./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product20.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_spec3_product20.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 43c19ce3e2b7787ecf8dd3f4cbbbb7bba1e2bcc266043b083140097432ac956b --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:49,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:49,586 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:49,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:49,609 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:49,610 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:49,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:49,612 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:49,613 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:49,618 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:49,619 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:49,621 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:49,621 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:49,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:49,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:49,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:49,627 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:49,628 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:49,632 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:49,634 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:49,638 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:49,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:49,653 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:49,654 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:49,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:49,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:49,661 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:49,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:49,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:49,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:49,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:49,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:49,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:49,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:49,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:49,669 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:49,669 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:49,669 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:49,669 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:49,670 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:49,671 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:49,671 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:49,696 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:49,696 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:49,696 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:49,696 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:49,697 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:49,697 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:49,697 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:49,698 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:49,698 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:49,698 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:49,699 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:49,699 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:49,699 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:49,699 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:49,701 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:49,701 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:49,701 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:49,701 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:49,702 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:49,702 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:49,702 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:49,702 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:49,703 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:49,703 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:49,703 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:49,704 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 43c19ce3e2b7787ecf8dd3f4cbbbb7bba1e2bcc266043b083140097432ac956b [2022-02-21 04:16:49,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:49,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:49,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:49,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:49,982 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:49,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2022-02-21 04:16:50,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e3917ca/381fd5e8df2e473c8e71af07bf0eef9b/FLAG952b37bca [2022-02-21 04:16:50,375 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:50,375 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2022-02-21 04:16:50,391 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e3917ca/381fd5e8df2e473c8e71af07bf0eef9b/FLAG952b37bca [2022-02-21 04:16:50,788 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04e3917ca/381fd5e8df2e473c8e71af07bf0eef9b [2022-02-21 04:16:50,790 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:50,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:50,795 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:50,796 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:50,798 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:50,799 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:50" (1/1) ... [2022-02-21 04:16:50,800 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a2eae49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:50, skipping insertion in model container [2022-02-21 04:16:50,800 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:50" (1/1) ... [2022-02-21 04:16:50,806 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:50,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:51,110 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_spec3_product20.cil.c[17955,17968] [2022-02-21 04:16:51,110 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:51,118 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:51,198 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_spec3_product20.cil.c[17955,17968] [2022-02-21 04:16:51,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:51,226 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:51,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51 WrapperNode [2022-02-21 04:16:51,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:51,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:51,228 