./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 791161d1 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_spec5_product26.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 cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:27:49,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:27:49,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:27:49,430 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:27:49,431 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:27:49,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:27:49,434 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:27:49,436 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:27:49,438 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:27:49,443 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:27:49,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:27:49,446 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:27:49,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:27:49,449 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:27:49,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:27:49,453 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:27:49,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:27:49,457 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:27:49,458 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:27:49,465 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:27:49,468 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:27:49,469 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:27:49,470 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:27:49,471 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:27:49,472 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:27:49,475 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:27:49,476 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:27:49,476 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:27:49,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:27:49,477 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:27:49,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:27:49,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:27:49,481 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:27:49,481 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:27:49,482 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:27:49,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:27:49,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:27:49,483 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:27:49,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:27:49,484 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:27:49,485 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:27:49,486 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:27:49,488 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:27:49,522 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:27:49,522 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:27:49,523 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:27:49,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:27:49,524 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:27:49,525 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:27:49,525 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:27:49,525 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:27:49,525 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:27:49,526 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:27:49,526 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:27:49,527 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:27:49,527 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:27:49,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:27:49,527 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:27:49,528 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:27:49,529 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:27:49,529 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:27:49,529 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:27:49,529 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:27:49,529 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:27:49,530 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:27:49,530 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:27:49,530 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:27:49,530 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:27:49,530 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:27:49,531 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:27:49,531 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:27:49,531 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:27:49,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:27:49,532 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:27:49,533 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:27:49,533 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbc46b286e5e11c96810d470756281447eef671d85940129caf0210db421d14f [2022-07-23 15:27:49,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:27:49,821 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:27:49,824 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:27:49,825 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:27:49,826 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:27:49,827 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2022-07-23 15:27:49,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a025280/a3f64d0b067f431699f64b9921c753ba/FLAG8d5e46199 [2022-07-23 15:27:50,372 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:27:50,373 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c [2022-07-23 15:27:50,385 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a025280/a3f64d0b067f431699f64b9921c753ba/FLAG8d5e46199 [2022-07-23 15:27:50,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e3a025280/a3f64d0b067f431699f64b9921c753ba [2022-07-23 15:27:50,404 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:27:50,407 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:27:50,409 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:27:50,409 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:27:50,412 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:27:50,413 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6983349c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50, skipping insertion in model container [2022-07-23 15:27:50,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,421 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:27:50,466 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:27:50,676 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c[12671,12684] [2022-07-23 15:27:50,712 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:27:50,723 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:27:50,772 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec5_product26.cil.c[12671,12684] [2022-07-23 15:27:50,789 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:27:50,809 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:27:50,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50 WrapperNode [2022-07-23 15:27:50,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:27:50,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:27:50,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:27:50,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:27:50,818 