./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product29.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 a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:09,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:09,246 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:09,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:09,298 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:09,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:09,303 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:09,305 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:09,306 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:09,311 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:09,311 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:09,328 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:09,328 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:09,330 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:09,332 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:09,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:09,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:09,334 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:09,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:09,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:09,344 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:09,345 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:09,346 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:09,347 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:09,349 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:09,349 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:09,349 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:09,350 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:09,350 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:09,351 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:09,351 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:09,352 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:09,353 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:09,354 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:09,354 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:09,355 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:09,355 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:09,355 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:09,355 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:09,356 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:09,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:09,364 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:09,409 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:09,410 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:09,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:09,411 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:09,412 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:09,412 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:09,412 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:09,413 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:09,427 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:09,427 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:09,428 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:09,429 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:09,429 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:09,429 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:09,429 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:09,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:09,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:09,430 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:09,431 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:09,431 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:09,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:09,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:09,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:09,431 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:09,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:09,433 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:09,433 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a52f3030559d2895f2e87e8df462d73474ae0a795c3864102f9df18ea4363ab3 [2022-02-21 04:16:09,721 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:09,742 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:09,744 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:09,745 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:09,758 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:09,760 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-02-21 04:16:09,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3308cd138/fce8228bc1bb434c9bfd294b8144e1c3/FLAGd96b0ed67 [2022-02-21 04:16:10,225 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:10,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c [2022-02-21 04:16:10,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3308cd138/fce8228bc1bb434c9bfd294b8144e1c3/FLAGd96b0ed67 [2022-02-21 04:16:10,264 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3308cd138/fce8228bc1bb434c9bfd294b8144e1c3 [2022-02-21 04:16:10,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:10,271 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:10,274 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:10,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:10,287 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:10,292 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:10" (1/1) ... [2022-02-21 04:16:10,292 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a2013e5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:10, skipping insertion in model container [2022-02-21 04:16:10,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:10" (1/1) ... [2022-02-21 04:16:10,297 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:10,370 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:10,716 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2022-02-21 04:16:10,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:10,886 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:10,935 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product29.cil.c[5259,5272] [2022-02-21 04:16:11,010 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:11,046 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:11,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11 WrapperNode [2022-02-21 04:16:11,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:11,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:11,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:11,049 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:11,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,174 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 53, calls inlined = 78, statements flattened = 573 [2022-02-21 04:16:11,181 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:11,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:11,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:11,182 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:11,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,232 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,246 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:11,271 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:11,271 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:11,271 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:11,272 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (1/1) ... [2022-02-21 04:16:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:11,345 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:16:11,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:16:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:11,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:11,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:11,499 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:11,501 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:11,862 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:11,869 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:11,869 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:11,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:11 