./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 35987657 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product17.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 aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-22 02:36:25,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-22 02:36:25,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-22 02:36:25,721 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-22 02:36:25,721 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-22 02:36:25,722 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-22 02:36:25,723 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-22 02:36:25,725 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-22 02:36:25,727 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-22 02:36:25,729 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-22 02:36:25,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-22 02:36:25,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-22 02:36:25,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-22 02:36:25,753 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-22 02:36:25,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-22 02:36:25,757 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-22 02:36:25,758 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-22 02:36:25,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-22 02:36:25,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-22 02:36:25,760 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-22 02:36:25,761 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-22 02:36:25,762 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-22 02:36:25,763 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-22 02:36:25,764 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-22 02:36:25,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-22 02:36:25,766 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-22 02:36:25,767 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-22 02:36:25,767 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-22 02:36:25,767 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-22 02:36:25,768 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-22 02:36:25,768 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-22 02:36:25,769 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-22 02:36:25,769 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-22 02:36:25,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-22 02:36:25,770 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-22 02:36:25,771 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-22 02:36:25,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-22 02:36:25,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-22 02:36:25,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-22 02:36:25,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-22 02:36:25,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-22 02:36:25,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-22 02:36:25,776 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-22 02:36:25,801 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-22 02:36:25,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-22 02:36:25,803 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-22 02:36:25,803 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-22 02:36:25,804 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-22 02:36:25,804 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-22 02:36:25,805 INFO L138 SettingsManager]: * Use SBE=true [2022-07-22 02:36:25,805 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-22 02:36:25,805 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-22 02:36:25,806 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-22 02:36:25,806 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-22 02:36:25,806 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-22 02:36:25,806 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-22 02:36:25,806 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-22 02:36:25,806 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-22 02:36:25,807 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-22 02:36:25,808 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-22 02:36:25,808 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-22 02:36:25,808 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-22 02:36:25,808 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-22 02:36:25,808 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-22 02:36:25,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-22 02:36:25,809 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-22 02:36:25,809 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-22 02:36:25,809 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-22 02:36:25,809 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-22 02:36:25,811 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-22 02:36:25,811 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad3ab8030ba6efc9aa26d5b15397d543c60fbb947c2251c044256001907063f [2022-07-22 02:36:26,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-22 02:36:26,108 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-22 02:36:26,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-22 02:36:26,111 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-22 02:36:26,111 INFO L275 PluginConnector]: CDTParser initialized [2022-07-22 02:36:26,113 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2022-07-22 02:36:26,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914811d25/2b648e4445774f6997fd9da02ef5000a/FLAG98b7128e1 [2022-07-22 02:36:26,546 INFO L306 CDTParser]: Found 1 translation units. [2022-07-22 02:36:26,546 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product17.cil.c [2022-07-22 02:36:26,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914811d25/2b648e4445774f6997fd9da02ef5000a/FLAG98b7128e1 [2022-07-22 02:36:26,570 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/914811d25/2b648e4445774f6997fd9da02ef5000a [2022-07-22 02:36:26,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-22 02:36:26,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-22 02:36:26,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:26,574 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-22 02:36:26,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-22 02:36:26,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:26,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cc0bf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26, skipping insertion in model container [2022-07-22 02:36:26,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:26,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-22 02:36:26,624 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-22 02:36:26,864 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_product17.cil.c[13023,13036] [2022-07-22 