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,863 INFO L137 Inliner]: procedures = 56, calls = 155, calls flagged for inlining = 52, calls inlined = 55, statements flattened = 420 [2022-07-23 15:27:50,863 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:27:50,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:27:50,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:27:50,865 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:27:50,872 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,875 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,876 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,882 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,887 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,889 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:27:50,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:27:50,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:27:50,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:27:50,895 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (1/1) ... [2022-07-23 15:27:50,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:27:50,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:27:50,952 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) [2022-07-23 15:27:50,955 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 [2022-07-23 15:27:50,987 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:27:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:27:50,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:27:50,988 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:27:51,090 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:27:51,092 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:27:51,464 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:27:51,471 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:27:51,472 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:27:51,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:27:51 BoogieIcfgContainer [2022-07-23 15:27:51,474 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:27:51,475 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:27:51,475 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:27:51,478 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:27:51,487 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:27:51,488 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:27:50" (1/3) ... [2022-07-23 15:27:51,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4529e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:27:51, skipping insertion in model container [2022-07-23 15:27:51,489 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:27:51,489 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:27:50" (2/3) ... [2022-07-23 15:27:51,489 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4529e0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:27:51, skipping insertion in model container [2022-07-23 15:27:51,490 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:27:51,490 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:27:51" (3/3) ... [2022-07-23 15:27:51,491 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product26.cil.c [2022-07-23 15:27:51,552 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:27:51,552 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:27:51,552 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:27:51,552 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:27:51,553 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:27:51,553 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:27:51,553 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:27:51,554 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:27:51,560 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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) [2022-07-23 15:27:51,593 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-07-23 15:27:51,594 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:27:51,594 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:27:51,607 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:27:51,608 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] [2022-07-23 15:27:51,608 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:27:51,610 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 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) [2022-07-23 15:27:51,623 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71 [2022-07-23 15:27:51,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:27:51,624 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:27:51,625 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:27:51,625 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] [2022-07-23 15:27:51,634 INFO L752 eck$LassoCheckResult]: Stem: 100#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 35#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 20#L803true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 73#L796true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 62#L811true main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 74#L900true assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 14#L875true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 104#L920true assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 63#L721-2true [2022-07-23 15:27:51,636 INFO L754 eck$LassoCheckResult]: Loop: 63#L721-2true assume !false; 55#L722true assume test_~splverifierCounter~0#1 < 4; 114#L723true test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 82#L731true assume !(0 != test_~tmp~6#1); 3#L731-2true test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 105#L741true assume !(0 != test_~tmp___0~1#1); 64#L741-2true test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 22#L751true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 28#L759true assume 0 != test_~tmp___1~0#1; 38#L759-2true assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 39#L642true __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 54#L930true assume { :end_inline___utac_acc__Specification5_spec__2 } true; 44#L539true assume !(0 != ~pumpRunning~0); 96#L539-2true assume !(0 != ~systemActive~0); 66#L546-1true assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 111#L132true __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 88#L941true assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 81#L941-1true assume { :end_inline___utac_acc__Specification5_spec__3 } true; 102#L556true assume { :end_inline_timeShift } true; 63#L721-2true [2022-07-23 15:27:51,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:51,649 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-07-23 15:27:51,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:51,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536079607] [2022-07-23 15:27:51,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:51,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:51,826 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:51,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:51,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:51,904 INFO L85 PathProgramCache]: Analyzing trace with hash -677049940, now seen corresponding path program 1 times [2022-07-23 15:27:51,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:51,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [54998182] [2022-07-23 