./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -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_product16.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 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:17:38,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:17:38,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:17:38,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:17:38,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:17:38,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:17:38,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:17:38,771 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:17:38,773 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:17:38,778 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:17:38,779 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:17:38,780 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:17:38,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:17:38,782 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:17:38,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:17:38,789 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:17:38,790 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:17:38,791 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:17:38,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:17:38,796 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:17:38,799 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:17:38,800 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:17:38,802 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:17:38,803 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:17:38,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:17:38,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:17:38,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:17:38,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:17:38,810 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:17:38,810 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:17:38,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:17:38,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:17:38,814 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:17:38,815 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:17:38,816 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:17:38,816 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:17:38,817 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:17:38,817 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:17:38,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:17:38,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:17:38,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:17:38,820 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:17:38,862 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:17:38,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:17:38,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:17:38,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:17:38,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:17:38,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:17:38,877 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:17:38,878 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:17:38,878 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:17:38,878 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:17:38,878 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:17:38,878 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:17:38,879 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:17:38,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:17:38,879 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:17:38,879 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:17:38,879 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:17:38,879 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:17:38,880 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:17:38,881 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:17:38,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:17:38,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:17:38,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:17:38,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:17:38,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:17:38,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:17:38,883 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:17:38,883 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2ec66100f9e2ac4db263cd9becb832e73074b4f7ebe73780c502623dad07d2b6 [2022-02-21 04:17:39,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:17:39,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:17:39,153 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:17:39,154 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:17:39,154 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:17:39,156 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-02-21 04:17:39,234 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9990e4cac/677b6a46b0b0436f8a437f41cfd60336/FLAG48a484338 [2022-02-21 04:17:39,668 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:17:39,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product16.cil.c [2022-02-21 04:17:39,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9990e4cac/677b6a46b0b0436f8a437f41cfd60336/FLAG48a484338 [2022-02-21 04:17:40,188 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9990e4cac/677b6a46b0b0436f8a437f41cfd60336 [2022-02-21 04:17:40,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:17:40,192 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:17:40,193 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:40,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:17:40,195 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:17:40,196 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14312b52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40, skipping insertion in model container [2022-02-21 04:17:40,197 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:17:40,223 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:17:40,437 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_product16.cil.c[14184,14197] [2022-02-21 04:17:40,451 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:40,458 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:17:40,543 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_product16.cil.c[14184,14197] [2022-02-21 04:17:40,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:17:40,587 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:17:40,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40 WrapperNode [2022-02-21 04:17:40,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:17:40,592 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:40,592 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:17:40,593 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:17:40,599 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,683 INFO L137 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 50, calls inlined = 50, statements flattened = 369 [2022-02-21 04:17:40,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:17:40,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:17:40,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:17:40,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:17:40,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,710 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,711 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,716 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,739 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:17:40,740 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:17:40,740 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:17:40,740 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:17:40,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (1/1) ... [2022-02-21 04:17:40,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:17:40,762 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:17:40,789 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) [2022-02-21 