./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product35.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_spec2_product35.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 858ae6ce02a6182d965089435301193a306a5587 ................................................................................................................................................................................................................................................................................................................................................................................................... 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 03:51:05,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:51:05,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:51:05,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:51:05,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:51:05,639 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:51:05,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:51:05,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:51:05,650 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:51:05,653 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:51:05,654 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:51:05,657 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:51:05,657 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:51:05,659 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:51:05,660 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:51:05,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:51:05,663 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:51:05,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:51:05,665 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:51:05,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:51:05,671 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:51:05,671 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:51:05,673 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:51:05,673 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:51:05,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:51:05,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:51:05,679 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:51:05,680 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:51:05,680 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:51:05,681 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:51:05,681 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:51:05,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:51:05,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:51:05,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:51:05,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:51:05,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:51:05,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:51:05,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:51:05,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:51:05,686 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:51:05,687 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:51:05,689 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:51:05,716 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:51:05,717 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:51:05,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:51:05,718 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:51:05,719 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:51:05,719 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:51:05,719 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:51:05,720 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:51:05,720 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:51:05,720 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:51:05,720 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:51:05,721 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:51:05,721 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:51:05,722 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:51:05,723 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:51:05,723 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:51:05,723 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:51:05,723 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:51:05,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:51:05,723 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:51:05,724 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:51:05,724 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 858ae6ce02a6182d965089435301193a306a5587 [2021-08-31 03:51:05,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:51:05,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:51:05,998 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:51:05,999 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:51:05,999 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:51:06,000 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2021-08-31 03:51:06,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea88bddb/8e6a78e2f11e41cebcc975d792c857d2/FLAG5c5ea5e31 [2021-08-31 03:51:06,400 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:51:06,400 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product35.cil.c [2021-08-31 03:51:06,409 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea88bddb/8e6a78e2f11e41cebcc975d792c857d2/FLAG5c5ea5e31 [2021-08-31 03:51:06,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ea88bddb/8e6a78e2f11e41cebcc975d792c857d2 [2021-08-31 03:51:06,797 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:51:06,798 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:51:06,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:51:06,805 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:51:06,807 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:51:06,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:51:06" (1/1) ... [2021-08-31 03:51:06,808 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39cc5740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:06, skipping insertion in model container [2021-08-31 03:51:06,808 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:51:06" (1/1) ... [2021-08-31 03:51:06,813 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:51:06,857 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:51:07,031 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_spec2_product35.cil.c[15445,15458] [2021-08-31 03:51:07,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:51:07,050 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:51:07,102 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_spec2_product35.cil.c[15445,15458] [2021-08-31 03:51:07,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:51:07,129 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:51:07,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07 