./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5fbdf5bf Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product62.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 f29d91945fbff4cc0c2de7e0e7b2e2b9e380e9fb ........................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-31 03:47:10,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 03:47:10,059 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 03:47:10,092 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 03:47:10,092 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 03:47:10,093 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 03:47:10,097 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 03:47:10,102 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 03:47:10,105 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 03:47:10,109 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 03:47:10,110 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 03:47:10,113 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 03:47:10,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 03:47:10,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 03:47:10,118 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 03:47:10,120 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 03:47:10,120 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 03:47:10,121 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 03:47:10,126 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 03:47:10,128 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 03:47:10,131 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 03:47:10,132 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 03:47:10,133 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 03:47:10,135 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 03:47:10,141 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 03:47:10,143 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 03:47:10,144 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 03:47:10,145 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 03:47:10,146 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 03:47:10,147 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 03:47:10,147 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 03:47:10,148 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 03:47:10,149 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 03:47:10,150 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 03:47:10,151 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 03:47:10,151 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 03:47:10,152 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 03:47:10,152 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 03:47:10,152 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 03:47:10,154 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 03:47:10,154 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 03:47:10,155 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 03:47:10,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 03:47:10,185 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 03:47:10,186 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 03:47:10,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 03:47:10,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 03:47:10,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 03:47:10,189 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 03:47:10,189 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 03:47:10,189 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 03:47:10,190 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 03:47:10,190 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 03:47:10,191 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 03:47:10,191 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 03:47:10,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 03:47:10,191 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 03:47:10,191 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 03:47:10,192 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 03:47:10,193 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 03:47:10,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 03:47:10,193 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 03:47:10,193 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 03:47:10,193 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 03:47:10,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 03:47:10,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 03:47:10,194 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 03:47:10,194 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 03:47:10,194 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 03:47:10,195 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 03:47:10,196 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f29d91945fbff4cc0c2de7e0e7b2e2b9e380e9fb [2021-08-31 03:47:10,521 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 03:47:10,546 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 03:47:10,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 03:47:10,550 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 03:47:10,551 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 03:47:10,552 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2021-08-31 03:47:10,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef99f08c/a9fd175084eb49f090d3f528e67d4f1b/FLAG1b66a736b [2021-08-31 03:47:11,107 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 03:47:11,107 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2021-08-31 03:47:11,127 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef99f08c/a9fd175084eb49f090d3f528e67d4f1b/FLAG1b66a736b [2021-08-31 03:47:11,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ef99f08c/a9fd175084eb49f090d3f528e67d4f1b [2021-08-31 03:47:11,605 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 03:47:11,607 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 03:47:11,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 03:47:11,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 03:47:11,622 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 03:47:11,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:11" (1/1) ... [2021-08-31 03:47:11,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e03a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:11, skipping insertion in model container [2021-08-31 03:47:11,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 03:47:11" (1/1) ... [2021-08-31 03:47:11,630 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 03:47:11,681 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 03:47:11,980 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c[18861,18874] [2021-08-31 03:47:11,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:47:11,997 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 03:47:12,080 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c[18861,18874] [2021-08-31 03:47:12,082 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 03:47:12,105 INFO L208 MainTranslator]: Completed translation [2021-08-31 03:47:12,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12 WrapperNode [2021-08-31 03:47:12,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 03:47:12,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 