./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6c24879c Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product48.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 ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 --- Real Ultimate output --- This is Ultimate 0.2.2-?-6c24879 [2022-07-13 04:16:50,375 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 04:16:50,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 04:16:50,422 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 04:16:50,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 04:16:50,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 04:16:50,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 04:16:50,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 04:16:50,430 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 04:16:50,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 04:16:50,434 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 04:16:50,436 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 04:16:50,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 04:16:50,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 04:16:50,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 04:16:50,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 04:16:50,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 04:16:50,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 04:16:50,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 04:16:50,452 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 04:16:50,454 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 04:16:50,455 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 04:16:50,455 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 04:16:50,456 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 04:16:50,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 04:16:50,464 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 04:16:50,464 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 04:16:50,465 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 04:16:50,466 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 04:16:50,466 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 04:16:50,467 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 04:16:50,468 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 04:16:50,469 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 04:16:50,469 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 04:16:50,470 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 04:16:50,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 04:16:50,471 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 04:16:50,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 04:16:50,472 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 04:16:50,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 04:16:50,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 04:16:50,474 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 04:16:50,475 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-07-13 04:16:50,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 04:16:50,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 04:16:50,502 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 04:16:50,502 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 04:16:50,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 04:16:50,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 04:16:50,504 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 04:16:50,505 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-07-13 04:16:50,505 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-07-13 04:16:50,505 INFO L138 SettingsManager]: * Use old map elimination=false [2022-07-13 04:16:50,506 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-07-13 04:16:50,506 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-07-13 04:16:50,506 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-07-13 04:16:50,506 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 04:16:50,506 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 04:16:50,507 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-07-13 04:16:50,507 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 04:16:50,507 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 04:16:50,507 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 04:16:50,507 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-07-13 04:16:50,508 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 04:16:50,509 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-07-13 04:16:50,509 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 04:16:50,509 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 04:16:50,509 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 04:16:50,510 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 04:16:50,511 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-07-13 04:16:50,511 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ae2f7a85a5093ad80fd05f69a7d0bbcf9a510999a9154b6f2d8037f035f00930 [2022-07-13 04:16:50,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 04:16:50,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 04:16:50,748 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 04:16:50,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 04:16:50,750 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 04:16:50,751 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-07-13 04:16:50,812 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7af614b/201e5a0478fa4e7195e96e34ef56fd10/FLAG8fc9e374a [2022-07-13 04:16:51,264 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 04:16:51,265 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c [2022-07-13 04:16:51,283 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7af614b/201e5a0478fa4e7195e96e34ef56fd10/FLAG8fc9e374a [2022-07-13 04:16:51,607 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4f7af614b/201e5a0478fa4e7195e96e34ef56fd10 [2022-07-13 04:16:51,609 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 04:16:51,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 04:16:51,613 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:51,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 