./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec5_product30.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 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:18:35,981 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:18:35,983 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:18:36,023 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:18:36,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:18:36,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:18:36,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:18:36,030 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:18:36,032 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:18:36,036 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:18:36,037 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:18:36,038 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:18:36,038 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:18:36,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:18:36,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:18:36,044 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:18:36,044 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:18:36,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:18:36,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:18:36,050 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:18:36,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:18:36,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:18:36,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:18:36,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:18:36,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:18:36,057 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:18:36,057 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:18:36,058 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:18:36,059 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:18:36,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:18:36,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:18:36,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:18:36,062 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:18:36,063 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:18:36,064 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:18:36,064 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:18:36,064 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:18:36,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:18:36,065 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:18:36,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:18:36,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:18:36,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:18:36,096 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:18:36,096 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:18:36,096 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:18:36,096 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:18:36,098 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:18:36,098 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:18:36,098 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:18:36,099 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:18:36,099 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:18:36,099 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:18:36,099 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:18:36,100 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:18:36,100 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:18:36,101 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:18:36,102 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:18:36,102 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:18:36,102 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:18:36,102 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:18:36,102 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:18:36,102 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:18:36,103 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:18:36,103 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9808c311cb77db500c7a82ff25628e80c7518c8fd36dd31cb0dd04b17c42877b [2022-02-21 04:18:36,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:18:36,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:18:36,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:18:36,303 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:18:36,305 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:18:36,306 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2022-02-21 04:18:36,362 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed621e8a6/9b9b4977ffe2417d82147c3d75a4f5bd/FLAGb6e4b1985 [2022-02-21 04:18:36,754 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:18:36,754 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c [2022-02-21 04:18:36,761 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed621e8a6/9b9b4977ffe2417d82147c3d75a4f5bd/FLAGb6e4b1985 [2022-02-21 04:18:36,769 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed621e8a6/9b9b4977ffe2417d82147c3d75a4f5bd [2022-02-21 04:18:36,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:18:36,772 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:18:36,775 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:36,775 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:18:36,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:18:36,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:36" (1/1) ... [2022-02-21 04:18:36,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9b5f31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:36, skipping insertion in model container [2022-02-21 04:18:36,779 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:18:36" (1/1) ... [2022-02-21 04:18:36,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:18:36,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:18:37,071 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c[16407,16420] [2022-02-21 04:18:37,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:37,094 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:18:37,138 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product30.cil.c[16407,16420] [2022-02-21 04:18:37,145 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:18:37,158 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:18:37,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37 WrapperNode [2022-02-21 04:18:37,160 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:18:37,161 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:37,161 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:18:37,161 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:18:37,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,185 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,231 INFO L137 Inliner]: procedures = 57, calls = 159, calls flagged for inlining = 56, calls inlined = 85, statements flattened = 600 [2022-02-21 04:18:37,235 