./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product27.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_spec1_product27.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 576a1858cb64f3543afb00cb741cc3175c43895a ............................................................................................................................................................................................................................................................................................................................................ 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 03:42:52,805 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:42:52,807 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:42:52,838 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:42:52,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:42:52,841 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:42:52,842 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:42:52,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:42:52,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:42:52,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:42:52,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:42:52,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:42:52,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:42:52,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:42:52,858 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:42:52,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:42:52,861 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:42:52,862 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:42:52,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:42:52,868 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:42:52,869 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:42:52,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:42:52,871 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:42:52,872 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:42:52,876 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:42:52,876 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:42:52,877 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:42:52,878 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:42:52,878 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:42:52,879 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:42:52,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:42:52,879 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:42:52,880 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:42:52,881 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:42:52,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:42:52,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:42:52,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:42:52,883 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:42:52,883 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:42:52,884 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:42:52,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:42:52,888 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:42:52,916 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:42:52,917 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:42:52,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:42:52,918 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:42:52,919 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:42:52,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:42:52,919 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:42:52,920 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:42:52,920 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:42:52,920 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:42:52,921 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:42:52,921 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:42:52,921 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:42:52,921 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:42:52,921 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:42:52,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:42:52,923 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:42:52,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:42:52,923 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:42:52,923 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:42:52,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:42:52,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:42:52,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:42:52,924 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:42:52,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:42:52,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:42:52,925 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:42:52,925 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 576a1858cb64f3543afb00cb741cc3175c43895a [2021-08-31 03:42:53,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:42:53,204 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:42:53,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:42:53,207 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:42:53,207 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:42:53,208 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-08-31 03:42:53,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c4fe80/2e177d31476f4c88a82868b4ecbbe129/FLAG8b4b90812 [2021-08-31 03:42:53,717 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:42:53,719 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product27.cil.c [2021-08-31 03:42:53,730 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c4fe80/2e177d31476f4c88a82868b4ecbbe129/FLAG8b4b90812 [2021-08-31 03:42:53,742 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3a1c4fe80/2e177d31476f4c88a82868b4ecbbe129 [2021-08-31 03:42:53,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:42:53,745 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:42:53,747 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:42:53,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:42:53,750 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:42:53,750 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:53" (1/1) ... [2021-08-31 03:42:53,751 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5192d4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:53, skipping insertion in model container [2021-08-31 03:42:53,751 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:42:53" (1/1) ... [2021-08-31 03:42:53,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:42:53,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:42:53,919 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_spec1_product27.cil.c[1817,1830] [2021-08-31 03:42:54,004 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:42:54,010 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:42:54,020 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_spec1_product27.cil.c[1817,1830] [2021-08-31 03:42:54,062 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:42:54,073 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:42:54,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54 WrapperNode [2021-08-31 03:42:54,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:42:54,074 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:42:54,074 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:42:54,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:42:54,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,111 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:42:54,112 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:42:54,112 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:42:54,112 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:42:54,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,120 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,120 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,132 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:42:54,151 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:42:54,151 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:42:54,151 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:42:54,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (1/1) ... [2021-08-31 03:42:54,157 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:42:54,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:42:54,171 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 03:42:54,175 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 03:42:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:42:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:42:54,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:42:54,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:42:54,553 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:42:54,553 INFO L299 