04:16:51,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 04:16:51,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:51" (1/1) ... [2022-07-13 04:16:51,618 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74391396 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:51, skipping insertion in model container [2022-07-13 04:16:51,619 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 04:16:51" (1/1) ... [2022-07-13 04:16:51,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 04:16:51,669 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 04:16:51,944 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product48.cil.c[17123,17136] [2022-07-13 04:16:51,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:51,964 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 04:16:52,040 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_product48.cil.c[17123,17136] [2022-07-13 04:16:52,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 04:16:52,061 INFO L208 MainTranslator]: Completed translation [2022-07-13 04:16:52,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52 WrapperNode [2022-07-13 04:16:52,062 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 04:16:52,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:52,063 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 04:16:52,063 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 04:16:52,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,135 INFO L137 Inliner]: procedures = 56, calls = 158, calls flagged for inlining = 55, calls inlined = 98, statements flattened = 717 [2022-07-13 04:16:52,139 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 04:16:52,140 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 04:16:52,141 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 04:16:52,141 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 04:16:52,148 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,159 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,179 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,198 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,200 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,203 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 04:16:52,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 04:16:52,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 04:16:52,212 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 04:16:52,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (1/1) ... [2022-07-13 04:16:52,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-07-13 04:16:52,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 04:16:52,240 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-07-13 04:16:52,242 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-07-13 04:16:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 04:16:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 04:16:52,273 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 04:16:52,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 04:16:52,330 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 04:16:52,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 04:16:52,683 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 04:16:52,691 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 04:16:52,691 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 04:16:52,693 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:52 BoogieIcfgContainer [2022-07-13 04:16:52,693 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 04:16:52,694 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-07-13 04:16:52,694 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-07-13 04:16:52,697 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-07-13 04:16:52,698 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:52,698 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.07 04:16:51" (1/3) ... [2022-07-13 04:16:52,699 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bdc1198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:52, skipping insertion in model container [2022-07-13 04:16:52,699 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:52,699 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 04:16:52" (2/3) ... [2022-07-13 04:16:52,700 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5bdc1198 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.07 04:16:52, skipping insertion in model container [2022-07-13 04:16:52,700 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-07-13 04:16:52,700 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:52" (3/3) ... [2022-07-13 04:16:52,701 INFO L354 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product48.cil.c [2022-07-13 04:16:52,769 INFO L255 stractBuchiCegarLoop]: Interprodecural is true [2022-07-13 04:16:52,770 INFO L256 stractBuchiCegarLoop]: Hoare is false [2022-07-13 04:16:52,770 INFO L257 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-07-13 04:16:52,770 INFO L258 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-07-13 04:16:52,770 INFO L259 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-07-13 04:16:52,770 INFO L260 stractBuchiCegarLoop]: Difference is false [2022-07-13 04:16:52,771 INFO L261 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-07-13 04:16:52,771 INFO L265 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-07-13 04:16:52,775 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:52,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-07-13 04:16:52,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:52,800 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:52,805 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:52,805 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:52,805 INFO L287 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-07-13 04:16:52,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:52,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 121 [2022-07-13 04:16:52,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:52,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:52,818 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:52,819 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:52,822 INFO L752 eck$LassoCheckResult]: Stem: 167#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 59#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 23#L969true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 42#L962true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 148#L977true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 48#L239true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 109#L212true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 101#L888-2true [2022-07-13 04:16:52,823 INFO L754 eck$LassoCheckResult]: Loop: 101#L888-2true assume !false; 14#L889true assume test_~splverifierCounter~0#1 < 4; 74#L890true test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 126#L898true assume !