./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_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_spec1_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 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 15:24:55,847 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 15:24:55,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 15:24:55,885 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 15:24:55,886 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 15:24:55,887 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 15:24:55,889 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 15:24:55,893 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 15:24:55,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 15:24:55,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 15:24:55,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 15:24:55,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 15:24:55,902 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 15:24:55,905 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 15:24:55,907 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 15:24:55,909 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 15:24:55,910 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 15:24:55,911 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 15:24:55,912 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 15:24:55,917 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 15:24:55,919 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 15:24:55,920 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 15:24:55,921 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 15:24:55,921 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 15:24:55,923 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 15:24:55,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 15:24:55,927 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 15:24:55,928 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 15:24:55,929 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 15:24:55,929 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 15:24:55,930 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 15:24:55,930 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 15:24:55,932 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 15:24:55,932 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 15:24:55,933 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 15:24:55,934 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 15:24:55,935 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 15:24:55,935 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 15:24:55,935 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 15:24:55,935 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 15:24:55,936 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 15:24:55,938 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 15:24:55,939 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-23 15:24:55,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 15:24:55,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 15:24:55,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 15:24:55,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 15:24:55,975 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 15:24:55,975 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 15:24:55,976 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 15:24:55,976 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-23 15:24:55,976 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-23 15:24:55,977 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-23 15:24:55,977 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-23 15:24:55,977 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-23 15:24:55,977 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-23 15:24:55,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 15:24:55,977 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-23 15:24:55,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-23 15:24:55,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-23 15:24:55,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 15:24:55,979 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-23 15:24:55,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 15:24:55,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-23 15:24:55,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 15:24:55,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 15:24:55,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 15:24:55,980 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 15:24:55,981 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-23 15:24:55,981 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0cfd5986b9c6081aba994f88e5d05d10fdc0f15ef14be4c1b5ef95a6415946c3 [2022-07-23 15:24:56,192 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 15:24:56,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 15:24:56,213 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 15:24:56,214 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 15:24:56,215 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 15:24:56,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2022-07-23 15:24:56,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa50d9cc/9a50b2db468940c2a5f0276ccd23ddc0/FLAG063d5046a [2022-07-23 15:24:56,727 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 15:24:56,727 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product26.cil.c [2022-07-23 15:24:56,735 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa50d9cc/9a50b2db468940c2a5f0276ccd23ddc0/FLAG063d5046a [2022-07-23 15:24:56,751 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0aa50d9cc/9a50b2db468940c2a5f0276ccd23ddc0 [2022-07-23 15:24:56,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 15:24:56,753 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 15:24:56,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 15:24:56,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 15:24:56,762 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 15:24:56,763 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:24:56" (1/1) ... [2022-07-23 15:24:56,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e1eb0a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:56, skipping insertion in model container [2022-07-23 15:24:56,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 03:24:56" (1/1) ... [2022-07-23 15:24:56,770 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 15:24:56,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 15:24:57,034 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_spec1_product26.cil.c[17861,17874] [2022-07-23 15:24:57,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:24:57,047 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 15:24:57,156 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_spec1_product26.cil.c[17861,17874] [2022-07-23 15:24:57,156 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 15:24:57,171 INFO L208 MainTranslator]: Completed translation [2022-07-23 15:24:57,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57 