04:17:40,810 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 [2022-02-21 04:17:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:17:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:17:40,826 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:17:40,826 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:17:40,902 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:17:40,904 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:17:41,126 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:17:41,151 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:17:41,152 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:17:41,155 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:41 BoogieIcfgContainer [2022-02-21 04:17:41,156 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:17:41,157 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:17:41,157 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:17:41,160 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:17:41,160 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:41,160 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:17:40" (1/3) ... [2022-02-21 04:17:41,162 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@672427f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:41, skipping insertion in model container [2022-02-21 04:17:41,162 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:41,162 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:17:40" (2/3) ... [2022-02-21 04:17:41,163 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@672427f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:17:41, skipping insertion in model container [2022-02-21 04:17:41,163 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:17:41,163 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:41" (3/3) ... [2022-02-21 04:17:41,164 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product16.cil.c [2022-02-21 04:17:41,214 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:17:41,214 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:17:41,215 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:17:41,215 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:17:41,215 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:17:41,215 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:17:41,215 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:17:41,215 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:17:41,233 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-02-21 04:17:41,263 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:17:41,263 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:41,263 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:41,267 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,267 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,267 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:17:41,268 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-02-21 04:17:41,277 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 65 [2022-02-21 04:17:41,277 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:41,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:41,278 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,278 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:41,288 INFO L791 eck$LassoCheckResult]: Stem: 86#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(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 31#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 42#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 95#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 21#L83true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 92#L625true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 40#L601true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 58#L863-2true [2022-02-21 04:17:41,288 INFO L793 eck$LassoCheckResult]: Loop: 58#L863-2true assume !false; 80#L864true assume test_~splverifierCounter~0#1 < 4; 73#L865true test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 34#L873true assume !(0 != test_~tmp~7#1); 100#L873-2true test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 29#L883true assume !(0 != test_~tmp___0~1#1); 22#L883-2true test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 57#L893true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 4#L823true assume { :end_inline_startSystem } true; 75#L901-2true assume { :begin_inline_timeShift } true; 78#L661true assume !(0 != ~pumpRunning~0); 24#L661-2true assume !(0 != ~systemActive~0); 87#L668-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 64#L535true __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 91#L835true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 18#L835-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 74#L678true assume { :end_inline_timeShift } true; 58#L863-2true [2022-02-21 04:17:41,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:41,301 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:17:41,309 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:41,310 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1095890562] [2022-02-21 04:17:41,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:41,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,462 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:41,544 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:41,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:41,547 INFO L85 PathProgramCache]: Analyzing trace with hash 134246081, now seen corresponding path program 1 times [2022-02-21 04:17:41,547 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:41,549 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939961498] [2022-02-21 04:17:41,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:41,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:17:41,670 INFO L290 TraceCheckUtils]: 0: Hoare triple {107#true} assume !false; {107#true} is VALID [2022-02-21 04:17:41,674 INFO L290 TraceCheckUtils]: 1: Hoare triple {107#true} assume test_~splverifierCounter~0#1 < 4; {107#true} is VALID [2022-02-21 04:17:41,675 INFO L290 TraceCheckUtils]: 2: Hoare triple {107#true} test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {107#true} is VALID [2022-02-21 04:17:41,675 INFO L290 TraceCheckUtils]: 3: Hoare triple {107#true} assume !(0 != test_~tmp~7#1); {107#true} is VALID [2022-02-21 04:17:41,675 INFO L290 TraceCheckUtils]: 4: Hoare triple {107#true} test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {107#true} is VALID [2022-02-21 04:17:41,675 INFO L290 TraceCheckUtils]: 5: Hoare triple {107#true} assume !(0 != test_~tmp___0~1#1); {107#true} is VALID [2022-02-21 04:17:41,676 INFO L290 TraceCheckUtils]: 6: Hoare triple {107#true} test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; {107#true} is VALID [2022-02-21 04:17:41,677 INFO L290 TraceCheckUtils]: 7: Hoare triple {107#true} assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; {109#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,678 INFO L290 TraceCheckUtils]: 8: Hoare triple {109#(<= 1 ~systemActive~0)} assume { :end_inline_startSystem } true; {109#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,679 INFO L290 TraceCheckUtils]: 9: Hoare triple {109#(<= 1 ~systemActive~0)} assume { :begin_inline_timeShift } true; {109#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,679 INFO L290 TraceCheckUtils]: 10: Hoare triple {109#(<= 1 ~systemActive~0)} assume !(0 != ~pumpRunning~0); {109#(<= 1 ~systemActive~0)} is VALID [2022-02-21 04:17:41,680 INFO L290 TraceCheckUtils]: 11: Hoare triple {109#(<= 1 ~systemActive~0)} assume !