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:18:37,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:18:37,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:18:37,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:18:37,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,243 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,246 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,257 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,262 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,264 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:18:37,273 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:18:37,274 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:18:37,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:18:37,279 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (1/1) ... [2022-02-21 04:18:37,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:18:37,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:18:37,305 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:18:37,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:18:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:18:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:18:37,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:18:37,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:18:37,390 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:18:37,391 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:18:37,743 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:18:37,748 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:18:37,748 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:18:37,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:37 BoogieIcfgContainer [2022-02-21 04:18:37,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:18:37,750 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:18:37,751 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:18:37,753 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:18:37,753 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:37,753 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:18:36" (1/3) ... [2022-02-21 04:18:37,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47583e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:37, skipping insertion in model container [2022-02-21 04:18:37,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:37,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:18:37" (2/3) ... [2022-02-21 04:18:37,754 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@47583e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:18:37, skipping insertion in model container [2022-02-21 04:18:37,754 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:18:37,754 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:37" (3/3) ... [2022-02-21 04:18:37,755 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product30.cil.c [2022-02-21 04:18:37,802 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:18:37,803 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:18:37,803 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:18:37,803 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:18:37,803 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:18:37,803 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:18:37,803 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:18:37,803 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:18:37,817 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:37,864 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-02-21 04:18:37,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:37,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:37,869 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:37,869 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:37,869 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:18:37,870 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:37,885 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 103 [2022-02-21 04:18:37,886 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:37,886 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:37,886 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:37,886 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:37,890 INFO L791 eck$LassoCheckResult]: Stem: 143#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 150#L414true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 21#L407true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 28#L422true main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 76#L885true assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 43#L861true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 64#L346true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L281-2true [2022-02-21 04:18:37,895 INFO L793 eck$LassoCheckResult]: Loop: 101#L281-2true assume !false; 7#L282true assume test_~splverifierCounter~0#1 < 4; 121#L283true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 104#L291true assume !(0 != test_~tmp~4#1); 102#L291-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 116#L301true assume !(0 != test_~tmp___0~1#1); 38#L301-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 71#L311true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; 162#L319true assume 0 != test_~tmp___1~0#1; 24#L319-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 130#L200true __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 115#L356true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 91#L72true assume !(0 != ~pumpRunning~0); 14#L72-2true assume !(0 != ~systemActive~0); 142#L79-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 62#L974true __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 23#L367true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 127#L367-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 95#L89true assume { :end_inline_timeShift } true; 101#L281-2true [2022-02-21 04:18:37,901 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:37,902 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:18:37,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:37,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810019882] [2022-02-21 04:18:37,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:37,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,044 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,096 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:38,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:38,099 INFO L85 PathProgramCache]: Analyzing trace with hash 831706316, now seen corresponding path program 1 times [2022-02-21 04:18:38,100 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:38,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [236744499] [2022-02-21 04:18:38,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:38,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,112 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:38,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,125 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:38,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:38,126 