02:36:26,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:26,901 INFO L203 MainTranslator]: Completed pre-run [2022-07-22 02:36:26,944 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_product17.cil.c[13023,13036] [2022-07-22 02:36:26,956 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-22 02:36:26,968 INFO L208 MainTranslator]: Completed translation [2022-07-22 02:36:26,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26 WrapperNode [2022-07-22 02:36:26,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-22 02:36:26,970 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:26,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-22 02:36:26,970 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-22 02:36:26,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:26,983 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,023 INFO L137 Inliner]: procedures = 52, calls = 149, calls flagged for inlining = 46, calls inlined = 47, statements flattened = 377 [2022-07-22 02:36:27,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-22 02:36:27,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-22 02:36:27,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-22 02:36:27,027 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-22 02:36:27,033 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,065 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-22 02:36:27,070 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-22 02:36:27,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-22 02:36:27,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-22 02:36:27,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (1/1) ... [2022-07-22 02:36:27,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-22 02:36:27,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-22 02:36:27,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-22 02:36:27,118 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-22 02:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-22 02:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-22 02:36:27,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-22 02:36:27,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-22 02:36:27,184 INFO L234 CfgBuilder]: Building ICFG [2022-07-22 02:36:27,200 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-22 02:36:27,422 INFO L275 CfgBuilder]: Performing block encoding [2022-07-22 02:36:27,429 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-22 02:36:27,432 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-22 02:36:27,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27 BoogieIcfgContainer [2022-07-22 02:36:27,434 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-22 02:36:27,435 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-22 02:36:27,435 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-22 02:36:27,437 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-22 02:36:27,437 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,438 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.07 02:36:26" (1/3) ... [2022-07-22 02:36:27,438 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d1728b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:27, skipping insertion in model container [2022-07-22 02:36:27,438 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.07 02:36:26" (2/3) ... [2022-07-22 02:36:27,439 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2d1728b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.07 02:36:27, skipping insertion in model container [2022-07-22 02:36:27,439 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-22 02:36:27,439 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27" (3/3) ... [2022-07-22 02:36:27,440 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product17.cil.c [2022-07-22 02:36:27,496 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-22 02:36:27,496 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-22 02:36:27,496 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-22 02:36:27,496 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-22 02:36:27,496 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-22 02:36:27,497 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-22 02:36:27,497 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-22 02:36:27,497 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-22 02:36:27,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:36:27,520 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:36:27,521 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:27,521 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:27,525 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:27,525 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:27,525 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-22 02:36:27,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:36:27,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-07-22 02:36:27,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:27,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:27,532 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:27,532 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:27,535 INFO L752 eck$LassoCheckResult]: Stem: 92#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; 36#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; 89#L892true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 48#L885true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 71#L900true 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; 70#L535true assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 24#L508true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 86#L815-2true [2022-07-22 02:36:27,536 INFO L754 eck$LassoCheckResult]: Loop: 86#L815-2true assume !false; 59#L816true assume test_~splverifierCounter~0#1 < 4; 52#L817true test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 96#L825true assume !(0 != test_~tmp~7#1); 97#L825-2true test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 94#L835true assume !(0 != test_~tmp___0~2#1); 7#L835-2true test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 91#L845true assume 0 != test_~tmp___2~0#1; 55#L851-2true assume { :begin_inline_timeShift } true; 34#L570true assume !(0 != ~pumpRunning~0); 46#L570-2true assume !