WrapperNode [2022-07-23 15:24:57,172 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 15:24:57,173 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 15:24:57,173 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 15:24:57,173 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 15:24:57,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,197 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,223 INFO L137 Inliner]: procedures = 54, calls = 152, calls flagged for inlining = 49, calls inlined = 48, statements flattened = 380 [2022-07-23 15:24:57,223 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 15:24:57,224 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 15:24:57,224 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 15:24:57,224 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 15:24:57,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,234 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,240 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,246 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,248 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 15:24:57,249 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 15:24:57,249 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 15:24:57,250 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 15:24:57,250 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (1/1) ... [2022-07-23 15:24:57,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-23 15:24:57,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 15:24:57,278 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 15:24:57,287 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 15:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 15:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 15:24:57,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 15:24:57,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 15:24:57,377 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 15:24:57,378 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 15:24:57,738 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 15:24:57,752 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 15:24:57,753 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-23 15:24:57,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:57 BoogieIcfgContainer [2022-07-23 15:24:57,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 15:24:57,756 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-23 15:24:57,757 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-23 15:24:57,765 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-23 15:24:57,766 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:57,766 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.07 03:24:56" (1/3) ... [2022-07-23 15:24:57,768 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e3ad17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:24:57, skipping insertion in model container [2022-07-23 15:24:57,768 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:57,768 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 03:24:57" (2/3) ... [2022-07-23 15:24:57,769 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4e3ad17a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.07 03:24:57, skipping insertion in model container [2022-07-23 15:24:57,769 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-23 15:24:57,769 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:57" (3/3) ... [2022-07-23 15:24:57,770 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product26.cil.c [2022-07-23 15:24:57,828 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-23 15:24:57,829 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-23 15:24:57,829 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-23 15:24:57,829 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-23 15:24:57,829 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-23 15:24:57,829 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-23 15:24:57,830 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-23 15:24:57,830 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-23 15:24:57,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 15:24:57,865 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-07-23 15:24:57,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:57,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:57,874 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:57,874 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:57,874 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-23 15:24:57,876 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 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 15:24:57,893 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-07-23 15:24:57,894 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:57,894 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:57,895 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:57,895 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:57,904 INFO L752 eck$LassoCheckResult]: Stem: 88#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(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 19#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 31#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; 12#L83true main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 15#L297true assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 32#L273true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 11#L868-2true [2022-07-23 15:24:57,906 INFO L754 eck$LassoCheckResult]: Loop: 11#L868-2true assume !false; 25#L869true assume test_~splverifierCounter~0#1 < 4; 61#L870true test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 23#L878true assume !(0 != test_~tmp~8#1); 58#L878-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 8#L888true assume !(0 != test_~tmp___0~2#1); 40#L888-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 66#L898true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 78#L906true assume 0 != test_~tmp___1~0#1; 91#L906-2true assume { :begin_inline_timeShift } true; 39#L321true assume !(0 != ~pumpRunning~0); 55#L321-2true assume !