./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product05.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_product05.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 d92162b9d577c75e7ec1bed677680510b83ae329 ............................................................................................................................................................................................................................................................................................................................................................................................................. 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 03:54:56,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:54:56,062 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:54:56,097 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:54:56,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:54:56,099 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:54:56,100 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:54:56,101 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:54:56,103 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:54:56,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:54:56,105 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:54:56,106 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:54:56,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:54:56,107 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:54:56,108 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:54:56,109 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:54:56,110 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:54:56,110 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:54:56,112 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:54:56,113 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:54:56,114 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:54:56,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:54:56,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:54:56,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:54:56,121 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:54:56,121 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:54:56,121 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:54:56,122 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:54:56,122 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:54:56,123 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:54:56,123 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:54:56,124 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:54:56,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:54:56,125 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:54:56,126 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:54:56,126 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:54:56,127 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:54:56,127 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:54:56,127 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:54:56,128 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:54:56,129 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:54:56,129 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:54:56,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:54:56,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:54:56,150 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:54:56,151 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:54:56,152 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:54:56,152 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:54:56,152 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:54:56,152 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:54:56,152 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:54:56,152 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:54:56,153 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:54:56,153 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:54:56,153 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:54:56,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:54:56,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:54:56,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:54:56,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:54:56,156 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:54:56,156 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:54:56,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:54:56,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:54:56,156 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:54:56,157 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:54:56,157 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d92162b9d577c75e7ec1bed677680510b83ae329 [2021-08-31 03:54:56,437 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:54:56,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:54:56,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:54:56,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:54:56,457 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:54:56,458 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-08-31 03:54:56,514 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f61ab90/1a5eb3ebe3704c07a7cbb4fd7080fd60/FLAGc4ffbb402 [2021-08-31 03:54:56,997 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:54:56,997 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product05.cil.c [2021-08-31 03:54:57,023 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f61ab90/1a5eb3ebe3704c07a7cbb4fd7080fd60/FLAGc4ffbb402 [2021-08-31 03:54:57,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f2f61ab90/1a5eb3ebe3704c07a7cbb4fd7080fd60 [2021-08-31 03:54:57,519 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:54:57,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:54:57,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:57,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:54:57,537 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:54:57,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fa31c70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57, skipping insertion in model container [2021-08-31 03:54:57,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:54:57,579 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:54:57,684 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_product05.cil.c[1817,1830] [2021-08-31 03:54:57,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:57,821 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:54:57,836 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_product05.cil.c[1817,1830] [2021-08-31 03:54:57,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:54:57,898 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:54:57,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57 WrapperNode [2021-08-31 03:54:57,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:54:57,900 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:57,900 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:54:57,900 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:54:57,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:54:57,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:54:57,965 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:54:57,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:54:57,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,973 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,988 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:57,988 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:58,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:58,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:58,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:58,023 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:54:58,024 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:54:58,024 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:54:58,024 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:54:58,025 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (1/1) ... [2021-08-31 03:54:58,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:54:58,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:54:58,054 