03:47:12,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 03:47:12,107 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 03:47:12,113 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,142 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,202 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 03:47:12,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 03:47:12,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 03:47:12,208 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 03:47:12,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,283 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,288 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,293 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 03:47:12,294 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 03:47:12,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 03:47:12,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 03:47:12,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (1/1) ... [2021-08-31 03:47:12,308 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 03:47:12,318 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 03:47:12,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-08-31 03:47:12,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-08-31 03:47:12,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 03:47:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 03:47:12,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 03:47:12,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 03:47:12,903 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 03:47:12,904 INFO L299 CfgBuilder]: Removed 350 assume(true) statements. [2021-08-31 03:47:12,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:12 BoogieIcfgContainer [2021-08-31 03:47:12,906 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 03:47:12,907 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 03:47:12,907 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 03:47:12,909 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 03:47:12,910 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:47:12,910 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 03:47:11" (1/3) ... [2021-08-31 03:47:12,911 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45144927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:47:12, skipping insertion in model container [2021-08-31 03:47:12,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:47:12,911 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 03:47:12" (2/3) ... [2021-08-31 03:47:12,912 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@45144927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 03:47:12, skipping insertion in model container [2021-08-31 03:47:12,912 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 03:47:12,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 03:47:12" (3/3) ... [2021-08-31 03:47:12,913 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2021-08-31 03:47:12,947 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 03:47:12,948 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 03:47:12,948 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 03:47:12,948 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 03:47:12,948 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 03:47:12,948 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 03:47:12,948 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 03:47:12,948 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 03:47:12,964 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 222 states, 221 states have (on average 1.506787330316742) internal successors, (333), 221 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:47:13,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2021-08-31 03:47:13,006 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:47:13,006 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:47:13,012 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:47:13,012 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:47:13,012 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 03:47:13,015 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 222 states, 221 states have (on average 1.506787330316742) internal successors, (333), 221 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:47:13,027 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2021-08-31 03:47:13,028 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:47:13,028 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:47:13,030 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:47:13,030 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:47:13,040 INFO L791 eck$LassoCheckResult]: Stem: 212#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string74.base, #t~string74.offset, 1);call write~init~int(77, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(101, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(104, #t~string74.base, 4 + #t~string74.offset, 1);call write~init~int(58, #t~string74.base, 5 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 6 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string76.base, #t~string76.offset, 1);call write~init~int(82, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(73, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(84, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(75, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string80.base, #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 1 + #t~string80.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 150#L-1true havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 117#L397true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 69#L405true main_#t~ret70 := valid_product_#res;main_~tmp~10 := main_#t~ret70;havoc main_#t~ret70; 179#L858true assume 0 != main_~tmp~10; 111#L835true havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 201#L985-1true [2021-08-31 03:47:13,041 INFO L793 eck$LassoCheckResult]: Loop: 201#L985-1true assume !false; 205#L316true assume test_~splverifierCounter~0 < 4; 127#L317true test_~tmp~6 := test_#t~nondet30;havoc test_#t~nondet30; 170#L325true assume !(0 != test_~tmp~6); 196#L325-1true test_~tmp___0~2 := test_#t~nondet31;havoc test_#t~nondet31; 16#L335true assume !(0 != test_~tmp___0~2); 101#L335-1true test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 110#L345true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 95#L353-2true assume !(0 != ~pumpRunning~0); 58#L61true assume !