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:51,228 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:51,236 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,257 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,304 INFO L137 Inliner]: procedures = 54, calls = 153, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 420 [2022-02-21 04:16:51,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:51,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:51,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:51,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:51,315 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,315 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,322 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,326 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:51,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:51,330 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:51,330 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:51,331 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (1/1) ... [2022-02-21 04:16:51,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:51,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:51,367 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 04:16:51,385 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 04:16:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:51,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:51,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:51,459 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:51,460 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:51,819 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:51,825 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:51,826 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:51,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:51 BoogieIcfgContainer [2022-02-21 04:16:51,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:51,828 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:51,828 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:51,837 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:51,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:51,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:50" (1/3) ... [2022-02-21 04:16:51,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@577b2d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:51, skipping insertion in model container [2022-02-21 04:16:51,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:51,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:51" (2/3) ... [2022-02-21 04:16:51,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@577b2d59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:51, skipping insertion in model container [2022-02-21 04:16:51,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:51,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:51" (3/3) ... [2022-02-21 04:16:51,840 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product20.cil.c [2022-02-21 04:16:51,881 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:51,881 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:51,882 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:51,882 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:51,882 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:51,882 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:51,882 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:51,882 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:51,897 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 04:16:51,925 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2022-02-21 04:16:51,925 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:51,925 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:51,930 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:51,930 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 04:16:51,930 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:51,931 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 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 04:16:51,942 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2022-02-21 04:16:51,942 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:51,942 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:51,943 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:51,943 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 04:16:51,947 INFO L791 eck$LassoCheckResult]: Stem: 94#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; 33#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 47#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 105#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; 17#L83true main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 68#L541true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 72#L517true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 80#L785-2true [2022-02-21 04:16:51,947 INFO L793 eck$LassoCheckResult]: Loop: 80#L785-2true assume !false; 12#L786true assume test_~splverifierCounter~0#1 < 4; 95#L787true test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 5#L795true assume !(0 != test_~tmp~7#1); 22#L795-2true test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 69#L805true assume !(0 != test_~tmp___0~2#1); 97#L805-2true test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 63#L815true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 4#L823true assume !(0 != test_~tmp___1~1#1); 56#L823-2true assume { :begin_inline_timeShift } true; 28#L607true assume !(0 != ~pumpRunning~0); 46#L607-2true assume !(0 != ~systemActive~0); 75#L614-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 102#L887true __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 115#L568true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 108#L574-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 34#L624true assume { :end_inline_timeShift } true; 80#L785-2true [2022-02-21 04:16:51,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:51,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:16:51,959 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:51,960 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726883871] [2022-02-21 04:16:51,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:51,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:52,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:52,088 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:52,146 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:52,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:52,150 INFO L85 PathProgramCache]: Analyzing trace with hash 