./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 03d7b7b3 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- Real Ultimate output --- This is Ultimate 0.2.2-dev-03d7b7b [2022-02-21 04:16:00,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-21 04:16:00,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-21 04:16:00,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-21 04:16:00,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-21 04:16:00,251 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-21 04:16:00,253 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-21 04:16:00,258 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-21 04:16:00,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-21 04:16:00,265 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-21 04:16:00,266 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-21 04:16:00,267 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-21 04:16:00,267 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-21 04:16:00,269 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-21 04:16:00,271 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-21 04:16:00,272 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-21 04:16:00,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-21 04:16:00,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-21 04:16:00,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-21 04:16:00,280 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-21 04:16:00,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-21 04:16:00,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-21 04:16:00,285 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-21 04:16:00,286 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-21 04:16:00,290 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-21 04:16:00,294 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-21 04:16:00,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-21 04:16:00,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-21 04:16:00,297 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-21 04:16:00,297 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-21 04:16:00,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-21 04:16:00,298 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-21 04:16:00,299 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-21 04:16:00,300 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-21 04:16:00,301 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-21 04:16:00,302 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-21 04:16:00,303 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-21 04:16:00,303 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-21 04:16:00,303 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-21 04:16:00,304 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-21 04:16:00,304 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-21 04:16:00,305 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-02-21 04:16:00,331 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-21 04:16:00,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-21 04:16:00,332 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-21 04:16:00,332 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-21 04:16:00,333 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-21 04:16:00,333 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-21 04:16:00,333 INFO L138 SettingsManager]: * Use SBE=true [2022-02-21 04:16:00,333 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-02-21 04:16:00,333 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-02-21 04:16:00,334 INFO L138 SettingsManager]: * Use old map elimination=false [2022-02-21 04:16:00,334 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-02-21 04:16:00,334 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-02-21 04:16:00,334 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-02-21 04:16:00,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-21 04:16:00,335 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-21 04:16:00,335 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-02-21 04:16:00,335 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-21 04:16:00,335 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-21 04:16:00,336 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-21 04:16:00,337 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-02-21 04:16:00,337 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-21 04:16:00,337 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-02-21 04:16:00,338 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-21 04:16:00,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-21 04:16:00,339 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-21 04:16:00,339 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-21 04:16:00,340 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-02-21 04:16:00,340 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2022-02-21 04:16:00,580 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-21 04:16:00,602 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-21 04:16:00,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-21 04:16:00,605 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-21 04:16:00,606 INFO L275 PluginConnector]: CDTParser initialized [2022-02-21 04:16:00,607 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-02-21 04:16:00,667 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634ccab1e/08eae5e0bbee4ea38e523e8b05a3d44a/FLAG8bf2980b0 [2022-02-21 04:16:01,132 INFO L306 CDTParser]: Found 1 translation units. [2022-02-21 04:16:01,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-02-21 04:16:01,140 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634ccab1e/08eae5e0bbee4ea38e523e8b05a3d44a/FLAG8bf2980b0 [2022-02-21 04:16:01,498 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/634ccab1e/08eae5e0bbee4ea38e523e8b05a3d44a [2022-02-21 04:16:01,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-21 04:16:01,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-02-21 04:16:01,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:01,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-21 04:16:01,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-21 04:16:01,512 