WrapperNode [2021-08-31 03:51:07,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:51:07,130 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:51:07,130 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:51:07,131 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:51:07,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,186 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:51:07,187 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:51:07,187 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:51:07,187 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:51:07,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,196 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:51:07,212 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:51:07,212 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:51:07,213 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:51:07,213 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (1/1) ... [2021-08-31 03:51:07,217 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:51:07,225 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:51:07,248 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 03:51:07,276 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 03:51:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:51:07,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:51:07,296 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:51:07,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:51:07,659 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:51:07,659 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-31 03:51:07,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:51:07 BoogieIcfgContainer [2021-08-31 03:51:07,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:51:07,667 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:51:07,667 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:51:07,670 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:51:07,671 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:07,671 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:51:06" (1/3) ... [2021-08-31 03:51:07,672 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fbab1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:51:07, skipping insertion in model container [2021-08-31 03:51:07,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:07,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:51:07" (2/3) ... [2021-08-31 03:51:07,673 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fbab1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:51:07, skipping insertion in model container [2021-08-31 03:51:07,673 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:51:07,673 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:51:07" (3/3) ... [2021-08-31 03:51:07,674 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product35.cil.c [2021-08-31 03:51:07,712 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:51:07,713 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:51:07,713 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:51:07,713 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:51:07,713 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:51:07,713 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:51:07,713 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:51:07,713 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:51:07,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.55) internal successors, (124), 80 states have internal predecessors, (124), 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 03:51:07,746 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-08-31 03:51:07,747 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:07,747 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:07,752 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:07,752 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:07,752 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:51:07,753 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 81 states, 80 states have (on average 1.55) internal successors, (124), 80 states have internal predecessors, (124), 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 03:51:07,763 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 51 [2021-08-31 03:51:07,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:07,766 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:07,766 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:07,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:07,771 INFO L791 eck$LassoCheckResult]: Stem: 65#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 45#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 22#L721true havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 42#L729true main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 59#L826true assume 0 != main_~tmp~7; 66#L802true ~methAndRunningLastTime~0 := 0; 21#L663true havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 10#L674-1true [2021-08-31 03:51:07,772 INFO L793 eck$LassoCheckResult]: Loop: 10#L674-1true assume !false; 41#L600true assume test_~splverifierCounter~0 < 4; 71#L601true test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 17#L609true assume !(0 != test_~tmp~5); 16#L609-1true test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 15#L619true assume !(0 != test_~tmp___0~1); 13#L619-1true test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 52#L629true assume 0 != test_~tmp___2~0; 79#L635-1true assume !(0 != ~pumpRunning~0); 54#L426true assume !(0 != ~systemActive~0); 5#L433true havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 31#L884true __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 23#L674true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 10#L674-1true [2021-08-31 03:51:07,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:07,775 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2021-08-31 03:51:07,780 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:07,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096255642] [2021-08-31 03:51:07,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:07,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:07,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:07,972 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:08,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:08,089 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:08,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:08,092 INFO L82 PathProgramCache]: Analyzing trace with hash 11341907, now seen corresponding path program 1 times [2021-08-31 03:51:08,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:08,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035562108] [2021-08-31 03:51:08,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:08,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:08,100 