1380821057, now seen corresponding path program 1 times [2022-02-21 04:16:52,150 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:52,151 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231146796] [2022-02-21 04:16:52,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:52,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:52,160 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:52,174 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:52,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:52,176 INFO L85 PathProgramCache]: Analyzing trace with hash 449139453, now seen corresponding path program 1 times [2022-02-21 04:16:52,177 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:52,177 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308960561] [2022-02-21 04:16:52,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:52,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:52,337 INFO L290 TraceCheckUtils]: 0: Hoare triple {121#true} 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; {123#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:52,340 INFO L290 TraceCheckUtils]: 1: Hoare triple {123#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {123#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:52,340 INFO L290 TraceCheckUtils]: 2: Hoare triple {123#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {123#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:52,341 INFO L290 TraceCheckUtils]: 3: Hoare triple {123#(= 1 ~systemActive~0)} 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; {124#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:52,342 INFO L290 TraceCheckUtils]: 4: Hoare triple {124#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; {125#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} is VALID [2022-02-21 04:16:52,342 INFO L290 TraceCheckUtils]: 5: Hoare triple {125#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,343 INFO L290 TraceCheckUtils]: 6: Hoare triple {126#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,343 INFO L290 TraceCheckUtils]: 7: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !false; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,343 INFO L290 TraceCheckUtils]: 8: Hoare triple {126#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,344 INFO L290 TraceCheckUtils]: 9: Hoare triple {126#(not (= 0 ~systemActive~0))} test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,345 INFO L290 TraceCheckUtils]: 10: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~7#1); {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,345 INFO L290 TraceCheckUtils]: 11: Hoare triple {126#(not (= 0 ~systemActive~0))} test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,346 INFO L290 TraceCheckUtils]: 12: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~2#1); {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,346 INFO L290 TraceCheckUtils]: 13: Hoare triple {126#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,347 INFO L290 TraceCheckUtils]: 14: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,347 INFO L290 TraceCheckUtils]: 15: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~1#1); {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,347 INFO L290 TraceCheckUtils]: 16: Hoare triple {126#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,348 INFO L290 TraceCheckUtils]: 17: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {126#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:52,348 INFO L290 TraceCheckUtils]: 18: Hoare triple {126#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {122#false} is VALID [2022-02-21 04:16:52,348 INFO L290 TraceCheckUtils]: 19: Hoare triple {122#false} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; {122#false} is VALID [2022-02-21 04:16:52,349 INFO L290 TraceCheckUtils]: 20: Hoare triple {122#false} __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; {122#false} is VALID [2022-02-21 04:16:52,349 INFO L290 TraceCheckUtils]: 21: Hoare triple {122#false} assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; {122#false} is VALID [2022-02-21 04:16:52,349 INFO L290 TraceCheckUtils]: 22: Hoare triple {122#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {122#false} is VALID [2022-02-21 04:16:52,349 INFO L290 TraceCheckUtils]: 23: Hoare triple {122#false} assume { :end_inline_timeShift } true; {122#false} is VALID [2022-02-21 04:16:52,351 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 04:16:52,351 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:52,352 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308960561] [2022-02-21 04:16:52,353 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308960561] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:52,353 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:52,353 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:52,353 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000134275] [2022-02-21 04:16:52,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:52,496 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:52,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:52,516 INFO L87 Difference]: Start difference. First operand has 113 states, 112 states have (on average 1.3660714285714286) internal successors, (153), 112 states have internal predecessors, (153), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:53,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:53,303 INFO L93 Difference]: Finished difference Result 384 states and 494 transitions. [2022-02-21 04:16:53,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:16:53,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:53,350 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 24 edges. 