./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product15.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_spec1_product15.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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:15:05,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:15:05,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:15:05,581 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:15:05,582 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:15:05,585 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:15:05,586 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:15:05,588 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:15:05,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:15:05,593 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:15:05,594 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:15:05,595 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:15:05,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:15:05,597 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:15:05,598 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:15:05,600 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:15:05,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:15:05,602 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:15:05,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:15:05,606 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:15:05,608 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:15:05,608 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:15:05,610 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:15:05,610 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:15:05,613 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:15:05,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:15:05,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:15:05,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:15:05,615 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:15:05,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:15:05,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:15:05,617 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:15:05,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:15:05,619 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:15:05,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:15:05,620 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:15:05,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:15:05,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:15:05,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:15:05,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:15:05,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:15:05,623 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:15:05,649 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:15:05,649 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:15:05,650 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:15:05,650 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:15:05,651 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:15:05,651 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:15:05,651 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:15:05,651 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:15:05,651 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:15:05,652 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:15:05,652 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:15:05,652 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:15:05,653 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:15:05,653 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:15:05,653 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:15:05,653 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:15:05,653 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:15:05,653 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:15:05,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:15:05,655 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:15:05,655 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:15:05,656 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:15:05,656 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:15:05,656 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:15:05,657 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:15:05,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:15:05,658 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2022-02-21 04:15:05,911 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:15:05,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:15:05,954 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:15:05,955 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:15:05,956 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:15:05,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-02-21 04:15:06,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ba4c1df/57a4bc79425c46f5b3b7906aee31b947/FLAG2d2b46e6a [2022-02-21 04:15:06,479 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:15:06,480 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-02-21 04:15:06,495 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ba4c1df/57a4bc79425c46f5b3b7906aee31b947/FLAG2d2b46e6a [2022-02-21 04:15:06,513 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/58ba4c1df/57a4bc79425c46f5b3b7906aee31b947 [2022-02-21 04:15:06,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:15:06,517 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:15:06,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:15:06,521 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:15:06,523 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:15:06,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:06,526 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a08f08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06, skipping insertion in model container [2022-02-21 04:15:06,526 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:06,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:15:06,565 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:15:06,754 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-02-21 04:15:06,830 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:15:06,848 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:15:06,874 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-02-21 04:15:06,914 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:15:06,943 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:15:06,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06 WrapperNode [2022-02-21 04:15:06,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:15:06,946 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:15:06,946 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:15:06,946 