(0 != ~systemActive~0); 41#L577-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 29#L759true __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 60#L61true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 87#L61-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 99#L587true assume { :end_inline_timeShift } true; 86#L815-2true [2022-07-22 02:36:27,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-22 02:36:27,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [603602548] [2022-07-22 02:36:27,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,642 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,706 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash -828886172, now seen corresponding path program 1 times [2022-07-22 02:36:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647707800] [2022-07-22 02:36:27,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,728 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:27,736 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:27,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:27,740 INFO L85 PathProgramCache]: Analyzing trace with hash 526532904, now seen corresponding path program 1 times [2022-07-22 02:36:27,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:27,740 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1517639385] [2022-07-22 02:36:27,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:27,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-22 02:36:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-22 02:36:27,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-22 02:36:27,864 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1517639385] [2022-07-22 02:36:27,865 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1517639385] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-22 02:36:27,865 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-22 02:36:27,865 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-22 02:36:27,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1192733096] [2022-07-22 02:36:27,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-22 02:36:27,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-22 02:36:28,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-22 02:36:28,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-22 02:36:28,009 INFO L87 Difference]: Start difference. First operand has 102 states, 101 states have (on average 1.3663366336633664) internal successors, (138), 101 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:36:28,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-22 02:36:28,065 INFO L93 Difference]: Finished difference Result 99 states and 124 transitions. [2022-07-22 02:36:28,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-22 02:36:28,070 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 99 states and 124 transitions. [2022-07-22 02:36:28,074 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:36:28,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 99 states to 89 states and 114 transitions. [2022-07-22 02:36:28,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 89 [2022-07-22 02:36:28,085 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 89 [2022-07-22 02:36:28,086 INFO L73 IsDeterministic]: Start isDeterministic. Operand 89 states and 114 transitions. [2022-07-22 02:36:28,087 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-22 02:36:28,087 INFO L369 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:36:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states and 114 transitions. [2022-07-22 02:36:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2022-07-22 02:36:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 89 states, 89 states have (on average 1.2808988764044944) internal successors, (114), 88 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-22 02:36:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 114 transitions. [2022-07-22 02:36:28,111 INFO L392 hiAutomatonCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:36:28,111 INFO L374 stractBuchiCegarLoop]: Abstraction has 89 states and 114 transitions. [2022-07-22 02:36:28,111 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-22 02:36:28,111 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 89 states and 114 transitions. [2022-07-22 02:36:28,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 60 [2022-07-22 02:36:28,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-22 02:36:28,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-22 02:36:28,119 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,119 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-22 02:36:28,119 INFO L752 eck$LassoCheckResult]: Stem: 304#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; 296#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; 297#L892 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 302#L885 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 264#L900 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; 261#L535 assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true; 262#L508 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 280#L815-2 [2022-07-22 02:36:28,120 INFO L754 eck$LassoCheckResult]: Loop: 280#L815-2 assume !false; 226#L816 assume test_~splverifierCounter~0#1 < 4; 227#L817 test_~tmp~7#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 306#L825 assume !(0 != test_~tmp~7#1); 287#L825-2 test_~tmp___0~2#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 305#L835 assume !(0 != test_~tmp___0~2#1); 239#L835-2 test_~tmp___2~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 240#L845 assume 0 != test_~tmp___2~0#1; 250#L851-2 assume { :begin_inline_timeShift } true; 292#L570 assume !(0 != ~pumpRunning~0); 293#L570-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret30#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 246#L602 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 247#L594-1 assume { :end_inline_processEnvironment__wrappee__base } true; 273#L602-1 assume { :end_inline_processEnvironment } true; 291#L577-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret4#1, __utac_acc__Specification1_spec__1_#t~ret5#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~7#1;havoc isMethaneLevelCritical_~retValue_acc~7#1;isMethaneLevelCritical_~retValue_acc~7#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~7#1; 284#L759 __utac_acc__Specification1_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0#1 := __utac_acc__Specification1_spec__1_#t~ret4#1;havoc __utac_acc__Specification1_spec__1_#t~ret4#1; 229#L61 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0#1); 231#L61-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 298#L587 assume { :end_inline_timeShift } true; 280#L815-2 [2022-07-22 02:36:28,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,120 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-22 02:36:28,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,120 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583227919] [2022-07-22 02:36:28,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,135 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,169 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,170 INFO L85 PathProgramCache]: Analyzing trace with hash -646833821, now seen corresponding path program 1 times [2022-07-22 02:36:28,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348590520] [2022-07-22 02:36:28,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,176 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,181 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:28,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-22 02:36:28,181 INFO L85 PathProgramCache]: Analyzing trace with hash 