INFO L85 PathProgramCache]: Analyzing trace with hash -2033512637, now seen corresponding path program 1 times [2022-02-21 04:18:38,127 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:38,127 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569162910] [2022-02-21 04:18:38,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:38,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:38,243 INFO L290 TraceCheckUtils]: 0: Hoare triple {169#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {171#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:38,244 INFO L290 TraceCheckUtils]: 1: Hoare triple {171#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; {171#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:38,244 INFO L290 TraceCheckUtils]: 2: Hoare triple {171#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {171#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:18:38,244 INFO L290 TraceCheckUtils]: 3: Hoare triple {171#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {172#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:18:38,245 INFO L290 TraceCheckUtils]: 4: Hoare triple {172#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {173#(= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)} is VALID [2022-02-21 04:18:38,245 INFO L290 TraceCheckUtils]: 5: Hoare triple {173#(= |ULTIMATE.start_main_~tmp~9#1| ~systemActive~0)} assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,246 INFO L290 TraceCheckUtils]: 6: Hoare triple {174#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,246 INFO L290 TraceCheckUtils]: 7: Hoare triple {174#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,247 INFO L290 TraceCheckUtils]: 8: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !false; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,247 INFO L290 TraceCheckUtils]: 9: Hoare triple {174#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,248 INFO L290 TraceCheckUtils]: 10: Hoare triple {174#(not (= 0 ~systemActive~0))} test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,248 INFO L290 TraceCheckUtils]: 11: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4#1); {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,249 INFO L290 TraceCheckUtils]: 12: Hoare triple {174#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,249 INFO L290 TraceCheckUtils]: 13: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,250 INFO L290 TraceCheckUtils]: 14: Hoare triple {174#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,250 INFO L290 TraceCheckUtils]: 15: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,250 INFO L290 TraceCheckUtils]: 16: Hoare triple {174#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___1~0#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,252 INFO L290 TraceCheckUtils]: 17: Hoare triple {174#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,254 INFO L290 TraceCheckUtils]: 18: Hoare triple {174#(not (= 0 ~systemActive~0))} __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,255 INFO L290 TraceCheckUtils]: 19: Hoare triple {174#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,256 INFO L290 TraceCheckUtils]: 20: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {174#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:18:38,256 INFO L290 TraceCheckUtils]: 21: Hoare triple {174#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {170#false} is VALID [2022-02-21 04:18:38,256 INFO L290 TraceCheckUtils]: 22: Hoare triple {170#false} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; {170#false} is VALID [2022-02-21 04:18:38,257 INFO L290 TraceCheckUtils]: 23: Hoare triple {170#false} __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; {170#false} is VALID [2022-02-21 04:18:38,258 INFO L290 TraceCheckUtils]: 24: Hoare triple {170#false} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); {170#false} is VALID [2022-02-21 04:18:38,258 INFO L290 TraceCheckUtils]: 25: Hoare triple {170#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {170#false} is VALID [2022-02-21 04:18:38,258 INFO L290 TraceCheckUtils]: 26: Hoare triple {170#false} assume { :end_inline_timeShift } true; {170#false} is VALID [2022-02-21 04:18:38,259 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:38,259 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:38,260 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569162910] [2022-02-21 04:18:38,260 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569162910] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:38,260 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:38,261 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:18:38,261 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [364527682] [2022-02-21 04:18:38,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:38,398 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:38,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:18:38,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:18:38,423 INFO L87 Difference]: Start difference. First operand has 161 states, 160 states have (on average 1.34375) internal successors, (215), 160 states have internal predecessors, (215), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:38,712 INFO L93 Difference]: Finished difference Result 158 states and 201 transitions. [2022-02-21 04:18:38,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:18:38,713 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,736 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:38,746 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 158 states and 201 transitions. [2022-02-21 04:18:38,761 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-02-21 04:18:38,769 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 158 states to 148 states and 191 transitions. [2022-02-21 04:18:38,770 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 148 [2022-02-21 04:18:38,770 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 148 [2022-02-21 04:18:38,771 INFO L73 IsDeterministic]: Start isDeterministic. Operand 148 states and 191 transitions. [2022-02-21 04:18:38,771 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:38,771 INFO L681 BuchiCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-02-21 04:18:38,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states and 191 transitions. [2022-02-21 04:18:38,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2022-02-21 04:18:38,792 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:38,793 INFO L82 GeneralOperation]: Start isEquivalent. First operand 148 states and 191 transitions. Second operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,794 INFO L74 IsIncluded]: Start isIncluded. First operand 148 states and 191 transitions. Second operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,795 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. Second operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:38,800 INFO L93 Difference]: Finished difference Result 148 states and 191 transitions. [2022-02-21 04:18:38,800 