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:15:06,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:06,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,009 INFO L137 Inliner]: procedures = 52, calls = 152, calls flagged for inlining = 49, calls inlined = 49, statements flattened = 366 [2022-02-21 04:15:07,009 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:15:07,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:15:07,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:15:07,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:15:07,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,036 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,052 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,057 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,058 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,061 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:15:07,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:15:07,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:15:07,062 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:15:07,075 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (1/1) ... [2022-02-21 04:15:07,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:15:07,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:15:07,106 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 04:15:07,108 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 04:15:07,133 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:15:07,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:15:07,134 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:15:07,189 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:15:07,190 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:15:07,575 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:15:07,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:15:07,582 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:15:07,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:07 BoogieIcfgContainer [2022-02-21 04:15:07,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:15:07,584 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:15:07,584 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:15:07,589 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:15:07,589 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:07,590 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:15:06" (1/3) ... [2022-02-21 04:15:07,604 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f91609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:15:07, skipping insertion in model container [2022-02-21 04:15:07,604 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:07,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:15:06" (2/3) ... [2022-02-21 04:15:07,605 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3f91609d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:15:07, skipping insertion in model container [2022-02-21 04:15:07,605 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:15:07,605 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:07" (3/3) ... [2022-02-21 04:15:07,608 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2022-02-21 04:15:07,664 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:15:07,664 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:15:07,664 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:15:07,664 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:15:07,665 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:15:07,665 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:15:07,665 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:15:07,665 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:15:07,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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 04:15:07,749 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:15:07,750 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:07,750 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:07,757 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:07,757 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:07,758 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:15:07,762 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 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 04:15:07,774 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 64 [2022-02-21 04:15:07,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:07,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:07,776 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:07,776 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:07,780 INFO L791 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 25#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 48#L260true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 66#L253true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 14#L268true main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 38#L140true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 85#L113true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 24#L488-2true [2022-02-21 04:15:07,787 INFO L793 eck$LassoCheckResult]: Loop: 24#L488-2true assume !false; 88#L489true assume test_~splverifierCounter~0#1 < 4; 13#L490true test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 68#L498true assume !(0 != test_~tmp~4#1); 42#L498-2true test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 21#L508true assume !(0 != test_~tmp___0~1#1); 65#L508-2true test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 8#L518true assume 0 != test_~tmp___2~0#1; 80#L524-2true assume { :begin_inline_timeShift } true; 63#L320true assume !(0 != ~pumpRunning~0); 59#L320-2true assume !(0 != ~systemActive~0); 83#L327-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 75#L201-1true __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 76#L283true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 51#L283-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 54#L337true assume { :end_inline_timeShift } true; 24#L488-2true [2022-02-21 04:15:07,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:07,798 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-02-21 04:15:07,807 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:07,810 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [687278916] [2022-02-21 04:15:07,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:07,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:07,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:07,966 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:08,018 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:08,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:08,025 INFO L85 PathProgramCache]: Analyzing trace with hash -1841869244, now seen corresponding