24 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:53,354 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 384 states and 494 transitions. [2022-02-21 04:16:53,367 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 248 [2022-02-21 04:16:53,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 384 states to 344 states and 454 transitions. [2022-02-21 04:16:53,393 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 344 [2022-02-21 04:16:53,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 344 [2022-02-21 04:16:53,397 INFO L73 IsDeterministic]: Start isDeterministic. Operand 344 states and 454 transitions. [2022-02-21 04:16:53,400 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:53,400 INFO L681 BuchiCegarLoop]: Abstraction has 344 states and 454 transitions. [2022-02-21 04:16:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states and 454 transitions. [2022-02-21 04:16:53,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 158. [2022-02-21 04:16:53,434 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:53,438 INFO L82 GeneralOperation]: Start isEquivalent. First operand 344 states and 454 transitions. Second operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 04:16:53,440 INFO L74 IsIncluded]: Start isIncluded. First operand 344 states and 454 transitions. Second operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 04:16:53,444 INFO L87 Difference]: Start difference. First operand 344 states and 454 transitions. Second operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 04:16:53,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:53,456 INFO L93 Difference]: Finished difference Result 344 states and 454 transitions. [2022-02-21 04:16:53,456 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 454 transitions. [2022-02-21 04:16:53,463 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:53,463 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:53,464 INFO L74 IsIncluded]: Start isIncluded. First operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 344 states and 454 transitions. [2022-02-21 04:16:53,464 INFO L87 Difference]: Start difference. First operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 344 states and 454 transitions. [2022-02-21 04:16:53,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:53,473 INFO L93 Difference]: Finished difference Result 344 states and 454 transitions. [2022-02-21 04:16:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 454 transitions. [2022-02-21 04:16:53,474 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:53,474 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:53,474 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:53,475 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 158 states have (on average 1.3227848101265822) internal successors, (209), 157 states have internal predecessors, (209), 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 04:16:53,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 209 transitions. [2022-02-21 04:16:53,480 INFO L704 BuchiCegarLoop]: Abstraction has 158 states and 209 transitions. [2022-02-21 04:16:53,480 INFO L587 BuchiCegarLoop]: Abstraction has 158 states and 209 transitions. [2022-02-21 04:16:53,480 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:53,480 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 158 states and 209 transitions. [2022-02-21 04:16:53,482 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 113 [2022-02-21 04:16:53,482 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:53,483 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:53,483 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:53,483 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 04:16:53,484 INFO L791 eck$LassoCheckResult]: Stem: 612#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; 568#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 569#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 583#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; 540#L83 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 541#L541 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 602#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 571#L785-2 [2022-02-21 04:16:53,484 INFO L793 eck$LassoCheckResult]: Loop: 571#L785-2 assume !false; 533#L786 assume test_~splverifierCounter~0#1 < 4; 534#L787 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 518#L795 assume !(0 != test_~tmp~7#1); 520#L795-2 test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 546#L805 assume !(0 != test_~tmp___0~2#1); 603#L805-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 596#L815 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 515#L823 assume !(0 != test_~tmp___1~1#1); 516#L823-2 assume { :begin_inline_timeShift } true; 557#L607 assume !(0 != ~pumpRunning~0); 558#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 562#L639 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 563#L631-1 assume { :end_inline_processEnvironment__wrappee__base } true; 580#L639-1 assume { :end_inline_processEnvironment } true; 581#L614-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 607#L887 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 615#L568 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; 574#L574-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 570#L624 assume { :end_inline_timeShift } true; 571#L785-2 [2022-02-21 04:16:53,484 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:53,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:16:53,485 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:53,485 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909289968] [2022-02-21 04:16:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:53,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:53,520 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:53,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:53,541 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:53,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:53,542 INFO L85 PathProgramCache]: Analyzing trace with hash 171614135, now seen corresponding path program 1 times [2022-02-21 04:16:53,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:53,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999905959] [2022-02-21 04:16:53,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:53,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:53,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:53,550 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:53,554 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:53,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:53,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1476383877, now seen corresponding path program 1 times [2022-02-21 04:16:53,555 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:53,555 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299277014] [2022-02-21 04:16:53,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:53,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:53,606 INFO L290 TraceCheckUtils]: 0: Hoare triple {1368#true} 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; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,606 INFO L290 TraceCheckUtils]: 1: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,607 INFO L290 TraceCheckUtils]: 2: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,607 INFO L290 TraceCheckUtils]: 3: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} 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; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,607 INFO L290 TraceCheckUtils]: 4: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,608 INFO