CfgBuilder]: Removed 100 assume(true) statements. [2021-08-31 03:42:54,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:54 BoogieIcfgContainer [2021-08-31 03:42:54,554 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:42:54,555 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:42:54,555 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:42:54,557 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:42:54,557 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:54,557 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:42:53" (1/3) ... [2021-08-31 03:42:54,558 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e30cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:42:54, skipping insertion in model container [2021-08-31 03:42:54,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:54,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:42:54" (2/3) ... [2021-08-31 03:42:54,559 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@37e30cc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:42:54, skipping insertion in model container [2021-08-31 03:42:54,559 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:42:54,559 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:42:54" (3/3) ... [2021-08-31 03:42:54,560 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2021-08-31 03:42:54,591 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:42:54,592 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:42:54,592 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:42:54,592 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:42:54,592 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:42:54,592 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:42:54,592 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:42:54,592 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:42:54,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 03:42:54,622 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 03:42:54,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:54,623 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:54,627 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:54,628 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:54,628 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:42:54,629 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 03:42:54,638 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 03:42:54,638 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:54,638 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:54,639 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:54,639 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:54,647 INFO L791 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #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(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 48#L-1true havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 58#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; 71#L75true main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 41#L297true assume 0 != main_~tmp~1; 72#L273true havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, 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#L194-1true [2021-08-31 03:42:54,647 INFO L793 eck$LassoCheckResult]: Loop: 10#L194-1true assume !false; 16#L689true assume test_~splverifierCounter~0 < 4; 66#L690true test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 34#L698true assume !(0 != test_~tmp~5); 33#L698-1true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 15#L708true assume !(0 != test_~tmp___0~1); 30#L708-1true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 28#L718true assume 0 != test_~tmp___2~0; 62#L724-1true assume !(0 != ~pumpRunning~0); 6#L754true assume !(0 != ~systemActive~0); 31#L761true havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 36#L139true __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 35#L194true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 10#L194-1true [2021-08-31 03:42:54,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:54,652 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:42:54,657 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:54,657 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592051517] [2021-08-31 03:42:54,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:54,658 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:54,817 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:54,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:54,909 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:54,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:54,911 INFO L82 PathProgramCache]: Analyzing trace with hash -1673095029, now seen corresponding path program 1 times [2021-08-31 03:42:54,911 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:54,912 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630751628] [2021-08-31 03:42:54,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:54,913 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:54,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:54,922 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:54,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:54,936 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:54,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:54,938 INFO L82 PathProgramCache]: Analyzing trace with hash 41183909, now seen corresponding path program 1 times [2021-08-31 03:42:54,939 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:54,939 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757753194] [2021-08-31 03:42:54,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:54,939 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:42:55,067 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 03:42:55,067 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:42:55,068 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757753194] [2021-08-31 03:42:55,068 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757753194] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:42:55,068 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:42:55,068 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 03:42:55,069 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726630283] [2021-08-31 03:42:55,148 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:42:55,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 03:42:55,166 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 03:42:55,167 INFO L87 Difference]: Start difference. First operand has 74 states, 73 states have (on average 1.5205479452054795) internal successors, (111), 73 states have internal predecessors, (111), 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 03:42:55,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:42:55,750 INFO L93 Difference]: Finished difference Result 192 states and 264 transitions. [2021-08-31 03:42:55,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 03:42:55,755 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 192 states and 264 transitions. [2021-08-31 03:42:55,757 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 121 [2021-08-31 03:42:55,760 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 192 states to 171 states and 243 transitions. [2021-08-31 03:42:55,761 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 171 [2021-08-31 03:42:55,761 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 171 [2021-08-31 03:42:55,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 171 states and 243 transitions. [2021-08-31 03:42:55,762 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:42:55,762 INFO L681 BuchiCegarLoop]: Abstraction has 171 states and 243 transitions. [2021-08-31 03:42:55,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states and 243 transitions. [2021-08-31 03:42:55,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 108. [2021-08-31 03:42:55,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 108 states have (on average 1.4166666666666667) internal successors, (153), 107 states have internal predecessors, (153), 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 03:42:55,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 153 transitions. [2021-08-31 03:42:55,781 INFO L704 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-08-31 03:42:55,781 INFO L587 BuchiCegarLoop]: Abstraction has 108 states and 153 transitions. [2021-08-31 03:42:55,782 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:42:55,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 108 states and 153 transitions. [2021-08-31 03:42:55,782 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 76 [2021-08-31 03:42:55,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:42:55,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:42:55,783 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:42:55,783 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:42:55,783 INFO L791 