./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product64.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_product64.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 160c8d64ba84e9e53149049b180f0e762ed5d721 ........................................................................................................................................................................................................................................................................................................................................................................................... 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 04:08:09,922 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:08:09,924 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:08:09,942 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:08:09,942 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:08:09,943 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:08:09,943 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:08:09,945 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:08:09,946 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:08:09,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:08:09,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:08:09,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:08:09,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:08:09,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:08:09,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:08:09,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:08:09,961 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:08:09,964 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:08:09,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:08:09,969 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:08:09,972 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:08:09,973 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:08:09,974 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:08:09,975 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:08:09,977 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:08:09,983 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:08:09,984 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:08:09,984 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:08:09,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:08:09,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:08:09,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:08:09,987 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:08:09,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:08:09,989 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:08:09,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:08:09,990 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:08:09,991 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:08:09,991 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:08:09,992 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:08:09,992 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:08:09,993 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:08:09,994 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:08:10,012 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:08:10,012 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:08:10,012 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:08:10,013 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:08:10,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:08:10,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:08:10,014 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:08:10,014 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:08:10,014 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:08:10,014 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:08:10,014 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:08:10,014 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:08:10,015 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:08:10,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:08:10,016 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:08:10,017 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:08:10,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:08:10,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:08:10,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:08:10,017 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:08:10,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:08:10,018 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:08:10,018 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:08:10,018 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 160c8d64ba84e9e53149049b180f0e762ed5d721 [2021-08-31 04:08:10,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:08:10,238 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:08:10,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:08:10,240 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:08:10,240 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:08:10,241 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2021-08-31 04:08:10,278 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed4e81de/bd0a7d9b5a544db1bb4397543fcc44cd/FLAG56537a2c7 [2021-08-31 04:08:10,671 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:08:10,672 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product64.cil.c [2021-08-31 04:08:10,678 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed4e81de/bd0a7d9b5a544db1bb4397543fcc44cd/FLAG56537a2c7 [2021-08-31 04:08:10,686 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8ed4e81de/bd0a7d9b5a544db1bb4397543fcc44cd [2021-08-31 04:08:10,690 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:08:10,691 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:08:10,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:08:10,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:08:10,694 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:08:10,694 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:08:10" (1/1) ... [2021-08-31 04:08:10,694 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@601d2d1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:10, skipping insertion in model container [2021-08-31 04:08:10,695 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:08:10" (1/1) ... [2021-08-31 04:08:10,699 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:08:10,728 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:08:10,864 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_product64.cil.c[2573,2586] [2021-08-31 04:08:10,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:08:10,954 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:08:10,974 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_product64.cil.c[2573,2586] [2021-08-31 04:08:11,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:08:11,041 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:08:11,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11 WrapperNode [2021-08-31 04:08:11,042 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:08:11,043 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:08:11,043 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:08:11,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:08:11,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,072 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,156 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:08:11,158 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:08:11,158 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:08:11,158 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:08:11,163 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,174 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,208 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,220 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,227 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:08:11,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:08:11,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:08:11,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:08:11,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (1/1) ... [2021-08-31 04:08:11,234 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:08:11,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:08:11,270 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 04:08:11,293 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 