path program 1 times [2022-02-21 04:15:08,025 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:08,026 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645516838] [2022-02-21 04:15:08,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:08,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:08,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:08,058 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:08,069 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:08,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:08,072 INFO L85 PathProgramCache]: Analyzing trace with hash -486450168, now seen corresponding path program 1 times [2022-02-21 04:15:08,073 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:08,073 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1672004704] [2022-02-21 04:15:08,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:08,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:15:08,219 INFO L290 TraceCheckUtils]: 0: Hoare triple {108#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(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; {110#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:15:08,220 INFO L290 TraceCheckUtils]: 1: Hoare triple {110#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; {110#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:15:08,220 INFO L290 TraceCheckUtils]: 2: Hoare triple {110#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {110#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:15:08,221 INFO L290 TraceCheckUtils]: 3: Hoare triple {110#(= 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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; {111#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:15:08,221 INFO L290 TraceCheckUtils]: 4: Hoare triple {111#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; {112#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} is VALID [2022-02-21 04:15:08,222 INFO L290 TraceCheckUtils]: 5: Hoare triple {112#(= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0)} assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,222 INFO L290 TraceCheckUtils]: 6: Hoare triple {113#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,223 INFO L290 TraceCheckUtils]: 7: Hoare triple {113#(not (= 0 ~systemActive~0))} assume !false; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,223 INFO L290 TraceCheckUtils]: 8: Hoare triple {113#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,224 INFO L290 TraceCheckUtils]: 9: Hoare triple {113#(not (= 0 ~systemActive~0))} test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,224 INFO L290 TraceCheckUtils]: 10: Hoare triple {113#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~4#1); {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,225 INFO L290 TraceCheckUtils]: 11: Hoare triple {113#(not (= 0 ~systemActive~0))} test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,225 INFO L290 TraceCheckUtils]: 12: Hoare triple {113#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~1#1); {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,225 INFO L290 TraceCheckUtils]: 13: Hoare triple {113#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,226 INFO L290 TraceCheckUtils]: 14: Hoare triple {113#(not (= 0 ~systemActive~0))} assume 0 != test_~tmp___2~0#1; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,226 INFO L290 TraceCheckUtils]: 15: Hoare triple {113#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,227 INFO L290 TraceCheckUtils]: 16: Hoare triple {113#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {113#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:15:08,227 INFO L290 TraceCheckUtils]: 17: Hoare triple {113#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {109#false} is VALID [2022-02-21 04:15:08,227 INFO L290 TraceCheckUtils]: 18: Hoare triple {109#false} assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; {109#false} is VALID [2022-02-21 04:15:08,228 INFO L290 TraceCheckUtils]: 19: Hoare triple {109#false} __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; {109#false} is VALID [2022-02-21 04:15:08,228 INFO L290 TraceCheckUtils]: 20: Hoare triple {109#false} assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); {109#false} is VALID [2022-02-21 04:15:08,228 INFO L290 TraceCheckUtils]: 21: Hoare triple {109#false} assume { :end_inline___utac_acc__Specification1_spec__1 } true; {109#false} is VALID [2022-02-21 04:15:08,228 INFO L290 TraceCheckUtils]: 22: Hoare triple {109#false} assume { :end_inline_timeShift } true; {109#false} is VALID [2022-02-21 04:15:08,229 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 04:15:08,230 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:15:08,230 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1672004704] [2022-02-21 04:15:08,230 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1672004704] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:15:08,230 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:15:08,231 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:15:08,231 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664088942] [2022-02-21 04:15:08,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:15:08,316 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:15:08,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:15:08,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:15:08,340 INFO L87 Difference]: Start difference. First operand has 100 states, 99 states have (on average 1.3535353535353536) internal successors, (134), 99 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:15:08,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:15:08,852 INFO L93 Difference]: Finished difference Result 251 states and 317 transitions. [2022-02-21 04:15:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:15:08,853 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 3.8333333333333335) internal successors, (23), 5 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:15:08,892 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 23 edges. 