(0 != test_~tmp~9#1); 67#L898-2true test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 105#L908true assume !(0 != test_~tmp___0~2#1); 13#L908-2true test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 22#L918true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 136#L926true assume !(0 != test_~tmp___1~0#1); 143#L926-2true assume { :begin_inline_timeShift } true; 43#L658true assume !(0 != ~pumpRunning~0); 155#L658-2true assume !(0 != ~systemActive~0); 51#L665-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 156#L100-3true __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 69#L629true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 117#L629-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 99#L675true assume { :end_inline_timeShift } true; 101#L888-2true [2022-07-13 04:16:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:52,830 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-07-13 04:16:52,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:52,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758108683] [2022-07-13 04:16:52,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:52,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:52,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:52,935 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,010 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:53,013 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,014 INFO L85 PathProgramCache]: Analyzing trace with hash -399539249, now seen corresponding path program 1 times [2022-07-13 04:16:53,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,016 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713171993] [2022-07-13 04:16:53,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,044 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:53,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:53,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,064 INFO L85 PathProgramCache]: Analyzing trace with hash -1331220853, now seen corresponding path program 1 times [2022-07-13 04:16:53,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322715634] [2022-07-13 04:16:53,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:16:53,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:16:53,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:16:53,226 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322715634] [2022-07-13 04:16:53,227 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322715634] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:16:53,227 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:16:53,227 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 04:16:53,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063945241] [2022-07-13 04:16:53,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:16:53,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:16:53,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 04:16:53,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 04:16:53,400 INFO L87 Difference]: Start difference. First operand has 185 states, 184 states have (on average 1.3532608695652173) internal successors, (249), 184 states have internal predecessors, (249), 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) [2022-07-13 04:16:53,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:16:53,568 INFO L93 Difference]: Finished difference Result 594 states and 773 transitions. [2022-07-13 04:16:53,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-13 04:16:53,574 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 594 states and 773 transitions. [2022-07-13 04:16:53,589 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 388 [2022-07-13 04:16:53,606 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 594 states to 554 states and 733 transitions. [2022-07-13 04:16:53,608 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 554 [2022-07-13 04:16:53,609 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 554 [2022-07-13 04:16:53,610 INFO L73 IsDeterministic]: Start isDeterministic. Operand 554 states and 733 transitions. [2022-07-13 04:16:53,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:16:53,617 INFO L369 hiAutomatonCegarLoop]: Abstraction has 554 states and 733 transitions. [2022-07-13 04:16:53,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states and 733 transitions. [2022-07-13 04:16:53,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 224. [2022-07-13 04:16:53,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 224 states have (on average 1.3214285714285714) internal successors, (296), 223 states have internal predecessors, (296), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:53,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 296 transitions. [2022-07-13 04:16:53,666 INFO L392 hiAutomatonCegarLoop]: Abstraction has 224 states and 296 transitions. [2022-07-13 04:16:53,666 INFO L374 stractBuchiCegarLoop]: Abstraction has 224 states and 296 transitions. [2022-07-13 04:16:53,666 INFO L287 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-07-13 04:16:53,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 224 states and 296 transitions. [2022-07-13 04:16:53,670 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 157 [2022-07-13 04:16:53,670 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:53,670 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:53,671 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:53,671 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:53,672 INFO L752 eck$LassoCheckResult]: Stem: 967#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 898#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 840#L969 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 841#L962 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 869#L977 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 878#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 879#L212 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 940#L888-2 [2022-07-13 04:16:53,672 INFO L754 eck$LassoCheckResult]: Loop: 940#L888-2 assume !false; 821#L889 assume test_~splverifierCounter~0#1 < 4; 822#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 917#L898 assume !