04:08:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:08:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:08:11,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:08:11,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:08:11,581 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:08:11,581 INFO L299 CfgBuilder]: Removed 354 assume(true) statements. [2021-08-31 04:08:11,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:08:11 BoogieIcfgContainer [2021-08-31 04:08:11,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:08:11,583 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:08:11,583 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:08:11,585 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:08:11,586 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:11,586 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:08:10" (1/3) ... [2021-08-31 04:08:11,586 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@494f72e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:08:11, skipping insertion in model container [2021-08-31 04:08:11,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:11,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:08:11" (2/3) ... [2021-08-31 04:08:11,587 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@494f72e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:08:11, skipping insertion in model container [2021-08-31 04:08:11,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:08:11,587 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:08:11" (3/3) ... [2021-08-31 04:08:11,588 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product64.cil.c [2021-08-31 04:08:11,612 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:08:11,612 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:08:11,612 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:08:11,612 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:08:11,612 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:08:11,613 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:08:11,613 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:08:11,613 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:08:11,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 04:08:11,643 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2021-08-31 04:08:11,644 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:11,644 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:11,648 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:08:11,657 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:11,657 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:08:11,660 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 04:08:11,670 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2021-08-31 04:08:11,673 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:11,673 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:11,674 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:08:11,675 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:11,682 INFO L791 eck$LassoCheckResult]: Stem: 214#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 154#L-1true havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 120#L1015true havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 197#L1023true main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 218#L132true assume 0 != main_~tmp~0; 134#L105true havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 16#L165-1true [2021-08-31 04:08:11,683 INFO L793 eck$LassoCheckResult]: Loop: 16#L165-1true assume !false; 54#L196true assume test_~splverifierCounter~0 < 4; 66#L197true test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 67#L205true assume !(0 != test_~tmp~2); 160#L205-1true test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 114#L215true assume !(0 != test_~tmp___0~1); 121#L215-1true test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 152#L225true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 58#L233-1true assume !(0 != ~pumpRunning~0); 139#L268true assume !(0 != ~systemActive~0); 96#L275true havoc __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_#t~ret9, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 187#L965true __utac_acc__Specification4_spec__1_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret8;havoc __utac_acc__Specification4_spec__1_#t~ret8; 124#L165true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 16#L165-1true [2021-08-31 04:08:11,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:11,688 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:08:11,693 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:11,693 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95628012] [2021-08-31 04:08:11,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:11,695 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:11,882 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:11,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:11,993 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:11,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:11,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1665583732, now seen corresponding path program 1 times [2021-08-31 04:08:11,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:11,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754624701] [2021-08-31 04:08:11,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:11,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:08:12,080 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 04:08:12,080 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:08:12,080 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1754624701] [2021-08-31 04:08:12,081 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1754624701] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:08:12,081 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:08:12,081 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:08:12,081 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305391770] [2021-08-31 04:08:12,084 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:08:12,084 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:08:12,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:08:12,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:08:12,137 INFO L87 Difference]: Start difference. First operand has 224 states, 223 states have (on average 1.506726457399103) internal successors, (336), 223 states have internal predecessors, (336), 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 04:08:12,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:08:12,806 INFO L93 Difference]: Finished difference Result 442 states and 648 transitions. [2021-08-31 04:08:12,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:08:12,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 442 states and 648 transitions. [2021-08-31 04:08:12,815 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 290 [2021-08-31 04:08:12,829 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 442 states to 428 states and 633 transitions. [2021-08-31 04:08:12,830 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 428 [2021-08-31 04:08:12,830 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 428 [2021-08-31 04:08:12,831 INFO L73 IsDeterministic]: Start isDeterministic. Operand 428 states and 633 transitions. [2021-08-31 04:08:12,832 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:08:12,832 INFO L681 BuchiCegarLoop]: Abstraction has 428 states and 633 transitions. [2021-08-31 04:08:12,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states and 633 transitions. [2021-08-31 04:08:12,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 426. [2021-08-31 04:08:12,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 426 states, 426 states have (on average 1.4788732394366197) internal successors, (630), 425 states have internal predecessors, (630), 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 04:08:12,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 630 transitions. [2021-08-31 04:08:12,871 INFO L704 BuchiCegarLoop]: Abstraction has 426 states and 630 transitions. [2021-08-31 04:08:12,871 INFO L587 BuchiCegarLoop]: Abstraction has 426 states and 630 transitions. [2021-08-31 04:08:12,871 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:08:12,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 426 states and 630 transitions. [2021-08-31 04:08:12,876 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 288 [2021-08-31 04:08:12,876 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:12,876 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:12,876 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:08:12,876 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:12,876 INFO L791 eck$LassoCheckResult]: Stem: 900#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 876#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 844#L1015 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 845#L1023 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 890#L132 assume 0 != main_~tmp~0; 864#L105 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 703#L165-1 [2021-08-31 04:08:12,877 INFO L793 eck$LassoCheckResult]: Loop: 703#L165-1 assume !false; 704#L196 assume test_~splverifierCounter~0 < 4; 764#L197 test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 780#L205 assume !