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:01,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f2298ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01, skipping insertion in model container [2022-02-21 04:16:01,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:01,520 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-21 04:16:01,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-21 04:16:01,778 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_spec2_product16.cil.c[11828,11841] [2022-02-21 04:16:01,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:01,841 INFO L203 MainTranslator]: Completed pre-run [2022-02-21 04:16:01,921 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_spec2_product16.cil.c[11828,11841] [2022-02-21 04:16:01,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-21 04:16:01,965 INFO L208 MainTranslator]: Completed translation [2022-02-21 04:16:01,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01 WrapperNode [2022-02-21 04:16:01,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-21 04:16:01,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:01,967 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-21 04:16:01,967 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-21 04:16:01,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:01,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,042 INFO L137 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 51, calls inlined = 51, statements flattened = 385 [2022-02-21 04:16:02,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-21 04:16:02,044 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-21 04:16:02,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-21 04:16:02,044 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-21 04:16:02,051 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,052 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,054 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,065 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,080 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,082 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,084 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-21 04:16:02,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-21 04:16:02,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-21 04:16:02,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-21 04:16:02,095 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (1/1) ... [2022-02-21 04:16:02,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-02-21 04:16:02,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-21 04:16:02,125 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-02-21 04:16:02,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-02-21 04:16:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-21 04:16:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-21 04:16:02,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-21 04:16:02,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-21 04:16:02,266 INFO L234 CfgBuilder]: Building ICFG [2022-02-21 04:16:02,268 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-21 04:16:02,607 INFO L275 CfgBuilder]: Performing block encoding [2022-02-21 04:16:02,614 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-21 04:16:02,615 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-21 04:16:02,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:02 BoogieIcfgContainer [2022-02-21 04:16:02,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-21 04:16:02,619 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-02-21 04:16:02,619 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-02-21 04:16:02,622 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-02-21 04:16:02,623 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:02,623 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.02 04:16:01" (1/3) ... [2022-02-21 04:16:02,625 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@711dd511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:02, skipping insertion in model container [2022-02-21 04:16:02,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:02,625 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:16:01" (2/3) ... [2022-02-21 04:16:02,625 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@711dd511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.02 04:16:02, skipping insertion in model container [2022-02-21 04:16:02,625 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-02-21 04:16:02,626 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:02" (3/3) ... [2022-02-21 04:16:02,627 INFO L388 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2022-02-21 04:16:02,687 INFO L359 BuchiCegarLoop]: Interprodecural is true [2022-02-21 04:16:02,687 INFO L360 BuchiCegarLoop]: Hoare is false [2022-02-21 04:16:02,687 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-02-21 04:16:02,688 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-02-21 04:16:02,688 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-02-21 04:16:02,688 INFO L364 BuchiCegarLoop]: Difference is false [2022-02-21 04:16:02,688 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-02-21 04:16:02,688 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2022-02-21 04:16:02,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:02,790 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-02-21 04:16:02,790 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:02,790 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:02,794 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:02,795 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:02,795 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2022-02-21 04:16:02,797 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:02,807 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2022-02-21 04:16:02,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:02,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:02,809 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:02,810 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:02,814 INFO L791 eck$LassoCheckResult]: Stem: 95#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 30#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 47#L75true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 101#L68true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 19#L83true main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 77#L636true assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 38#L610true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 18#L904true assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 48#L839-2true [2022-02-21 04:16:02,816 INFO L793 eck$LassoCheckResult]: Loop: 48#L839-2true assume !false; 84#L840true assume test_~splverifierCounter~0#1 < 4; 63#L841true test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 104#L849true assume !