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:08,123 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:08,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash 844638413, now seen corresponding path program 1 times [2021-08-31 03:51:08,125 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:08,125 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052451706] [2021-08-31 03:51:08,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:08,126 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:08,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:51:08,256 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 03:51:08,257 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:51:08,257 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052451706] [2021-08-31 03:51:08,258 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052451706] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:51:08,258 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:51:08,258 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:51:08,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945176712] [2021-08-31 03:51:08,369 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:51:08,387 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:51:08,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:51:08,389 INFO L87 Difference]: Start difference. First operand has 81 states, 80 states have (on average 1.55) internal successors, (124), 80 states have internal predecessors, (124), 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 3.3333333333333335) internal successors, (20), 5 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 03:51:09,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:51:09,072 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2021-08-31 03:51:09,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:51:09,076 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 208 states and 295 transitions. [2021-08-31 03:51:09,079 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 131 [2021-08-31 03:51:09,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 208 states to 187 states and 274 transitions. [2021-08-31 03:51:09,083 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 187 [2021-08-31 03:51:09,084 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 187 [2021-08-31 03:51:09,084 INFO L73 IsDeterministic]: Start isDeterministic. Operand 187 states and 274 transitions. [2021-08-31 03:51:09,090 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:51:09,090 INFO L681 BuchiCegarLoop]: Abstraction has 187 states and 274 transitions. [2021-08-31 03:51:09,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states and 274 transitions. [2021-08-31 03:51:09,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 118. [2021-08-31 03:51:09,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 118 states have (on average 1.4576271186440677) internal successors, (172), 117 states have internal predecessors, (172), 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 03:51:09,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2021-08-31 03:51:09,114 INFO L704 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2021-08-31 03:51:09,114 INFO L587 BuchiCegarLoop]: Abstraction has 118 states and 172 transitions. [2021-08-31 03:51:09,114 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:51:09,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 118 states and 172 transitions. [2021-08-31 03:51:09,117 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2021-08-31 03:51:09,117 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:09,117 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:09,117 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:09,118 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:09,119 INFO L791 eck$LassoCheckResult]: Stem: 379#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 367#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 341#L721 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 342#L729 main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 363#L826 assume 0 != main_~tmp~7; 376#L802 ~methAndRunningLastTime~0 := 0; 340#L663 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 320#L674-1 [2021-08-31 03:51:09,119 INFO L793 eck$LassoCheckResult]: Loop: 320#L674-1 assume !false; 321#L600 assume test_~splverifierCounter~0 < 4; 361#L601 test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 333#L609 assume !(0 != test_~tmp~5); 332#L609-1 test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 330#L619 assume !(0 != test_~tmp___0~1); 326#L619-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 327#L629 assume 0 != test_~tmp___2~0; 352#L635-1 assume !(0 != ~pumpRunning~0); 365#L426 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret42, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 366#L458 assume !(0 == ~pumpRunning~0); 311#L433 havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 312#L884 __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 343#L674 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 320#L674-1 [2021-08-31 03:51:09,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:09,120 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2021-08-31 03:51:09,120 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:09,120 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117352007] [2021-08-31 03:51:09,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:09,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,156 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,212 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:09,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:09,214 INFO L82 PathProgramCache]: Analyzing trace with hash 319988417, now seen corresponding path program 1 times [2021-08-31 03:51:09,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:09,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [169787029] [2021-08-31 03:51:09,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:09,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:51:09,237 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 03:51:09,238 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:51:09,238 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [169787029] [2021-08-31 03:51:09,240 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [169787029] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:51:09,241 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:51:09,241 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:51:09,241 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570891733] [2021-08-31 03:51:09,242 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:51:09,242 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:51:09,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:51:09,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:51:09,245 