04:16:17,321 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1161 transitions. [2022-02-21 04:16:17,322 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:17,322 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:17,323 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:17,323 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:17,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 331 states, 331 states have (on average 1.2870090634441087) internal successors, (426), 330 states have internal predecessors, (426), 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 04:16:17,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 426 transitions. [2022-02-21 04:16:17,330 INFO L704 BuchiCegarLoop]: Abstraction has 331 states and 426 transitions. [2022-02-21 04:16:17,330 INFO L587 BuchiCegarLoop]: Abstraction has 331 states and 426 transitions. [2022-02-21 04:16:17,330 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2022-02-21 04:16:17,330 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 331 states and 426 transitions. [2022-02-21 04:16:17,332 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 239 [2022-02-21 04:16:17,332 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:17,332 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:17,333 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:17,333 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, 1, 1, 1, 1, 1] [2022-02-21 04:16:17,333 INFO L791 eck$LassoCheckResult]: Stem: 6061#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 5985#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~8#1, main_~tmp~3#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 5948#L542 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 5949#L535 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1; 6036#L550 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 5991#L642 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 5992#L616 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 6052#L921 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 6057#L847-2 [2022-02-21 04:16:17,333 INFO L793 eck$LassoCheckResult]: Loop: 6057#L847-2 assume !false; 6157#L848 assume test_~splverifierCounter~0#1 < 4; 6156#L849 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 6154#L857 assume !(0 != test_~tmp~6#1); 6152#L857-2 test_~tmp___0~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 6150#L867 assume !(0 != test_~tmp___0~1#1); 6148#L867-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 6147#L877 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 6146#L885 assume !(0 != test_~tmp___1~0#1); 5996#L885-2 assume { :begin_inline_timeShift } true; 6144#L669 assume !(0 != ~pumpRunning~0); 6000#L669-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 6001#L701 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret44#1, isHighWaterLevel_~retValue_acc~11#1, isHighWaterLevel_~tmp~5#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~11#1;havoc isHighWaterLevel_~tmp~5#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 6012#L140 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 6014#L145 isHighWaterLevel_#t~ret44#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5#1 := isHighWaterLevel_#t~ret44#1;havoc isHighWaterLevel_#t~ret44#1; 6103#L803 assume 0 != isHighWaterLevel_~tmp~5#1;isHighWaterLevel_~tmp___0~0#1 := 0; 6104#L803-2 isHighWaterLevel_~retValue_acc~11#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~11#1; 6087#L809 processEnvironment_#t~ret34#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~4#1 := processEnvironment_#t~ret34#1;havoc processEnvironment_#t~ret34#1; 6088#L705 assume !(0 != processEnvironment_~tmp~4#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 6064#L693 assume { :end_inline_processEnvironment__wrappee__base } true; 6065#L701-1 assume { :end_inline_processEnvironment } true; 6166#L676-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 6165#L100 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 6163#L932 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 6160#L932-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 6159#L686 assume { :end_inline_timeShift } true; 6057#L847-2 [2022-02-21 04:16:17,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:17,334 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 5 times [2022-02-21 04:16:17,334 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:17,334 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000693749] [2022-02-21 04:16:17,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:17,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:17,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,354 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:17,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,380 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:17,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:17,381 INFO L85 PathProgramCache]: Analyzing trace with hash -267277677, now seen corresponding path program 1 times [2022-02-21 04:16:17,381 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:17,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213668701] [2022-02-21 04:16:17,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:17,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:17,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,397 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:17,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,404 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:17,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:17,407 INFO L85 PathProgramCache]: Analyzing trace with hash 430967868, now seen corresponding path program 1 times [2022-02-21 04:16:17,407 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:17,407 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1826070120] [2022-02-21 04:16:17,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:17,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,436 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:17,448 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:20,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:20 BoogieIcfgContainer [2022-02-21 04:16:20,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:20,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:20,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:20,729 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:20,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:14" (3/4) ... [2022-02-21 04:16:20,732 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:20,770 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:20,771 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:20,772 INFO L158 Benchmark]: Toolchain (without parser) took 6850.82ms. Allocated memory was 92.3MB in the beginning and 169.9MB in the end (delta: 77.6MB). Free memory was 57.7MB in the beginning and 85.8MB in the end (delta: -28.1MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,772 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 75.5MB. Free memory was 54.4MB in the beginning and 54.