15:27:51,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:51,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:51,935 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:51,942 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:51,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:51,944 INFO L85 PathProgramCache]: Analyzing trace with hash 752698403, now seen corresponding path program 1 times [2022-07-23 15:27:51,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:51,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682619555] [2022-07-23 15:27:51,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:51,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:27:52,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:27:52,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:27:52,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682619555] [2022-07-23 15:27:52,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682619555] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:27:52,077 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:27:52,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:27:52,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141357033] [2022-07-23 15:27:52,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:27:52,269 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:27:52,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 15:27:52,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 15:27:52,304 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3571428571428572) internal successors, (152), 112 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:27:52,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:27:52,374 INFO L93 Difference]: Finished difference Result 110 states and 138 transitions. [2022-07-23 15:27:52,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:27:52,379 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 110 states and 138 transitions. [2022-07-23 15:27:52,381 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-23 15:27:52,385 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 110 states to 100 states and 128 transitions. [2022-07-23 15:27:52,386 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 100 [2022-07-23 15:27:52,387 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 100 [2022-07-23 15:27:52,387 INFO L73 IsDeterministic]: Start isDeterministic. Operand 100 states and 128 transitions. [2022-07-23 15:27:52,388 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:27:52,388 INFO L369 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-07-23 15:27:52,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states and 128 transitions. [2022-07-23 15:27:52,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-07-23 15:27:52,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.28) internal successors, (128), 99 states have internal predecessors, (128), 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) [2022-07-23 15:27:52,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 128 transitions. [2022-07-23 15:27:52,415 INFO L392 hiAutomatonCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-07-23 15:27:52,415 INFO L374 stractBuchiCegarLoop]: Abstraction has 100 states and 128 transitions. [2022-07-23 15:27:52,416 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:27:52,416 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 128 transitions. [2022-07-23 15:27:52,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-07-23 15:27:52,417 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:27:52,417 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:27:52,418 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:27:52,418 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, 1] [2022-07-23 15:27:52,418 INFO L752 eck$LassoCheckResult]: Stem: 339#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 291#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 273#L803 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 274#L796 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 317#L811 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 318#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 263#L875 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 264#L920 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 319#L721-2 [2022-07-23 15:27:52,419 INFO L754 eck$LassoCheckResult]: Loop: 319#L721-2 assume !false; 311#L722 assume test_~splverifierCounter~0#1 < 4; 312#L723 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 332#L731 assume !(0 != test_~tmp~6#1); 241#L731-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 242#L741 assume !(0 != test_~tmp___0~1#1); 250#L741-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 276#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 277#L706 assume { :end_inline_startSystem } true; 283#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 292#L642 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 293#L930 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 297#L539 assume !(0 != ~pumpRunning~0); 269#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 338#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 265#L563-1 assume { :end_inline_processEnvironment__wrappee__base } true; 248#L571-1 assume { :end_inline_processEnvironment } true; 305#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 321#L132 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 336#L941 assume !(2 != __utac_acc__Specification5_spec__3_~tmp~8#1); 330#L941-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 331#L556 assume { :end_inline_timeShift } true; 319#L721-2 [2022-07-23 15:27:52,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,419 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-07-23 15:27:52,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828685861] [2022-07-23 15:27:52,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:52,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,434 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:52,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,449 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:52,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,450 INFO L85 PathProgramCache]: Analyzing trace with hash 720863312, now seen corresponding path program 1 times [2022-07-23 15:27:52,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,450 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310674962] [2022-07-23 15:27:52,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:52,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,465 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:52,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,475 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:52,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1163075193, now seen corresponding path program 1 times [2022-07-23 15:27:52,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148589109] [2022-07-23 15:27:52,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:52,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:27:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-23 15:27:52,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:27:52,539 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148589109] [2022-07-23 15:27:52,539 