./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e19ca921 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_spec4_product10.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 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a --- Real Ultimate output --- This is Ultimate 0.2.2-dev-e19ca92 [2021-12-22 20:25:35,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-22 20:25:35,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-22 20:25:35,752 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-22 20:25:35,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-22 20:25:35,755 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-22 20:25:35,757 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-22 20:25:35,759 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-22 20:25:35,760 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-22 20:25:35,765 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-22 20:25:35,766 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-22 20:25:35,767 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-22 20:25:35,768 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-22 20:25:35,770 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-22 20:25:35,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-22 20:25:35,779 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-22 20:25:35,780 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-22 20:25:35,781 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-22 20:25:35,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-22 20:25:35,782 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-22 20:25:35,783 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-22 20:25:35,785 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-22 20:25:35,786 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-22 20:25:35,787 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-22 20:25:35,795 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-22 20:25:35,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-22 20:25:35,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-22 20:25:35,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-22 20:25:35,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-22 20:25:35,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-22 20:25:35,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-22 20:25:35,800 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-22 20:25:35,801 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-22 20:25:35,802 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-22 20:25:35,803 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-22 20:25:35,803 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-22 20:25:35,804 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-22 20:25:35,805 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-22 20:25:35,805 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-22 20:25:35,806 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-22 20:25:35,806 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-22 20:25:35,807 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-12-22 20:25:35,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-22 20:25:35,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-22 20:25:35,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-22 20:25:35,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-22 20:25:35,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-22 20:25:35,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-22 20:25:35,840 INFO L138 SettingsManager]: * Use SBE=true [2021-12-22 20:25:35,841 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-22 20:25:35,841 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-22 20:25:35,841 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-22 20:25:35,842 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-22 20:25:35,842 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-22 20:25:35,842 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-22 20:25:35,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-22 20:25:35,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-22 20:25:35,844 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-22 20:25:35,845 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-22 20:25:35,845 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-22 20:25:35,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-22 20:25:35,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-22 20:25:35,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-22 20:25:35,846 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-22 20:25:35,847 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-22 20:25:35,847 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 38e7b274bf01bc93682679c1667a8f3cd31c3ce4f0d8668fbdf6f2f9baca870a [2021-12-22 20:25:36,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-22 20:25:36,078 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-22 20:25:36,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-22 20:25:36,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-22 20:25:36,081 INFO L275 PluginConnector]: CDTParser initialized [2021-12-22 20:25:36,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-12-22 20:25:36,138 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70596a1/8da43b40eeb4490d91a09d7577697aaf/FLAGc427bdb78 [2021-12-22 20:25:36,540 INFO L306 CDTParser]: Found 1 translation units. [2021-12-22 20:25:36,552 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product10.cil.c [2021-12-22 20:25:36,562 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70596a1/8da43b40eeb4490d91a09d7577697aaf/FLAGc427bdb78 [2021-12-22 20:25:36,574 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c70596a1/8da43b40eeb4490d91a09d7577697aaf [2021-12-22 20:25:36,575 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-22 20:25:36,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-22 20:25:36,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-22 20:25:36,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-22 20:25:36,587 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-22 20:25:36,587 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:36,588 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ffaa30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36, skipping insertion in model container [2021-12-22 20:25:36,588 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:36,596 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-22 20:25:36,640 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-22 20:25:36,827 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_spec4_product10.cil.c[11718,11731] [2021-12-22 20:25:36,858 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:25:36,868 INFO L203 MainTranslator]: Completed pre-run [2021-12-22 20:25:36,920 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_spec4_product10.cil.c[11718,11731] [2021-12-22 20:25:36,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-22 20:25:36,957 INFO L208 MainTranslator]: Completed translation [2021-12-22 20:25:36,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36 WrapperNode [2021-12-22 20:25:36,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-22 20:25:36,958 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-22 20:25:36,959 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-22 20:25:36,959 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-22 20:25:36,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:36,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,020 INFO L137 Inliner]: procedures = 51, calls = 147, calls flagged for inlining = 44, calls