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2022-02-21 04:18:38,801 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:38,801 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:38,802 INFO L74 IsIncluded]: Start isIncluded. First operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 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 148 states and 191 transitions. [2022-02-21 04:18:38,802 INFO L87 Difference]: Start difference. First operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 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 148 states and 191 transitions. [2022-02-21 04:18:38,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:38,806 INFO L93 Difference]: Finished difference Result 148 states and 191 transitions. [2022-02-21 04:18:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 191 transitions. [2022-02-21 04:18:38,808 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:38,809 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:38,809 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:38,809 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 148 states have (on average 1.2905405405405406) internal successors, (191), 147 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:38,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 191 transitions. [2022-02-21 04:18:38,814 INFO L704 BuchiCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-02-21 04:18:38,814 INFO L587 BuchiCegarLoop]: Abstraction has 148 states and 191 transitions. [2022-02-21 04:18:38,814 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:18:38,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 148 states and 191 transitions. [2022-02-21 04:18:38,816 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 99 [2022-02-21 04:18:38,816 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:38,816 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:38,818 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:38,818 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] [2022-02-21 04:18:38,818 INFO L791 eck$LassoCheckResult]: Stem: 481#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 419#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 420#L414 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 371#L407 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 372#L422 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 380#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 403#L861 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 404#L346 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 427#L281-2 [2022-02-21 04:18:38,820 INFO L793 eck$LassoCheckResult]: Loop: 427#L281-2 assume !false; 342#L282 assume test_~splverifierCounter~0#1 < 4; 343#L283 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 467#L291 assume !(0 != test_~tmp~4#1); 369#L291-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 465#L301 assume !(0 != test_~tmp___0~1#1); 396#L301-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 397#L311 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 435#L264 assume { :end_inline_startSystem } true; 377#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 378#L200 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 474#L356 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 458#L72 assume !(0 != ~pumpRunning~0); 356#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 357#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 446#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 422#L96-3 assume { :end_inline_processEnvironment__wrappee__base } true; 395#L104-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 454#L130-1 assume { :end_inline_processEnvironment } true; 480#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 424#L974 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 373#L367 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); 374#L367-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 461#L89 assume { :end_inline_timeShift } true; 427#L281-2 [2022-02-21 04:18:38,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:38,820 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:18:38,821 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:38,821 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880993023] [2022-02-21 04:18:38,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:38,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,850 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:38,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,874 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:38,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:38,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1776286485, now seen corresponding path program 1 times [2022-02-21 04:18:38,875 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:38,875 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561480251] [2022-02-21 04:18:38,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:38,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,880 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:38,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:38,884 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:38,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -2012431148, now seen corresponding path program 1 times [2022-02-21 04:18:38,885 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:38,885 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222590446] [2022-02-21 04:18:38,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:38,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:18:38,929 INFO L290 TraceCheckUtils]: 0: Hoare triple {788#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,930 INFO L290 TraceCheckUtils]: 1: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,930 INFO L290 TraceCheckUtils]: 2: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,931 INFO L290 TraceCheckUtils]: 3: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,932 INFO L290 TraceCheckUtils]: 4: Hoare triple {790#(= ~waterLevel~0 1)} main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,932 INFO L290 TraceCheckUtils]: 5: Hoare triple {790#(= ~waterLevel~0 1)} assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,933 INFO L290 TraceCheckUtils]: 6: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,934 INFO L290 TraceCheckUtils]: 7: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,934 INFO L290 TraceCheckUtils]: 8: Hoare triple {790#(= ~waterLevel~0 1)} assume !false; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,935 INFO L290 TraceCheckUtils]: 9: Hoare triple {790#(= ~waterLevel~0 1)} assume test_~splverifierCounter~0#1 < 4; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,935 INFO L290 TraceCheckUtils]: 10: Hoare triple {790#(= ~waterLevel~0 1)} test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,936 INFO L290 TraceCheckUtils]: 11: Hoare triple {790#(= ~waterLevel~0 1)} assume !