(0 != test_~tmp~2); 782#L205-1 test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 839#L215 assume !(0 != test_~tmp___0~1); 831#L215-1 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 846#L225 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 767#L233-1 assume !(0 != ~pumpRunning~0); 690#L268 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 868#L352 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret15, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 717#L326-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 675#L300-3 assume !(0 == ~pumpRunning~0); 677#L275 havoc __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_#t~ret9, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 817#L965 __utac_acc__Specification4_spec__1_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret8;havoc __utac_acc__Specification4_spec__1_#t~ret8; 849#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 703#L165-1 [2021-08-31 04:08:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:12,877 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:08:12,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:12,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251134283] [2021-08-31 04:08:12,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:12,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:12,900 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:12,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:12,928 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:12,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:12,928 INFO L82 PathProgramCache]: Analyzing trace with hash 1220566465, now seen corresponding path program 1 times [2021-08-31 04:08:12,928 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:12,928 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848701931] [2021-08-31 04:08:12,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:12,929 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:08:12,955 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 04:08:12,955 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:08:12,955 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848701931] [2021-08-31 04:08:12,955 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848701931] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:08:12,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:08:12,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:08:12,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603909176] [2021-08-31 04:08:12,956 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:08:12,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:08:12,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:08:12,956 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:08:12,957 INFO L87 Difference]: Start difference. First operand 426 states and 630 transitions. cyclomatic complexity: 207 Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 04:08:13,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:08:13,225 INFO L93 Difference]: Finished difference Result 419 states and 586 transitions. [2021-08-31 04:08:13,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:08:13,226 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 419 states and 586 transitions. [2021-08-31 04:08:13,229 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2021-08-31 04:08:13,230 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 419 states to 419 states and 586 transitions. [2021-08-31 04:08:13,230 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 419 [2021-08-31 04:08:13,231 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 419 [2021-08-31 04:08:13,231 INFO L73 IsDeterministic]: Start isDeterministic. Operand 419 states and 586 transitions. [2021-08-31 04:08:13,235 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:08:13,235 INFO L681 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2021-08-31 04:08:13,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states and 586 transitions. [2021-08-31 04:08:13,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 419. [2021-08-31 04:08:13,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 419 states have (on average 1.3985680190930787) internal successors, (586), 418 states have internal predecessors, (586), 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 04:08:13,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 586 transitions. [2021-08-31 04:08:13,250 INFO L704 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2021-08-31 04:08:13,250 INFO L587 BuchiCegarLoop]: Abstraction has 419 states and 586 transitions. [2021-08-31 04:08:13,250 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:08:13,250 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 419 states and 586 transitions. [2021-08-31 04:08:13,252 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 291 [2021-08-31 04:08:13,252 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:08:13,252 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:08:13,254 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:08:13,254 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:08:13,254 INFO L791 eck$LassoCheckResult]: Stem: 1716#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~string20.base, #t~string20.offset := #Ultimate.allocOnStack(13);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(110, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 2 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string24.base, #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(102, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 3 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string26.base, #t~string26.offset, 1);call write~init~int(80, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(117, #t~string26.base, 2 + #t~string26.offset, 1);call write~init~int(109, #t~string26.base, 3 + #t~string26.offset, 1);call write~init~int(112, #t~string26.base, 4 + #t~string26.offset, 1);call write~init~int(58, #t~string26.base, 5 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 6 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(110, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 2 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string30.base, #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(102, #t~string30.base, 2 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 3 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string32.base, #t~string32.offset, 1);call write~init~int(32, #t~string32.base, 1 + #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 2 + #t~string32.offset, 1);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string34.base, #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 1 + #t~string34.offset, 1);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(30);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(9);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(21);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(30);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(9);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(21);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(30);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(9);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(25);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(30);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(9);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(25);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(13);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string75.base, #t~string75.offset, 1);call write~init~int(77, #t~string75.base, 1 + #t~string75.offset, 1);call write~init~int(101, #t~string75.base, 2 + #t~string75.offset, 1);call write~init~int(116, #t~string75.base, 3 + #t~string75.offset, 1);call write~init~int(104, #t~string75.base, 4 + #t~string75.offset, 1);call write~init~int(58, #t~string75.base, 5 + #t~string75.offset, 1);call write~init~int(0, #t~string75.base, 6 + #t~string75.offset, 1);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string77.base, #t~string77.offset, 1);call write~init~int(82, #t~string77.base, 1 + #t~string77.offset, 1);call write~init~int(73, #t~string77.base, 2 + #t~string77.offset, 1);call write~init~int(84, #t~string77.base, 3 + #t~string77.offset, 1);call write~init~int(0, #t~string77.base, 4 + #t~string77.offset, 1);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string79.base, #t~string79.offset, 1);call write~init~int(75, #t~string79.base, 1 + #t~string79.offset, 1);call write~init~int(0, #t~string79.base, 2 + #t~string79.offset, 1);call #t~string81.base, #t~string81.