./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf 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_spec3_product10.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 5afec15b24012ce62630e94cc787fef1371f4427 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................................................................ Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:55:28,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:55:28,563 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:55:28,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:55:28,593 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:55:28,596 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:55:28,597 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:55:28,601 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:55:28,603 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:55:28,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:55:28,615 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:55:28,618 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:55:28,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:55:28,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:55:28,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:55:28,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:55:28,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:55:28,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:55:28,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:55:28,632 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:55:28,633 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:55:28,633 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:55:28,635 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:55:28,636 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:55:28,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:55:28,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:55:28,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:55:28,642 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:55:28,642 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:55:28,643 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:55:28,643 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:55:28,644 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:55:28,645 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:55:28,645 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:55:28,646 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:55:28,646 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:55:28,647 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:55:28,647 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:55:28,647 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:55:28,649 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:55:28,649 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:55:28,652 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:55:28,682 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:55:28,682 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:55:28,683 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:55:28,683 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:55:28,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:55:28,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:55:28,684 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:55:28,685 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:55:28,685 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:55:28,685 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:55:28,685 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:55:28,686 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:55:28,686 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:55:28,686 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:55:28,686 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:55:28,686 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:55:28,686 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:55:28,687 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:55:28,688 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:55:28,688 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:55:28,688 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:55:28,688 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:55:28,688 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:55:28,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:55:28,688 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:55:28,689 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:55:28,690 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:55:28,690 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5afec15b24012ce62630e94cc787fef1371f4427 [2021-08-31 03:55:28,939 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:55:28,953 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:55:28,955 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:55:28,956 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:55:28,956 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:55:28,957 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2021-08-31 03:55:28,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9100d2a0d/98f52314077f4906ba28ff0f3e846b12/FLAG51380e569 [2021-08-31 03:55:29,355 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:55:29,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c [2021-08-31 03:55:29,368 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9100d2a0d/98f52314077f4906ba28ff0f3e846b12/FLAG51380e569 [2021-08-31 03:55:29,741 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9100d2a0d/98f52314077f4906ba28ff0f3e846b12 [2021-08-31 03:55:29,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:55:29,746 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:55:29,749 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:55:29,749 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:55:29,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:55:29,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:55:29" (1/1) ... [2021-08-31 03:55:29,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f6feb1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:29, skipping insertion in model container [2021-08-31 03:55:29,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:55:29" (1/1) ... [2021-08-31 03:55:29,763 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:55:29,804 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:55:29,914 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c[3019,3032] [2021-08-31 03:55:30,056 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:55:30,072 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:55:30,105 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product10.cil.c[3019,3032] [2021-08-31 03:55:30,147 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:55:30,167 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:55:30,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30 WrapperNode [2021-08-31 03:55:30,168 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:55:30,169 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:55:30,169 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:55:30,169 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:55:30,173 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,195 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:55:30,238 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:55:30,238 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:55:30,238 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:55:30,245 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,282 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,298 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:55:30,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:55:30,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:55:30,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:55:30,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (1/1) ... [2021-08-31 03:55:30,306 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:55:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:55:30,343 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) [2021-08-31 03:55:30,407 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 [2021-08-31 03:55:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:55:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:55:30,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:55:30,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:55:30,865 