./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec3_product05.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 b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:37:46,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:37:46,963 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:37:46,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:37:46,986 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:37:46,987 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:37:46,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:37:46,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:37:47,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:37:47,001 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:37:47,002 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:37:47,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:37:47,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:37:47,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:37:47,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:37:47,007 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:37:47,008 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:37:47,009 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:37:47,010 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:37:47,011 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:37:47,012 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:37:47,015 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:37:47,016 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:37:47,017 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:37:47,017 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:37:47,019 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:37:47,020 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:37:47,020 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:37:47,020 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:37:47,021 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:37:47,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:37:47,022 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:37:47,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:37:47,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:37:47,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:37:47,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:37:47,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:37:47,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:37:47,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:37:47,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:37:47,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:37:47,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:37:47,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:37:47,052 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:37:47,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:37:47,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:37:47,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:37:47,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:37:47,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:37:47,055 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:37:47,055 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:37:47,055 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:37:47,056 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:37:47,056 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:37:47,056 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:37:47,056 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:37:47,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:37:47,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:37:47,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:37:47,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:37:47,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:37:47,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:37:47,059 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:37:47,061 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:37:47,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b865f5e931ffaacb6a81afac914a10a47a42bb42c424711b6672929c081952ea [2022-07-22 02:37:47,335 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:37:47,356 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:37:47,358 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:37:47,359 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:37:47,359 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:37:47,360 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2022-07-22 02:37:47,408 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d60c277/95bb59abd53d478bac59dce3d13325bf/FLAG38ee93adf [2022-07-22 02:37:47,806 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:37:47,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2022-07-22 02:37:47,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d60c277/95bb59abd53d478bac59dce3d13325bf/FLAG38ee93adf [2022-07-22 02:37:47,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d2d60c277/95bb59abd53d478bac59dce3d13325bf [2022-07-22 02:37:47,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:37:47,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:37:47,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:47,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:37:47,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:37:47,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:47" (1/1) ... [2022-07-22 02:37:47,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf20b72 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:47, skipping insertion in model container [2022-07-22 02:37:47,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:37:47" (1/1) ... [2022-07-22 02:37:47,869 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:37:47,903 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:37:48,072 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_spec3_product05.cil.c[2141,2154] [2022-07-22 02:37:48,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:48,186 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:37:48,202 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_spec3_product05.cil.c[2141,2154] [2022-07-22 02:37:48,256 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:37:48,271 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:37:48,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48 WrapperNode [2022-07-22 02:37:48,272 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:37:48,273 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:48,273 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:37:48,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:37:48,277 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,300 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,337 INFO L137 Inliner]: procedures = 50, calls = 149, calls flagged for inlining = 46, calls inlined = 50, statements flattened = 392 [2022-07-22 02:37:48,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:37:48,340 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:37:48,341 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:37:48,341 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:37:48,346 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,347 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,378 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:37:48,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:37:48,381 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:37:48,381 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:37:48,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (1/1) ... [2022-07-22 02:37:48,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:37:48,393 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:37:48,416 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:37:48,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:37:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:37:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:37:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:37:48,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:37:48,523 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:37:48,524 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:37:48,735 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:37:48,739 