BoogieIcfgContainer [2022-02-21 04:16:11,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:11,872 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:11,872 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:11,885 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:11,886 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:11,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:10" (1/3) ... [2022-02-21 04:16:11,887 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425dd887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:11, skipping insertion in model container [2022-02-21 04:16:11,887 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:11,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:11" (2/3) ... [2022-02-21 04:16:11,888 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@425dd887 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:11, skipping insertion in model container [2022-02-21 04:16:11,888 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:11,888 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:11" (3/3) ... [2022-02-21 04:16:11,889 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product29.cil.c [2022-02-21 04:16:11,942 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:11,942 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:11,943 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:11,943 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:11,943 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:11,943 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:11,943 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:11,943 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:11,969 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:12,073 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-02-21 04:16:12,074 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:12,074 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:12,079 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:12,079 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:12,079 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:12,087 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:12,109 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 98 [2022-02-21 04:16:12,128 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:12,129 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:12,130 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:12,134 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:12,146 INFO L791 eck$LassoCheckResult]: Stem: 141#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(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 56#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 94#L494true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 25#L487true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 57#L502true main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 8#L419true assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 99#L391true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 70#L439true assume { :end_inline___utac_acc__Specification2_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; 118#L268-2true [2022-02-21 04:16:12,148 INFO L793 eck$LassoCheckResult]: Loop: 118#L268-2true assume !false; 76#L269true assume test_~splverifierCounter~0#1 < 4; 14#L270true test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 154#L278true assume !(0 != test_~tmp~4#1); 5#L278-2true test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 43#L288true assume !(0 != test_~tmp___0~1#1); 64#L288-2true test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 46#L298true assume 0 != test_~tmp___2~0#1; 109#L304-2true assume { :begin_inline_timeShift } true; 140#L67true assume !(0 != ~pumpRunning~0); 24#L67-2true assume !(0 != ~systemActive~0); 114#L74-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 36#L551-1true __utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1; 107#L450true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 61#L450-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 138#L84true assume { :end_inline_timeShift } true; 118#L268-2true [2022-02-21 04:16:12,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:12,167 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:16:12,176 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:12,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013678642] [2022-02-21 04:16:12,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:12,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:12,322 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:12,373 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:12,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:12,380 INFO L85 PathProgramCache]: Analyzing trace with hash -947890230, now seen corresponding path program 1 times [2022-02-21 04:16:12,380 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:12,381 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768542439] [2022-02-21 04:16:12,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:12,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:12,406 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:12,423 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:12,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:12,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1110177613, now seen corresponding path program 1 times [2022-02-21 04:16:12,424 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:12,424 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718153591] [2022-02-21 04:16:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:12,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:12,609 INFO L290 TraceCheckUtils]: 0: Hoare triple {162#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(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; {164#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:12,610 INFO L290 TraceCheckUtils]: 1: Hoare triple {164#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; {164#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:12,610 INFO L290 TraceCheckUtils]: 2: Hoare triple {164#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {164#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:12,611 INFO L290 TraceCheckUtils]: 3: Hoare triple {164#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; {165#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:12,612 INFO L290 TraceCheckUtils]: 4: Hoare triple {165#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; {166#(= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)} is VALID [2022-02-21 04:16:12,612 INFO L290 TraceCheckUtils]: 5: Hoare triple {166#(= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)} assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,613 INFO L290 TraceCheckUtils]: 6: Hoare triple {167#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,613 INFO L290 TraceCheckUtils]: 7: Hoare triple {167#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification2_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; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,614 INFO L290 TraceCheckUtils]: 8: Hoare triple {167#(not (= 0 ~systemActive~0))} assume !false; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,614 INFO L290 TraceCheckUtils]: 9: Hoare triple {167#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,615 INFO L290 TraceCheckUtils]: 10: Hoare triple {167#(not (= 0 ~systemActive~0))} test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,616 INFO L290 TraceCheckUtils]: 11: Hoare triple {167#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4#1); {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,616 INFO L290 TraceCheckUtils]: 12: Hoare triple {167#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,617 INFO L290 TraceCheckUtils]: 13: Hoare triple {167#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,617 INFO L290 TraceCheckUtils]: 14: Hoare triple {167#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,618 INFO L290 TraceCheckUtils]: 15: Hoare triple {167#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,618 INFO L290 TraceCheckUtils]: 16: Hoare triple {167#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,619 INFO