(0 != ~systemActive~0); 221#L68true havoc __utac_acc__Specification1_spec__1_#t~ret81, __utac_acc__Specification1_spec__1_#t~ret82, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 124#L916-5true __utac_acc__Specification1_spec__1_#t~ret81 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret81;havoc __utac_acc__Specification1_spec__1_#t~ret81; 22#L985true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 201#L985-1true [2021-08-31 03:47:13,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:13,048 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 03:47:13,055 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:13,056 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [557083139] [2021-08-31 03:47:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:13,058 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:13,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:13,313 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:47:13,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:13,418 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:47:13,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:13,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1674172477, now seen corresponding path program 1 times [2021-08-31 03:47:13,424 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:13,424 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201889978] [2021-08-31 03:47:13,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:13,425 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:47:13,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:47:13,490 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:47:13,491 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201889978] [2021-08-31 03:47:13,491 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201889978] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:47:13,492 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:47:13,492 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:47:13,492 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62546721] [2021-08-31 03:47:13,496 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:47:13,497 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:47:13,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:47:13,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:47:13,534 INFO L87 Difference]: Start difference. First operand has 222 states, 221 states have (on average 1.506787330316742) internal successors, (333), 221 states have internal predecessors, (333), 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 03:47:14,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:47:14,069 INFO L93 Difference]: Finished difference Result 222 states and 323 transitions. [2021-08-31 03:47:14,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:47:14,074 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 323 transitions. [2021-08-31 03:47:14,076 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-31 03:47:14,080 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2021-08-31 03:47:14,081 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2021-08-31 03:47:14,082 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2021-08-31 03:47:14,083 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2021-08-31 03:47:14,084 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:47:14,084 INFO L681 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 03:47:14,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2021-08-31 03:47:14,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-08-31 03:47:14,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 215 states have (on average 1.4651162790697674) internal successors, (315), 214 states have internal predecessors, (315), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:47:14,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2021-08-31 03:47:14,116 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 03:47:14,116 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 03:47:14,117 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 03:47:14,117 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2021-08-31 03:47:14,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-31 03:47:14,118 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:47:14,118 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:47:14,119 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:47:14,119 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 03:47:14,119 INFO L791 eck$LassoCheckResult]: Stem: 667#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string74.base, #t~string74.offset, 1);call write~init~int(77, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(101, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(104, #t~string74.base, 4 + #t~string74.offset, 1);call write~init~int(58, #t~string74.base, 5 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 6 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string76.base, #t~string76.offset, 1);call write~init~int(82, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(73, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(84, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(75, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string80.base, #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 1 + #t~string80.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 646#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 621#L397 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 569#L405 main_#t~ret70 := valid_product_#res;main_~tmp~10 := main_#t~ret70;havoc main_#t~ret70; 570#L858 assume 0 != main_~tmp~10; 617#L835 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 494#L985-1 [2021-08-31 03:47:14,120 INFO L793 eck$LassoCheckResult]: Loop: 494#L985-1 assume !false; 664#L316 assume test_~splverifierCounter~0 < 4; 628#L317 test_~tmp~6 := test_#t~nondet30;havoc test_#t~nondet30; 629#L325 assume !(0 != test_~tmp~6); 656#L325-1 test_~tmp___0~2 := test_#t~nondet31;havoc test_#t~nondet31; 479#L335 assume !(0 != test_~tmp___0~2); 480#L335-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 606#L345 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 593#L353-2 assume !(0 != ~pumpRunning~0); 556#L61 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 540#L145 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret8, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 541#L119-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 574#L93-3 assume !(0 == ~pumpRunning~0); 507#L68 havoc __utac_acc__Specification1_spec__1_#t~ret81, __utac_acc__Specification1_spec__1_#t~ret82, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 626#L916-5 __utac_acc__Specification1_spec__1_#t~ret81 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret81;havoc __utac_acc__Specification1_spec__1_#t~ret81; 493#L985 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 494#L985-1 [2021-08-31 03:47:14,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:14,120 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 03:47:14,121 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:14,121 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313777688] [2021-08-31 03:47:14,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:14,121 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,171 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:47:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,237 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:47:14,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:14,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1243674303, now seen corresponding path program 1 times [2021-08-31 03:47:14,240 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:14,240 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731500768] [2021-08-31 03:47:14,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:14,241 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:14,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 03:47:14,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-31 03:47:14,272 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 03:47:14,272 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731500768] [2021-08-31 03:47:14,272 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1731500768] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 