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:37:48,740 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:37:48,741 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:48 BoogieIcfgContainer [2022-07-22 02:37:48,741 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:37:48,742 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:37:48,742 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:37:48,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:37:48,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:48,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:37:47" (1/3) ... [2022-07-22 02:37:48,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59c856c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:48, skipping insertion in model container [2022-07-22 02:37:48,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:48,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:37:48" (2/3) ... [2022-07-22 02:37:48,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@59c856c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:37:48, skipping insertion in model container [2022-07-22 02:37:48,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:37:48,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:48" (3/3) ... [2022-07-22 02:37:48,747 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2022-07-22 02:37:48,781 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:37:48,781 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:37:48,781 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:37:48,781 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:37:48,781 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:37:48,781 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:37:48,782 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:37:48,782 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:37:48,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:48,802 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:37:48,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:48,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:48,810 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:48,811 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:48,811 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:37:48,814 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:48,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:37:48,823 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:48,823 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:48,824 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:48,824 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:48,831 INFO L752 eck$LassoCheckResult]: Stem: 91#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 28#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 48#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 96#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 16#L83true main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 10#L389true assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 83#L366true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 100#L252-2true [2022-07-22 02:37:48,831 INFO L754 eck$LassoCheckResult]: Loop: 100#L252-2true assume !false; 66#L253true assume test_~splverifierCounter~0#1 < 4; 39#L254true test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 43#L262true assume !(0 != test_~tmp~1#1); 58#L262-2true test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 32#L272true assume !(0 != test_~tmp___0~0#1); 13#L272-2true test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 4#L282true assume 0 != test_~tmp___2~0#1; 35#L288-2true assume { :begin_inline_timeShift } true; 85#L113true assume !(0 != ~pumpRunning~0); 34#L113-2true assume !(0 != ~systemActive~0); 33#L120-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 18#L813-1true __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 89#L859true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1; 65#L865-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 44#L130true assume { :end_inline_timeShift } true; 100#L252-2true [2022-07-22 02:37:48,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:48,840 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:37:48,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:48,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394081414] [2022-07-22 02:37:48,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:48,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:48,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:48,958 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:48,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:48,992 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:48,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:48,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1035983594, now seen corresponding path program 1 times [2022-07-22 02:37:48,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:48,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339504958] [2022-07-22 02:37:48,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:48,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,002 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,008 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:49,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash 319435482, now seen corresponding path program 1 times [2022-07-22 02:37:49,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286181682] [2022-07-22 02:37:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:49,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:49,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286181682] [2022-07-22 02:37:49,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286181682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:49,113 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:49,113 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:37:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061337287] [2022-07-22 02:37:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:49,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:49,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:37:49,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:37:49,220 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 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 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:49,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:49,263 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-07-22 02:37:49,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:37:49,267 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2022-07-22 02:37:49,270 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:37:49,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2022-07-22 02:37:49,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-07-22 02:37:49,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-07-22 02:37:49,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2022-07-22 02:37:49,275 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:49,275 INFO L369 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:37:49,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2022-07-22 02:37:49,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-22 02:37:49,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:49,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-07-22 02:37:49,295 INFO L392 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:37:49,295 INFO L374 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:37:49,295 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:37:49,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2022-07-22 02:37:49,297 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:37:49,297 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:49,297 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:49,298 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:49,298 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:49,298 INFO L752 eck$LassoCheckResult]: Stem: 299#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 289#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 290#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 306#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 270#L83 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 247#L389 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 248#L366 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 291#L252-2 [2022-07-22 02:37:49,298 INFO L754 eck$LassoCheckResult]: Loop: 291#L252-2 assume !false; 251#L253 assume test_~splverifierCounter~0#1 < 4; 252#L254 test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 303#L262 assume !