eck$LassoCheckResult]: Stem: 350#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string11.base, #t~string11.offset, 1);call write~init~int(77, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(101, #t~string11.base, 2 + #t~string11.offset, 1);call write~init~int(116, #t~string11.base, 3 + #t~string11.offset, 1);call write~init~int(104, #t~string11.base, 4 + #t~string11.offset, 1);call write~init~int(58, #t~string11.base, 5 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 6 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string13.base, #t~string13.offset, 1);call write~init~int(82, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(73, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(84, #t~string13.base, 3 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 4 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string15.base, #t~string15.offset, 1);call write~init~int(75, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 2 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string17.base, #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 1 + #t~string17.offset, 1);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(21);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(21);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(30);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(9);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(25);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(30);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(9);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(25);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(13);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(110, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 2 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(102, #t~string68.base, 2 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 3 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(80, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(117, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(109, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(112, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string72.base, #t~string72.offset, 1);call write~init~int(110, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 2 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(102, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 3 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(32, #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(10, #t~string78.base, #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 1 + #t~string78.offset, 1);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;~pumpRunning~0 := 0;~systemActive~0 := 1; 341#L-1 havoc main_#res;havoc main_#t~ret20, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 342#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; 348#L75 main_#t~ret20 := valid_product_#res;main_~tmp~1 := main_#t~ret20;havoc main_#t~ret20; 337#L297 assume 0 != main_~tmp~1; 338#L273 havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, 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; 293#L194-1 [2021-08-31 03:42:55,784 INFO L793 eck$LassoCheckResult]: Loop: 293#L194-1 assume !false; 298#L689 assume test_~splverifierCounter~0 < 4; 308#L690 test_~tmp~5 := test_#t~nondet56;havoc test_#t~nondet56; 331#L698 assume !(0 != test_~tmp~5); 330#L698-1 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 305#L708 assume !(0 != test_~tmp___0~1); 287#L708-1 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 327#L718 assume 0 != test_~tmp___2~0; 324#L724-1 assume !(0 != ~pumpRunning~0); 288#L754 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret60, processEnvironment_~tmp~6;havoc processEnvironment_~tmp~6; 289#L786 assume !(0 != ~pumpRunning~0); 291#L761 havoc __utac_acc__Specification1_spec__1_#t~ret18, __utac_acc__Specification1_spec__1_#t~ret19, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 329#L139 __utac_acc__Specification1_spec__1_#t~ret18 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret18;havoc __utac_acc__Specification1_spec__1_#t~ret18; 333#L194 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 293#L194-1 [2021-08-31 03:42:55,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:55,784 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:42:55,784 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:55,784 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529903429] [2021-08-31 03:42:55,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:55,785 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,809 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:55,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:55,842 INFO L82 PathProgramCache]: Analyzing trace with hash -353331269, now seen corresponding path program 1 times [2021-08-31 03:42:55,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:55,842 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329905955] [2021-08-31 03:42:55,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:55,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:55,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,848 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,856 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:42:55,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:42:55,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1249708257, now seen corresponding path program 1 times [2021-08-31 03:42:55,859 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:42:55,859 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163413811] [2021-08-31 03:42:55,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:42:55,860 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:42:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,901 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:42:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:42:55,945 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:43:35,242 WARN L210 SmtUtils]: Spent 39.22s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:44:15,388 WARN L210 SmtUtils]: Spent 20.28s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:44:15,450 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 03:44:15,456 INFO L158 Benchmark]: Toolchain (without parser) took 81708.12ms. Allocated memory was 62.9MB in the beginning and 94.4MB in the end (delta: 31.5MB). Free memory was 41.9MB in the beginning and 55.9MB in the end (delta: -14.0MB). Peak memory consumption was 56.7MB. Max. memory is 16.1GB. [2021-08-31 03:44:15,456 INFO L158 Benchmark]: CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:44:15,457 INFO L158 Benchmark]: CACSL2BoogieTranslator took 326.32ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 38.0MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-08-31 03:44:15,457 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.19ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 35.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:44:15,458 INFO L158 Benchmark]: Boogie Preprocessor took 33.14ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 32.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 03:44:15,458 INFO L158 Benchmark]: RCFGBuilder took 403.18ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 46.7MB in the end (delta: -13.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2021-08-31 03:44:15,459 INFO L158 Benchmark]: BuchiAutomizer took 80898.17ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 46.7MB in the beginning and 55.9MB in the end (delta: -9.2MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. [2021-08-31 03:44:15,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15ms. Allocated memory is still 62.9MB. Free memory was 44.3MB in the beginning and 44.2MB in the end (delta: 43.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 326.32ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 38.0MB in the end (delta: 3.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.19ms. Allocated memory is still 62.9MB. Free memory was 37.8MB in the beginning and 35.0MB in the end (delta: 2.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.14ms. Allocated memory is still 62.9MB. Free memory was 35.0MB in the beginning and 32.9MB in the end (delta: 2.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 403.18ms. Allocated memory was 62.9MB in the beginning and 75.5MB in the end (delta: 12.6MB). Free memory was 32.9MB in the beginning and 46.7MB in the end (delta: -13.8MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 80898.17ms. Allocated memory was 75.5MB in the beginning and 94.4MB in the end (delta: 18.9MB). Free memory was 46.7MB in the beginning and 55.9MB in the end (delta: -9.2MB). Peak memory consumption was 48.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 108 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 03:44:15,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...