(0 != test_~tmp~4#1); {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,936 INFO L290 TraceCheckUtils]: 12: Hoare triple {790#(= ~waterLevel~0 1)} test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,936 INFO L290 TraceCheckUtils]: 13: Hoare triple {790#(= ~waterLevel~0 1)} assume !(0 != test_~tmp___0~1#1); {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,937 INFO L290 TraceCheckUtils]: 14: Hoare triple {790#(= ~waterLevel~0 1)} test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,937 INFO L290 TraceCheckUtils]: 15: Hoare triple {790#(= ~waterLevel~0 1)} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,937 INFO L290 TraceCheckUtils]: 16: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_startSystem } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,938 INFO L290 TraceCheckUtils]: 17: Hoare triple {790#(= ~waterLevel~0 1)} assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,938 INFO L290 TraceCheckUtils]: 18: Hoare triple {790#(= ~waterLevel~0 1)} __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,938 INFO L290 TraceCheckUtils]: 19: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline___utac_acc__Specification5_spec__2 } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,939 INFO L290 TraceCheckUtils]: 20: Hoare triple {790#(= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0); {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,939 INFO L290 TraceCheckUtils]: 21: Hoare triple {790#(= ~waterLevel~0 1)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,940 INFO L290 TraceCheckUtils]: 22: Hoare triple {790#(= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,941 INFO L290 TraceCheckUtils]: 23: Hoare triple {790#(= ~waterLevel~0 1)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,947 INFO L290 TraceCheckUtils]: 24: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__base } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,948 INFO L290 TraceCheckUtils]: 25: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,948 INFO L290 TraceCheckUtils]: 26: Hoare triple {790#(= ~waterLevel~0 1)} assume { :end_inline_processEnvironment } true; {790#(= ~waterLevel~0 1)} is VALID [2022-02-21 04:18:38,949 INFO L290 TraceCheckUtils]: 27: Hoare triple {790#(= ~waterLevel~0 1)} assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; {791#(= |ULTIMATE.start_getWaterLevel_#res#1| 1)} is VALID [2022-02-21 04:18:38,949 INFO L290 TraceCheckUtils]: 28: Hoare triple {791#(= |ULTIMATE.start_getWaterLevel_#res#1| 1)} __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; {792#(= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5#1| 1)} is VALID [2022-02-21 04:18:38,951 INFO L290 TraceCheckUtils]: 29: Hoare triple {792#(= |ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~5#1| 1)} assume !(2 != __utac_acc__Specification5_spec__3_~tmp~5#1); {789#false} is VALID [2022-02-21 04:18:38,952 INFO L290 TraceCheckUtils]: 30: Hoare triple {789#false} assume { :end_inline___utac_acc__Specification5_spec__3 } true; {789#false} is VALID [2022-02-21 04:18:38,952 INFO L290 TraceCheckUtils]: 31: Hoare triple {789#false} assume { :end_inline_timeShift } true; {789#false} is VALID [2022-02-21 04:18:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:18:38,953 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:18:38,953 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222590446] [2022-02-21 04:18:38,953 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222590446] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:18:38,953 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:18:38,953 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:18:38,954 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700014176] [2022-02-21 04:18:38,954 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:18:39,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:18:39,096 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:18:39,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:18:39,096 INFO L87 Difference]: Start difference. First operand 148 states and 191 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:39,747 INFO L93 Difference]: Finished difference Result 464 states and 597 transitions. [2022-02-21 04:18:39,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:18:39,748 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 6.4) internal successors, (32), 4 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,769 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 32 edges. 32 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:18:39,769 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 464 states and 597 transitions. [2022-02-21 04:18:39,781 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 192 [2022-02-21 04:18:39,791 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 464 states to 464 states and 597 transitions. [2022-02-21 04:18:39,792 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 464 [2022-02-21 04:18:39,792 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 464 [2022-02-21 04:18:39,793 INFO L73 IsDeterministic]: Start isDeterministic. Operand 464 states and 597 transitions. [2022-02-21 04:18:39,796 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:18:39,796 INFO L681 BuchiCegarLoop]: Abstraction has 464 states and 597 transitions. [2022-02-21 04:18:39,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states and 597 transitions. [2022-02-21 04:18:39,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 284. [2022-02-21 04:18:39,808 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:18:39,808 INFO L82 GeneralOperation]: Start isEquivalent. First operand 464 states and 597 transitions. Second operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,809 INFO L74 IsIncluded]: Start isIncluded. First operand 464 states and 597 transitions. Second operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,809 INFO L87 Difference]: Start difference. First operand 464 states and 597 transitions. Second operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:39,827 INFO L93 Difference]: Finished difference Result 464 states and 597 transitions. [2022-02-21 04:18:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 597 transitions. [2022-02-21 04:18:39,829 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:39,829 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:39,829 INFO L74 IsIncluded]: Start isIncluded. First operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 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 464 states and 597 transitions. [2022-02-21 04:18:39,830 INFO L87 Difference]: Start difference. First operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 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 464 states and 597 transitions. [2022-02-21 04:18:39,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:18:39,853 INFO L93 Difference]: Finished difference Result 464 states and 597 transitions. [2022-02-21 04:18:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 597 transitions. [2022-02-21 04:18:39,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:18:39,854 