L290 TraceCheckUtils]: 5: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,608 INFO L290 TraceCheckUtils]: 6: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,608 INFO L290 TraceCheckUtils]: 7: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !false; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,609 INFO L290 TraceCheckUtils]: 8: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume test_~splverifierCounter~0#1 < 4; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,609 INFO L290 TraceCheckUtils]: 9: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,609 INFO L290 TraceCheckUtils]: 10: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp~7#1); {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,610 INFO L290 TraceCheckUtils]: 11: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,610 INFO L290 TraceCheckUtils]: 12: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___0~2#1); {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,610 INFO L290 TraceCheckUtils]: 13: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,611 INFO L290 TraceCheckUtils]: 14: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,611 INFO L290 TraceCheckUtils]: 15: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != test_~tmp___1~1#1); {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,611 INFO L290 TraceCheckUtils]: 16: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :begin_inline_timeShift } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,612 INFO L290 TraceCheckUtils]: 17: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0); {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,612 INFO L290 TraceCheckUtils]: 18: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,612 INFO L290 TraceCheckUtils]: 19: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,613 INFO L290 TraceCheckUtils]: 20: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment__wrappee__base } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,613 INFO L290 TraceCheckUtils]: 21: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :end_inline_processEnvironment } true; {1370#(= ~methaneLevelCritical~0 0)} is VALID [2022-02-21 04:16:53,614 INFO L290 TraceCheckUtils]: 22: Hoare triple {1370#(= ~methaneLevelCritical~0 0)} assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; {1371#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} is VALID [2022-02-21 04:16:53,614 INFO L290 TraceCheckUtils]: 23: Hoare triple {1371#(= |ULTIMATE.start_isMethaneLevelCritical_#res#1| 0)} __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; {1372#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4#1| 0)} is VALID [2022-02-21 04:16:53,614 INFO L290 TraceCheckUtils]: 24: Hoare triple {1372#(= |ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4#1| 0)} assume 0 != __utac_acc__Specification3_spec__1_~tmp~4#1; {1369#false} is VALID [2022-02-21 04:16:53,615 INFO L290 TraceCheckUtils]: 25: Hoare triple {1369#false} assume { :end_inline___utac_acc__Specification3_spec__1 } true; {1369#false} is VALID [2022-02-21 04:16:53,615 INFO L290 TraceCheckUtils]: 26: Hoare triple {1369#false} assume { :end_inline_timeShift } true; {1369#false} is VALID [2022-02-21 04:16:53,615 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 04:16:53,617 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:53,617 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299277014] [2022-02-21 04:16:53,618 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299277014] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:53,618 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:53,618 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-21 04:16:53,618 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773882423] [2022-02-21 04:16:53,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:53,712 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:53,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-21 04:16:53,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-21 04:16:53,715 INFO L87 Difference]: Start difference. First operand 158 states and 209 transitions. cyclomatic complexity: 54 Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:54,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:54,208 INFO L93 Difference]: Finished difference Result 552 states and 733 transitions. [2022-02-21 04:16:54,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-02-21 04:16:54,208 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 5 states, 5 states have (on average 5.4) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:54,231 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 27 edges. 27 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:54,231 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 552 states and 733 transitions. [2022-02-21 04:16:54,248 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 418 [2022-02-21 04:16:54,266 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 552 states to 552 states and 733 transitions. [2022-02-21 04:16:54,266 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 552 [2022-02-21 04:16:54,266 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 552 [2022-02-21 04:16:54,266 INFO L73 IsDeterministic]: Start isDeterministic. Operand 552 states and 733 transitions. [2022-02-21 04:16:54,267 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:54,267 INFO L681 BuchiCegarLoop]: Abstraction has 552 states and 733 transitions. [2022-02-21 04:16:54,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states and 733 transitions. [2022-02-21 04:16:54,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 309. [2022-02-21 04:16:54,275 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:54,276 INFO L82 GeneralOperation]: Start isEquivalent. First operand 552 states and 733 transitions. Second operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 04:16:54,276 INFO L74 IsIncluded]: Start isIncluded. First operand 552 states and 733 transitions. Second operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 04:16:54,277 INFO L87 Difference]: Start difference. First operand 552 states and 733 transitions. Second operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 04:16:54,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:54,290 INFO L93 Difference]: Finished difference Result 552 states and 733 transitions. [2022-02-21 04:16:54,290 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 733 transitions. [2022-02-21 04:16:54,291 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:54,292 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:54,294 INFO L74 IsIncluded]: Start isIncluded. First operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 552 states