(0 != ~systemActive~0); 52#L328-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 35#L138true __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 72#L194true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 4#L194-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 26#L338true assume { :end_inline_timeShift } true; 11#L868-2true [2022-07-23 15:24:57,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:57,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-23 15:24:57,929 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:57,930 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561462221] [2022-07-23 15:24:57,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:57,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,060 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:58,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:58,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:58,111 INFO L85 PathProgramCache]: Analyzing trace with hash -86162590, now seen corresponding path program 1 times [2022-07-23 15:24:58,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:58,111 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106640537] [2022-07-23 15:24:58,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:58,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,134 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:58,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:58,149 INFO L85 PathProgramCache]: Analyzing trace with hash -1017844194, now seen corresponding path program 1 times [2022-07-23 15:24:58,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:58,150 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1102572975] [2022-07-23 15:24:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:58,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 15:24:58,304 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 15:24:58,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 15:24:58,306 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1102572975] [2022-07-23 15:24:58,306 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1102572975] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 15:24:58,307 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 15:24:58,307 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 15:24:58,307 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166380018] [2022-07-23 15:24:58,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 15:24:58,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 15:24:58,476 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 15:24:58,476 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-23 15:24:58,478 INFO L87 Difference]: Start difference. First operand has 103 states, 102 states have (on average 1.3627450980392157) internal successors, (139), 102 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-23 15:24:58,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 15:24:58,558 INFO L93 Difference]: Finished difference Result 100 states and 125 transitions. [2022-07-23 15:24:58,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 15:24:58,563 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 125 transitions. [2022-07-23 15:24:58,569 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-07-23 15:24:58,576 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 90 states and 115 transitions. [2022-07-23 15:24:58,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 90 [2022-07-23 15:24:58,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 90 [2022-07-23 15:24:58,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 90 states and 115 transitions. [2022-07-23 15:24:58,583 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-23 15:24:58,583 INFO L369 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-07-23 15:24:58,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states and 115 transitions. [2022-07-23 15:24:58,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-07-23 15:24:58,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.2777777777777777) internal successors, (115), 89 states have internal predecessors, (115), 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 15:24:58,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 115 transitions. [2022-07-23 15:24:58,613 INFO L392 hiAutomatonCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-07-23 15:24:58,614 INFO L374 stractBuchiCegarLoop]: Abstraction has 90 states and 115 transitions. [2022-07-23 15:24:58,614 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-23 15:24:58,614 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 115 transitions. [2022-07-23 15:24:58,616 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 61 [2022-07-23 15:24:58,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-23 15:24:58,617 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-23 15:24:58,617 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-23 15:24:58,617 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] [2022-07-23 15:24:58,618 INFO L752 eck$LassoCheckResult]: Stem: 302#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(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 296#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret12#1, main_~retValue_acc~5#1, main_~tmp~1#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~1#1;assume { :begin_inline_select_helpers } true; 297#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 310#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; 275#L83 main_#t~ret12#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1; 276#L297 assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true; 288#L273 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~8#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~8#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 273#L868-2 [2022-07-23 15:24:58,619 INFO L754 eck$LassoCheckResult]: Loop: 273#L868-2 assume !false; 274#L869 assume test_~splverifierCounter~0#1 < 4; 259#L870 test_~tmp~8#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 260#L878 assume !(0 != test_~tmp~8#1); 255#L878-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 256#L888 assume !(0 != test_~tmp___0~2#1); 238#L888-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 267#L898 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 268#L906 assume 0 != test_~tmp___1~0#1; 293#L906-2 assume { :begin_inline_timeShift } true; 305#L321 assume !(0 != ~pumpRunning~0); 250#L321-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 251#L353 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 248#L345-1 assume { :end_inline_processEnvironment__wrappee__base } true; 249#L353-1 assume { :end_inline_processEnvironment } true; 239#L328-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10#1, __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_~tmp~0#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~0#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 240#L138 __utac_acc__Specification1_spec__1_#t~ret10#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret10#1;havoc __utac_acc__Specification1_spec__1_#t~ret10#1; 284#L194 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 227#L194-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 228#L338 assume { :end_inline_timeShift } true; 273#L868-2 [2022-07-23 15:24:58,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:58,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-23 15:24:58,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:58,621 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923729636] [2022-07-23 15:24:58,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:58,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,638 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,664 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:58,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:58,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1840109465, now seen corresponding path program 1 times [2022-07-23 15:24:58,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:58,665 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921104154] [2022-07-23 