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:55:30,865 INFO L299 CfgBuilder]: Removed 74 assume(true) statements. [2021-08-31 03:55:30,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:55:30 BoogieIcfgContainer [2021-08-31 03:55:30,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:55:30,867 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:55:30,867 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:55:30,869 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:55:30,869 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:55:30,869 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:55:29" (1/3) ... [2021-08-31 03:55:30,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13422d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:55:30, skipping insertion in model container [2021-08-31 03:55:30,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:55:30,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:55:30" (2/3) ... [2021-08-31 03:55:30,885 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13422d7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:55:30, skipping insertion in model container [2021-08-31 03:55:30,885 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:55:30,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:55:30" (3/3) ... [2021-08-31 03:55:30,886 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product10.cil.c [2021-08-31 03:55:30,928 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:55:30,928 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:55:30,928 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:55:30,928 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:55:30,928 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:55:30,928 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:55:30,928 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:55:30,928 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:55:30,943 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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) [2021-08-31 03:55:30,967 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-08-31 03:55:30,967 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:55:30,967 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:55:30,973 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:55:30,973 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:55:30,973 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:55:30,974 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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) [2021-08-31 03:55:30,978 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2021-08-31 03:55:30,978 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:55:30,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:55:30,979 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:55:30,979 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:55:30,984 INFO L791 eck$LassoCheckResult]: Stem: 45#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 31#L-1true havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 43#L67true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 56#L75true main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 28#L865true assume 0 != main_~tmp~6; 42#L842true havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 30#L764-1true [2021-08-31 03:55:30,994 INFO L793 eck$LassoCheckResult]: Loop: 30#L764-1true assume !false; 52#L555true assume test_~splverifierCounter~0 < 4; 47#L556true test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 17#L564true assume !(0 != test_~tmp~3); 6#L564-1true test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 40#L574true assume !(0 != test_~tmp___0~0); 57#L574-1true test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 48#L584true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 4#L592-2true assume !(0 != ~pumpRunning~0); 5#L623true assume 0 != ~systemActive~0; 18#L630true havoc __utac_acc__Specification3_spec__1_#t~ret75, __utac_acc__Specification3_spec__1_#t~ret76, __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 36#L129true __utac_acc__Specification3_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret75;havoc __utac_acc__Specification3_spec__1_#t~ret75; 26#L758true assume 0 != __utac_acc__Specification3_spec__1_~tmp~5; 30#L764-1true [2021-08-31 03:55:30,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:30,999 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:55:31,006 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:31,011 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627656328] [2021-08-31 03:55:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:31,012 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:31,233 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:31,377 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:31,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:31,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1681619239, now seen corresponding path program 1 times [2021-08-31 03:55:31,379 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:31,379 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731615764] [2021-08-31 03:55:31,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:31,380 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:31,383 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:31,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:31,388 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:31,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:31,392 INFO L82 PathProgramCache]: Analyzing trace with hash 32659699, now seen corresponding path program 1 times [2021-08-31 03:55:31,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:31,393 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89818589] [2021-08-31 03:55:31,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:31,393 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:55:31,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:55:31,546 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:55:31,547 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89818589] [2021-08-31 03:55:31,550 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89818589] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:55:31,550 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:55:31,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:55:31,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [889101642] [2021-08-31 03:55:31,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:55:31,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:55:31,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:55:31,715 INFO L87 Difference]: Start difference. First operand has 60 states, 59 states have (on average 1.5254237288135593) internal successors, (90), 59 states have internal predecessors, (90), 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 5 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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) [2021-08-31 03:55:32,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:55:32,172 INFO L93 Difference]: Finished difference Result 185 states and 263 transitions. [2021-08-31 03:55:32,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 03:55:32,177 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 185 states and 263 transitions. [2021-08-31 03:55:32,182 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2021-08-31 03:55:32,185 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 185 states to 163 states and 241 transitions. [2021-08-31 03:55:32,186 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 163 [2021-08-31 03:55:32,186 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 163 [2021-08-31 03:55:32,187 INFO L73 IsDeterministic]: Start isDeterministic. Operand 163 states and 241 transitions. [2021-08-31 03:55:32,188 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:55:32,188 INFO L681 BuchiCegarLoop]: Abstraction has 163 states and 241 transitions. [2021-08-31 03:55:32,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states and 241 transitions. [2021-08-31 03:55:32,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 100. [2021-08-31 03:55:32,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 100 states have (on average 1.4) internal successors, (140), 99 states have internal predecessors, (140), 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) [2021-08-31 03:55:32,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 140 transitions. [2021-08-31 03:55:32,209 INFO L704 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2021-08-31 03:55:32,209 INFO