and 733 transitions. [2022-02-21 04:16:54,295 INFO L87 Difference]: Start difference. First operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 552 states and 733 transitions. [2022-02-21 04:16:54,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:54,313 INFO L93 Difference]: Finished difference Result 552 states and 733 transitions. [2022-02-21 04:16:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 733 transitions. [2022-02-21 04:16:54,314 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:54,314 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:54,314 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:54,314 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:54,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 309 states, 309 states have (on average 1.3042071197411003) internal successors, (403), 308 states have internal predecessors, (403), 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 04:16:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 403 transitions. [2022-02-21 04:16:54,322 INFO L704 BuchiCegarLoop]: Abstraction has 309 states and 403 transitions. [2022-02-21 04:16:54,322 INFO L587 BuchiCegarLoop]: Abstraction has 309 states and 403 transitions. [2022-02-21 04:16:54,322 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2022-02-21 04:16:54,323 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 309 states and 403 transitions. [2022-02-21 04:16:54,324 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 226 [2022-02-21 04:16:54,324 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:54,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:54,324 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:54,324 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, 1, 1] [2022-02-21 04:16:54,325 INFO L791 eck$LassoCheckResult]: Stem: 2053#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; 1989#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret28#1, main_~retValue_acc~5#1, main_~tmp~3#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 1990#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 2011#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; 1959#L83 main_#t~ret28#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret28#1;havoc main_#t~ret28#1; 1960#L541 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 2033#L517 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet43#1, test_#t~nondet44#1, test_#t~nondet45#1, test_#t~nondet46#1, test_~splverifierCounter~0#1, test_~tmp~7#1, test_~tmp___0~2#1, test_~tmp___1~1#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___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1992#L785-2 [2022-02-21 04:16:54,325 INFO L793 eck$LassoCheckResult]: Loop: 1992#L785-2 assume !false; 1952#L786 assume test_~splverifierCounter~0#1 < 4; 1953#L787 test_~tmp~7#1 := test_#t~nondet43#1;havoc test_#t~nondet43#1; 1936#L795 assume !(0 != test_~tmp~7#1); 1938#L795-2 test_~tmp___0~2#1 := test_#t~nondet44#1;havoc test_#t~nondet44#1; 1965#L805 assume !(0 != test_~tmp___0~2#1); 2035#L805-2 test_~tmp___2~0#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 2026#L815 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 2027#L771 assume { :end_inline_startSystem } true; 1934#L823-2 assume { :begin_inline_timeShift } true; 1977#L607 assume !(0 != ~pumpRunning~0); 1978#L607-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret32#1, processEnvironment_~tmp~5#1;havoc processEnvironment_~tmp~5#1; 1982#L639 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1983#L631-1 assume { :end_inline_processEnvironment__wrappee__base } true; 2007#L639-1 assume { :end_inline_processEnvironment } true; 2008#L614-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret29#1, __utac_acc__Specification3_spec__1_#t~ret30#1, __utac_acc__Specification3_spec__1_#t~ret31#1, __utac_acc__Specification3_spec__1_~tmp~4#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~4#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;havoc isMethaneLevelCritical_~retValue_acc~9#1;isMethaneLevelCritical_~retValue_acc~9#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~9#1; 2041#L887 __utac_acc__Specification3_spec__1_#t~ret29#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~4#1 := __utac_acc__Specification3_spec__1_#t~ret29#1;havoc __utac_acc__Specification3_spec__1_#t~ret29#1; 2069#L568 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1; 2070#L919 __utac_acc__Specification3_spec__1_#t~ret30#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret30#1;havoc __utac_acc__Specification3_spec__1_#t~ret30#1; 2001#L574 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1997#L574-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1991#L624 assume { :end_inline_timeShift } true; 1992#L785-2 [2022-02-21 04:16:54,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:54,325 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-02-21 04:16:54,326 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:54,326 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1636517101] [2022-02-21 04:16:54,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:54,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,333 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:54,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,340 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:54,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:54,340 INFO L85 PathProgramCache]: Analyzing trace with hash 488558936, now seen corresponding path program 1 times [2022-02-21 04:16:54,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:54,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406468804] [2022-02-21 04:16:54,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:54,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,346 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,350 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:54,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:54,350 INFO L85 PathProgramCache]: Analyzing trace with hash 1605401628, now seen corresponding path program 1 times [2022-02-21 04:16:54,350 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:54,350 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987010290] [2022-02-21 04:16:54,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:54,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:54,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,370 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:54,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:54,381 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:56,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:56 BoogieIcfgContainer [2022-02-21 04:16:56,880 