L290 TraceCheckUtils]: 17: Hoare triple {167#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {167#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:12,619 INFO L290 TraceCheckUtils]: 18: Hoare triple {167#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {163#false} is VALID [2022-02-21 04:16:12,620 INFO L290 TraceCheckUtils]: 19: Hoare triple {163#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; {163#false} is VALID [2022-02-21 04:16:12,620 INFO L290 TraceCheckUtils]: 20: Hoare triple {163#false} __utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1; {163#false} is VALID [2022-02-21 04:16:12,620 INFO L290 TraceCheckUtils]: 21: Hoare triple {163#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; {163#false} is VALID [2022-02-21 04:16:12,621 INFO L290 TraceCheckUtils]: 22: Hoare triple {163#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {163#false} is VALID [2022-02-21 04:16:12,621 INFO L290 TraceCheckUtils]: 23: Hoare triple {163#false} assume { :end_inline_timeShift } true; {163#false} is VALID [2022-02-21 04:16:12,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:12,622 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:12,622 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718153591] [2022-02-21 04:16:12,623 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [718153591] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:12,623 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:12,623 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:12,624 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945377504] [2022-02-21 04:16:12,625 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:12,740 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:12,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:12,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:12,774 INFO L87 Difference]: Start difference. First operand has 154 states, 153 states have (on average 1.3594771241830066) internal successors, (208), 153 states have internal predecessors, (208), 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 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:13,162 INFO L93 Difference]: Finished difference Result 151 states and 194 transitions. [2022-02-21 04:16:13,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-21 04:16:13,164 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,188 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:13,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 151 states and 194 transitions. [2022-02-21 04:16:13,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2022-02-21 04:16:13,205 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 151 states to 141 states and 184 transitions. [2022-02-21 04:16:13,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 141 [2022-02-21 04:16:13,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 141 [2022-02-21 04:16:13,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 141 states and 184 transitions. [2022-02-21 04:16:13,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:13,209 INFO L681 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-02-21 04:16:13,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states and 184 transitions. [2022-02-21 04:16:13,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2022-02-21 04:16:13,234 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:13,236 INFO L82 GeneralOperation]: Start isEquivalent. First operand 141 states and 184 transitions. Second operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,237 INFO L74 IsIncluded]: Start isIncluded. First operand 141 states and 184 transitions. Second operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,238 INFO L87 Difference]: Start difference. First operand 141 states and 184 transitions. Second operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:13,244 INFO L93 Difference]: Finished difference Result 141 states and 184 transitions. [2022-02-21 04:16:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2022-02-21 04:16:13,246 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:13,246 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:13,246 INFO L74 IsIncluded]: Start isIncluded. First operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 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 141 states and 184 transitions. [2022-02-21 04:16:13,247 INFO L87 Difference]: Start difference. First operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 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 141 states and 184 transitions. [2022-02-21 04:16:13,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:13,252 INFO L93 Difference]: Finished difference Result 141 states and 184 transitions. [2022-02-21 04:16:13,252 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 184 transitions. [2022-02-21 04:16:13,253 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:13,253 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:13,253 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:13,253 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:13,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 141 states have (on average 1.3049645390070923) internal successors, (184), 140 states have internal predecessors, (184), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:13,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 184 transitions. [2022-02-21 04:16:13,259 INFO L704 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-02-21 04:16:13,259 INFO L587 BuchiCegarLoop]: Abstraction has 141 states and 184 transitions. [2022-02-21 04:16:13,259 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:13,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 141 states and 184 transitions. [2022-02-21 04:16:13,260 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 94 [2022-02-21 04:16:13,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:13,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:13,261 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:13,261 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:13,261 INFO L791 eck$LassoCheckResult]: Stem: 462#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(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 404#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#1;assume { :begin_inline_select_helpers } true; 405#L494 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 356#L487 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 357#L502 main_#t~ret21#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1; 333#L419 assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true; 334#L391 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 417#L439 assume { :end_inline___utac_acc__Specification2_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; 418#L268-2 [2022-02-21 04:16:13,261 INFO L793 eck$LassoCheckResult]: Loop: 418#L268-2 assume !false; 421#L269 assume test_~splverifierCounter~0#1 < 4; 344#L270 test_~tmp~4#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 345#L278 assume !(0 != test_~tmp~4#1); 325#L278-2 test_~tmp___0~1#1 := test_#t~nondet18#1;havoc test_#t~nondet18#1; 326#L288 assume !(0 != test_~tmp___0~1#1); 353#L288-2 test_~tmp___2~0#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1; 388#L298 assume 0 != test_~tmp___2~0#1; 389#L304-2 assume { :begin_inline_timeShift } true; 452#L67 assume !