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148589109] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:27:52,539 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:27:52,540 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-07-23 15:27:52,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889249096] [2022-07-23 15:27:52,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:27:52,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:27:52,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 15:27:52,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-23 15:27:52,687 INFO L87 Difference]: Start difference. First operand 100 states and 128 transitions. cyclomatic complexity: 30 Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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) [2022-07-23 15:27:52,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:27:52,876 INFO L93 Difference]: Finished difference Result 280 states and 360 transitions. [2022-07-23 15:27:52,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 15:27:52,878 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 280 states and 360 transitions. [2022-07-23 15:27:52,885 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 173 [2022-07-23 15:27:52,891 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 280 states to 280 states and 360 transitions. [2022-07-23 15:27:52,891 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 280 [2022-07-23 15:27:52,893 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 280 [2022-07-23 15:27:52,893 INFO L73 IsDeterministic]: Start isDeterministic. Operand 280 states and 360 transitions. [2022-07-23 15:27:52,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:27:52,899 INFO L369 hiAutomatonCegarLoop]: Abstraction has 280 states and 360 transitions. [2022-07-23 15:27:52,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states and 360 transitions. [2022-07-23 15:27:52,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 191. [2022-07-23 15:27:52,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 190 states have internal predecessors, (243), 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) [2022-07-23 15:27:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions. [2022-07-23 15:27:52,915 INFO L392 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions. [2022-07-23 15:27:52,915 INFO L374 stractBuchiCegarLoop]: Abstraction has 191 states and 243 transitions. [2022-07-23 15:27:52,915 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-23 15:27:52,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 243 transitions. [2022-07-23 15:27:52,917 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133 [2022-07-23 15:27:52,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:27:52,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:27:52,918 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:27:52,919 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, 1, 1, 1] [2022-07-23 15:27:52,919 INFO L752 eck$LassoCheckResult]: Stem: 738#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~switchedOnBeforeTS~0 := 0; 688#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret49#1, main_~retValue_acc~11#1, main_~tmp~7#1;havoc main_~retValue_acc~11#1;havoc main_~tmp~7#1;assume { :begin_inline_select_helpers } true; 670#L803 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 671#L796 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~10#1;havoc valid_product_~retValue_acc~10#1;valid_product_~retValue_acc~10#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~10#1; 714#L811 main_#t~ret49#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~7#1 := main_#t~ret49#1;havoc main_#t~ret49#1; 715#L900 assume 0 != main_~tmp~7#1;assume { :begin_inline_setup } true; 660#L875 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0; 661#L920 assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 716#L721-2 [2022-07-23 15:27:52,920 INFO L754 eck$LassoCheckResult]: Loop: 716#L721-2 assume !false; 708#L722 assume test_~splverifierCounter~0#1 < 4; 709#L723 test_~tmp~6#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 827#L731 assume !(0 != test_~tmp~6#1); 826#L731-2 test_~tmp___0~1#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 824#L741 assume !(0 != test_~tmp___0~1#1); 822#L741-2 test_~tmp___2~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 821#L751 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 819#L706 assume { :end_inline_startSystem } true; 818#L759-2 assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret50#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 817#L642 __utac_acc__Specification5_spec__2_#t~ret50#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret50#1;havoc __utac_acc__Specification5_spec__2_#t~ret50#1; 815#L930 assume { :end_inline___utac_acc__Specification5_spec__2 } true; 812#L539 assume !(0 != ~pumpRunning~0); 810#L539-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~3#1;havoc processEnvironment_~tmp~3#1; 807#L571 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 806#L563-1 assume { :end_inline_processEnvironment__wrappee__base } true; 803#L571-1 assume { :end_inline_processEnvironment } true; 718#L546-1 assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret51#1, __utac_acc__Specification5_spec__3_#t~ret52#1, __utac_acc__Specification5_spec__3_~tmp~8#1, __utac_acc__Specification5_spec__3_~tmp___0~2#1;havoc __utac_acc__Specification5_spec__3_~tmp~8#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 719#L132 __utac_acc__Specification5_spec__3_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~8#1 := __utac_acc__Specification5_spec__3_#t~ret51#1;havoc __utac_acc__Specification5_spec__3_#t~ret51#1; 735#L941 assume 2 != __utac_acc__Specification5_spec__3_~tmp~8#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~7#1;havoc isPumpRunning_~retValue_acc~7#1;isPumpRunning_~retValue_acc~7#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~7#1; 726#L642-1 __utac_acc__Specification5_spec__3_#t~ret52#1 := isPumpRunning_#res#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~2#1 := __utac_acc__Specification5_spec__3_#t~ret52#1;havoc __utac_acc__Specification5_spec__3_#t~ret52#1; 727#L945 assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~2#1); 728#L941-1 assume { :end_inline___utac_acc__Specification5_spec__3 } true; 729#L556 assume { :end_inline_timeShift } true; 716#L721-2 [2022-07-23 15:27:52,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,921 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times [2022-07-23 15:27:52,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328296118] [2022-07-23 15:27:52,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,942 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:52,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,970 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:52,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1240809579, now seen corresponding path program 1 times [2022-07-23 15:27:52,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337806719] [2022-07-23 15:27:52,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:52,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,985 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:52,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:52,994 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:52,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:27:52,996 