(0 != ~systemActive~0); {108#false} is VALID [2022-02-21 04:17:41,681 INFO L290 TraceCheckUtils]: 12: Hoare triple {108#false} assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; {108#false} is VALID [2022-02-21 04:17:41,681 INFO L290 TraceCheckUtils]: 13: Hoare triple {108#false} __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; {108#false} is VALID [2022-02-21 04:17:41,681 INFO L290 TraceCheckUtils]: 14: Hoare triple {108#false} assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); {108#false} is VALID [2022-02-21 04:17:41,682 INFO L290 TraceCheckUtils]: 15: Hoare triple {108#false} assume { :end_inline___utac_acc__Specification4_spec__1 } true; {108#false} is VALID [2022-02-21 04:17:41,682 INFO L290 TraceCheckUtils]: 16: Hoare triple {108#false} assume { :end_inline_timeShift } true; {108#false} is VALID [2022-02-21 04:17:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:17:41,684 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:17:41,684 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939961498] [2022-02-21 04:17:41,685 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [939961498] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:17:41,685 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:17:41,685 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-21 04:17:41,685 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915199088] [2022-02-21 04:17:41,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:17:41,690 INFO L808 eck$LassoCheckResult]: loop already infeasible [2022-02-21 04:17:41,691 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:17:41,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-21 04:17:41,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-21 04:17:41,725 INFO L87 Difference]: Start difference. First operand has 101 states, 100 states have (on average 1.35) internal successors, (135), 100 states have internal predecessors, (135), 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) [2022-02-21 04:17:41,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:41,994 INFO L93 Difference]: Finished difference Result 187 states and 237 transitions. [2022-02-21 04:17:41,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-21 04:17:41,996 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 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) [2022-02-21 04:17:42,012 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 17 edges. 17 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:17:42,017 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 187 states and 237 transitions. [2022-02-21 04:17:42,034 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 120 [2022-02-21 04:17:42,043 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 187 states to 167 states and 216 transitions. [2022-02-21 04:17:42,044 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 167 [2022-02-21 04:17:42,044 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 167 [2022-02-21 04:17:42,045 INFO L73 IsDeterministic]: Start isDeterministic. Operand 167 states and 216 transitions. [2022-02-21 04:17:42,045 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:17:42,046 INFO L681 BuchiCegarLoop]: Abstraction has 167 states and 216 transitions. [2022-02-21 04:17:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states and 216 transitions. [2022-02-21 04:17:42,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 164. [2022-02-21 04:17:42,073 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:17:42,079 INFO L82 GeneralOperation]: Start isEquivalent. First operand 167 states and 216 transitions. Second operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2022-02-21 04:17:42,080 INFO L74 IsIncluded]: Start isIncluded. First operand 167 states and 216 transitions. Second operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2022-02-21 04:17:42,081 INFO L87 Difference]: Start difference. First operand 167 states and 216 transitions. Second operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2022-02-21 04:17:42,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:42,088 INFO L93 Difference]: Finished difference Result 167 states and 216 transitions. [2022-02-21 04:17:42,089 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2022-02-21 04:17:42,091 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:42,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:42,093 INFO L74 IsIncluded]: Start isIncluded. First operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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 167 states and 216 transitions. [2022-02-21 04:17:42,094 INFO L87 Difference]: Start difference. First operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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 167 states and 216 transitions. [2022-02-21 04:17:42,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:17:42,100 INFO L93 Difference]: Finished difference Result 167 states and 216 transitions. [2022-02-21 04:17:42,101 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 216 transitions. [2022-02-21 04:17:42,105 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:17:42,105 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:17:42,105 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:17:42,106 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:17:42,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 164 states have (on average 1.2926829268292683) internal successors, (212), 163 states have internal predecessors, (212), 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) [2022-02-21 04:17:42,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 212 transitions. [2022-02-21 04:17:42,117 INFO L704 BuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-02-21 04:17:42,117 INFO L587 BuchiCegarLoop]: Abstraction has 164 states and 212 transitions. [2022-02-21 04:17:42,117 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:17:42,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 164 states and 212 transitions. [2022-02-21 04:17:42,118 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 117 [2022-02-21 04:17:42,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:17:42,119 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:17:42,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:42,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:17:42,120 INFO L791 eck$LassoCheckResult]: Stem: 383#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(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1; 373#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 374#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 392#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 356#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 357#L625 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 387#L601 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet47#1, test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~7#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 394#L863-2 [2022-02-21 04:17:42,120 INFO L793 eck$LassoCheckResult]: Loop: 394#L863-2 assume !false; 432#L864 assume test_~splverifierCounter~0#1 < 4; 367#L865 test_~tmp~7#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 368#L873 assume !(0 != test_~tmp~7#1); 339#L873-2 test_~tmp___0~1#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 370#L883 assume !(0 != test_~tmp___0~1#1); 330#L883-2 test_~tmp___2~0#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 331#L893 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 332#L901 assume !(0 != test_~tmp___1~0#1); 301#L901-2 assume { :begin_inline_timeShift } true; 369#L661 assume !