(0 != test_~tmp~9#1); 906#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 907#L908 assume !(0 != test_~tmp___0~2#1); 808#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 820#L918 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 838#L926 assume !(0 != test_~tmp___1~0#1); 955#L926-2 assume { :begin_inline_timeShift } true; 870#L658 assume !(0 != ~pumpRunning~0); 852#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 914#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 871#L690-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 872#L682-3 assume { :end_inline_processEnvironment__wrappee__base } true; 813#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 817#L716-1 assume { :end_inline_processEnvironment } true; 884#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 885#L100-3 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 909#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 910#L629-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 939#L675 assume { :end_inline_timeShift } true; 940#L888-2 [2022-07-13 04:16:53,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,673 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-07-13 04:16:53,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,674 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210420069] [2022-07-13 04:16:53,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,697 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,716 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:53,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1432805359, now seen corresponding path program 1 times [2022-07-13 04:16:53,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,717 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365664482] [2022-07-13 04:16:53,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 04:16:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 04:16:53,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 04:16:53,730 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365664482] [2022-07-13 04:16:53,731 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365664482] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 04:16:53,731 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 04:16:53,731 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 04:16:53,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482092585] [2022-07-13 04:16:53,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 04:16:53,732 INFO L769 eck$LassoCheckResult]: loop already infeasible [2022-07-13 04:16:53,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 04:16:53,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 04:16:53,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 04:16:53,733 INFO L87 Difference]: Start difference. First operand 224 states and 296 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:53,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 04:16:53,795 INFO L93 Difference]: Finished difference Result 281 states and 354 transitions. [2022-07-13 04:16:53,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 04:16:53,796 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 281 states and 354 transitions. [2022-07-13 04:16:53,798 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2022-07-13 04:16:53,801 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 281 states to 281 states and 354 transitions. [2022-07-13 04:16:53,802 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 281 [2022-07-13 04:16:53,802 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 281 [2022-07-13 04:16:53,802 INFO L73 IsDeterministic]: Start isDeterministic. Operand 281 states and 354 transitions. [2022-07-13 04:16:53,803 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-07-13 04:16:53,803 INFO L369 hiAutomatonCegarLoop]: Abstraction has 281 states and 354 transitions. [2022-07-13 04:16:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states and 354 transitions. [2022-07-13 04:16:53,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2022-07-13 04:16:53,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.2597864768683273) internal successors, (354), 280 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-13 04:16:53,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 354 transitions. [2022-07-13 04:16:53,815 INFO L392 hiAutomatonCegarLoop]: Abstraction has 281 states and 354 transitions. [2022-07-13 04:16:53,815 INFO L374 stractBuchiCegarLoop]: Abstraction has 281 states and 354 transitions. [2022-07-13 04:16:53,815 INFO L287 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-07-13 04:16:53,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 354 transitions. [2022-07-13 04:16:53,817 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 201 [2022-07-13 04:16:53,817 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-07-13 04:16:53,817 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-07-13 04:16:53,826 INFO L179 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:53,826 INFO L180 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 04:16:53,827 INFO L752 eck$LassoCheckResult]: Stem: 1505#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(30, 9);call #Ultimate.allocInit(9, 10);call #Ultimate.allocInit(21, 11);call #Ultimate.allocInit(30, 12);call #Ultimate.allocInit(9, 13);call #Ultimate.allocInit(21, 14);call #Ultimate.allocInit(30, 15);call #Ultimate.allocInit(9, 16);call #Ultimate.allocInit(25, 17);call #Ultimate.allocInit(30, 18);call #Ultimate.allocInit(9, 19);call #Ultimate.allocInit(25, 20);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 1410#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1352#L969 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1353#L962 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1; 1382#L977 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1392#L239 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1393#L212 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet48#1, test_#t~nondet49#1, test_#t~nondet50#1, test_#t~nondet51#1, test_~splverifierCounter~0#1, test_~tmp~9#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~9#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1466#L888-2 [2022-07-13 04:16:53,827 INFO L754 eck$LassoCheckResult]: Loop: 1466#L888-2 assume !false; 1332#L889 assume test_~splverifierCounter~0#1 < 4; 1333#L890 test_~tmp~9#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 1430#L898 assume !