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:56,881 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:56,881 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:56,882 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:56,882 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:51" (3/4) ... [2022-02-21 04:16:56,884 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:56,916 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:56,917 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:56,918 INFO L158 Benchmark]: Toolchain (without parser) took 6125.33ms. Allocated memory was 96.5MB in the beginning and 182.5MB in the end (delta: 86.0MB). Free memory was 57.4MB in the beginning and 91.2MB in the end (delta: -33.8MB). Peak memory consumption was 52.0MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,918 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 96.5MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:56,918 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.64ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 61.7MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.53ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,919 INFO L158 Benchmark]: Boogie Preprocessor took 20.24ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 56.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,919 INFO L158 Benchmark]: RCFGBuilder took 497.83ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 94.6MB in the end (delta: -38.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,920 INFO L158 Benchmark]: BuchiAutomizer took 5052.40ms. Allocated memory was 121.6MB in the beginning and 182.5MB in the end (delta: 60.8MB). Free memory was 94.6MB in the beginning and 94.2MB in the end (delta: 341.9kB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,920 INFO L158 Benchmark]: Witness Printer took 35.47ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 91.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:56,922 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 0.20ms. Allocated memory is still 96.5MB. Free memory was 74.7MB in the beginning and 74.6MB in the end (delta: 90.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.64ms. Allocated memory is still 96.5MB. Free memory was 57.2MB in the beginning and 61.7MB in the end (delta: -4.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.53ms. Allocated memory is still 96.5MB. Free memory was 61.7MB in the beginning and 58.5MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.24ms. Allocated memory is still 96.5MB. Free memory was 58.2MB in the beginning and 56.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 497.83ms. Allocated memory was 96.5MB in the beginning and 121.6MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 94.6MB in the end (delta: -38.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 5052.40ms. Allocated memory was 121.6MB in the beginning and 182.5MB in the end (delta: 60.8MB). Free memory was 94.6MB in the beginning and 94.2MB in the end (delta: 341.9kB). Peak memory consumption was 80.9MB. Max. memory is 16.1GB. * Witness Printer took 35.47ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 91.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 309 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 1.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 429 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 309 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1121 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1121 mSDsluCounter, 1908 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1576 mSDsCounter, 27 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27 mSolverCounterUnsat, 332 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 785]: 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, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@24cd344a=0, NULL=0, head=0, pumpRunning=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@69e89cd1=0, methaneLevelCritical=0, tmp___0=1, retValue_acc=1, \result=0, tmp=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___1=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@57bad2fa=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ba33287=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3f86d6f5=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ced2e46=0, cleanupTimeShifts=4, \result=0, tmp=0, head=0, \result=1, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@39799a98=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@53d4426=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33d39f37=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 785]: 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; [L454] int cleanupTimeShifts = 4; [L600] int pumpRunning = 0; [L601] int systemActive = 1; [L844] int waterLevel = 1; [L845] int methaneLevelCritical = 0; [L532] int retValue_acc ; [L533] int tmp ; [L537] FCALL select_helpers() [L538] FCALL select_features() [L539] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L539] RET, EXPR valid_product() [L539] tmp = valid_product() [L541] COND TRUE \read(tmp) [L543] FCALL setup() [L544] CALL runTest() [L526] CALL test() [L776] int splverifierCounter ; [L777] int tmp ; [L778] int tmp___0 ; [L779] int tmp___1 ; [L780] int tmp___2 ; [L783] splverifierCounter = 0 Loop: [L785] COND TRUE 1 [L787] COND TRUE splverifierCounter < 4 [L793] tmp = __VERIFIER_nondet_int() [L795] COND FALSE !(\read(tmp)) [L803] tmp___0 = __VERIFIER_nondet_int() [L805] COND FALSE !(\read(tmp___0)) [L813] tmp___2 = __VERIFIER_nondet_int() [L815] COND TRUE \read(tmp___2) [L817] CALL startSystem() [L770] systemActive = 1 [L817] RET startSystem() [L832] CALL timeShift() [L607] COND FALSE !(\read(pumpRunning)) [L614] COND TRUE \read(systemActive) [L616] CALL processEnvironment() [L636] int tmp ; [L639] COND FALSE !(\read(pumpRunning)) [L654] FCALL processEnvironment__wrappee__base() [L616] RET processEnvironment() [L622] CALL __utac_acc__Specification3_spec__1() [L560] int tmp ; [L561] int tmp___0 ; [L562] int tmp___1 ; [L566] CALL, EXPR isMethaneLevelCritical() [L883] int retValue_acc ; [L886] retValue_acc = methaneLevelCritical [L887] return (retValue_acc); [L566] RET, EXPR isMethaneLevelCritical() [L566] tmp = isMethaneLevelCritical() [L568] COND FALSE !(\read(tmp)) [L572] CALL, EXPR getWaterLevel() [L915] int retValue_acc ; [L918] retValue_acc = waterLevel [L919] return (retValue_acc); [L572] RET, EXPR getWaterLevel() [L572] tmp___0 = getWaterLevel() [L574] COND FALSE !(tmp___0 == 2) [L622] RET __utac_acc__Specification3_spec__1() [L832] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:56,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)