./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product61.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_product61.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 a1351cae46a0bf53747c47a3bd817fbc84c54eae ................................................................................................................................................................................................................................................................................................................................................................................................... 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 04:07:42,747 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:07:42,748 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:07:42,766 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:07:42,767 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:07:42,769 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:07:42,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:07:42,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:07:42,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:07:42,790 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:07:42,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:07:42,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:07:42,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:07:42,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:07:42,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:07:42,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:07:42,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:07:42,799 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:07:42,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:07:42,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:07:42,807 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:07:42,808 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:07:42,810 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:07:42,810 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:07:42,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:07:42,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:07:42,815 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:07:42,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:07:42,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:07:42,817 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:07:42,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:07:42,818 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:07:42,819 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:07:42,820 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:07:42,821 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:07:42,821 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:07:42,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:07:42,821 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:07:42,821 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:07:42,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:07:42,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:07:42,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:07:42,857 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:07:42,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:07:42,858 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:07:42,858 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:07:42,860 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:07:42,860 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:07:42,860 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:07:42,860 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:07:42,860 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:07:42,860 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:07:42,861 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:07:42,861 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:07:42,861 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:07:42,861 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:07:42,861 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:07:42,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:07:42,863 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:07:42,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:07:42,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:07:42,864 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:07:42,864 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a1351cae46a0bf53747c47a3bd817fbc84c54eae [2021-08-31 04:07:43,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:07:43,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:07:43,166 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:07:43,166 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:07:43,167 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:07:43,168 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-08-31 04:07:43,212 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f216cbcc/c62eb046b642490ea9e30bebb75aa211/FLAGf66cd33a4 [2021-08-31 04:07:43,606 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:07:43,606 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product61.cil.c [2021-08-31 04:07:43,616 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f216cbcc/c62eb046b642490ea9e30bebb75aa211/FLAGf66cd33a4 [2021-08-31 04:07:43,983 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9f216cbcc/c62eb046b642490ea9e30bebb75aa211 [2021-08-31 04:07:43,985 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:07:43,988 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:07:43,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:07:43,991 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:07:43,993 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:07:43,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:07:43" (1/1) ... [2021-08-31 04:07:43,994 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e3a7515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:43, skipping insertion in model container [2021-08-31 04:07:43,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:07:43" (1/1) ... [2021-08-31 04:07:43,998 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:07:44,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:07:44,110 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_product61.cil.c[1281,1294] [2021-08-31 04:07:44,210 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:07:44,216 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:07:44,224 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_product61.cil.c[1281,1294] [2021-08-31 04:07:44,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:07:44,285 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:07:44,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44 WrapperNode [2021-08-31 04:07:44,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:07:44,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:07:44,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:07:44,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:07:44,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,301 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,352 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:07:44,353 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:07:44,353 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:07:44,353 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:07:44,365 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,370 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,397 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,401 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:07:44,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:07:44,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:07:44,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:07:44,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (1/1) ... [2021-08-31 04:07:44,427 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:07:44,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:07:44,443 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 04:07:44,466 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 04:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:07:44,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:07:44,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:07:44,878 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:07:44,878 INFO L299 CfgBuilder]: Removed 348 assume(true) statements. [2021-08-31 04:07:44,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:07:44 BoogieIcfgContainer [2021-08-31 04:07:44,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:07:44,880 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:07:44,880 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:07:44,882 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:07:44,882 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:44,882 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:07:43" (1/3) ... [2021-08-31 04:07:44,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78093d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:07:44, skipping insertion in model container [2021-08-31 04:07:44,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:44,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:07:44" (2/3) ... [2021-08-31 04:07:44,883 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78093d55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:07:44, skipping insertion in model container [2021-08-31 04:07:44,883 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:07:44,883 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:07:44" (3/3) ... [2021-08-31 04:07:44,884 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product61.cil.c [2021-08-31 04:07:44,913 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:07:44,913 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:07:44,913 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:07:44,913 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:07:44,913 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:07:44,913 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:07:44,913 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:07:44,913 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:07:44,931 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 04:07:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2021-08-31 04:07:44,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:44,959 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:44,964 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:44,964 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:07:44,964 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:07:44,964 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 04:07:44,970 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2021-08-31 04:07:44,970 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:44,970 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:44,971 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:44,971 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:07:44,975 INFO L791 eck$LassoCheckResult]: Stem: 213#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);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(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);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(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 146#L-1true havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 51#L76true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 99#L84true main_#t~ret82 := valid_product_#res;main_~tmp~11 := main_#t~ret82;havoc main_#t~ret82; 203#L986true assume 0 != main_~tmp~11; 195#L963true havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, 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; 123#L520-1true [2021-08-31 04:07:44,976 INFO L793 eck$LassoCheckResult]: Loop: 123#L520-1true assume !false; 162#L354true assume test_~splverifierCounter~0 < 4; 145#L355true test_~tmp~6 := test_#t~nondet31;havoc test_#t~nondet31; 110#L363true assume !