(0 != test_~tmp~1#1); 220#L262-2 test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 228#L272 assume !(0 != test_~tmp___0~0#1); 257#L272-2 test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 225#L282 assume 0 != test_~tmp___2~0#1; 227#L288-2 assume { :begin_inline_timeShift } true; 293#L113 assume !(0 != ~pumpRunning~0); 294#L113-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 296#L145 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 237#L137-1 assume { :end_inline_processEnvironment__wrappee__base } true; 238#L145-1 assume { :end_inline_processEnvironment } true; 295#L120-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 275#L813-1 __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 276#L859 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6#1; 249#L865-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 250#L130 assume { :end_inline_timeShift } true; 291#L252-2 [2022-07-22 02:37:49,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:37:49,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,299 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604518906] [2022-07-22 02:37:49,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,312 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,326 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:49,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,326 INFO L85 PathProgramCache]: Analyzing trace with hash -2086260171, now seen corresponding path program 1 times [2022-07-22 02:37:49,327 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413419113] [2022-07-22 02:37:49,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,332 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,337 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:49,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,337 INFO L85 PathProgramCache]: Analyzing trace with hash 215883249, now seen corresponding path program 1 times [2022-07-22 02:37:49,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,338 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223275536] [2022-07-22 02:37:49,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:37:49,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:37:49,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:37:49,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223275536] [2022-07-22 02:37:49,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223275536] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:37:49,381 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:37:49,381 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-22 02:37:49,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718068158] [2022-07-22 02:37:49,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:37:49,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:37:49,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-22 02:37:49,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-22 02:37:49,452 INFO L87 Difference]: Start difference. First operand 89 states and 114 transitions. cyclomatic complexity: 27 Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:49,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:37:49,562 INFO L93 Difference]: Finished difference Result 305 states and 394 transitions. [2022-07-22 02:37:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-22 02:37:49,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 305 states and 394 transitions. [2022-07-22 02:37:49,568 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 213 [2022-07-22 02:37:49,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 305 states to 305 states and 394 transitions. [2022-07-22 02:37:49,570 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 305 [2022-07-22 02:37:49,571 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 305 [2022-07-22 02:37:49,571 INFO L73 IsDeterministic]: Start isDeterministic. Operand 305 states and 394 transitions. [2022-07-22 02:37:49,572 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:37:49,573 INFO L369 hiAutomatonCegarLoop]: Abstraction has 305 states and 394 transitions. [2022-07-22 02:37:49,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states and 394 transitions. [2022-07-22 02:37:49,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 171. [2022-07-22 02:37:49,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 171 states have (on average 1.2690058479532165) internal successors, (217), 170 states have internal predecessors, (217), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:37:49,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 217 transitions. [2022-07-22 02:37:49,581 INFO L392 hiAutomatonCegarLoop]: Abstraction has 171 states and 217 transitions. [2022-07-22 02:37:49,581 INFO L374 stractBuchiCegarLoop]: Abstraction has 171 states and 217 transitions. [2022-07-22 02:37:49,582 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-22 02:37:49,582 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 171 states and 217 transitions. [2022-07-22 02:37:49,583 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2022-07-22 02:37:49,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:37:49,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:37:49,584 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:49,584 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:37:49,584 INFO L752 eck$LassoCheckResult]: Stem: 730#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;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 713#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~4#1, main_~tmp~2#1;havoc main_~retValue_acc~4#1;havoc main_~tmp~2#1;assume { :begin_inline_select_helpers } true; 714#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 741#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 685#L83 main_#t~ret19#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~2#1 := main_#t~ret19#1;havoc main_#t~ret19#1; 660#L389 assume 0 != main_~tmp~2#1;assume { :begin_inline_setup } true; 661#L366 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet15#1, test_#t~nondet16#1, test_#t~nondet17#1, test_#t~nondet18#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 715#L252-2 [2022-07-22 02:37:49,584 INFO L754 eck$LassoCheckResult]: Loop: 715#L252-2 assume !false; 777#L253 assume test_~splverifierCounter~0#1 < 4; 737#L254 test_~tmp~1#1 := test_#t~nondet15#1;havoc test_#t~nondet15#1; 738#L262 assume !(0 != test_~tmp~1#1); 634#L262-2 test_~tmp___0~0#1 := test_#t~nondet16#1;havoc test_#t~nondet16#1; 640#L272 assume !(0 != test_~tmp___0~0#1); 670#L272-2 test_~tmp___2~0#1 := test_#t~nondet17#1;havoc test_#t~nondet17#1; 637#L282 assume 0 != test_~tmp___2~0#1; 639#L288-2 assume { :begin_inline_timeShift } true; 718#L113 assume !