(0 != test_~tmp~9#1); 1420#L898-2 test_~tmp___0~2#1 := test_#t~nondet49#1;havoc test_#t~nondet49#1; 1421#L908 assume !(0 != test_~tmp___0~2#1); 1318#L908-2 test_~tmp___2~0#1 := test_#t~nondet50#1;havoc test_#t~nondet50#1; 1349#L918 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet51#1;havoc test_#t~nondet51#1; 1350#L926 assume !(0 != test_~tmp___1~0#1); 1492#L926-2 assume { :begin_inline_timeShift } true; 1559#L658 assume !(0 != ~pumpRunning~0); 1496#L658-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret36#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1; 1428#L716 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1, processEnvironment__wrappee__methaneQuery_~tmp~5#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~5#1; 1385#L690-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret47#1, isHighWaterLevel_~retValue_acc~9#1, isHighWaterLevel_~tmp~8#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~9#1;havoc isHighWaterLevel_~tmp~8#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1; 1386#L140-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1; 1422#L145-1 isHighWaterLevel_#t~ret47#1 := isHighWaterSensorDry_#res#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~8#1 := isHighWaterLevel_#t~ret47#1;havoc isHighWaterLevel_#t~ret47#1; 1462#L835-3 assume 0 != isHighWaterLevel_~tmp~8#1;isHighWaterLevel_~tmp___0~1#1 := 0; 1506#L835-5 isHighWaterLevel_~retValue_acc~9#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~9#1; 1488#L841-1 processEnvironment__wrappee__methaneQuery_#t~ret35#1 := isHighWaterLevel_#res#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~5#1 := processEnvironment__wrappee__methaneQuery_#t~ret35#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret35#1; 1347#L694-3 assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~5#1);assume { :begin_inline_processEnvironment__wrappee__base } true; 1335#L682-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1323#L690-3 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 1327#L716-1 assume { :end_inline_processEnvironment } true; 1504#L665-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33#1, __utac_acc__Specification1_spec__1_#t~ret34#1, __utac_acc__Specification1_spec__1_~tmp~4#1, __utac_acc__Specification1_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification1_spec__1_~tmp~4#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1572#L100-3 __utac_acc__Specification1_spec__1_#t~ret33#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~4#1 := __utac_acc__Specification1_spec__1_#t~ret33#1;havoc __utac_acc__Specification1_spec__1_#t~ret33#1; 1569#L629 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~4#1); 1568#L629-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1567#L675 assume { :end_inline_timeShift } true; 1466#L888-2 [2022-07-13 04:16:53,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-07-13 04:16:53,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676033613] [2022-07-13 04:16:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,847 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:53,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1100745271, now seen corresponding path program 1 times [2022-07-13 04:16:53,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627595664] [2022-07-13 04:16:53,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,870 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:53,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 04:16:53,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1943240077, now seen corresponding path program 1 times [2022-07-13 04:16:53,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 04:16:53,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604854407] [2022-07-13 04:16:53,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 04:16:53,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 04:16:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,894 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-07-13 04:16:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-07-13 04:16:53,917 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-07-13 04:16:56,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.07 04:16:56 BoogieIcfgContainer [2022-07-13 04:16:56,757 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-07-13 04:16:56,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 04:16:56,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 04:16:56,758 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 04:16:56,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 04:16:52" (3/4) ... [2022-07-13 04:16:56,761 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-07-13 04:16:56,805 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 04:16:56,805 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 04:16:56,806 INFO L158 Benchmark]: Toolchain (without parser) took 5196.09ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 96.0MB in the beginning and 109.6MB in the end (delta: -13.6MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,807 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 04:16:56,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 448.75ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 96.2MB in the end (delta: -469.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.97ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 92.