15:24:58,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:58,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,670 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:58,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,682 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:24:58,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 15:24:58,683 INFO L85 PathProgramCache]: Analyzing trace with hash 806859819, now seen corresponding path program 1 times [2022-07-23 15:24:58,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 15:24:58,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304441355] [2022-07-23 15:24:58,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 15:24:58,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 15:24:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,704 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-23 15:24:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-23 15:24:58,724 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-23 15:25:01,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.07 03:25:01 BoogieIcfgContainer [2022-07-23 15:25:01,474 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-23 15:25:01,474 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-23 15:25:01,474 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-23 15:25:01,475 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-23 15:25:01,475 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 03:24:57" (3/4) ... [2022-07-23 15:25:01,477 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-23 15:25:01,520 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-23 15:25:01,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-23 15:25:01,521 INFO L158 Benchmark]: Toolchain (without parser) took 4767.21ms. Allocated memory was 90.2MB in the beginning and 132.1MB in the end (delta: 41.9MB). Free memory was 54.1MB in the beginning and 85.8MB in the end (delta: -31.7MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,521 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-23 15:25:01,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.81ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 75.3MB in the end (delta: -21.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.23ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 72.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,523 INFO L158 Benchmark]: Boogie Preprocessor took 24.84ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,524 INFO L158 Benchmark]: RCFGBuilder took 505.76ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 82.3MB in the end (delta: -11.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,524 INFO L158 Benchmark]: BuchiAutomizer took 3717.58ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.3MB in the beginning and 88.9MB in the end (delta: -6.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,525 INFO L158 Benchmark]: Witness Printer took 45.82ms. Allocated memory is still 132.1MB. Free memory was 88.9MB in the beginning and 85.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-23 15:25:01,528 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 90.2MB. Free memory was 58.9MB in the beginning and 58.9MB in the end (delta: 26.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.81ms. Allocated memory was 90.2MB in the beginning and 109.1MB in the end (delta: 18.9MB). Free memory was 53.9MB in the beginning and 75.3MB in the end (delta: -21.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.23ms. Allocated memory is still 109.1MB. Free memory was 75.3MB in the beginning and 72.6MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.84ms. Allocated memory is still 109.1MB. Free memory was 72.6MB in the beginning and 70.8MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 505.76ms. Allocated memory is still 109.1MB. Free memory was 70.8MB in the beginning and 82.3MB in the end (delta: -11.5MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 3717.58ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 82.3MB in the beginning and 88.9MB in the end (delta: -6.6MB). Peak memory consumption was 69.1MB. Max. memory is 16.1GB. * Witness Printer took 45.82ms. Allocated memory is still 132.1MB. Free memory was 88.9MB in the beginning and 85.8MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -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, 362 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 362 mSDsluCounter, 124 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 120 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 868]: 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@652cfc4e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6b0f3e3f=29, NULL=0, head=0, pumpRunning=0, tmp___0=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4b0da3ec=0, NULL=1, methaneLevelCritical=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, retValue_acc=0, tmp___2=0, cleanupTimeShifts=4, \result=0, tmp=1, tmp=0, head=0, tmp___1=29, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a014e9f=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@54548a55=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@705487a6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@301006cb=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@448dee45=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 868]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L95] int waterLevel = 1; [L96] int methaneLevelCritical = 0; [L212] int cleanupTimeShifts = 4; [L314] int pumpRunning = 0; [L315] int systemActive = 1; [L661] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L288] int retValue_acc ; [L289] int tmp ; [L293] FCALL select_helpers() [L294] FCALL select_features() [L295] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L295] RET, EXPR valid_product() [L295] tmp = valid_product() [L297] COND TRUE \read(tmp) [L299] FCALL setup() [L300] CALL runTest() [L282] CALL test() [L859] int splverifierCounter ; [L860] int tmp ; [L861] int tmp___0 ; [L862] int tmp___1 ; [L863] int tmp___2 ; [L866] splverifierCounter = 0 Loop: [L868] COND TRUE 1 [L870] COND TRUE splverifierCounter < 4 [L876] tmp = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp)) [L886] tmp___0 = __VERIFIER_nondet_int() [L888] COND FALSE !(\read(tmp___0)) [L896] tmp___2 = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp___2)) [L904] tmp___1 = __VERIFIER_nondet_int() [L906] COND TRUE \read(tmp___1) [L913] CALL timeShift() [L321] COND FALSE !(\read(pumpRunning)) [L328] COND TRUE \read(systemActive) [L330] CALL processEnvironment() [L350] int tmp ; [L353] COND FALSE !(\read(pumpRunning)) [L368] FCALL processEnvironment__wrappee__base() [L330] RET processEnvironment() [L336] CALL __utac_acc__Specification1_spec__1() [L187] int tmp ; [L188] int tmp___0 ; [L192] CALL, EXPR isMethaneLevelCritical() [L134] int retValue_acc ; [L137] retValue_acc = methaneLevelCritical [L138] return (retValue_acc); [L192] RET, EXPR isMethaneLevelCritical() [L192] tmp = isMethaneLevelCritical() [L194] COND FALSE !(\read(tmp)) [L336] RET __utac_acc__Specification1_spec__1() [L913] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-23 15:25:01,576 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)