./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product20.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_spec4_product20.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 f97ed213173bc84e00af4e856bb920ccfd15e1d4 .................................................................................................................................................................................................................................................................................................................................... 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 04:03:38,991 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:03:38,993 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:03:39,045 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:03:39,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:03:39,048 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:03:39,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:03:39,055 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:03:39,058 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:03:39,062 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:03:39,063 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:03:39,066 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:03:39,067 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:03:39,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:03:39,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:03:39,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:03:39,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:03:39,076 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:03:39,078 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:03:39,083 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:03:39,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:03:39,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:03:39,087 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:03:39,088 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:03:39,097 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:03:39,098 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:03:39,098 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:03:39,100 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:03:39,100 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:03:39,101 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:03:39,101 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:03:39,102 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:03:39,103 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:03:39,104 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:03:39,105 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:03:39,105 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:03:39,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:03:39,106 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:03:39,106 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:03:39,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:03:39,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:03:39,112 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:03:39,150 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:03:39,150 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:03:39,151 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:03:39,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:03:39,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:03:39,154 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:03:39,154 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:03:39,154 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:03:39,154 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:03:39,155 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:03:39,155 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:03:39,156 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:03:39,156 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:03:39,156 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:03:39,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:03:39,156 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:03:39,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:03:39,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:03:39,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:03:39,158 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:03:39,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:03:39,158 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:03:39,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:03:39,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:03:39,159 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:03:39,159 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:03:39,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:03:39,161 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:03:39,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f97ed213173bc84e00af4e856bb920ccfd15e1d4 [2021-08-31 04:03:39,491 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:03:39,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:03:39,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:03:39,514 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:03:39,515 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:03:39,516 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-08-31 04:03:39,581 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783bd800e/aedec6b7a72d4e928f4e197b9325ceb3/FLAGb2c64c516 [2021-08-31 04:03:39,987 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:03:39,988 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product20.cil.c [2021-08-31 04:03:40,001 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783bd800e/aedec6b7a72d4e928f4e197b9325ceb3/FLAGb2c64c516 [2021-08-31 04:03:40,014 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/783bd800e/aedec6b7a72d4e928f4e197b9325ceb3 [2021-08-31 04:03:40,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:03:40,017 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:03:40,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:03:40,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:03:40,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:03:40,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,023 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368495e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40, skipping insertion in model container [2021-08-31 04:03:40,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:03:40,057 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:03:40,243 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_spec4_product20.cil.c[14037,14050] [2021-08-31 04:03:40,273 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:03:40,289 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:03:40,332 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_spec4_product20.cil.c[14037,14050] [2021-08-31 04:03:40,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:03:40,357 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:03:40,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40 WrapperNode [2021-08-31 04:03:40,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:03:40,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:03:40,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:03:40,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:03:40,364 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,379 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,417 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:03:40,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:03:40,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:03:40,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:03:40,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,441 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,442 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,449 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,464 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:03:40,471 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:03:40,472 