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,808 INFO L158 Benchmark]: Boogie Preprocessor took 64.03ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,809 INFO L158 Benchmark]: RCFGBuilder took 481.96ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 100.8MB in the end (delta: -10.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,809 INFO L158 Benchmark]: BuchiAutomizer took 4062.93ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 100.2MB in the beginning and 112.6MB in the end (delta: -12.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,810 INFO L158 Benchmark]: Witness Printer took 47.86ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 109.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 04:16:56,812 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 86.0MB. Free memory was 42.9MB in the beginning and 42.9MB in the end (delta: 39.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 448.75ms. Allocated memory is still 130.0MB. Free memory was 95.8MB in the beginning and 96.2MB in the end (delta: -469.9kB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.97ms. Allocated memory is still 130.0MB. Free memory was 96.2MB in the beginning and 92.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.03ms. Allocated memory is still 130.0MB. Free memory was 92.4MB in the beginning and 89.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.96ms. Allocated memory is still 130.0MB. Free memory was 89.9MB in the beginning and 100.8MB in the end (delta: -10.9MB). Peak memory consumption was 25.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 4062.93ms. Allocated memory was 130.0MB in the beginning and 167.8MB in the end (delta: 37.7MB). Free memory was 100.2MB in the beginning and 112.6MB in the end (delta: -12.4MB). Peak memory consumption was 93.9MB. Max. memory is 16.1GB. * Witness Printer took 47.86ms. Allocated memory is still 167.8MB. Free memory was 112.6MB in the beginning and 109.6MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 281 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 3.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 330 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1290 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1290 mSDsluCounter, 1958 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1504 mSDsCounter, 36 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 83 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 36 mSolverCounterUnsat, 454 mSDtfsCounter, 83 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 888]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=1} State at position 1 is {splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@73d86d4b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d863701=0, NULL=0, tmp___0=0, head=0, pumpRunning=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@338c09f9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@21b303ad=0, tmp___0=0, NULL=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c327cd1=0, tmp=0, retValue_acc=1, methaneLevelCritical=0, retValue_acc=0, tmp=0, retValue_acc=1, \result=0, retValue_acc=0, tmp=1, \result=1, \result=1, tmp___2=0, cleanupTimeShifts=4, tmp=1, \result=0, head=0, tmp___1=0, NULL=0, waterLevel=1, systemActive=1, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@297e0bd9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3b77b2b3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7ad0fd72=0, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@634acaf3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6bab188d=0, tmp=0, tmp=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 888]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L57] int waterLevel = 1; [L58] int methaneLevelCritical = 0; [L151] int cleanupTimeShifts = 4; [L422] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L651] int pumpRunning = 0; [L652] int systemActive = 1; [L230] int retValue_acc ; [L231] int tmp ; [L235] FCALL select_helpers() [L236] FCALL select_features() [L237] CALL, EXPR valid_product() [L973] int retValue_acc ; [L976] retValue_acc = 1 [L977] return (retValue_acc); [L237] RET, EXPR valid_product() [L237] tmp = valid_product() [L239] COND TRUE \read(tmp) [L241] FCALL setup() [L242] CALL runTest() [L221] CALL test() [L879] int splverifierCounter ; [L880] int tmp ; [L881] int tmp___0 ; [L882] int tmp___1 ; [L883] int tmp___2 ; [L886] splverifierCounter = 0 Loop: [L888] COND TRUE 1 [L890] COND TRUE splverifierCounter < 4 [L896] tmp = __VERIFIER_nondet_int() [L898] COND FALSE !(\read(tmp)) [L906] tmp___0 = __VERIFIER_nondet_int() [L908] COND FALSE !(\read(tmp___0)) [L916] tmp___2 = __VERIFIER_nondet_int() [L918] COND FALSE !(\read(tmp___2)) [L924] tmp___1 = __VERIFIER_nondet_int() [L926] COND FALSE !(\read(tmp___1)) [L935] CALL timeShift() [L658] COND FALSE !(\read(pumpRunning)) [L665] COND TRUE \read(systemActive) [L667] CALL processEnvironment() [L713] int tmp ; [L716] COND FALSE !(\read(pumpRunning)) [L731] CALL processEnvironment__wrappee__methaneQuery() [L687] int tmp ; [L690] COND TRUE ! pumpRunning [L692] CALL, EXPR isHighWaterLevel() [L827] int retValue_acc ; [L828] int tmp ; [L829] int tmp___0 ; [L833] CALL, EXPR isHighWaterSensorDry() [L137] int retValue_acc ; [L140] COND TRUE waterLevel < 2 [L141] retValue_acc = 1 [L142] return (retValue_acc); [L833] RET, EXPR isHighWaterSensorDry() [L833] tmp = isHighWaterSensorDry() [L835] COND TRUE \read(tmp) [L836] tmp___0 = 0 [L840] retValue_acc = tmp___0 [L841] return (retValue_acc); [L692] RET, EXPR isHighWaterLevel() [L692] tmp = isHighWaterLevel() [L694] COND FALSE !(\read(tmp)) [L700] FCALL processEnvironment__wrappee__base() [L731] RET processEnvironment__wrappee__methaneQuery() [L667] RET processEnvironment() [L673] CALL __utac_acc__Specification1_spec__1() [L622] int tmp ; [L623] int tmp___0 ; [L627] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L627] RET, EXPR isMethaneLevelCritical() [L627] tmp = isMethaneLevelCritical() [L629] COND FALSE !(\read(tmp)) [L673] RET __utac_acc__Specification1_spec__1() [L935] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-07-13 04:16:56,856 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)