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 03:54:58,062 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 03:54:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:54:58,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:54:58,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:54:58,092 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:54:58,574 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:54:58,577 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-31 03:54:58,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:58 BoogieIcfgContainer [2021-08-31 03:54:58,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:54:58,579 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:54:58,580 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:54:58,583 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:54:58,584 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:58,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:54:57" (1/3) ... [2021-08-31 03:54:58,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c4b3ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:58, skipping insertion in model container [2021-08-31 03:54:58,585 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:58,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:54:57" (2/3) ... [2021-08-31 03:54:58,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6c4b3ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:54:58, skipping insertion in model container [2021-08-31 03:54:58,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:54:58,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:54:58" (3/3) ... [2021-08-31 03:54:58,588 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product05.cil.c [2021-08-31 03:54:58,636 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:54:58,636 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:54:58,637 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:54:58,637 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:54:58,637 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:54:58,637 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:54:58,637 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:54:58,637 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:54:58,654 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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 03:54:58,682 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-08-31 03:54:58,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:58,682 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:58,688 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:54:58,688 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:58,688 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:54:58,690 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 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 03:54:58,701 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2021-08-31 03:54:58,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:58,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:58,702 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:54:58,702 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:58,713 INFO L791 eck$LassoCheckResult]: Stem: 52#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 37#L-1true havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 51#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; 61#L75true main_#t~ret30 := valid_product_#res;main_~tmp~2 := main_#t~ret30;havoc main_#t~ret30; 73#L381true assume 0 != main_~tmp~2; 11#L358true havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 69#L857-1true [2021-08-31 03:54:58,714 INFO L793 eck$LassoCheckResult]: Loop: 69#L857-1true assume !false; 27#L245true assume test_~splverifierCounter~0 < 4; 70#L246true test_~tmp~1 := test_#t~nondet26;havoc test_#t~nondet26; 56#L254true assume !(0 != test_~tmp~1); 8#L254-1true test_~tmp___0~0 := test_#t~nondet27;havoc test_#t~nondet27; 66#L264true assume !(0 != test_~tmp___0~0); 16#L264-1true test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 19#L274true assume 0 != test_~tmp___2~0; 36#L280-2true assume !(0 != ~pumpRunning~0); 17#L105true assume !(0 != ~systemActive~0); 55#L112true havoc __utac_acc__Specification3_spec__1_#t~ret76, __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 22#L805-1true __utac_acc__Specification3_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret76;havoc __utac_acc__Specification3_spec__1_#t~ret76; 14#L851true assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 69#L857-1true [2021-08-31 03:54:58,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:58,719 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:54:58,727 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:58,728 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627996654] [2021-08-31 03:54:58,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:58,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:58,964 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,107 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:59,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:59,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1681899275, now seen corresponding path program 1 times [2021-08-31 03:54:59,113 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:59,114 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [425769784] [2021-08-31 03:54:59,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:59,114 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,119 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:59,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,125 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:59,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:59,126 INFO L82 PathProgramCache]: Analyzing trace with hash 32379663, now seen corresponding path program 1 times [2021-08-31 03:54:59,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:59,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864633583] [2021-08-31 03:54:59,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:59,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:59,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:54:59,260 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 03:54:59,261 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:54:59,261 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864633583] [2021-08-31 03:54:59,261 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864633583] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:54:59,262 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:54:59,262 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:54:59,262 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068489143] [2021-08-31 03:54:59,362 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:54:59,385 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:54:59,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:54:59,388 INFO L87 Difference]: Start difference. First operand has 72 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 71 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 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 03:54:59,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:54:59,691 INFO L93 Difference]: Finished difference Result 72 states and 97 transitions. [2021-08-31 03:54:59,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 03:54:59,698 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 97 transitions. [2021-08-31 03:54:59,706 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-08-31 03:54:59,710 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2021-08-31 03:54:59,711 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2021-08-31 03:54:59,711 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2021-08-31 03:54:59,712 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2021-08-31 03:54:59,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:54:59,713 INFO L681 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-08-31 03:54:59,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2021-08-31 03:54:59,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2021-08-31 03:54:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 