03:47:14,273 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 03:47:14,273 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 03:47:14,273 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391978063] [2021-08-31 03:47:14,273 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 03:47:14,274 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 03:47:14,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 03:47:14,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 03:47:14,275 INFO L87 Difference]: Start difference. First operand 215 states and 315 transitions. cyclomatic complexity: 102 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 03:47:14,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 03:47:14,671 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2021-08-31 03:47:14,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 03:47:14,673 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2021-08-31 03:47:14,674 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-31 03:47:14,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2021-08-31 03:47:14,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2021-08-31 03:47:14,677 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2021-08-31 03:47:14,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2021-08-31 03:47:14,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 03:47:14,678 INFO L681 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 03:47:14,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2021-08-31 03:47:14,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-08-31 03:47:14,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 211 states have (on average 1.3791469194312795) internal successors, (291), 210 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 03:47:14,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2021-08-31 03:47:14,700 INFO L704 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 03:47:14,700 INFO L587 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 03:47:14,700 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 03:47:14,700 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2021-08-31 03:47:14,702 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-31 03:47:14,702 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 03:47:14,702 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 03:47:14,705 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 03:47:14,705 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 03:47:14,705 INFO L791 eck$LassoCheckResult]: Stem: 1057#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~string13.base, #t~string13.offset := #Ultimate.allocOnStack(13);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(110, #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(4);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(102, #t~string17.base, 2 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 3 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string19.base, #t~string19.offset, 1);call write~init~int(80, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(117, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(109, #t~string19.base, 3 + #t~string19.offset, 1);call write~init~int(112, #t~string19.base, 4 + #t~string19.offset, 1);call write~init~int(58, #t~string19.base, 5 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 6 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string21.base, #t~string21.offset, 1);call write~init~int(110, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(102, #t~string23.base, 2 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 3 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string25.base, #t~string25.offset, 1);call write~init~int(32, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 2 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string27.base, #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 1 + #t~string27.offset, 1);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(30);call #t~string57.base, #t~string57.offset := #Ultimate.allocOnStack(9);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(21);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(30);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(9);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(13);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string74.base, #t~string74.offset, 1);call write~init~int(77, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(101, #t~string74.base, 2 + #t~string74.offset, 1);call write~init~int(116, #t~string74.base, 3 + #t~string74.offset, 1);call write~init~int(104, #t~string74.base, 4 + #t~string74.offset, 1);call write~init~int(58, #t~string74.base, 5 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 6 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string76.base, #t~string76.offset, 1);call write~init~int(82, #t~string76.base, 1 + #t~string76.offset, 1);call write~init~int(73, #t~string76.base, 2 + #t~string76.offset, 1);call write~init~int(84, #t~string76.base, 3 + #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 4 + #t~string76.offset, 1);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string78.base, #t~string78.offset, 1);call write~init~int(75, #t~string78.base, 1 + #t~string78.offset, 1);call write~init~int(0, #t~string78.base, 2 + #t~string78.offset, 1);call #t~string80.base, #t~string80.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string80.base, #t~string80.offset, 1);call write~init~int(0, #t~string80.base, 1 + #t~string80.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 961#L-1 havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~10;havoc main_~retValue_acc~9;havoc main_~tmp~10; 962#L397 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1024#L405 main_#t~ret70 := valid_product_#res;main_~tmp~10 := main_#t~ret70;havoc main_#t~ret70; 1018#L858 assume 0 != main_~tmp~10; 1019#L835 havoc test_#t~nondet30, test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 937#L985-1 [2021-08-31 03:47:14,706 INFO L793 eck$LassoCheckResult]: Loop: 937#L985-1 assume !false; 1052#L316 assume test_~splverifierCounter~0 < 4; 887#L317 test_~tmp~6 := test_#t~nondet30;havoc test_#t~nondet30; 888#L325 assume !(0 != test_~tmp~6); 1002#L325-1 test_~tmp___0~2 := test_#t~nondet31;havoc test_#t~nondet31; 922#L335 assume !(0 != test_~tmp___0~2); 923#L335-1 test_~tmp___2~0 := test_#t~nondet32;havoc test_#t~nondet32; 1049#L345 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 1040#L353-2 assume !