1655309599, now seen corresponding path program 1 times [2022-07-22 02:36:28,181 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-22 02:36:28,181 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1061131782] [2022-07-22 02:36:28,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-22 02:36:28,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-22 02:36:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,201 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-22 02:36:28,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-22 02:36:28,219 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-22 02:36:30,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.07 02:36:30 BoogieIcfgContainer [2022-07-22 02:36:30,497 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-22 02:36:30,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-22 02:36:30,498 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-22 02:36:30,498 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-22 02:36:30,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.07 02:36:27" (3/4) ... [2022-07-22 02:36:30,500 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-22 02:36:30,548 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-22 02:36:30,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-22 02:36:30,550 INFO L158 Benchmark]: Toolchain (without parser) took 3977.20ms. Allocated memory was 48.2MB in the beginning and 115.3MB in the end (delta: 67.1MB). Free memory was 23.1MB in the beginning and 65.7MB in the end (delta: -42.6MB). Peak memory consumption was 26.7MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,551 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-22 02:36:30,552 INFO L158 Benchmark]: CACSL2BoogieTranslator took 395.35ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 23.0MB in the beginning and 40.4MB in the end (delta: -17.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,552 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.48ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 37.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,553 INFO L158 Benchmark]: Boogie Preprocessor took 41.62ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 36.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,553 INFO L158 Benchmark]: RCFGBuilder took 363.81ms. Allocated memory is still 65.0MB. Free memory was 36.0MB in the beginning and 32.4MB in the end (delta: 3.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,554 INFO L158 Benchmark]: BuchiAutomizer took 3062.49ms. Allocated memory was 65.0MB in the beginning and 115.3MB in the end (delta: 50.3MB). Free memory was 32.2MB in the beginning and 67.8MB in the end (delta: -35.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,554 INFO L158 Benchmark]: Witness Printer took 52.01ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-22 02:36:30,555 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 48.2MB. Free memory was 30.5MB in the beginning and 30.5MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 395.35ms. Allocated memory was 48.2MB in the beginning and 65.0MB in the end (delta: 16.8MB). Free memory was 23.0MB in the beginning and 40.4MB in the end (delta: -17.4MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.48ms. Allocated memory is still 65.0MB. Free memory was 40.4MB in the beginning and 37.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.62ms. Allocated memory is still 65.0MB. Free memory was 37.7MB in the beginning and 36.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 363.81ms. Allocated memory is still 65.0MB. Free memory was 36.0MB in the beginning and 32.4MB in the end (delta: 3.5MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 3062.49ms. Allocated memory was 65.0MB in the beginning and 115.3MB in the end (delta: 50.3MB). Free memory was 32.2MB in the beginning and 67.8MB in the end (delta: -35.6MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * Witness Printer took 52.01ms. Allocated memory is still 115.3MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 89 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. 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 -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, 471 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 471 mSDsluCounter, 123 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 119 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: 815]: 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@690508dc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@654ce9fe=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, tmp___0=0, retValue_acc=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3751f971=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21348e09=0, methaneLevelCritical=0, retValue_acc=0, retValue_acc=1, \result=0, \result=1, tmp___2=29, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, tmp=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@509f8c44=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1a0519cc=29, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@35939214=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7d1b5d5b=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 815]: 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; [L445] int cleanupTimeShifts = 4; [L563] int pumpRunning = 0; [L564] int systemActive = 1; [L716] int waterLevel = 1; [L717] int methaneLevelCritical = 0; [L526] int retValue_acc ; [L527] int tmp ; [L531] FCALL select_helpers() [L532] FCALL select_features() [L533] CALL, EXPR valid_product() [L896] int retValue_acc ; [L899] retValue_acc = 1 [L900] return (retValue_acc); [L533] RET, EXPR valid_product() [L533] tmp = valid_product() [L535] COND TRUE \read(tmp) [L537] FCALL setup() [L538] CALL runTest() [L517] CALL test() [L806] int splverifierCounter ; [L807] int tmp ; [L808] int tmp___0 ; [L809] int tmp___1 ; [L810] int tmp___2 ; [L813] splverifierCounter = 0 Loop: [L815] COND TRUE 1 [L817] COND TRUE splverifierCounter < 4 [L823] tmp = __VERIFIER_nondet_int() [L825] COND FALSE !(\read(tmp)) [L833] tmp___0 = __VERIFIER_nondet_int() [L835] COND FALSE !(\read(tmp___0)) [L843] tmp___2 = __VERIFIER_nondet_int() [L845] COND TRUE \read(tmp___2) [L858] CALL timeShift() [L570] COND FALSE !(\read(pumpRunning)) [L577] COND TRUE \read(systemActive) [L579] CALL processEnvironment() [L599] int tmp ; [L602] COND FALSE !(\read(pumpRunning)) [L617] FCALL processEnvironment__wrappee__base() [L579] RET processEnvironment() [L585] CALL __utac_acc__Specification1_spec__1() [L54] int tmp ; [L55] int tmp___0 ; [L59] CALL, EXPR isMethaneLevelCritical() [L755] int retValue_acc ; [L758] retValue_acc = methaneLevelCritical [L759] return (retValue_acc); [L59] RET, EXPR isMethaneLevelCritical() [L59] tmp = isMethaneLevelCritical() [L61] COND FALSE !(\read(tmp)) [L585] RET __utac_acc__Specification1_spec__1() [L858] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-22 02:36:30,594 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)