64 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 03:54:59,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2021-08-31 03:54:59,744 INFO L704 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-08-31 03:54:59,745 INFO L587 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2021-08-31 03:54:59,745 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:54:59,745 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2021-08-31 03:54:59,748 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2021-08-31 03:54:59,748 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:54:59,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:54:59,749 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:54:59,749 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:54:59,750 INFO L791 eck$LassoCheckResult]: Stem: 221#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 207#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 208#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; 220#L75 main_#t~ret30 := valid_product_#res;main_~tmp~2 := main_#t~ret30;havoc main_#t~ret30; 225#L381 assume 0 != main_~tmp~2; 181#L358 havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 177#L857-1 [2021-08-31 03:54:59,750 INFO L793 eck$LassoCheckResult]: Loop: 177#L857-1 assume !false; 198#L245 assume test_~splverifierCounter~0 < 4; 199#L246 test_~tmp~1 := test_#t~nondet26;havoc test_#t~nondet26; 224#L254 assume !(0 != test_~tmp~1); 165#L254-1 test_~tmp___0~0 := test_#t~nondet27;havoc test_#t~nondet27; 171#L264 assume !(0 != test_~tmp___0~0); 183#L264-1 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 186#L274 assume 0 != test_~tmp___2~0; 190#L280-2 assume !(0 != ~pumpRunning~0); 170#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 187#L137 assume !(0 != ~pumpRunning~0); 214#L112 havoc __utac_acc__Specification3_spec__1_#t~ret76, __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 194#L805-1 __utac_acc__Specification3_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret76;havoc __utac_acc__Specification3_spec__1_#t~ret76; 176#L851 assume 0 != __utac_acc__Specification3_spec__1_~tmp~6; 177#L857-1 [2021-08-31 03:54:59,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:59,751 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:54:59,751 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:59,751 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356434058] [2021-08-31 03:54:59,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:59,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,812 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,852 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:59,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:59,853 INFO L82 PathProgramCache]: Analyzing trace with hash -619797874, now seen corresponding path program 1 times [2021-08-31 03:54:59,853 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:59,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386161736] [2021-08-31 03:54:59,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:59,854 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,858 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:54:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:54:59,862 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:54:59,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:54:59,863 INFO L82 PathProgramCache]: Analyzing trace with hash 983241652, now seen corresponding path program 1 times [2021-08-31 03:54:59,863 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:54:59,863 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1285469255] [2021-08-31 03:54:59,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:54:59,864 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:54:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:54:59,905 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 03:54:59,905 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:54:59,905 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1285469255] [2021-08-31 03:54:59,906 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1285469255] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:54:59,906 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:54:59,906 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:54:59,906 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214529630] [2021-08-31 03:54:59,983 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:54:59,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-31 03:54:59,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-31 03:54:59,985 INFO L87 Difference]: Start difference. First operand 65 states and 90 transitions. cyclomatic complexity: 27 Second operand has 5 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 03:55:00,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:55:00,571 INFO L93 Difference]: Finished difference Result 211 states and 300 transitions. [2021-08-31 03:55:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-08-31 03:55:00,572 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 300 transitions. [2021-08-31 03:55:00,576 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145 [2021-08-31 03:55:00,578 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 300 transitions. [2021-08-31 03:55:00,578 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2021-08-31 03:55:00,579 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2021-08-31 03:55:00,579 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 300 transitions. [2021-08-31 03:55:00,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:55:00,580 INFO L681 BuchiCegarLoop]: Abstraction has 211 states and 300 transitions. [2021-08-31 03:55:00,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 300 transitions. [2021-08-31 03:55:00,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 124. [2021-08-31 03:55:00,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 124 states have (on average 1.3709677419354838) internal successors, (170), 123 states have internal predecessors, (170), 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 03:55:00,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 170 transitions. [2021-08-31 03:55:00,589 INFO L704 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2021-08-31 03:55:00,589 INFO L587 BuchiCegarLoop]: Abstraction has 124 states and 170 transitions. [2021-08-31 03:55:00,590 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:55:00,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 124 states and 170 transitions. [2021-08-31 03:55:00,591 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 86 [2021-08-31 03:55:00,591 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:55:00,591 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:55:00,591 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:55:00,592 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:55:00,592 INFO L791 eck$LassoCheckResult]: Stem: 524#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~string11.base, #t~string11.offset := #Ultimate.allocOnStack(13);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(110, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 2 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(102, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 3 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string17.base, #t~string17.offset, 1);call write~init~int(80, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(117, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(109, #t~string17.base, 3 + #t~string17.offset, 1);call write~init~int(112, #t~string17.base, 4 + #t~string17.offset, 1);call write~init~int(58, #t~string17.base, 5 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 6 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(110, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 2 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(102, #t~string21.base, 2 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 3 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string23.base, #t~string23.offset, 1);call write~init~int(32, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string25.base, #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 1 + #t~string25.