(0 != ~pumpRunning~0); 341#L661-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 364#L693 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 380#L685-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 311#L693-1 assume { :end_inline_processEnvironment } true; 312#L668-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret45#1, __utac_acc__Specification4_spec__1_#t~ret46#1, __utac_acc__Specification4_spec__1_~tmp~6#1, __utac_acc__Specification4_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification4_spec__1_~tmp~6#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~6#1;havoc getWaterLevel_~retValue_acc~6#1;getWaterLevel_~retValue_acc~6#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~6#1; 347#L535 __utac_acc__Specification4_spec__1_#t~ret45#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~6#1 := __utac_acc__Specification4_spec__1_#t~ret45#1;havoc __utac_acc__Specification4_spec__1_#t~ret45#1; 348#L835 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~6#1); 365#L835-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 433#L678 assume { :end_inline_timeShift } true; 394#L863-2 [2022-02-21 04:17:42,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:42,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:17:42,122 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:42,122 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739128700] [2022-02-21 04:17:42,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:42,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,189 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,218 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:42,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:42,219 INFO L85 PathProgramCache]: Analyzing trace with hash -1267785755, now seen corresponding path program 1 times [2022-02-21 04:17:42,219 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:42,220 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [769273769] [2022-02-21 04:17:42,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:42,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:42,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,234 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,247 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:42,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:17:42,247 INFO L85 PathProgramCache]: Analyzing trace with hash 1379183529, now seen corresponding path program 1 times [2022-02-21 04:17:42,248 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:17:42,248 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1875261717] [2022-02-21 04:17:42,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:17:42,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:17:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,264 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:17:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:17:42,291 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:17:45,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:17:45 BoogieIcfgContainer [2022-02-21 04:17:45,288 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:17:45,289 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:17:45,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:17:45,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:17:45,290 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:17:41" (3/4) ... [2022-02-21 04:17:45,291 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:17:45,331 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:17:45,351 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:17:45,352 INFO L158 Benchmark]: Toolchain (without parser) took 5160.07ms. Allocated memory was 77.6MB in the beginning and 159.4MB in the end (delta: 81.8MB). Free memory was 52.0MB in the beginning and 79.6MB in the end (delta: -27.5MB). Peak memory consumption was 53.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,353 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:17:45,353 INFO L158 Benchmark]: CACSL2BoogieTranslator took 398.25ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 51.7MB in the beginning and 79.1MB in the end (delta: -27.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,354 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.33ms. Allocated memory is still 113.2MB. Free memory was 78.9MB in the beginning and 75.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,354 INFO L158 Benchmark]: Boogie Preprocessor took 39.04ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,355 INFO L158 Benchmark]: RCFGBuilder took 416.18ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 90.0MB in the end (delta: -16.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,355 INFO L158 Benchmark]: BuchiAutomizer took 4131.69ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 90.0MB in the beginning and 81.6MB in the end (delta: 8.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,355 INFO L158 Benchmark]: Witness Printer took 62.34ms. Allocated memory is still 159.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:17:45,358 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 77.6MB. Free memory was 52.4MB in the beginning and 52.3MB in the end (delta: 46.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 398.25ms. Allocated memory was 77.6MB in the beginning and 113.2MB in the end (delta: 35.7MB). Free memory was 51.7MB in the beginning and 79.1MB in the end (delta: -27.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.33ms. Allocated memory is still 113.2MB. Free memory was 78.9MB in the beginning and 75.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.04ms. Allocated memory is still 113.2MB. Free memory was 75.8MB in the beginning and 73.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 416.18ms. Allocated memory is still 113.2MB. Free memory was 73.9MB in the beginning and 90.0MB in the end (delta: -16.1MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4131.69ms. Allocated memory was 113.2MB in the beginning and 159.4MB in the end (delta: 46.1MB). Free memory was 90.0MB in the beginning and 81.6MB in the end (delta: 8.4MB). Peak memory consumption was 95.8MB. Max. memory is 16.1GB. * Witness Printer took 62.34ms. Allocated memory is still 159.4MB. Free memory was 81.6MB in the beginning and 79.6MB in the end (delta: 2.0MB). 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 164 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 164 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 115 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 115 mSDsluCounter, 230 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 10 IncrementalHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 122 mSDtfsCounter, 10 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: 863]: 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@41994e77=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d902906=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@58cf8a0f=0, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@62b9027e=0, NULL=1, tmp___0=0, retValue_acc=1, methaneLevelCritical=0, tmp=1, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=0, tmp=1, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53c3fe64=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7bde2ddc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d38e887=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eb500dc=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 863]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L460] int waterLevel = 1; [L461] int methaneLevelCritical = 0; [L540] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L616] int retValue_acc ; [L617] int tmp ; [L621] FCALL select_helpers() [L622] FCALL select_features() [L623] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L623] RET, EXPR valid_product() [L623] tmp = valid_product() [L625] COND TRUE \read(tmp) [L627] FCALL setup() [L628] CALL runTest() [L610] CALL test() [L854] int splverifierCounter ; [L855] int tmp ; [L856] int tmp___0 ; [L857] int tmp___1 ; [L858] int tmp___2 ; [L861] splverifierCounter = 0 Loop: [L863] COND TRUE 1 [L865] COND TRUE splverifierCounter < 4 [L871] tmp = __VERIFIER_nondet_int() [L873] COND FALSE !(\read(tmp)) [L881] tmp___0 = __VERIFIER_nondet_int() [L883] COND FALSE !(\read(tmp___0)) [L891] tmp___2 = __VERIFIER_nondet_int() [L893] COND FALSE !(\read(tmp___2)) [L899] tmp___1 = __VERIFIER_nondet_int() [L901] COND FALSE !(\read(tmp___1)) [L910] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(\read(pumpRunning)) [L708] FCALL processEnvironment__wrappee__methaneQuery() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification4_spec__1() [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR getWaterLevel() [L531] int retValue_acc ; [L534] retValue_acc = waterLevel [L535] return (retValue_acc); [L833] RET, EXPR getWaterLevel() [L833] tmp = getWaterLevel() [L835] COND FALSE !(tmp == 0) [L676] RET __utac_acc__Specification4_spec__1() [L910] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:17:45,434 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)