(0 != test_~tmp~6#1); 20#L849-2true test_~tmp___0~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 92#L859true assume !(0 != test_~tmp___0~0#1); 50#L859-2true test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 35#L869true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; 15#L877true assume !(0 != test_~tmp___1~0#1); 41#L877-2true assume { :begin_inline_timeShift } true; 11#L663true assume !(0 != ~pumpRunning~0); 22#L663-2true assume !(0 != ~systemActive~0); 64#L670-1true assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 76#L512-1true __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 75#L915true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 62#L915-1true assume { :end_inline___utac_acc__Specification2_spec__2 } true; 100#L680true assume { :end_inline_timeShift } true; 48#L839-2true [2022-02-21 04:16:02,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:02,821 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times [2022-02-21 04:16:02,839 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:02,840 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395600222] [2022-02-21 04:16:02,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:02,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:03,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:03,017 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:03,079 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:03,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:03,082 INFO L85 PathProgramCache]: Analyzing trace with hash -2042358121, now seen corresponding path program 1 times [2022-02-21 04:16:03,083 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:03,084 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943654552] [2022-02-21 04:16:03,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:03,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:03,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:03,110 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:03,118 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:03,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:03,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1516667598, now seen corresponding path program 1 times [2022-02-21 04:16:03,124 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:03,125 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106511335] [2022-02-21 04:16:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:03,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-21 04:16:03,343 INFO L290 TraceCheckUtils]: 0: Hoare triple {113#true} assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; {115#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:03,344 INFO L290 TraceCheckUtils]: 1: Hoare triple {115#(= 1 ~systemActive~0)} assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; {115#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:03,344 INFO L290 TraceCheckUtils]: 2: Hoare triple {115#(= 1 ~systemActive~0)} assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; {115#(= 1 ~systemActive~0)} is VALID [2022-02-21 04:16:03,345 INFO L290 TraceCheckUtils]: 3: Hoare triple {115#(= 1 ~systemActive~0)} assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; {116#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} is VALID [2022-02-21 04:16:03,346 INFO L290 TraceCheckUtils]: 4: Hoare triple {116#(= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)} main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; {117#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} is VALID [2022-02-21 04:16:03,346 INFO L290 TraceCheckUtils]: 5: Hoare triple {117#(= |ULTIMATE.start_main_~tmp~3#1| ~systemActive~0)} assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,347 INFO L290 TraceCheckUtils]: 6: Hoare triple {118#(not (= 0 ~systemActive~0))} assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,347 INFO L290 TraceCheckUtils]: 7: Hoare triple {118#(not (= 0 ~systemActive~0))} assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,348 INFO L290 TraceCheckUtils]: 8: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !false; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,349 INFO L290 TraceCheckUtils]: 9: Hoare triple {118#(not (= 0 ~systemActive~0))} assume test_~splverifierCounter~0#1 < 4; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,350 INFO L290 TraceCheckUtils]: 10: Hoare triple {118#(not (= 0 ~systemActive~0))} test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,350 INFO L290 TraceCheckUtils]: 11: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp~6#1); {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,351 INFO L290 TraceCheckUtils]: 12: Hoare triple {118#(not (= 0 ~systemActive~0))} test_~tmp___0~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,351 INFO L290 TraceCheckUtils]: 13: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___0~0#1); {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,352 INFO L290 TraceCheckUtils]: 14: Hoare triple {118#(not (= 0 ~systemActive~0))} test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,353 INFO L290 TraceCheckUtils]: 15: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet48#1;havoc test_#t~nondet48#1; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,354 INFO L290 TraceCheckUtils]: 16: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != test_~tmp___1~0#1); {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,354 INFO L290 TraceCheckUtils]: 17: Hoare triple {118#(not (= 0 ~systemActive~0))} assume { :begin_inline_timeShift } true; {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,355 INFO L290 TraceCheckUtils]: 18: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != ~pumpRunning~0); {118#(not (= 0 ~systemActive~0))} is VALID [2022-02-21 04:16:03,358 INFO L290 TraceCheckUtils]: 19: Hoare triple {118#(not (= 0 ~systemActive~0))} assume !