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:03:40,472 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:03:40,472 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (1/1) ... [2021-08-31 04:03:40,478 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:03:40,488 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:03:40,501 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 04:03:40,505 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 04:03:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:03:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:03:40,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:03:40,532 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:03:41,082 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:03:41,082 INFO L299 CfgBuilder]: Removed 102 assume(true) statements. [2021-08-31 04:03:41,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:03:41 BoogieIcfgContainer [2021-08-31 04:03:41,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:03:41,097 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:03:41,097 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:03:41,101 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:03:41,102 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:41,103 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:03:40" (1/3) ... [2021-08-31 04:03:41,103 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7647c08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:03:41, skipping insertion in model container [2021-08-31 04:03:41,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:41,104 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:03:40" (2/3) ... [2021-08-31 04:03:41,104 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7647c08e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:03:41, skipping insertion in model container [2021-08-31 04:03:41,104 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:03:41,105 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:03:41" (3/3) ... [2021-08-31 04:03:41,106 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product20.cil.c [2021-08-31 04:03:41,159 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:03:41,159 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:03:41,160 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:03:41,160 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:03:41,160 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:03:41,160 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:03:41,160 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:03:41,160 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:03:41,177 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 04:03:41,203 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:03:41,203 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:41,203 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:41,210 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:41,210 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:41,211 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:03:41,213 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 04:03:41,224 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2021-08-31 04:03:41,225 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:41,225 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:41,226 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:41,226 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:41,236 INFO L791 eck$LassoCheckResult]: Stem: 58#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~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(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.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; 45#L-1true havoc main_#res;havoc main_#t~ret18, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 57#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; 67#L75true main_#t~ret18 := valid_product_#res;main_~tmp~0 := main_#t~ret18;havoc main_#t~ret18; 74#L261true assume 0 != main_~tmp~0; 40#L237true havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 28#L659-1true [2021-08-31 04:03:41,237 INFO L793 eck$LassoCheckResult]: Loop: 28#L659-1true assume !false; 48#L867true assume test_~splverifierCounter~0 < 4; 36#L868true test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 29#L876true assume !(0 != test_~tmp~7); 30#L876-1true test_~tmp___0~2 := test_#t~nondet76;havoc test_#t~nondet76; 71#L886true assume !(0 != test_~tmp___0~2); 22#L886-1true test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 11#L896true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 66#L904-1true assume !(0 != ~pumpRunning~0); 38#L688true assume !(0 != ~systemActive~0); 68#L695true havoc __utac_acc__Specification4_spec__1_#t~ret54, __utac_acc__Specification4_spec__1_#t~ret55, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 39#L162true __utac_acc__Specification4_spec__1_#t~ret54 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret54;havoc __utac_acc__Specification4_spec__1_#t~ret54; 35#L659true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 28#L659-1true [2021-08-31 04:03:41,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:41,242 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:03:41,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:41,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1602604156] [2021-08-31 04:03:41,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:41,253 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:41,472 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:41,557 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:41,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1672140724, now seen corresponding path program 1 times [2021-08-31 04:03:41,560 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:41,560 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729729511] [2021-08-31 04:03:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:41,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:03:41,661 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 04:03:41,661 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:03:41,662 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729729511] [2021-08-31 04:03:41,663 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729729511] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:03:41,663 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:03:41,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:03:41,664 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324098491] [2021-08-31 04:03:41,671 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:03:41,673 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:03:41,710 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:03:41,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:03:41,713 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 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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 04:03:42,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:03:42,030 INFO L93 Difference]: Finished difference Result 142 states and 198 transitions. [2021-08-31 04:03:42,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:03:42,038 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 142 states and 198 transitions. [2021-08-31 04:03:42,041 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 90 [2021-08-31 04:03:42,044 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 142 states to 128 states and 183 transitions. [2021-08-31 04:03:42,045 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 128 [2021-08-31 04:03:42,046 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 128 [2021-08-31 04:03:42,046 INFO L73 IsDeterministic]: Start isDeterministic. Operand 128 states and 183 transitions. [2021-08-31 04:03:42,047 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:03:42,047 INFO L681 BuchiCegarLoop]: Abstraction has 128 states and 183 transitions. [2021-08-31 04:03:42,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states and 183 transitions. [2021-08-31 04:03:42,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 