23 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:15:08,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 251 states and 317 transitions. [2022-02-21 04:15:08,910 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 159 [2022-02-21 04:15:08,919 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 251 states to 221 states and 287 transitions. [2022-02-21 04:15:08,920 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 221 [2022-02-21 04:15:08,921 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 221 [2022-02-21 04:15:08,921 INFO L73 IsDeterministic]: Start isDeterministic. Operand 221 states and 287 transitions. [2022-02-21 04:15:08,922 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:15:08,922 INFO L681 BuchiCegarLoop]: Abstraction has 221 states and 287 transitions. [2022-02-21 04:15:08,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states and 287 transitions. [2022-02-21 04:15:08,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 139. [2022-02-21 04:15:08,948 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:15:08,949 INFO L82 GeneralOperation]: Start isEquivalent. First operand 221 states and 287 transitions. Second operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 04:15:08,950 INFO L74 IsIncluded]: Start isIncluded. First operand 221 states and 287 transitions. Second operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 04:15:08,952 INFO L87 Difference]: Start difference. First operand 221 states and 287 transitions. Second operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 04:15:08,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:15:08,963 INFO L93 Difference]: Finished difference Result 221 states and 287 transitions. [2022-02-21 04:15:08,964 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2022-02-21 04:15:08,967 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:15:08,968 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:15:08,968 INFO L74 IsIncluded]: Start isIncluded. First operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 221 states and 287 transitions. [2022-02-21 04:15:08,968 INFO L87 Difference]: Start difference. First operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 221 states and 287 transitions. [2022-02-21 04:15:08,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:15:08,976 INFO L93 Difference]: Finished difference Result 221 states and 287 transitions. [2022-02-21 04:15:08,977 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 287 transitions. [2022-02-21 04:15:08,981 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:15:08,981 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:15:08,981 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:15:08,981 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:15:08,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 139 states have (on average 1.3021582733812949) internal successors, (181), 138 states have internal predecessors, (181), 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 04:15:08,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 181 transitions. [2022-02-21 04:15:08,986 INFO L704 BuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-02-21 04:15:08,986 INFO L587 BuchiCegarLoop]: Abstraction has 139 states and 181 transitions. [2022-02-21 04:15:08,986 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:15:08,986 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 139 states and 181 transitions. [2022-02-21 04:15:08,990 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 100 [2022-02-21 04:15:08,991 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:15:08,991 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:15:08,991 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:15:08,991 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] [2022-02-21 04:15:08,992 INFO L791 eck$LassoCheckResult]: Stem: 451#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0; 440#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_~retValue_acc~0#1, main_~tmp~0#1;havoc main_~retValue_acc~0#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 441#L260 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 407#L253 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1; 408#L268 main_#t~ret4#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1; 416#L140 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 444#L113 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 385#L488-2 [2022-02-21 04:15:08,992 INFO L793 eck$LassoCheckResult]: Loop: 385#L488-2 assume !false; 439#L489 assume test_~splverifierCounter~0#1 < 4; 409#L490 test_~tmp~4#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 410#L498 assume !(0 != test_~tmp~4#1); 413#L498-2 test_~tmp___0~1#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 433#L508 assume !(0 != test_~tmp___0~1#1); 379#L508-2 test_~tmp___2~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 380#L518 assume 0 != test_~tmp___2~0#1; 382#L524-2 assume { :begin_inline_timeShift } true; 397#L320 assume !(0 != ~pumpRunning~0); 393#L320-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 394#L352 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 438#L344-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 414#L352-1 assume { :end_inline_processEnvironment } true; 415#L327-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret11#1, __utac_acc__Specification1_spec__1_#t~ret12#1, __utac_acc__Specification1_spec__1_~tmp~1#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~1#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;havoc isMethaneLevelCritical_~retValue_acc~1#1;isMethaneLevelCritical_~retValue_acc~1#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~1#1; 426#L201-1 __utac_acc__Specification1_spec__1_#t~ret11#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~1#1 := __utac_acc__Specification1_spec__1_#t~ret11#1;havoc __utac_acc__Specification1_spec__1_#t~ret11#1; 427#L283 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~1#1); 376#L283-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 377#L337 assume { :end_inline_timeShift } true; 385#L488-2 [2022-02-21 04:15:08,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:08,993 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-02-21 04:15:08,993 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:08,993 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [875484602] [2022-02-21 04:15:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,016 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:09,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,027 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:09,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1752585458, now seen corresponding path program 1 times [2022-02-21 04:15:09,028 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:09,028 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744044358] [2022-02-21 04:15:09,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:09,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:09,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,033 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,037 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:09,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:15:09,040 INFO L85 PathProgramCache]: Analyzing trace with hash 549557962, now seen corresponding path program 1 times [2022-02-21 04:15:09,040 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:15:09,040 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709967590] [2022-02-21 