INFO L85 PathProgramCache]: Analyzing trace with hash 1004664916, now seen corresponding path program 1 times [2022-07-23 15:27:52,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:27:52,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [574035702] [2022-07-23 15:27:52,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:27:52,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:27:53,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:53,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:27:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:27:53,039 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:27:55,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:27:55 BoogieIcfgContainer [2022-07-23 15:27:55,876 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:27:55,877 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:27:55,877 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:27:55,877 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:27:55,878 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:27:51" (3/4) ... [2022-07-23 15:27:55,880 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:27:55,946 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:27:55,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:27:55,947 INFO L158 Benchmark]: Toolchain (without parser) took 5540.69ms. Allocated memory was 88.1MB in the beginning and 132.1MB in the end (delta: 44.0MB). Free memory was 52.8MB in the beginning and 96.7MB in the end (delta: -43.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:27:55,948 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:27:55,948 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.84ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 55.6MB in the end (delta: -3.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,949 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.75ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 52.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,949 INFO L158 Benchmark]: Boogie Preprocessor took 29.75ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,950 INFO L158 Benchmark]: RCFGBuilder took 579.74ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 82.4MB in the end (delta: -31.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,950 INFO L158 Benchmark]: BuchiAutomizer took 4400.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 82.4MB in the beginning and 98.8MB in the end (delta: -16.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,950 INFO L158 Benchmark]: Witness Printer took 69.97ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:27:55,952 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 88.1MB. Free memory was 58.4MB in the beginning and 58.4MB in the end (delta: 21.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.84ms. Allocated memory is still 88.1MB. Free memory was 52.6MB in the beginning and 55.6MB in the end (delta: -3.0MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.75ms. Allocated memory is still 88.1MB. Free memory was 55.6MB in the beginning and 52.5MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.75ms. Allocated memory is still 88.1MB. Free memory was 52.5MB in the beginning and 50.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 579.74ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 50.6MB in the beginning and 82.4MB in the end (delta: -31.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4400.97ms. Allocated memory was 107.0MB in the beginning and 132.1MB in the end (delta: 25.2MB). Free memory was 82.4MB in the beginning and 98.8MB in the end (delta: -16.4MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. * Witness Printer took 69.97ms. Allocated memory is still 132.1MB. Free memory was 98.8MB in the beginning and 96.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 191 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.3s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 89 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, 793 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 793 mSDsluCounter, 695 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 394 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 301 mSDtfsCounter, 88 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: 721]: 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@4e9c9f03=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@222c8cbc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@19666f23=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@838a69f=0, methaneLevelCritical=0, retValue_acc=1, tmp=1, retValue_acc=0, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47d43a68=0, tmp=1, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@47b34563=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b00ebc8=0, cleanupTimeShifts=4, switchedOnBeforeTS=0, \result=0, tmp=0, tmp___0=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e20b859=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57dede90=29} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 721]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L527] int pumpRunning = 0; [L528] int systemActive = 1; [L816] int cleanupTimeShifts = 4; [L914] int switchedOnBeforeTS ; [L891] int retValue_acc ; [L892] int tmp ; [L896] FCALL select_helpers() [L897] FCALL select_features() [L898] CALL, EXPR valid_product() [L807] int retValue_acc ; [L810] retValue_acc = 1 [L811] return (retValue_acc); [L898] RET, EXPR valid_product() [L898] tmp = valid_product() [L900] COND TRUE \read(tmp) [L902] FCALL setup() [L903] CALL runTest() [L884] CALL __utac_acc__Specification5_spec__1() [L919] switchedOnBeforeTS = 0 [L884] RET __utac_acc__Specification5_spec__1() [L885] CALL test() [L712] int splverifierCounter ; [L713] int tmp ; [L714] int tmp___0 ; [L715] int tmp___1 ; [L716] int tmp___2 ; [L719] splverifierCounter = 0 Loop: [L721] COND TRUE 1 [L723] COND TRUE splverifierCounter < 4 [L729] tmp = __VERIFIER_nondet_int() [L731] COND FALSE !(\read(tmp)) [L739] tmp___0 = __VERIFIER_nondet_int() [L741] COND FALSE !(\read(tmp___0)) [L749] tmp___2 = __VERIFIER_nondet_int() [L751] COND TRUE \read(tmp___2) [L753] CALL startSystem() [L705] systemActive = 1 [L753] RET startSystem() [L766] CALL timeShift() [L537] CALL __utac_acc__Specification5_spec__2() [L928] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L928] RET, EXPR isPumpRunning() [L928] switchedOnBeforeTS = isPumpRunning() [L537] RET __utac_acc__Specification5_spec__2() [L539] COND FALSE !(\read(pumpRunning)) [L546] COND TRUE \read(systemActive) [L548] CALL processEnvironment() [L568] int tmp ; [L571] COND FALSE !(\read(pumpRunning)) [L586] FCALL processEnvironment__wrappee__base() [L548] RET processEnvironment() [L554] CALL __utac_acc__Specification5_spec__3() [L934] int tmp ; [L935] int tmp___0 ; [L939] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L939] RET, EXPR getWaterLevel() [L939] tmp = getWaterLevel() [L941] COND TRUE tmp != 2 [L943] CALL, EXPR isPumpRunning() [L638] int retValue_acc ; [L641] retValue_acc = pumpRunning [L642] return (retValue_acc); [L943] RET, EXPR isPumpRunning() [L943] tmp___0 = isPumpRunning() [L945] COND FALSE !(\read(tmp___0)) [L554] RET __utac_acc__Specification5_spec__3() [L766] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:27:55,987 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)