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:18:39,854 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:18:39,854 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:18:39,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 284 states have (on average 1.278169014084507) internal successors, (363), 283 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:18:39,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 363 transitions. [2022-02-21 04:18:39,860 INFO L704 BuchiCegarLoop]: Abstraction has 284 states and 363 transitions. [2022-02-21 04:18:39,860 INFO L587 BuchiCegarLoop]: Abstraction has 284 states and 363 transitions. [2022-02-21 04:18:39,860 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:18:39,861 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 284 states and 363 transitions. [2022-02-21 04:18:39,862 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 192 [2022-02-21 04:18:39,862 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:18:39,862 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:18:39,863 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:18:39,863 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 04:18:39,863 INFO L791 eck$LassoCheckResult]: Stem: 1422#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(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);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(21, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(30, 21);call #Ultimate.allocInit(9, 22);call #Ultimate.allocInit(25, 23);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~switchedOnBeforeTS~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1349#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret48#1, main_~retValue_acc~8#1, main_~tmp~9#1;havoc main_~retValue_acc~8#1;havoc main_~tmp~9#1;assume { :begin_inline_select_helpers } true; 1350#L414 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1297#L407 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 1298#L422 main_#t~ret48#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~9#1 := main_#t~ret48#1;havoc main_#t~ret48#1; 1306#L885 assume 0 != main_~tmp~9#1;assume { :begin_inline_setup } true; 1330#L861 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 1331#L346 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet17#1, test_#t~nondet18#1, test_#t~nondet19#1, test_#t~nondet20#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1358#L281-2 [2022-02-21 04:18:39,864 INFO L793 eck$LassoCheckResult]: Loop: 1358#L281-2 assume !false; 1268#L282 assume test_~splverifierCounter~0#1 < 4; 1269#L283 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 1405#L291 assume !(0 != test_~tmp~4#1); 1402#L291-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 1403#L301 assume !(0 != test_~tmp___0~1#1); 1322#L301-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 1323#L311 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1366#L264 assume { :end_inline_startSystem } true; 1303#L319-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret21#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1304#L200 __utac_acc__Specification5_spec__2_#t~ret21#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret21#1;havoc __utac_acc__Specification5_spec__2_#t~ret21#1; 1412#L356 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 1393#L72 assume !(0 != ~pumpRunning~0); 1282#L72-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 1283#L130 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret4#1, processEnvironment__wrappee__methaneQuery_~tmp~0#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~0#1; 1381#L104-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1352#L96-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1321#L104-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1389#L130-1 assume { :end_inline_processEnvironment } true; 1421#L79-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret22#1, __utac_acc__Specification5_spec__3_#t~ret23#1, __utac_acc__Specification5_spec__3_~tmp~5#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~5#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 1357#L974 __utac_acc__Specification5_spec__3_#t~ret22#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~5#1 := __utac_acc__Specification5_spec__3_#t~ret22#1;havoc __utac_acc__Specification5_spec__3_#t~ret22#1; 1299#L367 assume 2 != __utac_acc__Specification5_spec__3_~tmp~5#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~1#1;havoc isPumpRunning_~retValue_acc~1#1;isPumpRunning_~retValue_acc~1#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~1#1; 1300#L200-1 __utac_acc__Specification5_spec__3_#t~ret23#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret23#1;havoc __utac_acc__Specification5_spec__3_#t~ret23#1; 1318#L371 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 1333#L367-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 1397#L89 assume { :end_inline_timeShift } true; 1358#L281-2 [2022-02-21 04:18:39,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:39,864 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-02-21 04:18:39,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:39,865 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358998436] [2022-02-21 04:18:39,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:39,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:39,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,879 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:39,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,894 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:39,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:39,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1928392538, now seen corresponding path program 1 times [2022-02-21 04:18:39,895 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:39,895 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199348570] [2022-02-21 04:18:39,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:39,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:39,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,901 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:39,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,915 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:39,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:18:39,916 INFO L85 PathProgramCache]: Analyzing trace with hash -1230146993, now seen corresponding path program 1 times [2022-02-21 04:18:39,916 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:18:39,916 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042185019] [2022-02-21 04:18:39,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:18:39,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:18:39,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,936 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:18:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:18:39,949 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:18:42,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:18:42 BoogieIcfgContainer [2022-02-21 04:18:42,302 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:18:42,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:18:42,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:18:42,303 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:18:42,303 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:18:37" (3/4) ... [2022-02-21 04:18:42,305 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:18:42,338 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:18:42,338 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:18:42,339 INFO L158 Benchmark]: Toolchain (without parser) took 5566.36ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 84.3MB in the beginning and 126.4MB in the end (delta: -42.1MB). Peak memory consumption was 20.9MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,339 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 123.7MB. Free memory was 101.7MB in the beginning and 101.