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. cyclomatic complexity: 57 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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 03:51:09,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:51:09,454 INFO L93 Difference]: Finished difference Result 160 states and 221 transitions. [2021-08-31 03:51:09,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:51:09,455 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 160 states and 221 transitions. [2021-08-31 03:51:09,457 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2021-08-31 03:51:09,457 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 160 states to 160 states and 221 transitions. [2021-08-31 03:51:09,458 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 160 [2021-08-31 03:51:09,458 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 160 [2021-08-31 03:51:09,458 INFO L73 IsDeterministic]: Start isDeterministic. Operand 160 states and 221 transitions. [2021-08-31 03:51:09,458 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:51:09,458 INFO L681 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2021-08-31 03:51:09,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states and 221 transitions. [2021-08-31 03:51:09,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-08-31 03:51:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 160 states have (on average 1.38125) internal successors, (221), 159 states have internal predecessors, (221), 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 03:51:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 221 transitions. [2021-08-31 03:51:09,464 INFO L704 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2021-08-31 03:51:09,464 INFO L587 BuchiCegarLoop]: Abstraction has 160 states and 221 transitions. [2021-08-31 03:51:09,464 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:51:09,464 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 160 states and 221 transitions. [2021-08-31 03:51:09,465 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 114 [2021-08-31 03:51:09,465 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:51:09,465 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:51:09,466 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:09,466 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:51:09,466 INFO L791 eck$LassoCheckResult]: Stem: 674#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~string25.base, #t~string25.offset := #Ultimate.allocOnStack(30);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(9);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(21);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(30);call #t~string29.base, #t~string29.offset := #Ultimate.allocOnStack(9);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(21);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(30);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(9);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(25);call #t~string37.base, #t~string37.offset := #Ultimate.allocOnStack(30);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(9);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(25);call #t~string45.base, #t~string45.offset := #Ultimate.allocOnStack(13);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string47.base, #t~string47.offset, 1);call write~init~int(110, #t~string47.base, 1 + #t~string47.offset, 1);call write~init~int(0, #t~string47.base, 2 + #t~string47.offset, 1);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string49.base, #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 1 + #t~string49.offset, 1);call write~init~int(102, #t~string49.base, 2 + #t~string49.offset, 1);call write~init~int(0, #t~string49.base, 3 + #t~string49.offset, 1);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string51.base, #t~string51.offset, 1);call write~init~int(80, #t~string51.base, 1 + #t~string51.offset, 1);call write~init~int(117, #t~string51.base, 2 + #t~string51.offset, 1);call write~init~int(109, #t~string51.base, 3 + #t~string51.offset, 1);call write~init~int(112, #t~string51.base, 4 + #t~string51.offset, 1);call write~init~int(58, #t~string51.base, 5 + #t~string51.offset, 1);call write~init~int(0, #t~string51.base, 6 + #t~string51.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string53.base, #t~string53.offset, 1);call write~init~int(110, #t~string53.base, 1 + #t~string53.offset, 1);call write~init~int(0, #t~string53.base, 2 + #t~string53.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string55.base, #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 1 + #t~string55.offset, 1);call write~init~int(102, #t~string55.base, 2 + #t~string55.offset, 1);call write~init~int(0, #t~string55.base, 3 + #t~string55.offset, 1);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string57.base, #t~string57.offset, 1);call write~init~int(32, #t~string57.base, 1 + #t~string57.offset, 1);call write~init~int(0, #t~string57.base, 2 + #t~string57.offset, 1);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string59.base, #t~string59.offset, 1);call write~init~int(0, #t~string59.base, 1 + #t~string59.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(13);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string72.base, #t~string72.offset, 1);call write~init~int(77, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(101, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(116, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(104, #t~string72.base, 4 + #t~string72.offset, 1);call write~init~int(58, #t~string72.base, 5 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 6 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string74.base, #t~string74.offset, 1);call write~init~int(82, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(73, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(84, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 4 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string76.base, #t~string76.offset, 1);call write~init~int(75, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 2 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 657#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~8, main_~tmp~7;havoc main_~retValue_acc~8;havoc main_~tmp~7; 626#L721 havoc valid_product_#res;havoc valid_product_~retValue_acc~7;havoc valid_product_~retValue_acc~7;valid_product_~retValue_acc~7 := 1;valid_product_#res := valid_product_~retValue_acc~7; 627#L729 main_#t~ret68 := valid_product_#res;main_~tmp~7 := main_#t~ret68;havoc main_#t~ret68; 653#L826 assume 0 != main_~tmp~7; 670#L802 ~methAndRunningLastTime~0 := 0; 624#L663 havoc test_#t~nondet61, test_#t~nondet62, test_#t~nondet63, test_#t~nondet64, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 625#L674-1 [2021-08-31 03:51:09,466 INFO L793 eck$LassoCheckResult]: Loop: 625#L674-1 assume !false; 730#L600 assume test_~splverifierCounter~0 < 4; 677#L601 test_~tmp~5 := test_#t~nondet61;havoc test_#t~nondet61; 615#L609 assume !