04:15:09,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:15:09,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:15:09,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,053 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:15:09,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:15:09,066 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:15:11,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:15:11 BoogieIcfgContainer [2022-02-21 04:15:11,779 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:15:11,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:15:11,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:15:11,779 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:15:11,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:15:07" (3/4) ... [2022-02-21 04:15:11,782 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:15:11,828 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:15:11,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:15:11,829 INFO L158 Benchmark]: Toolchain (without parser) took 5312.27ms. Allocated memory was 94.4MB in the beginning and 148.9MB in the end (delta: 54.5MB). Free memory was 60.7MB in the beginning and 116.5MB in the end (delta: -55.9MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:15:11,830 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:15:11,830 INFO L158 Benchmark]: CACSL2BoogieTranslator took 424.20ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 60.7MB in the beginning and 87.5MB in the end (delta: -26.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-02-21 04:15:11,831 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.02ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:11,831 INFO L158 Benchmark]: Boogie Preprocessor took 50.61ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 82.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:15:11,839 INFO L158 Benchmark]: RCFGBuilder took 522.16ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 63.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-02-21 04:15:11,840 INFO L158 Benchmark]: BuchiAutomizer took 4194.53ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 63.8MB in the beginning and 118.6MB in the end (delta: -54.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-02-21 04:15:11,840 INFO L158 Benchmark]: Witness Printer took 49.07ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:15:11,842 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 0.12ms. Allocated memory is still 94.4MB. Free memory was 49.8MB in the beginning and 49.7MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 424.20ms. Allocated memory was 94.4MB in the beginning and 123.7MB in the end (delta: 29.4MB). Free memory was 60.7MB in the beginning and 87.5MB in the end (delta: -26.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.02ms. Allocated memory is still 123.7MB. Free memory was 87.5MB in the beginning and 84.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.61ms. Allocated memory is still 123.7MB. Free memory was 84.8MB in the beginning and 82.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 522.16ms. Allocated memory is still 123.7MB. Free memory was 82.6MB in the beginning and 63.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * BuchiAutomizer took 4194.53ms. Allocated memory was 123.7MB in the beginning and 148.9MB in the end (delta: 25.2MB). Free memory was 63.8MB in the beginning and 118.6MB in the end (delta: -54.8MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * Witness Printer took 49.07ms. Allocated memory is still 148.9MB. Free memory was 118.6MB in the beginning and 116.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 139 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 82 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 139 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 545 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 545 mSDsluCounter, 683 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 565 mSDsCounter, 9 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 38 IncrementalHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 9 mSolverCounterUnsat, 118 mSDtfsCounter, 38 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 488]: 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, NULL=0, head=0, tmp___0=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7b8bb266=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@59b4f37a=0, NULL=1, methaneLevelCritical=0, retValue_acc=0, \result=0, retValue_acc=0, \result=1, retValue_acc=1, tmp___2=29, cleanupTimeShifts=4, tmp=1, \result=0, tmp=0, head=0, tmp___1=0, tmp=0, NULL=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2b80c085=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@787d0b6e=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70a4c410=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4cb5f82c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680a8d70=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ab69ad8=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 488]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int cleanupTimeShifts = 4; [L158] int waterLevel = 1; [L159] int methaneLevelCritical = 0; [L313] int pumpRunning = 0; [L314] int systemActive = 1; [L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L131] int retValue_acc ; [L132] int tmp ; [L136] FCALL select_helpers() [L137] FCALL select_features() [L138] CALL, EXPR valid_product() [L264] int retValue_acc ; [L267] retValue_acc = 1 [L268] return (retValue_acc); [L138] RET, EXPR valid_product() [L138] tmp = valid_product() [L140] COND TRUE \read(tmp) [L142] FCALL setup() [L143] CALL runTest() [L122] CALL test() [L479] int splverifierCounter ; [L480] int tmp ; [L481] int tmp___0 ; [L482] int tmp___1 ; [L483] int tmp___2 ; [L486] splverifierCounter = 0 Loop: [L488] COND TRUE 1 [L490] COND TRUE splverifierCounter < 4 [L496] tmp = __VERIFIER_nondet_int() [L498] COND FALSE !(\read(tmp)) [L506] tmp___0 = __VERIFIER_nondet_int() [L508] COND FALSE !(\read(tmp___0)) [L516] tmp___2 = __VERIFIER_nondet_int() [L518] COND TRUE \read(tmp___2) [L533] CALL timeShift() [L320] COND FALSE !(\read(pumpRunning)) [L327] COND TRUE \read(systemActive) [L329] CALL processEnvironment() [L349] int tmp ; [L352] COND FALSE !(\read(pumpRunning)) [L367] FCALL processEnvironment__wrappee__methaneQuery() [L329] RET processEnvironment() [L335] CALL __utac_acc__Specification1_spec__1() [L276] int tmp ; [L277] int tmp___0 ; [L281] CALL, EXPR isMethaneLevelCritical() [L197] int retValue_acc ; [L200] retValue_acc = methaneLevelCritical [L201] return (retValue_acc); [L281] RET, EXPR isMethaneLevelCritical() [L281] tmp = isMethaneLevelCritical() [L283] COND FALSE !(\read(tmp)) [L335] RET __utac_acc__Specification1_spec__1() [L533] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:15:11,880 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)