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(21);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(30);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(9);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(25);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(30);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(9);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(13);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string69.base, #t~string69.offset, 1);call write~init~int(77, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(101, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(116, #t~string69.base, 3 + #t~string69.offset, 1);call write~init~int(104, #t~string69.base, 4 + #t~string69.offset, 1);call write~init~int(58, #t~string69.base, 5 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 6 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string71.base, #t~string71.offset, 1);call write~init~int(82, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(73, #t~string71.base, 2 + #t~string71.offset, 1);call write~init~int(84, #t~string71.base, 3 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 4 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string73.base, #t~string73.offset, 1);call write~init~int(75, #t~string73.base, 1 + #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 2 + #t~string73.offset, 1);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string75.base, #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 1 + #t~string75.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 506#L-1 havoc main_#res;havoc main_#t~ret30, main_~retValue_acc~4, main_~tmp~2;havoc main_~retValue_acc~4;havoc main_~tmp~2; 507#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; 523#L75 main_#t~ret30 := valid_product_#res;main_~tmp~2 := main_#t~ret30;havoc main_#t~ret30; 533#L381 assume 0 != main_~tmp~2; 470#L358 havoc test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_#t~nondet29, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 471#L857-1 [2021-08-31 03:55:00,592 INFO L793 eck$LassoCheckResult]: Loop: 471#L857-1 assume !false; 494#L245 assume test_~splverifierCounter~0 < 4; 495#L246 test_~tmp~1 := test_#t~nondet26;havoc test_#t~nondet26; 529#L254 assume !(0 != test_~tmp~1); 459#L254-1 test_~tmp___0~0 := test_#t~nondet27;havoc test_#t~nondet27; 465#L264 assume !(0 != test_~tmp___0~0); 480#L264-1 test_~tmp___2~0 := test_#t~nondet28;havoc test_#t~nondet28; 481#L274 assume 0 != test_~tmp___2~0; 485#L280-2 assume !(0 != ~pumpRunning~0); 464#L105 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret8, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 482#L137 assume !(0 != ~pumpRunning~0); 515#L112 havoc __utac_acc__Specification3_spec__1_#t~ret76, __utac_acc__Specification3_spec__1_#t~ret77, __utac_acc__Specification3_spec__1_#t~ret78, __utac_acc__Specification3_spec__1_~tmp~6, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~6;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 528#L805-1 __utac_acc__Specification3_spec__1_#t~ret76 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~6 := __utac_acc__Specification3_spec__1_#t~ret76;havoc __utac_acc__Specification3_spec__1_#t~ret76; 474#L851 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~6);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 475#L837 __utac_acc__Specification3_spec__1_#t~ret77 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret77;havoc __utac_acc__Specification3_spec__1_#t~ret77; 501#L857 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 471#L857-1 [2021-08-31 03:55:00,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:00,594 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:55:00,594 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:00,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506272882] [2021-08-31 03:55:00,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:00,595 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:00,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,646 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,707 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:00,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:00,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1374702912, now seen corresponding path program 1 times [2021-08-31 03:55:00,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:00,708 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172936224] [2021-08-31 03:55:00,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:00,712 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,719 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:00,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,723 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:00,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:55:00,725 INFO L82 PathProgramCache]: Analyzing trace with hash 2428134, now seen corresponding path program 1 times [2021-08-31 03:55:00,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:55:00,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657772746] [2021-08-31 03:55:00,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:55:00,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:55:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,754 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:55:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:55:00,782 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:55:42,844 WARN L210 SmtUtils]: Spent 41.95s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:56:26,404 WARN L210 SmtUtils]: Spent 21.15s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:56:26,536 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 03:56:26,538 INFO L158 Benchmark]: Toolchain (without parser) took 89016.29ms. Allocated memory was 60.8MB in the beginning and 90.2MB in the end (delta: 29.4MB). Free memory was 40.5MB in the beginning and 22.8MB in the end (delta: 17.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,538 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:56:26,539 INFO L158 Benchmark]: CACSL2BoogieTranslator took 376.84ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 39.1MB in the end (delta: 1.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,540 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.54ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,541 INFO L158 Benchmark]: Boogie Preprocessor took 60.02ms. Allocated memory is still 60.8MB. Free memory was 36.2MB in the beginning and 34.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,541 INFO L158 Benchmark]: RCFGBuilder took 555.06ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 50.1MB in the end (delta: -16.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,542 INFO L158 Benchmark]: BuchiAutomizer took 87957.86ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 50.1MB in the beginning and 22.8MB in the end (delta: 27.3MB). Peak memory consumption was 51.7MB. Max. memory is 16.1GB. [2021-08-31 03:56:26,543 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 60.8MB. Free memory was 43.3MB in the beginning and 43.2MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 376.84ms. Allocated memory is still 60.8MB. Free memory was 40.4MB in the beginning and 39.1MB in the end (delta: 1.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.54ms. Allocated memory is still 60.8MB. Free memory was 38.9MB in the beginning and 36.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.02ms. Allocated memory is still 60.8MB. Free memory was 36.2MB in the beginning and 34.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 555.06ms. Allocated memory was 60.8MB in the beginning and 73.4MB in the end (delta: 12.6MB). Free memory was 34.1MB in the beginning and 50.1MB in the end (delta: -16.1MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 87957.86ms. Allocated memory was 73.4MB in the beginning and 90.2MB in the end (delta: 16.8MB). Free memory was 50.1MB in the beginning and 22.8MB in the end (delta: 27.3MB). Peak memory consumption was 51.7MB. 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 124 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 03:56:26,583 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...