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:20,773 INFO L158 Benchmark]: CACSL2BoogieTranslator took 405.29ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 57.8MB in the end (delta: -367.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,773 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.95ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 54.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,773 INFO L158 Benchmark]: Boogie Preprocessor took 43.54ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,774 INFO L158 Benchmark]: RCFGBuilder took 549.13ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 63.9MB in the end (delta: -11.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,775 INFO L158 Benchmark]: BuchiAutomizer took 5738.89ms. Allocated memory was 92.3MB in the beginning and 169.9MB in the end (delta: 77.6MB). Free memory was 63.9MB in the beginning and 89.0MB in the end (delta: -25.0MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,775 INFO L158 Benchmark]: Witness Printer took 41.62ms. Allocated memory is still 169.9MB. Free memory was 87.9MB in the beginning and 85.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:20,778 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 75.5MB. Free memory was 54.4MB in the beginning and 54.3MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 405.29ms. Allocated memory is still 92.3MB. Free memory was 57.5MB in the beginning and 57.8MB in the end (delta: -367.9kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.95ms. Allocated memory is still 92.3MB. Free memory was 57.8MB in the beginning and 54.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.54ms. Allocated memory is still 92.3MB. Free memory was 54.6MB in the beginning and 52.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 549.13ms. Allocated memory is still 92.3MB. Free memory was 52.5MB in the beginning and 63.9MB in the end (delta: -11.5MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 5738.89ms. Allocated memory was 92.3MB in the beginning and 169.9MB in the end (delta: 77.6MB). Free memory was 63.9MB in the beginning and 89.0MB in the end (delta: -25.0MB). Peak memory consumption was 96.2MB. Max. memory is 16.1GB. * Witness Printer took 41.62ms. Allocated memory is still 169.9MB. Free memory was 87.9MB in the beginning and 85.8MB 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 4 terminating modules (4 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.4 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 331 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 1.1s. Highest rank in rank-based complementation 0. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 1108 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.1s Buchi closure took 0.0s. Biggest automaton had 331 states and ocurred in iteration 4. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1030 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1030 mSDsluCounter, 1931 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1124 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 807 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI4 SFLT0 conc0 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: 847]: 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, tmp___0=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38f2a3b2=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, retValue_acc=0, retValue_acc=0, \result=1, retValue_acc=0, \result=1, tmp=1, tmp___2=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@10f07e57=0, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@32e3ea78=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a301208=0, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@235dd46e=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@583ddde5=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c2bfee9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a46f2fa=0, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ed3dfdf=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 847]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L320] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L555] int cleanupTimeShifts = 4; [L661] int pumpRunning = 0; [L662] int systemActive = 1; [L915] int methAndRunningLastTime ; [L633] int retValue_acc ; [L634] int tmp ; [L638] FCALL select_helpers() [L639] FCALL select_features() [L640] CALL, EXPR valid_product() [L546] int retValue_acc ; [L549] retValue_acc = 1 [L550] return (retValue_acc); [L640] RET, EXPR valid_product() [L640] tmp = valid_product() [L642] COND TRUE \read(tmp) [L644] FCALL setup() [L645] CALL runTest() [L626] CALL __utac_acc__Specification2_spec__1() [L920] methAndRunningLastTime = 0 [L626] RET __utac_acc__Specification2_spec__1() [L627] CALL test() [L838] int splverifierCounter ; [L839] int tmp ; [L840] int tmp___0 ; [L841] int tmp___1 ; [L842] int tmp___2 ; [L845] splverifierCounter = 0 Loop: [L847] COND TRUE 1 [L849] COND TRUE splverifierCounter < 4 [L855] tmp = __VERIFIER_nondet_int() [L857] COND FALSE !(\read(tmp)) [L865] tmp___0 = __VERIFIER_nondet_int() [L867] COND FALSE !(\read(tmp___0)) [L875] tmp___2 = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp___2)) [L883] tmp___1 = __VERIFIER_nondet_int() [L885] COND FALSE !(\read(tmp___1)) [L894] CALL timeShift() [L669] COND FALSE !(\read(pumpRunning)) [L676] COND TRUE \read(systemActive) [L678] CALL processEnvironment() [L698] int tmp ; [L701] COND TRUE ! pumpRunning [L703] CALL, EXPR isHighWaterLevel() [L795] int retValue_acc ; [L796] int tmp ; [L797] int tmp___0 ; [L801] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L801] RET, EXPR isHighWaterSensorDry() [L801] tmp = isHighWaterSensorDry() [L803] COND TRUE \read(tmp) [L804] tmp___0 = 0 [L808] retValue_acc = tmp___0 [L809] return (retValue_acc); [L703] RET, EXPR isHighWaterLevel() [L703] tmp = isHighWaterLevel() [L705] COND FALSE !(\read(tmp)) [L711] FCALL processEnvironment__wrappee__base() [L678] RET processEnvironment() [L684] CALL __utac_acc__Specification2_spec__2() [L925] int tmp ; [L926] int tmp___0 ; [L930] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L930] RET, EXPR isMethaneLevelCritical() [L930] tmp = isMethaneLevelCritical() [L932] COND FALSE !(\read(tmp)) [L948] methAndRunningLastTime = 0 [L684] RET __utac_acc__Specification2_spec__2() [L894] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:20,840 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)