(0 != test_~tmp~5); 614#L609-1 test_~tmp___0~1 := test_#t~nondet62;havoc test_#t~nondet62; 612#L619 assume !(0 != test_~tmp___0~1); 609#L619-1 test_~tmp___2~0 := test_#t~nondet63;havoc test_#t~nondet63; 610#L629 assume 0 != test_~tmp___2~0; 637#L635-1 assume !(0 != ~pumpRunning~0); 665#L426 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret42, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 656#L458 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret60, isHighWaterLevel_~retValue_acc~5, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~5;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~11;havoc isHighWaterSensorDry_~retValue_acc~11; 629#L924 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~11; 605#L929 isHighWaterLevel_#t~ret60 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret60;havoc isHighWaterLevel_#t~ret60; 606#L560 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 634#L560-2 isHighWaterLevel_~retValue_acc~5 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~5; 646#L566 processEnvironment_#t~ret42 := isHighWaterLevel_#res;processEnvironment_~tmp~3 := processEnvironment_#t~ret42;havoc processEnvironment_#t~ret42; 617#L462 assume !(0 != processEnvironment_~tmp~3); 595#L433 havoc __utac_acc__Specification2_spec__2_#t~ret65, __utac_acc__Specification2_spec__2_#t~ret66, __utac_acc__Specification2_spec__2_~tmp~6, __utac_acc__Specification2_spec__2_~tmp___0~2;havoc __utac_acc__Specification2_spec__2_~tmp~6;havoc __utac_acc__Specification2_spec__2_~tmp___0~2;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~9;havoc isMethaneLevelCritical_~retValue_acc~9;isMethaneLevelCritical_~retValue_acc~9 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~9; 596#L884 __utac_acc__Specification2_spec__2_#t~ret65 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~6 := __utac_acc__Specification2_spec__2_#t~ret65;havoc __utac_acc__Specification2_spec__2_#t~ret65; 733#L674 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~6);~methAndRunningLastTime~0 := 0; 625#L674-1 [2021-08-31 03:51:09,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:09,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2021-08-31 03:51:09,466 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:09,466 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176231430] [2021-08-31 03:51:09,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:09,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,484 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:09,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,505 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:09,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:09,506 INFO L82 PathProgramCache]: Analyzing trace with hash 333532013, now seen corresponding path program 1 times [2021-08-31 03:51:09,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:09,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [844427595] [2021-08-31 03:51:09,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:09,507 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,510 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:09,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,513 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:09,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:51:09,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1499108787, now seen corresponding path program 1 times [2021-08-31 03:51:09,514 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:51:09,514 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981317156] [2021-08-31 03:51:09,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:51:09,514 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:51:09,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,547 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:51:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:51:09,569 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:51:51,504 WARN L210 SmtUtils]: Spent 41.78s on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2021-08-31 03:52:33,186 WARN L210 SmtUtils]: Spent 20.40s on a formula simplification that was a NOOP. DAG size: 435 [2021-08-31 03:52:33,291 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 03:52:33,293 INFO L158 Benchmark]: Toolchain (without parser) took 86495.16ms. Allocated memory was 54.5MB in the beginning and 83.9MB in the end (delta: 29.4MB). Free memory was 31.6MB in the beginning and 48.8MB in the end (delta: -17.3MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,294 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:52:33,294 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.46ms. Allocated memory is still 54.5MB. Free memory was 31.4MB in the beginning and 29.7MB in the end (delta: 1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,294 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.85ms. Allocated memory is still 54.5MB. Free memory was 29.7MB in the beginning and 26.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,295 INFO L158 Benchmark]: Boogie Preprocessor took 25.28ms. Allocated memory is still 54.5MB. Free memory was 26.8MB in the beginning and 24.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,295 INFO L158 Benchmark]: RCFGBuilder took 447.88ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 24.5MB in the beginning and 34.8MB in the end (delta: -10.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,296 INFO L158 Benchmark]: BuchiAutomizer took 85626.01ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 48.8MB in the end (delta: -14.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-08-31 03:52:33,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 54.5MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.46ms. Allocated memory is still 54.5MB. Free memory was 31.4MB in the beginning and 29.7MB in the end (delta: 1.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.85ms. Allocated memory is still 54.5MB. Free memory was 29.7MB in the beginning and 26.8MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.28ms. Allocated memory is still 54.5MB. Free memory was 26.8MB in the beginning and 24.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 447.88ms. Allocated memory was 54.5MB in the beginning and 67.1MB in the end (delta: 12.6MB). Free memory was 24.5MB in the beginning and 34.8MB in the end (delta: -10.3MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 85626.01ms. Allocated memory was 67.1MB in the beginning and 83.9MB in the end (delta: 16.8MB). Free memory was 34.4MB in the beginning and 48.8MB in the end (delta: -14.4MB). Peak memory consumption was 37.0MB. 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 160 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 03:52:33,334 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...