(0 != ~systemActive~0); {114#false} is VALID [2022-02-21 04:16:03,358 INFO L290 TraceCheckUtils]: 20: Hoare triple {114#false} assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; {114#false} is VALID [2022-02-21 04:16:03,359 INFO L290 TraceCheckUtils]: 21: Hoare triple {114#false} __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; {114#false} is VALID [2022-02-21 04:16:03,359 INFO L290 TraceCheckUtils]: 22: Hoare triple {114#false} assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; {114#false} is VALID [2022-02-21 04:16:03,360 INFO L290 TraceCheckUtils]: 23: Hoare triple {114#false} assume { :end_inline___utac_acc__Specification2_spec__2 } true; {114#false} is VALID [2022-02-21 04:16:03,361 INFO L290 TraceCheckUtils]: 24: Hoare triple {114#false} assume { :end_inline_timeShift } true; {114#false} is VALID [2022-02-21 04:16:03,363 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-21 04:16:03,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-21 04:16:03,364 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106511335] [2022-02-21 04:16:03,364 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2106511335] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-21 04:16:03,365 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-21 04:16:03,365 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-21 04:16:03,365 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477641498] [2022-02-21 04:16:03,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-21 04:16:03,525 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-21 04:16:03,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-21 04:16:03,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-02-21 04:16:03,555 INFO L87 Difference]: Start difference. First operand has 105 states, 104 states have (on average 1.3653846153846154) internal successors, (142), 104 states have internal predecessors, (142), 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 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:04,395 INFO L93 Difference]: Finished difference Result 355 states and 456 transitions. [2022-02-21 04:16:04,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-21 04:16:04,397 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,425 INFO L122 InductivityCheck]: Floyd-Hoare automaton has 25 edges. 25 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2022-02-21 04:16:04,429 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 355 states and 456 transitions. [2022-02-21 04:16:04,457 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 228 [2022-02-21 04:16:04,478 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 355 states to 315 states and 416 transitions. [2022-02-21 04:16:04,481 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 315 [2022-02-21 04:16:04,482 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 315 [2022-02-21 04:16:04,483 INFO L73 IsDeterministic]: Start isDeterministic. Operand 315 states and 416 transitions. [2022-02-21 04:16:04,487 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-02-21 04:16:04,487 INFO L681 BuchiCegarLoop]: Abstraction has 315 states and 416 transitions. [2022-02-21 04:16:04,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states and 416 transitions. [2022-02-21 04:16:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 147. [2022-02-21 04:16:04,528 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2022-02-21 04:16:04,530 INFO L82 GeneralOperation]: Start isEquivalent. First operand 315 states and 416 transitions. Second operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,531 INFO L74 IsIncluded]: Start isIncluded. First operand 315 states and 416 transitions. Second operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,533 INFO L87 Difference]: Start difference. First operand 315 states and 416 transitions. Second operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:04,543 INFO L93 Difference]: Finished difference Result 315 states and 416 transitions. [2022-02-21 04:16:04,544 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 416 transitions. [2022-02-21 04:16:04,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:04,546 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:04,547 INFO L74 IsIncluded]: Start isIncluded. First operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 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 315 states and 416 transitions. [2022-02-21 04:16:04,547 INFO L87 Difference]: Start difference. First operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 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 315 states and 416 transitions. [2022-02-21 04:16:04,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-02-21 04:16:04,556 INFO L93 Difference]: Finished difference Result 315 states and 416 transitions. [2022-02-21 04:16:04,556 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 416 transitions. [2022-02-21 04:16:04,558 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-02-21 04:16:04,558 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2022-02-21 04:16:04,558 INFO L88 GeneralOperation]: Finished isEquivalent. [2022-02-21 04:16:04,558 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2022-02-21 04:16:04,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 147 states have (on average 1.3265306122448979) internal successors, (195), 146 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-21 04:16:04,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 195 transitions. [2022-02-21 04:16:04,564 INFO L704 BuchiCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-02-21 04:16:04,564 INFO L587 BuchiCegarLoop]: Abstraction has 147 states and 195 transitions. [2022-02-21 04:16:04,564 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2022-02-21 04:16:04,564 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 147 states and 195 transitions. [2022-02-21 04:16:04,565 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 105 [2022-02-21 04:16:04,565 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-02-21 04:16:04,565 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-02-21 04:16:04,566 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:04,566 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-21 04:16:04,566 INFO L791 eck$LassoCheckResult]: Stem: 565#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);call #Ultimate.allocInit(13, 16);call #Ultimate.allocInit(7, 17);call write~init~int(44, 