(0 != ~pumpRunning~0); 1006#L61 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret9, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 987#L145 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret8, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 928#L119-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret7, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 929#L93-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret28, isHighWaterLevel_~retValue_acc~2, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~2;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~12;havoc isHighWaterSensorDry_~retValue_acc~12; 1011#L956-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~12 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~12; 967#L961-3 isHighWaterLevel_#t~ret28 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret28;havoc isHighWaterLevel_#t~ret28; 968#L264-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 1037#L264-11 isHighWaterLevel_~retValue_acc~2 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~2; 934#L270-3 processEnvironment__wrappee__highWaterSensor_#t~ret7 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret7;havoc processEnvironment__wrappee__highWaterSensor_#t~ret7; 935#L97-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 920#L68 havoc __utac_acc__Specification1_spec__1_#t~ret81, __utac_acc__Specification1_spec__1_#t~ret82, __utac_acc__Specification1_spec__1_~tmp~11, __utac_acc__Specification1_spec__1_~tmp___0~3;havoc __utac_acc__Specification1_spec__1_~tmp~11;havoc __utac_acc__Specification1_spec__1_~tmp___0~3;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~10;havoc isMethaneLevelCritical_~retValue_acc~10;isMethaneLevelCritical_~retValue_acc~10 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~10; 1059#L916-5 __utac_acc__Specification1_spec__1_#t~ret81 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~11 := __utac_acc__Specification1_spec__1_#t~ret81;havoc __utac_acc__Specification1_spec__1_#t~ret81; 936#L985 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11); 937#L985-1 [2021-08-31 03:47:14,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:14,708 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 03:47:14,708 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:14,709 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275963597] [2021-08-31 03:47:14,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:14,709 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:14,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,789 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:47:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,830 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:47:14,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:14,831 INFO L82 PathProgramCache]: Analyzing trace with hash -1113090803, now seen corresponding path program 1 times [2021-08-31 03:47:14,831 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:14,831 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [960745219] [2021-08-31 03:47:14,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:14,832 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:14,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,836 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:47:14,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,843 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:47:14,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 03:47:14,843 INFO L82 PathProgramCache]: Analyzing trace with hash 140214323, now seen corresponding path program 1 times [2021-08-31 03:47:14,844 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 03:47:14,844 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465947572] [2021-08-31 03:47:14,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 03:47:14,844 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 03:47:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,881 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 03:47:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 03:47:14,921 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 03:47:56,124 WARN L210 SmtUtils]: Spent 40.97s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 03:48:37,893 WARN L210 SmtUtils]: Spent 20.38s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 03:48:37,976 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) at de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData.toString(StatisticsData.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerTimingBenchmark.toString(BuchiAutomizerTimingBenchmark.java:44) at de.uni_freiburg.informatik.ultimate.core.lib.results.StatisticsResult.getLongDescription(StatisticsResult.java:58) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:86) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.reportResult(BuchiAutomizerObserver.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:161) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:398) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-08-31 03:48:37,979 INFO L158 Benchmark]: Toolchain (without parser) took 86371.89ms. Allocated memory was 56.6MB in the beginning and 100.7MB in the end (delta: 44.0MB). Free memory was 34.7MB in the beginning and 71.9MB in the end (delta: -37.2MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,979 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 03:48:37,980 INFO L158 Benchmark]: CACSL2BoogieTranslator took 496.40ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 31.2MB in the end (delta: 3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.12ms. Allocated memory is still 56.6MB. Free memory was 31.2MB in the beginning and 25.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,981 INFO L158 Benchmark]: Boogie Preprocessor took 85.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 25.7MB in the beginning and 48.8MB in the end (delta: -23.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,981 INFO L158 Benchmark]: RCFGBuilder took 612.07ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 40.9MB in the end (delta: 7.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,982 INFO L158 Benchmark]: BuchiAutomizer took 85071.35ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 40.6MB in the beginning and 71.9MB in the end (delta: -31.3MB). Peak memory consumption was 51.3MB. Max. memory is 16.1GB. [2021-08-31 03:48:37,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 38.9MB in the end (delta: 42.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 496.40ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 31.2MB in the end (delta: 3.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.12ms. Allocated memory is still 56.6MB. Free memory was 31.2MB in the beginning and 25.9MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.31ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 25.7MB in the beginning and 48.8MB in the end (delta: -23.1MB). Peak memory consumption was 6.5MB. Max. memory is 16.1GB. * RCFGBuilder took 612.07ms. Allocated memory is still 69.2MB. Free memory was 48.8MB in the beginning and 40.9MB in the end (delta: 7.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * BuchiAutomizer took 85071.35ms. Allocated memory was 69.2MB in the beginning and 100.7MB in the end (delta: 31.5MB). Free memory was 40.6MB in the beginning and 71.9MB in the end (delta: -31.3MB). Peak memory consumption was 51.3MB. 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 211 locations. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6) de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: ClassCastException: class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator cannot be cast to class de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData (de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsAggregator and de.uni_freiburg.informatik.ultimate.util.statistics.StatisticsData are in unnamed module of loader org.eclipse.osgi.internal.loader.EquinoxClassLoader @560348e6): de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoopBenchmark.prettyprintBenchmarkData(BuchiCegarLoopBenchmark.java:178) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-08-31 03:48:38,027 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...