(0 != ~pumpRunning~0); 354#L67-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1; 355#L125 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; 445#L99-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 459#L91-3 assume { :end_inline_processEnvironment__wrappee__base } true; 430#L99-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 371#L125-1 assume { :end_inline_processEnvironment } true; 372#L74-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~6#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~6#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1; 373#L551-1 __utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~6#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1; 374#L450 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6#1);~methAndRunningLastTime~0 := 0; 332#L450-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 408#L84 assume { :end_inline_timeShift } true; 418#L268-2 [2022-02-21 04:16:13,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:13,262 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:16:13,262 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:13,263 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774198623] [2022-02-21 04:16:13,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:13,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:13,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,279 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,299 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:13,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:13,300 INFO L85 PathProgramCache]: Analyzing trace with hash -571727994, now seen corresponding path program 1 times [2022-02-21 04:16:13,301 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:13,301 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200525480] [2022-02-21 04:16:13,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:13,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,308 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:13,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,315 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:13,316 INFO L85 PathProgramCache]: Analyzing trace with hash -973105091, now seen corresponding path program 1 times [2022-02-21 04:16:13,316 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:13,316 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [974481334] [2022-02-21 04:16:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,349 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:13,367 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:16,089 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:16 BoogieIcfgContainer [2022-02-21 04:16:16,089 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:16,090 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:16,090 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:16,090 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:16,090 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:11" (3/4) ... [2022-02-21 04:16:16,092 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:16,147 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:16,147 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:16,148 INFO L158 Benchmark]: Toolchain (without parser) took 5876.64ms. Allocated memory was 104.9MB in the beginning and 169.9MB in the end (delta: 65.0MB). Free memory was 73.8MB in the beginning and 80.9MB in the end (delta: -7.1MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,149 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:16,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.10ms. Allocated memory is still 104.9MB. Free memory was 73.5MB in the beginning and 67.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,149 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.67ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 63.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,150 INFO L158 Benchmark]: Boogie Preprocessor took 88.28ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,163 INFO L158 Benchmark]: RCFGBuilder took 600.59ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 60.9MB in the beginning and 101.9MB in the end (delta: -41.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,164 INFO L158 Benchmark]: BuchiAutomizer took 4217.19ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.3MB in the beginning and 83.0MB in the end (delta: 18.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,165 INFO L158 Benchmark]: Witness Printer took 57.42ms. Allocated memory is still 169.9MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:16,167 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 0.23ms. Allocated memory is still 104.9MB. Free memory is still 59.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.10ms. Allocated memory is still 104.9MB. Free memory was 73.5MB in the beginning and 67.1MB in the end (delta: 6.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.67ms. Allocated memory is still 104.9MB. Free memory was 67.1MB in the beginning and 63.3MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 88.28ms. Allocated memory is still 104.9MB. Free memory was 63.3MB in the beginning and 60.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 600.59ms. Allocated memory was 104.9MB in the beginning and 140.5MB in the end (delta: 35.7MB). Free memory was 60.9MB in the beginning and 101.9MB in the end (delta: -41.1MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4217.19ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 101.3MB in the beginning and 83.0MB in the end (delta: 18.3MB). Peak memory consumption was 80.5MB. Max. memory is 16.1GB. * Witness Printer took 57.42ms. Allocated memory is still 169.9MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 141 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 141 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 572 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 572 mSDsluCounter, 193 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 189 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 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: 268]: 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@34fe89f3=0, NULL=0, tmp=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@551802be=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@61d4a32=0, methaneLevelCritical=0, retValue_acc=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1ba356e7=0, \result=0, retValue_acc=1, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@104151fe=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38a6eff9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7e0e3a00=0, tmp___2=29, methAndRunningLastTime=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c539d61=0, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@79393b20=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, tmp___0=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 268]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L59] int pumpRunning = 0; [L60] int systemActive = 1; [L332] int cleanupTimeShifts = 4; [L433] int methAndRunningLastTime ; [L508] int waterLevel = 1; [L509] int methaneLevelCritical = 0; [L766] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L410] int retValue_acc ; [L411] int tmp ; [L415] FCALL select_helpers() [L416] FCALL select_features() [L417] CALL, EXPR valid_product() [L498] int retValue_acc ; [L501] retValue_acc = 1 [L502] return (retValue_acc); [L417] RET, EXPR valid_product() [L417] tmp = valid_product() [L419] COND TRUE \read(tmp) [L421] FCALL setup() [L422] CALL runTest() [L400] CALL __utac_acc__Specification2_spec__1() [L438] methAndRunningLastTime = 0 [L400] RET __utac_acc__Specification2_spec__1() [L401] CALL test() [L259] int splverifierCounter ; [L260] int tmp ; [L261] int tmp___0 ; [L262] int tmp___1 ; [L263] int tmp___2 ; [L266] splverifierCounter = 0 Loop: [L268] COND TRUE 1 [L270] COND TRUE splverifierCounter < 4 [L276] tmp = __VERIFIER_nondet_int() [L278] COND FALSE !(\read(tmp)) [L286] tmp___0 = __VERIFIER_nondet_int() [L288] COND FALSE !(\read(tmp___0)) [L296] tmp___2 = __VERIFIER_nondet_int() [L298] COND TRUE \read(tmp___2) [L311] CALL timeShift() [L67] COND FALSE !(\read(pumpRunning)) [L74] COND TRUE \read(systemActive) [L76] CALL processEnvironment() [L122] int tmp ; [L125] COND FALSE !(\read(pumpRunning)) [L140] CALL processEnvironment__wrappee__methaneQuery() [L96] int tmp ; [L99] COND FALSE !(\read(pumpRunning)) [L114] FCALL processEnvironment__wrappee__base() [L140] RET processEnvironment__wrappee__methaneQuery() [L76] RET processEnvironment() [L82] CALL __utac_acc__Specification2_spec__2() [L443] int tmp ; [L444] int tmp___0 ; [L448] CALL, EXPR isMethaneLevelCritical() [L547] int retValue_acc ; [L550] retValue_acc = methaneLevelCritical [L551] return (retValue_acc); [L448] RET, EXPR isMethaneLevelCritical() [L448] tmp = isMethaneLevelCritical() [L450] COND FALSE !(\read(tmp)) [L466] methAndRunningLastTime = 0 [L82] RET __utac_acc__Specification2_spec__2() [L311] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:16,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with 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)