inlined = 33, statements flattened = 281 [2021-12-22 20:25:37,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-22 20:25:37,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-22 20:25:37,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-22 20:25:37,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-22 20:25:37,030 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,049 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,060 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-22 20:25:37,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-22 20:25:37,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-22 20:25:37,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-22 20:25:37,063 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (1/1) ... [2021-12-22 20:25:37,069 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-22 20:25:37,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-22 20:25:37,088 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) [2021-12-22 20:25:37,089 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 [2021-12-22 20:25:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-22 20:25:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-22 20:25:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-22 20:25:37,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-22 20:25:37,181 INFO L234 CfgBuilder]: Building ICFG [2021-12-22 20:25:37,182 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-22 20:25:37,350 INFO L275 CfgBuilder]: Performing block encoding [2021-12-22 20:25:37,356 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-22 20:25:37,356 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-22 20:25:37,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:25:37 BoogieIcfgContainer [2021-12-22 20:25:37,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-22 20:25:37,358 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-22 20:25:37,359 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-22 20:25:37,361 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-22 20:25:37,361 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:25:37,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.12 08:25:36" (1/3) ... [2021-12-22 20:25:37,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f473c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:25:37, skipping insertion in model container [2021-12-22 20:25:37,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:25:37,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 08:25:36" (2/3) ... [2021-12-22 20:25:37,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f473c33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.12 08:25:37, skipping insertion in model container [2021-12-22 20:25:37,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-22 20:25:37,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:25:37" (3/3) ... [2021-12-22 20:25:37,364 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10.cil.c [2021-12-22 20:25:37,392 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-22 20:25:37,392 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-22 20:25:37,392 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-22 20:25:37,392 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-22 20:25:37,392 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-22 20:25:37,393 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-22 20:25:37,393 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-22 20:25:37,393 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-22 20:25:37,403 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2021-12-22 20:25:37,417 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-12-22 20:25:37,418 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:25:37,418 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:25:37,422 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,422 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,422 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-22 20:25:37,423 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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) [2021-12-22 20:25:37,427 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-12-22 20:25:37,427 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:25:37,427 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:25:37,428 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,428 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,431 INFO L791 eck$LassoCheckResult]: Stem: 61#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 46#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 13#L866true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 59#L859true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 15#L874true main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 44#L544true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 20#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#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; 53#L707-2true [2021-12-22 20:25:37,432 INFO L793 eck$LassoCheckResult]: Loop: 53#L707-2true assume !false; 14#L708true assume test_~splverifierCounter~0#1 < 4; 55#L709true test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 25#L717true assume !(0 != test_~tmp~6#1); 41#L717-2true test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 19#L727true assume !(0 != test_~tmp___0~1#1); 37#L727-2true test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 33#L737true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 65#L693true assume { :end_inline_startSystem } true; 57#L745-2true assume { :begin_inline_timeShift } true; 63#L571true assume !(0 != ~pumpRunning~0); 42#L571-2true assume !(0 != ~systemActive~0); 56#L578-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 39#L839true __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 6#L61true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 51#L61-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 28#L588true assume { :end_inline_timeShift } true; 53#L707-2true [2021-12-22 20:25:37,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:25:37,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2021-12-22 20:25:37,442 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:25:37,442 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334218657] [2021-12-22 20:25:37,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:25:37,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:25:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,519 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:25:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,556 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:25:37,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:25:37,561 INFO L85 PathProgramCache]: Analyzing trace with hash 289308929, now seen corresponding path program 1 times [2021-12-22 20:25:37,562 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:25:37,562 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693126233] [2021-12-22 20:25:37,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:25:37,563 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:25:37,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-22 20:25:37,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-22 20:25:37,647 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-22 20:25:37,647 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693126233] [2021-12-22 20:25:37,647 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693126233] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-22 20:25:37,647 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-22 20:25:37,648 