L587 BuchiCegarLoop]: Abstraction has 100 states and 140 transitions. [2021-08-31 03:55:32,209 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:55:32,210 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 100 states and 140 transitions. [2021-08-31 03:55:32,211 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 70 [2021-08-31 03:55:32,211 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:55:32,211 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:55:32,211 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:55:32,211 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:55:32,212 INFO L791 eck$LassoCheckResult]: Stem: 322#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(30);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(9);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(30);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(9);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(25);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(13);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(110, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 2 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(102, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 3 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string66.base, #t~string66.offset, 1);call write~init~int(80, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(117, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(109, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(112, #t~string66.base, 4 + #t~string66.offset, 1);call write~init~int(58, #t~string66.base, 5 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 6 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(110, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string70.base, #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(102, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 3 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string72.base, #t~string72.offset, 1);call write~init~int(32, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string74.base, #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 1 + #t~string74.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 309#L-1 havoc main_#res;havoc main_#t~ret78, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6; 310#L67 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 321#L75 main_#t~ret78 := valid_product_#res;main_~tmp~6 := main_#t~ret78;havoc main_#t~ret78; 304#L865 assume 0 != main_~tmp~6; 305#L842 havoc test_#t~nondet53, test_#t~nondet54, test_#t~nondet55, test_#t~nondet56, test_~splverifierCounter~0, test_~tmp~3, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~3;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 281#L764-1 [2021-08-31 03:55:32,212 INFO L793 eck$LassoCheckResult]: Loop: 281#L764-1 assume !false; 308#L555 assume test_~splverifierCounter~0 < 4; 328#L556 test_~tmp~3 := test_#t~nondet53;havoc test_#t~nondet53; 365#L564 assume !(0 != test_~tmp~3); 363#L564-1 test_~tmp___0~0 := test_#t~nondet54;havoc test_#t~nondet54; 362#L574 assume !(0 != test_~tmp___0~0); 361#L574-1 test_~tmp___2~0 := test_#t~nondet55;havoc test_#t~nondet55; 360#L584 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 357#L592-2 assume !(0 != ~pumpRunning~0); 344#L623 assume 0 != ~systemActive~0; 343#L630 havoc __utac_acc__Specification3_spec__1_#t~ret75, __utac_acc__Specification3_spec__1_#t~ret76, __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_~tmp~5, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~5;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 342#L129 __utac_acc__Specification3_spec__1_#t~ret75 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~5 := __utac_acc__Specification3_spec__1_#t~ret75;havoc __utac_acc__Specification3_spec__1_#t~ret75; 302#L758 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~5);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 303#L161 __utac_acc__Specification3_spec__1_#t~ret76 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret76;havoc __utac_acc__Specification3_spec__1_#t~ret76; 329#L764 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 281#L764-1 [2021-08-31 03:55:32,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:32,212 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:55:32,213 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:32,213 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251474943] [2021-08-31 03:55:32,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:32,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:32,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,241 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,301 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:32,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:32,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1128380277, now seen corresponding path program 1 times [2021-08-31 03:55:32,304 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:32,304 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316863979] [2021-08-31 03:55:32,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:32,305 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,309 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,316 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:32,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:32,320 INFO L82 PathProgramCache]: Analyzing trace with hash 1321204773, now seen corresponding path program 1 times [2021-08-31 03:55:32,320 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:32,320 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824199972] [2021-08-31 03:55:32,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:32,328 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,358 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:32,420 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:56:16,129 WARN L210 SmtUtils]: Spent 43.57s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:56:57,942 WARN L210 SmtUtils]: Spent 20.47s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:56:58,058 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:56:58,060 INFO L158 Benchmark]: Toolchain (without parser) took 88313.97ms. Allocated memory was 58.7MB in the beginning and 113.2MB in the end (delta: 54.5MB). Free memory was 36.5MB in the beginning and 30.6MB in the end (delta: 5.9MB). Peak memory consumption was 68.8MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,061 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:56:58,061 INFO L158 Benchmark]: CACSL2BoogieTranslator took 418.90ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 47.5MB in the end (delta: -11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,061 INFO L158 Benchmark]: Boogie Procedure Inliner took 68.05ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,062 INFO L158 Benchmark]: Boogie Preprocessor took 63.05ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,062 INFO L158 Benchmark]: RCFGBuilder took 565.03ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 45.2MB in the end (delta: -2.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,063 INFO L158 Benchmark]: BuchiAutomizer took 87192.96ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 45.2MB in the beginning and 30.6MB in the end (delta: 14.6MB). Peak memory consumption was 64.7MB. Max. memory is 16.1GB. [2021-08-31 03:56:58,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 58.7MB. Free memory was 40.3MB in the beginning and 40.2MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 418.90ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 47.5MB in the end (delta: -11.3MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 68.05ms. Allocated memory is still 71.3MB. Free memory was 47.5MB in the beginning and 44.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.05ms. Allocated memory is still 71.3MB. Free memory was 44.7MB in the beginning and 42.8MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 565.03ms. Allocated memory is still 71.3MB. Free memory was 42.8MB in the beginning and 45.2MB in the end (delta: -2.4MB). Peak memory consumption was 15.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 87192.96ms. Allocated memory was 71.3MB in the beginning and 113.2MB in the end (delta: 41.9MB). Free memory was 45.2MB in the beginning and 30.6MB in the end (delta: 14.6MB). Peak memory consumption was 64.7MB. 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 5 locations. The remainder module has 100 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:56:58,109 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...