(0 != ~pumpRunning~0); 719#L113-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret5#1, processEnvironment_~tmp~0#1;havoc processEnvironment_~tmp~0#1; 722#L145 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 649#L137-1 assume { :end_inline_processEnvironment__wrappee__base } true; 650#L145-1 assume { :end_inline_processEnvironment } true; 720#L120-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret48#1, __utac_acc__Specification3_spec__1_#t~ret49#1, __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_~tmp~6#1, __utac_acc__Specification3_spec__1_~tmp___0~1#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~6#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~1#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1; 721#L813-1 __utac_acc__Specification3_spec__1_#t~ret48#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~6#1 := __utac_acc__Specification3_spec__1_#t~ret48#1;havoc __utac_acc__Specification3_spec__1_#t~ret48#1; 726#L859 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~9#1;havoc getWaterLevel_~retValue_acc~9#1;getWaterLevel_~retValue_acc~9#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~9#1; 727#L845 __utac_acc__Specification3_spec__1_#t~ret49#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~1#1 := __utac_acc__Specification3_spec__1_#t~ret49#1;havoc __utac_acc__Specification3_spec__1_#t~ret49#1; 728#L865 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1#1); 779#L865-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 778#L130 assume { :end_inline_timeShift } true; 715#L252-2 [2022-07-22 02:37:49,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-22 02:37:49,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,585 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374567712] [2022-07-22 02:37:49,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,597 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,610 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:49,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,611 INFO L85 PathProgramCache]: Analyzing trace with hash 854953992, now seen corresponding path program 1 times [2022-07-22 02:37:49,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919320210] [2022-07-22 02:37:49,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,630 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,635 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:49,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:37:49,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1306623172, now seen corresponding path program 1 times [2022-07-22 02:37:49,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:37:49,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805464474] [2022-07-22 02:37:49,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:37:49,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:37:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,648 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:37:49,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:37:49,662 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:37:52,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:37:52 BoogieIcfgContainer [2022-07-22 02:37:52,097 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:37:52,098 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:37:52,098 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:37:52,098 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:37:52,099 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:37:48" (3/4) ... [2022-07-22 02:37:52,100 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:37:52,160 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:37:52,160 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:37:52,161 INFO L158 Benchmark]: Toolchain (without parser) took 4333.42ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 37.8MB in the beginning and 54.8MB in the end (delta: -17.1MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,162 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:37:52,162 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.95ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 50.2MB in the end (delta: -12.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,162 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.98ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,163 INFO L158 Benchmark]: Boogie Preprocessor took 38.98ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 45.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,163 INFO L158 Benchmark]: RCFGBuilder took 361.64ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 51.2MB in the end (delta: -5.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,164 INFO L158 Benchmark]: BuchiAutomizer took 3355.53ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 50.9MB in the beginning and 56.9MB in the end (delta: -6.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,165 INFO L158 Benchmark]: Witness Printer took 62.35ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:37:52,167 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 73.4MB. Free memory was 55.2MB in the beginning and 55.1MB in the end (delta: 85.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.95ms. Allocated memory is still 73.4MB. Free memory was 37.5MB in the beginning and 50.2MB in the end (delta: -12.7MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.98ms. Allocated memory is still 73.4MB. Free memory was 50.0MB in the beginning and 47.3MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.98ms. Allocated memory is still 73.4MB. Free memory was 47.3MB in the beginning and 45.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 361.64ms. Allocated memory is still 73.4MB. Free memory was 45.6MB in the beginning and 51.2MB in the end (delta: -5.6MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 3355.53ms. Allocated memory was 73.4MB in the beginning and 136.3MB in the end (delta: 62.9MB). Free memory was 50.9MB in the beginning and 56.9MB in the end (delta: -6.0MB). Peak memory consumption was 66.9MB. Max. memory is 16.1GB. * Witness Printer took 62.35ms. Allocated memory is still 136.3MB. Free memory was 56.9MB in the beginning and 54.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 171 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 134 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 857 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 857 mSDsluCounter, 741 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 469 mSDsCounter, 25 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 91 IncrementalHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 25 mSolverCounterUnsat, 272 mSDtfsCounter, 91 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 252]: 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@5f85ed2d=0, retValue_acc=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, retValue_acc=1, methaneLevelCritical=0, tmp___0=1, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e913e98=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29fd33d2=0, \result=1, tmp=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ae987e5=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@34b0265c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45a6224e=0, tmp___2=29, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f34ebb3=0, tmp=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b6c2310=0, tmp=1, \result=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@c43f649=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 252]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L105] int pumpRunning = 0; [L106] int systemActive = 1; [L307] int cleanupTimeShifts = 4; [L572] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L770] int waterLevel = 1; [L771] int methaneLevelCritical = 0; [L380] int retValue_acc ; [L381] int tmp ; [L385] FCALL select_helpers() [L386] FCALL select_features() [L387] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L387] RET, EXPR valid_product() [L387] tmp = valid_product() [L389] COND TRUE \read(tmp) [L391] FCALL setup() [L392] CALL runTest() [L374] CALL test() [L243] int splverifierCounter ; [L244] int tmp ; [L245] int tmp___0 ; [L246] int tmp___1 ; [L247] int tmp___2 ; [L250] splverifierCounter = 0 Loop: [L252] COND TRUE 1 [L254] COND TRUE splverifierCounter < 4 [L260] tmp = __VERIFIER_nondet_int() [L262] COND FALSE !(\read(tmp)) [L270] tmp___0 = __VERIFIER_nondet_int() [L272] COND FALSE !(\read(tmp___0)) [L280] tmp___2 = __VERIFIER_nondet_int() [L282] COND TRUE \read(tmp___2) [L295] CALL timeShift() [L113] COND FALSE !(\read(pumpRunning)) [L120] COND TRUE \read(systemActive) [L122] CALL processEnvironment() [L142] int tmp ; [L145] COND FALSE !(\read(pumpRunning)) [L160] FCALL processEnvironment__wrappee__base() [L122] RET processEnvironment() [L128] CALL __utac_acc__Specification3_spec__1() [L851] int tmp ; [L852] int tmp___0 ; [L853] int tmp___1 ; [L857] CALL, EXPR isMethaneLevelCritical() [L809] int retValue_acc ; [L812] retValue_acc = methaneLevelCritical [L813] return (retValue_acc); [L857] RET, EXPR isMethaneLevelCritical() [L857] tmp = isMethaneLevelCritical() [L859] COND FALSE !(\read(tmp)) [L863] CALL, EXPR getWaterLevel() [L841] int retValue_acc ; [L844] retValue_acc = waterLevel [L845] return (retValue_acc); [L863] RET, EXPR getWaterLevel() [L863] tmp___0 = getWaterLevel() [L865] COND FALSE !(tmp___0 == 2) [L128] RET __utac_acc__Specification3_spec__1() [L295] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:37:52,218 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)