17, 0, 1);call write~init~int(77, 17, 1, 1);call write~init~int(101, 17, 2, 1);call write~init~int(116, 17, 3, 1);call write~init~int(104, 17, 4, 1);call write~init~int(58, 17, 5, 1);call write~init~int(0, 17, 6, 1);call #Ultimate.allocInit(5, 18);call write~init~int(67, 18, 0, 1);call write~init~int(82, 18, 1, 1);call write~init~int(73, 18, 2, 1);call write~init~int(84, 18, 3, 1);call write~init~int(0, 18, 4, 1);call #Ultimate.allocInit(3, 19);call write~init~int(79, 19, 0, 1);call write~init~int(75, 19, 1, 1);call write~init~int(0, 19, 2, 1);call #Ultimate.allocInit(2, 20);call write~init~int(41, 20, 0, 1);call write~init~int(0, 20, 1, 1);call #Ultimate.allocInit(13, 21);call #Ultimate.allocInit(3, 22);call write~init~int(79, 22, 0, 1);call write~init~int(110, 22, 1, 1);call write~init~int(0, 22, 2, 1);call #Ultimate.allocInit(4, 23);call write~init~int(79, 23, 0, 1);call write~init~int(102, 23, 1, 1);call write~init~int(102, 23, 2, 1);call write~init~int(0, 23, 3, 1);call #Ultimate.allocInit(7, 24);call write~init~int(44, 24, 0, 1);call write~init~int(80, 24, 1, 1);call write~init~int(117, 24, 2, 1);call write~init~int(109, 24, 3, 1);call write~init~int(112, 24, 4, 1);call write~init~int(58, 24, 5, 1);call write~init~int(0, 24, 6, 1);call #Ultimate.allocInit(3, 25);call write~init~int(79, 25, 0, 1);call write~init~int(110, 25, 1, 1);call write~init~int(0, 25, 2, 1);call #Ultimate.allocInit(4, 26);call write~init~int(79, 26, 0, 1);call write~init~int(102, 26, 1, 1);call write~init~int(102, 26, 2, 1);call write~init~int(0, 26, 3, 1);call #Ultimate.allocInit(3, 27);call write~init~int(41, 27, 0, 1);call write~init~int(32, 27, 1, 1);call write~init~int(0, 27, 2, 1);call #Ultimate.allocInit(2, 28);call write~init~int(10, 28, 0, 1);call write~init~int(0, 28, 1, 1);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0; 553#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret33#1, main_~retValue_acc~7#1, main_~tmp~3#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~3#1;assume { :begin_inline_select_helpers } true; 554#L75 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 568#L68 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~1#1;havoc valid_product_~retValue_acc~1#1;valid_product_~retValue_acc~1#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~1#1; 533#L83 main_#t~ret33#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret33#1;havoc main_#t~ret33#1; 534#L636 assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true; 538#L610 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0; 531#L904 assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet45#1, test_#t~nondet46#1, test_#t~nondet47#1, test_#t~nondet48#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 532#L839-2 [2022-02-21 04:16:04,567 INFO L793 eck$LassoCheckResult]: Loop: 532#L839-2 assume !false; 552#L840 assume test_~splverifierCounter~0#1 < 4; 498#L841 test_~tmp~6#1 := test_#t~nondet45#1;havoc test_#t~nondet45#1; 499#L849 assume !(0 != test_~tmp~6#1); 535#L849-2 test_~tmp___0~0#1 := test_#t~nondet46#1;havoc test_#t~nondet46#1; 536#L859 assume !(0 != test_~tmp___0~0#1); 561#L859-2 test_~tmp___2~0#1 := test_#t~nondet47#1;havoc test_#t~nondet47#1; 563#L869 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 564#L825 assume { :end_inline_startSystem } true; 520#L877-2 assume { :begin_inline_timeShift } true; 511#L663 assume !(0 != ~pumpRunning~0); 512#L663-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret34#1, processEnvironment_~tmp~4#1;havoc processEnvironment_~tmp~4#1; 541#L695 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true; 562#L687-1 assume { :end_inline_processEnvironment__wrappee__methaneQuery } true; 503#L695-1 assume { :end_inline_processEnvironment } true; 500#L670-1 assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret49#1, __utac_acc__Specification2_spec__2_#t~ret50#1, __utac_acc__Specification2_spec__2_~tmp~7#1, __utac_acc__Specification2_spec__2_~tmp___0~1#1;havoc __utac_acc__Specification2_spec__2_~tmp~7#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;havoc isMethaneLevelCritical_~retValue_acc~5#1;isMethaneLevelCritical_~retValue_acc~5#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~5#1; 501#L512-1 __utac_acc__Specification2_spec__2_#t~ret49#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~7#1 := __utac_acc__Specification2_spec__2_#t~ret49#1;havoc __utac_acc__Specification2_spec__2_#t~ret49#1; 537#L915 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~7#1);~methAndRunningLastTime~0 := 0; 496#L915-1 assume { :end_inline___utac_acc__Specification2_spec__2 } true; 497#L680 assume { :end_inline_timeShift } true; 532#L839-2 [2022-02-21 04:16:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:04,567 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times [2022-02-21 04:16:04,567 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:04,568 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [706599532] [2022-02-21 04:16:04,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:04,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,579 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:04,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,591 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:04,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:04,592 INFO L85 PathProgramCache]: Analyzing trace with hash -1544573191, now seen corresponding path program 1 times [2022-02-21 04:16:04,592 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:04,592 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190371643] [2022-02-21 04:16:04,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:04,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,601 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,606 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:04,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-21 04:16:04,607 INFO L85 PathProgramCache]: Analyzing trace with hash -172047518, now seen corresponding path program 1 times [2022-02-21 04:16:04,607 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-21 04:16:04,607 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248935648] [2022-02-21 04:16:04,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-21 04:16:04,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-21 04:16:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,620 