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-12-22 20:25:37,648 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208312825] [2021-12-22 20:25:37,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-22 20:25:37,654 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-12-22 20:25:37,654 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-22 20:25:37,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-22 20:25:37,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-12-22 20:25:37,683 INFO L87 Difference]: Start difference. First operand has 76 states, 75 states have (on average 1.3733333333333333) internal successors, (103), 75 states have internal predecessors, (103), 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 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2021-12-22 20:25:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-22 20:25:37,729 INFO L93 Difference]: Finished difference Result 73 states and 90 transitions. [2021-12-22 20:25:37,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-22 20:25:37,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 73 states and 90 transitions. [2021-12-22 20:25:37,743 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-12-22 20:25:37,746 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 73 states to 63 states and 79 transitions. [2021-12-22 20:25:37,747 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 63 [2021-12-22 20:25:37,747 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 63 [2021-12-22 20:25:37,748 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 79 transitions. [2021-12-22 20:25:37,748 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-22 20:25:37,748 INFO L681 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-22 20:25:37,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 79 transitions. [2021-12-22 20:25:37,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2021-12-22 20:25:37,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 63 states have (on average 1.253968253968254) internal successors, (79), 62 states have internal predecessors, (79), 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) [2021-12-22 20:25:37,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions. [2021-12-22 20:25:37,774 INFO L704 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-22 20:25:37,774 INFO L587 BuchiCegarLoop]: Abstraction has 63 states and 79 transitions. [2021-12-22 20:25:37,775 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-22 20:25:37,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 63 states and 79 transitions. [2021-12-22 20:25:37,778 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-12-22 20:25:37,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-22 20:25:37,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-22 20:25:37,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,780 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-22 20:25:37,780 INFO L791 eck$LassoCheckResult]: Stem: 218#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(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(3, 17);call write~init~int(79, 17, 0, 1);call write~init~int(110, 17, 1, 1);call write~init~int(0, 17, 2, 1);call #Ultimate.allocInit(4, 18);call write~init~int(79, 18, 0, 1);call write~init~int(102, 18, 1, 1);call write~init~int(102, 18, 2, 1);call write~init~int(0, 18, 3, 1);call #Ultimate.allocInit(7, 19);call write~init~int(44, 19, 0, 1);call write~init~int(80, 19, 1, 1);call write~init~int(117, 19, 2, 1);call write~init~int(109, 19, 3, 1);call write~init~int(112, 19, 4, 1);call write~init~int(58, 19, 5, 1);call write~init~int(0, 19, 6, 1);call #Ultimate.allocInit(3, 20);call write~init~int(79, 20, 0, 1);call write~init~int(110, 20, 1, 1);call write~init~int(0, 20, 2, 1);call #Ultimate.allocInit(4, 21);call write~init~int(79, 21, 0, 1);call write~init~int(102, 21, 1, 1);call write~init~int(102, 21, 2, 1);call write~init~int(0, 21, 3, 1);call #Ultimate.allocInit(3, 22);call write~init~int(41, 22, 0, 1);call write~init~int(32, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(2, 23);call write~init~int(10, 23, 0, 1);call write~init~int(0, 23, 1, 1);call #Ultimate.allocInit(13, 24);call #Ultimate.allocInit(7, 25);call write~init~int(44, 25, 0, 1);call write~init~int(77, 25, 1, 1);call write~init~int(101, 25, 2, 1);call write~init~int(116, 25, 3, 1);call write~init~int(104, 25, 4, 1);call write~init~int(58, 25, 5, 1);call write~init~int(0, 25, 6, 1);call #Ultimate.allocInit(5, 26);call write~init~int(67, 26, 0, 1);call write~init~int(82, 26, 1, 1);call write~init~int(73, 26, 2, 1);call write~init~int(84, 26, 3, 1);call write~init~int(0, 26, 4, 1);call #Ultimate.allocInit(3, 27);call write~init~int(79, 27, 0, 1);call write~init~int(75, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(41, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 209#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~3#1, main_~tmp~4#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~4#1;assume { :begin_inline_select_helpers } true; 171#L866 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 172#L859 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~9#1;havoc valid_product_~retValue_acc~9#1;valid_product_~retValue_acc~9#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~9#1; 176#L874 main_#t~ret29#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret29#1;havoc main_#t~ret29#1; 177#L544 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 186#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet40#1, test_#t~nondet41#1, test_#t~nondet42#1, test_#t~nondet43#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; 187#L707-2 [2021-12-22 20:25:37,780 INFO L793 eck$LassoCheckResult]: Loop: 187#L707-2 assume !false; 173#L708 assume test_~splverifierCounter~0#1 < 4; 174#L709 test_~tmp~6#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1; 191#L717 assume !(0 != test_~tmp~6#1); 193#L717-2 test_~tmp___0~1#1 := test_#t~nondet41#1;havoc test_#t~nondet41#1; 182#L727 assume !(0 != test_~tmp___0~1#1); 184#L727-2 test_~tmp___2~0#1 := test_#t~nondet42#1;havoc test_#t~nondet42#1; 200#L737 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 169#L745 assume 0 != test_~tmp___1~0#1; 170#L745-2 assume { :begin_inline_timeShift } true; 215#L571 assume !(0 != ~pumpRunning~0); 204#L571-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 205#L595 assume { :end_inline_processEnvironment } true; 214#L578-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret4#1, __utac_acc__Specification4_spec__1_#t~ret5#1, __utac_acc__Specification4_spec__1_~tmp~0#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~0#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~7#1;havoc getWaterLevel_~retValue_acc~7#1;getWaterLevel_~retValue_acc~7#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~7#1; 202#L839 __utac_acc__Specification4_spec__1_#t~ret4#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0#1 := __utac_acc__Specification4_spec__1_#t~ret4#1;havoc __utac_acc__Specification4_spec__1_#t~ret4#1; 158#L61 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0#1); 159#L61-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 196#L588 assume { :end_inline_timeShift } true; 187#L707-2 [2021-12-22 20:25:37,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:25:37,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2021-12-22 20:25:37,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:25:37,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844117299] [2021-12-22 20:25:37,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:25:37,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:25:37,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,820 