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string81.base, #t~string81.offset, 1);call write~init~int(0, #t~string81.base, 1 + #t~string81.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 1635#L-1 havoc main_#res;havoc main_#t~ret7, main_~retValue_acc~0, main_~tmp~0;havoc main_~retValue_acc~0;havoc main_~tmp~0; 1533#L1015 havoc valid_product_#res;havoc valid_product_~retValue_acc~13;havoc valid_product_~retValue_acc~13;valid_product_~retValue_acc~13 := 1;valid_product_#res := valid_product_~retValue_acc~13; 1534#L1023 main_#t~ret7 := valid_product_#res;main_~tmp~0 := main_#t~ret7;havoc main_#t~ret7; 1701#L132 assume 0 != main_~tmp~0; 1582#L105 havoc test_#t~nondet10, test_#t~nondet11, test_#t~nondet12, test_#t~nondet13, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1567#L165-1 [2021-08-31 04:08:13,255 INFO L793 eck$LassoCheckResult]: Loop: 1567#L165-1 assume !false; 1568#L196 assume test_~splverifierCounter~0 < 4; 1657#L197 test_~tmp~2 := test_#t~nondet10;havoc test_#t~nondet10; 1937#L205 assume !(0 != test_~tmp~2); 1934#L205-1 test_~tmp___0~1 := test_#t~nondet11;havoc test_#t~nondet11; 1722#L215 assume !(0 != test_~tmp___0~1); 1718#L215-1 test_~tmp___2~0 := test_#t~nondet12;havoc test_#t~nondet12; 1802#L225 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1632#L233-1 assume !(0 != ~pumpRunning~0); 1593#L268 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret16, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 1594#L352 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret15, processEnvironment__wrappee__methaneQuery_~tmp~4;havoc processEnvironment__wrappee__methaneQuery_~tmp~4; 1800#L326-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret14, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 1526#L300-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret35, isHighWaterLevel_~retValue_acc~3, isHighWaterLevel_~tmp~7, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~3;havoc isHighWaterLevel_~tmp~7;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~10;havoc isHighWaterSensorDry_~retValue_acc~10; 1527#L973-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~10; 1714#L978-3 isHighWaterLevel_#t~ret35 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~7 := isHighWaterLevel_#t~ret35;havoc isHighWaterLevel_#t~ret35; 1712#L471-9 assume 0 != isHighWaterLevel_~tmp~7;isHighWaterLevel_~tmp___0~2 := 0; 1713#L471-11 isHighWaterLevel_~retValue_acc~3 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~3; 1681#L477-3 processEnvironment__wrappee__highWaterSensor_#t~ret14 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret14;havoc processEnvironment__wrappee__highWaterSensor_#t~ret14; 1682#L304-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 1561#L275 havoc __utac_acc__Specification4_spec__1_#t~ret8, __utac_acc__Specification4_spec__1_#t~ret9, __utac_acc__Specification4_spec__1_~tmp~1, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~1;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 1933#L965 __utac_acc__Specification4_spec__1_#t~ret8 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~1 := __utac_acc__Specification4_spec__1_#t~ret8;havoc __utac_acc__Specification4_spec__1_#t~ret8; 1931#L165 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~1); 1567#L165-1 [2021-08-31 04:08:13,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:13,256 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 04:08:13,257 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:13,257 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775923838] [2021-08-31 04:08:13,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:13,257 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,300 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:13,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,323 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:13,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:13,324 INFO L82 PathProgramCache]: Analyzing trace with hash -231328531, now seen corresponding path program 1 times [2021-08-31 04:08:13,324 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:13,324 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793309642] [2021-08-31 04:08:13,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:13,325 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:13,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,327 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:13,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,331 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:13,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:08:13,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1021976595, now seen corresponding path program 1 times [2021-08-31 04:08:13,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:08:13,332 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471604383] [2021-08-31 04:08:13,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:08:13,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:08:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,350 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:08:13,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:08:13,387 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:53,399 WARN L210 SmtUtils]: Spent 39.82s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:09:33,684 WARN L210 SmtUtils]: Spent 19.06s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:09:33,831 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 04:09:33,841 INFO L158 Benchmark]: Toolchain (without parser) took 83150.48ms. Allocated memory was 56.6MB in the beginning and 104.9MB in the end (delta: 48.2MB). Free memory was 32.9MB in the beginning and 53.7MB in the end (delta: -20.8MB). Peak memory consumption was 64.5MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,842 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:09:33,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 351.00ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 46.3MB in the end (delta: -13.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 113.86ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 40.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,847 INFO L158 Benchmark]: Boogie Preprocessor took 69.80ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 36.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,848 INFO L158 Benchmark]: RCFGBuilder took 355.00ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.3MB in the end (delta: 2.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,848 INFO L158 Benchmark]: BuchiAutomizer took 82257.19ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 34.3MB in the beginning and 53.7MB in the end (delta: -19.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2021-08-31 04:09:33,853 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 351.00ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 32.8MB in the beginning and 46.3MB in the end (delta: -13.5MB). Peak memory consumption was 7.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 113.86ms. Allocated memory is still 71.3MB. Free memory was 46.3MB in the beginning and 40.6MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.80ms. Allocated memory is still 71.3MB. Free memory was 40.6MB in the beginning and 36.7MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 355.00ms. Allocated memory is still 71.3MB. Free memory was 36.7MB in the beginning and 34.3MB in the end (delta: 2.4MB). Peak memory consumption was 11.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 82257.19ms. Allocated memory was 71.3MB in the beginning and 104.9MB in the end (delta: 33.6MB). Free memory was 34.3MB in the beginning and 53.7MB in the end (delta: -19.4MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 419 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 04:09:33,883 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...