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:18:42,339 INFO L158 Benchmark]: CACSL2BoogieTranslator took 385.57ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 85.4MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,340 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.73ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,340 INFO L158 Benchmark]: Boogie Preprocessor took 27.00ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,340 INFO L158 Benchmark]: RCFGBuilder took 476.44ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 54.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,341 INFO L158 Benchmark]: BuchiAutomizer took 4551.73ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 54.0MB in the beginning and 129.5MB in the end (delta: -75.5MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,341 INFO L158 Benchmark]: Witness Printer took 35.29ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:18:42,343 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 0.17ms. Allocated memory is still 123.7MB. Free memory was 101.7MB in the beginning and 101.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 385.57ms. Allocated memory is still 123.7MB. Free memory was 84.1MB in the beginning and 85.4MB in the end (delta: -1.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.73ms. Allocated memory is still 123.7MB. Free memory was 85.4MB in the beginning and 81.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 27.00ms. Allocated memory is still 123.7MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 476.44ms. Allocated memory is still 123.7MB. Free memory was 78.7MB in the beginning and 54.0MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4551.73ms. Allocated memory was 123.7MB in the beginning and 188.7MB in the end (delta: 65.0MB). Free memory was 54.0MB in the beginning and 129.5MB in the end (delta: -75.5MB). Peak memory consumption was 66.6MB. Max. memory is 16.1GB. * Witness Printer took 35.29ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 126.4MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 284 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 180 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 284 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1321 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1321 mSDsluCounter, 1164 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 640 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 105 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 524 mSDtfsCounter, 105 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 281]: 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, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@44fbc5d8=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5f093b66=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, retValue_acc=0, methaneLevelCritical=0, retValue_acc=1, retValue_acc=0, \result=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1216a85=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@13e42964=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@50838014=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@511a15bc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@440ecd65=0, tmp=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2de6586a=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12194804=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@40f32a3c=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 281]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L60] int pumpRunning = 0; [L61] int systemActive = 1; [L340] int switchedOnBeforeTS ; [L596] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L802] int cleanupTimeShifts = 4; [L899] int waterLevel = 1; [L900] int methaneLevelCritical = 0; [L876] int retValue_acc ; [L877] int tmp ; [L881] FCALL select_helpers() [L882] FCALL select_features() [L883] CALL, EXPR valid_product() [L418] int retValue_acc ; [L421] retValue_acc = 1 [L422] return (retValue_acc); [L883] RET, EXPR valid_product() [L883] tmp = valid_product() [L885] COND TRUE \read(tmp) [L887] FCALL setup() [L888] CALL runTest() [L869] CALL __utac_acc__Specification5_spec__1() [L345] switchedOnBeforeTS = 0 [L869] RET __utac_acc__Specification5_spec__1() [L870] CALL test() [L272] int splverifierCounter ; [L273] int tmp ; [L274] int tmp___0 ; [L275] int tmp___1 ; [L276] int tmp___2 ; [L279] splverifierCounter = 0 Loop: [L281] COND TRUE 1 [L283] COND TRUE splverifierCounter < 4 [L289] tmp = __VERIFIER_nondet_int() [L291] COND FALSE !(\read(tmp)) [L299] tmp___0 = __VERIFIER_nondet_int() [L301] COND FALSE !(\read(tmp___0)) [L309] tmp___2 = __VERIFIER_nondet_int() [L311] COND TRUE \read(tmp___2) [L313] CALL startSystem() [L263] systemActive = 1 [L313] RET startSystem() [L326] CALL timeShift() [L70] CALL __utac_acc__Specification5_spec__2() [L354] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L354] RET, EXPR isPumpRunning() [L354] switchedOnBeforeTS = isPumpRunning() [L70] RET __utac_acc__Specification5_spec__2() [L72] COND FALSE !(\read(pumpRunning)) [L79] COND TRUE \read(systemActive) [L81] CALL processEnvironment() [L127] int tmp ; [L130] COND FALSE !(\read(pumpRunning)) [L145] CALL processEnvironment__wrappee__methaneQuery() [L101] int tmp ; [L104] COND FALSE !(\read(pumpRunning)) [L119] FCALL processEnvironment__wrappee__base() [L145] RET processEnvironment__wrappee__methaneQuery() [L81] RET processEnvironment() [L87] CALL __utac_acc__Specification5_spec__3() [L360] int tmp ; [L361] int tmp___0 ; [L365] CALL, EXPR getWaterLevel() [L970] int retValue_acc ; [L973] retValue_acc = waterLevel [L974] return (retValue_acc); [L365] RET, EXPR getWaterLevel() [L365] tmp = getWaterLevel() [L367] COND TRUE tmp != 2 [L369] CALL, EXPR isPumpRunning() [L196] int retValue_acc ; [L199] retValue_acc = pumpRunning [L200] return (retValue_acc); [L369] RET, EXPR isPumpRunning() [L369] tmp___0 = isPumpRunning() [L371] COND FALSE !(\read(tmp___0)) [L87] RET __utac_acc__Specification5_spec__3() [L326] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:18:42,389 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)