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-21 04:16:04,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-21 04:16:04,633 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-21 04:16:07,626 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.02 04:16:07 BoogieIcfgContainer [2022-02-21 04:16:07,626 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-02-21 04:16:07,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-02-21 04:16:07,627 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-02-21 04:16:07,627 INFO L275 PluginConnector]: Witness Printer initialized [2022-02-21 04:16:07,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:16:02" (3/4) ... [2022-02-21 04:16:07,629 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-02-21 04:16:07,670 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-02-21 04:16:07,671 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-02-21 04:16:07,672 INFO L158 Benchmark]: Toolchain (without parser) took 6170.52ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 64.8MB in the beginning and 61.1MB in the end (delta: 3.7MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,672 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 104.9MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-02-21 04:16:07,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 458.63ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 67.7MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.07ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,673 INFO L158 Benchmark]: Boogie Preprocessor took 40.51ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,674 INFO L158 Benchmark]: RCFGBuilder took 532.80ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 43.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,674 INFO L158 Benchmark]: BuchiAutomizer took 5007.36ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 63.2MB in the end (delta: -20.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,675 INFO L158 Benchmark]: Witness Printer took 44.17ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-02-21 04:16:07,677 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 0.14ms. Allocated memory is still 104.9MB. Free memory is still 82.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 458.63ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 67.7MB in the end (delta: -3.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.07ms. Allocated memory is still 104.9MB. Free memory was 67.7MB in the beginning and 64.6MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.51ms. Allocated memory is still 104.9MB. Free memory was 64.6MB in the beginning and 62.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 532.80ms. Allocated memory is still 104.9MB. Free memory was 62.5MB in the beginning and 43.0MB in the end (delta: 19.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 5007.36ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 43.0MB in the beginning and 63.2MB in the end (delta: -20.2MB). Peak memory consumption was 37.6MB. Max. memory is 16.1GB. * Witness Printer took 44.17ms. Allocated memory is still 125.8MB. Free memory was 63.2MB in the beginning and 61.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 147 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 168 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 147 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 584 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 584 mSDsluCounter, 1021 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 895 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 52 IncrementalHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 126 mSDtfsCounter, 52 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: 839]: 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, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@237310bc=0, retValue_acc=0, tmp___0=0, NULL=1, methaneLevelCritical=0, tmp=0, \result=0, retValue_acc=1, \result=1, retValue_acc=0, tmp___2=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@649e9f70=0, methAndRunningLastTime=0, tmp=1, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@12e65d20=0, \result=0, tmp=0, head=0, tmp___1=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@cf1390a=0, waterLevel=1, systemActive=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38c4940e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dacaf26=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4431a660=29, tmp___0=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7f29e869=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 839]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L257] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L469] int waterLevel = 1; [L470] int methaneLevelCritical = 0; [L549] int cleanupTimeShifts = 4; [L655] int pumpRunning = 0; [L656] int systemActive = 1; [L898] int methAndRunningLastTime ; [L627] int retValue_acc ; [L628] int tmp ; [L632] FCALL select_helpers() [L633] FCALL select_features() [L634] CALL, EXPR valid_product() [L79] int retValue_acc ; [L82] retValue_acc = 1 [L83] return (retValue_acc); [L634] RET, EXPR valid_product() [L634] tmp = valid_product() [L636] COND TRUE \read(tmp) [L638] FCALL setup() [L639] CALL runTest() [L620] CALL __utac_acc__Specification2_spec__1() [L903] methAndRunningLastTime = 0 [L620] RET __utac_acc__Specification2_spec__1() [L621] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 Loop: [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND TRUE \read(tmp___2) [L871] CALL startSystem() [L824] systemActive = 1 [L871] RET startSystem() [L886] CALL timeShift() [L663] COND FALSE !(\read(pumpRunning)) [L670] COND TRUE \read(systemActive) [L672] CALL processEnvironment() [L692] int tmp ; [L695] COND FALSE !(\read(pumpRunning)) [L710] FCALL processEnvironment__wrappee__methaneQuery() [L672] RET processEnvironment() [L678] CALL __utac_acc__Specification2_spec__2() [L908] int tmp ; [L909] int tmp___0 ; [L913] CALL, EXPR isMethaneLevelCritical() [L508] int retValue_acc ; [L511] retValue_acc = methaneLevelCritical [L512] return (retValue_acc); [L913] RET, EXPR isMethaneLevelCritical() [L913] tmp = isMethaneLevelCritical() [L915] COND FALSE !(\read(tmp)) [L931] methAndRunningLastTime = 0 [L678] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-02-21 04:16:07,740 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)