126. [2021-08-31 04:03:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 126 states have (on average 1.4285714285714286) internal successors, (180), 125 states have internal predecessors, (180), 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 04:03:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 180 transitions. [2021-08-31 04:03:42,073 INFO L704 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-08-31 04:03:42,073 INFO L587 BuchiCegarLoop]: Abstraction has 126 states and 180 transitions. [2021-08-31 04:03:42,073 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:03:42,073 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 126 states and 180 transitions. [2021-08-31 04:03:42,075 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 88 [2021-08-31 04:03:42,075 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:03:42,075 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:03:42,075 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:03:42,075 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:03:42,076 INFO L791 eck$LassoCheckResult]: Stem: 294#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~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(21);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(30);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(9);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(21);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(30);call #t~string47.base, #t~string47.offset := #Ultimate.allocOnStack(9);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(25);call #t~string49.base, #t~string49.offset := #Ultimate.allocOnStack(30);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(9);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(25);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.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; 286#L-1 havoc main_#res;havoc main_#t~ret18, main_~retValue_acc~5, main_~tmp~0;havoc main_~retValue_acc~5;havoc main_~tmp~0; 287#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; 293#L75 main_#t~ret18 := valid_product_#res;main_~tmp~0 := main_#t~ret18;havoc main_#t~ret18; 298#L261 assume 0 != main_~tmp~0; 278#L237 havoc test_#t~nondet75, test_#t~nondet76, test_#t~nondet77, test_#t~nondet78, test_~splverifierCounter~0, test_~tmp~7, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~7;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 279#L659-1 [2021-08-31 04:03:42,076 INFO L793 eck$LassoCheckResult]: Loop: 279#L659-1 assume !false; 309#L867 assume test_~splverifierCounter~0 < 4; 308#L868 test_~tmp~7 := test_#t~nondet75;havoc test_#t~nondet75; 307#L876 assume !(0 != test_~tmp~7); 305#L876-1 test_~tmp___0~2 := test_#t~nondet76;havoc test_#t~nondet76; 304#L886 assume !(0 != test_~tmp___0~2); 302#L886-1 test_~tmp___2~0 := test_#t~nondet77;havoc test_#t~nondet77; 239#L896 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 240#L904-1 assume !(0 != ~pumpRunning~0); 275#L688 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret56, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 276#L720 assume !(0 != ~pumpRunning~0); 315#L695 havoc __utac_acc__Specification4_spec__1_#t~ret54, __utac_acc__Specification4_spec__1_#t~ret55, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 314#L162 __utac_acc__Specification4_spec__1_#t~ret54 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret54;havoc __utac_acc__Specification4_spec__1_#t~ret54; 312#L659 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 279#L659-1 [2021-08-31 04:03:42,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:42,076 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:03:42,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:42,077 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202736840] [2021-08-31 04:03:42,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:42,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:42,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,130 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,189 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:42,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:42,190 INFO L82 PathProgramCache]: Analyzing trace with hash -323747813, now seen corresponding path program 1 times [2021-08-31 04:03:42,190 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:42,190 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129745969] [2021-08-31 04:03:42,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:42,191 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,195 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,200 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:42,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:03:42,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1279291713, now seen corresponding path program 1 times [2021-08-31 04:03:42,201 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:03:42,201 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482759401] [2021-08-31 04:03:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:03:42,201 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:03:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,281 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:03:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:03:42,339 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:04:23,799 WARN L210 SmtUtils]: Spent 41.35s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:05:06,904 WARN L210 SmtUtils]: Spent 20.81s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:05:07,061 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 04:05:07,064 INFO L158 Benchmark]: Toolchain (without parser) took 87047.23ms. Allocated memory was 65.0MB in the beginning and 123.7MB in the end (delta: 58.7MB). Free memory was 44.7MB in the beginning and 66.1MB in the end (delta: -21.4MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,065 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:05:07,065 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.70ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 41.9MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,065 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.77ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,066 INFO L158 Benchmark]: Boogie Preprocessor took 47.79ms. Allocated memory is still 65.0MB. Free memory was 38.9MB in the beginning and 36.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,066 INFO L158 Benchmark]: RCFGBuilder took 612.80ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 46.9MB in the end (delta: -10.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,067 INFO L158 Benchmark]: BuchiAutomizer took 85966.35ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 66.1MB in the end (delta: 7.0MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2021-08-31 04:05:07,070 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 65.0MB. Free memory was 47.1MB in the beginning and 47.0MB in the end (delta: 48.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.70ms. Allocated memory is still 65.0MB. Free memory was 44.5MB in the beginning and 41.9MB in the end (delta: 2.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.77ms. Allocated memory is still 65.0MB. Free memory was 41.7MB in the beginning and 38.9MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.79ms. Allocated memory is still 65.0MB. Free memory was 38.9MB in the beginning and 36.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 612.80ms. Allocated memory was 65.0MB in the beginning and 92.3MB in the end (delta: 27.3MB). Free memory was 36.8MB in the beginning and 46.9MB in the end (delta: -10.1MB). Peak memory consumption was 19.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 85966.35ms. Allocated memory was 92.3MB in the beginning and 123.7MB in the end (delta: 31.5MB). Free memory was 73.1MB in the beginning and 66.1MB in the end (delta: 7.0MB). Peak memory consumption was 76.6MB. 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 3 locations. The remainder module has 126 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 04:05:07,132 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...