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:25:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,840 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:25:37,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:25:37,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1426283493, now seen corresponding path program 1 times [2021-12-22 20:25:37,843 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:25:37,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445968378] [2021-12-22 20:25:37,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:25:37,846 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:25:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,859 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:25:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,865 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:25:37,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-22 20:25:37,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1686042455, now seen corresponding path program 1 times [2021-12-22 20:25:37,868 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-22 20:25:37,868 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507693218] [2021-12-22 20:25:37,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-22 20:25:37,869 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-22 20:25:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,891 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-22 20:25:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-22 20:25:37,912 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-22 20:25:40,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.12 08:25:40 BoogieIcfgContainer [2021-12-22 20:25:40,387 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-22 20:25:40,388 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-22 20:25:40,388 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-22 20:25:40,388 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-22 20:25:40,388 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 08:25:37" (3/4) ... [2021-12-22 20:25:40,399 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-12-22 20:25:40,456 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-22 20:25:40,457 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-22 20:25:40,457 INFO L158 Benchmark]: Toolchain (without parser) took 3880.79ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 84.6MB in the beginning and 168.0MB in the end (delta: -83.4MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,457 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:25:40,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.26ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 80.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,458 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.19ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,458 INFO L158 Benchmark]: Boogie Preprocessor took 37.51ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-22 20:25:40,459 INFO L158 Benchmark]: RCFGBuilder took 295.78ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 61.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,459 INFO L158 Benchmark]: BuchiAutomizer took 3028.28ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 61.0MB in the beginning and 87.0MB in the end (delta: -26.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,459 INFO L158 Benchmark]: Witness Printer took 69.00ms. Allocated memory is still 197.1MB. Free memory was 87.0MB in the beginning and 168.0MB in the end (delta: -81.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-22 20:25:40,460 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 111.1MB. Free memory was 68.8MB in the beginning and 68.8MB in the end (delta: 51.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.26ms. Allocated memory is still 111.1MB. Free memory was 84.4MB in the beginning and 80.1MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.19ms. Allocated memory is still 111.1MB. Free memory was 80.1MB in the beginning and 77.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.51ms. Allocated memory is still 111.1MB. Free memory was 77.5MB in the beginning and 76.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 295.78ms. Allocated memory is still 111.1MB. Free memory was 76.1MB in the beginning and 61.2MB in the end (delta: 14.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * BuchiAutomizer took 3028.28ms. Allocated memory was 111.1MB in the beginning and 197.1MB in the end (delta: 86.0MB). Free memory was 61.0MB in the beginning and 87.0MB in the end (delta: -26.0MB). Peak memory consumption was 63.5MB. Max. memory is 16.1GB. * Witness Printer took 69.00ms. Allocated memory is still 197.1MB. Free memory was 87.0MB in the beginning and 168.0MB in the end (delta: -81.0MB). 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 3 locations. The remainder module has 63 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 63 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 85 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 85 mSDsluCounter, 87 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 87 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 707]: 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@44876e59=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, NULL=1, tmp___0=0, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f18376c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77d7a0d=0, methaneLevelCritical=0, retValue_acc=1, retValue_acc=0, \result=1, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a36de4e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3739929f=0, tmp___2=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@d20741f=29, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5462c3ed=0, \result=0, head=0, \result=1, tmp___1=29, NULL=0, waterLevel=1, systemActive=1, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 707]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L248] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L454] int cleanupTimeShifts = 4; [L564] int pumpRunning = 0; [L565] int systemActive = 1; [L764] int waterLevel = 1; [L765] int methaneLevelCritical = 0; [L535] int retValue_acc ; [L536] int tmp ; [L540] FCALL select_helpers() [L541] FCALL select_features() [L542] CALL, EXPR valid_product() [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); [L542] RET, EXPR valid_product() [L542] tmp = valid_product() [L544] COND TRUE \read(tmp) [L546] FCALL setup() [L547] CALL runTest() [L526] CALL test() [L698] int splverifierCounter ; [L699] int tmp ; [L700] int tmp___0 ; [L701] int tmp___1 ; [L702] int tmp___2 ; [L705] splverifierCounter = 0 Loop: [L707] COND TRUE 1 [L709] COND TRUE splverifierCounter < 4 [L715] tmp = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp)) [L725] tmp___0 = __VERIFIER_nondet_int() [L727] COND FALSE !(\read(tmp___0)) [L735] tmp___2 = __VERIFIER_nondet_int() [L737] COND FALSE !(\read(tmp___2)) [L743] tmp___1 = __VERIFIER_nondet_int() [L745] COND TRUE \read(tmp___1) [L752] CALL timeShift() [L571] COND FALSE !(\read(pumpRunning)) [L578] COND TRUE \read(systemActive) [L580] FCALL processEnvironment() [L586] CALL __utac_acc__Specification4_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR getWaterLevel() [L835] int retValue_acc ; [L838] retValue_acc = waterLevel [L839] return (retValue_acc); [L59] RET, EXPR getWaterLevel() [L59] tmp = getWaterLevel() [L61] COND FALSE !(tmp == 0) [L586] RET __utac_acc__Specification4_spec__1() [L752] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-12-22 20:25:40,489 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)