(0 != test_~tmp~6); 43#L363-1true test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 98#L373true assume !(0 != test_~tmp___0~2); 129#L373-1true test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 152#L383true assume 0 != test_~tmp___2~0; 142#L389-2true assume !(0 != ~pumpRunning~0); 104#L107true assume !(0 != ~systemActive~0); 45#L114true havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 103#L484true __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 147#L520true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 123#L520-1true [2021-08-31 04:07:44,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:44,991 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:07:44,996 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:44,997 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334515315] [2021-08-31 04:07:44,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:44,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:45,206 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:45,281 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:45,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:45,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1675126782, now seen corresponding path program 1 times [2021-08-31 04:07:45,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:45,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832276195] [2021-08-31 04:07:45,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:45,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:45,293 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:45,304 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:45,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:45,308 INFO L82 PathProgramCache]: Analyzing trace with hash 39152156, now seen corresponding path program 1 times [2021-08-31 04:07:45,308 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:45,309 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596314283] [2021-08-31 04:07:45,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:45,309 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:07:45,422 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 04:07:45,439 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:07:45,439 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596314283] [2021-08-31 04:07:45,440 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596314283] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:07:45,440 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:07:45,440 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:07:45,440 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209363131] [2021-08-31 04:07:45,549 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:07:45,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:07:45,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:07:45,573 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 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-31 04:07:45,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:07:45,997 INFO L93 Difference]: Finished difference Result 222 states and 322 transitions. [2021-08-31 04:07:45,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-31 04:07:46,003 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 222 states and 322 transitions. [2021-08-31 04:07:46,009 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-31 04:07:46,016 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 222 states to 215 states and 315 transitions. [2021-08-31 04:07:46,017 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 215 [2021-08-31 04:07:46,018 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 215 [2021-08-31 04:07:46,018 INFO L73 IsDeterministic]: Start isDeterministic. Operand 215 states and 315 transitions. [2021-08-31 04:07:46,020 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:07:46,020 INFO L681 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 04:07:46,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states and 315 transitions. [2021-08-31 04:07:46,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2021-08-31 04:07:46,063 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 04:07:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 315 transitions. [2021-08-31 04:07:46,065 INFO L704 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 04:07:46,065 INFO L587 BuchiCegarLoop]: Abstraction has 215 states and 315 transitions. [2021-08-31 04:07:46,065 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:07:46,065 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 215 states and 315 transitions. [2021-08-31 04:07:46,067 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 143 [2021-08-31 04:07:46,067 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:46,067 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:46,069 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:46,069 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 04:07:46,069 INFO L791 eck$LassoCheckResult]: Stem: 675#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);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(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);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(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 653#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 548#L76 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 549#L84 main_#t~ret82 := valid_product_#res;main_~tmp~11 := main_#t~ret82;havoc main_#t~ret82; 607#L986 assume 0 != main_~tmp~11; 670#L963 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, 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; 635#L520-1 [2021-08-31 04:07:46,069 INFO L793 eck$LassoCheckResult]: Loop: 635#L520-1 assume !false; 636#L354 assume test_~splverifierCounter~0 < 4; 652#L355 test_~tmp~6 := test_#t~nondet31;havoc test_#t~nondet31; 616#L363 assume !(0 != test_~tmp~6); 534#L363-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 535#L373 assume !(0 != test_~tmp___0~2); 605#L373-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 642#L383 assume 0 != test_~tmp___2~0; 482#L389-2 assume !(0 != ~pumpRunning~0); 594#L107 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 561#L191 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret9, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 475#L165-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret8, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 476#L139-3 assume !(0 == ~pumpRunning~0); 471#L114 havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 538#L484 __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 609#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 635#L520-1 [2021-08-31 04:07:46,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:46,069 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:07:46,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:46,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1333434883] [2021-08-31 04:07:46,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:46,070 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,128 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:46,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,159 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:46,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:46,160 INFO L82 PathProgramCache]: Analyzing trace with hash 391395521, now seen corresponding path program 1 times [2021-08-31 04:07:46,160 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:46,160 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1202464297] [2021-08-31 04:07:46,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:46,160 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:46,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:07:46,182 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 04:07:46,182 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:07:46,182 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1202464297] [2021-08-31 04:07:46,182 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1202464297] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:07:46,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:07:46,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-31 04:07:46,183 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966727949] [2021-08-31 04:07:46,183 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-08-31 04:07:46,183 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:07:46,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-31 04:07:46,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-31 04:07:46,183 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 04:07:46,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:07:46,525 INFO L93 Difference]: Finished difference Result 211 states and 291 transitions. [2021-08-31 04:07:46,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-31 04:07:46,526 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 211 states and 291 transitions. [2021-08-31 04:07:46,527 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-31 04:07:46,528 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 211 states to 211 states and 291 transitions. [2021-08-31 04:07:46,528 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 211 [2021-08-31 04:07:46,528 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 211 [2021-08-31 04:07:46,529 INFO L73 IsDeterministic]: Start isDeterministic. Operand 211 states and 291 transitions. [2021-08-31 04:07:46,529 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:07:46,529 INFO L681 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 04:07:46,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states and 291 transitions. [2021-08-31 04:07:46,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2021-08-31 04:07:46,533 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 04:07:46,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 291 transitions. [2021-08-31 04:07:46,534 INFO L704 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 04:07:46,534 INFO L587 BuchiCegarLoop]: Abstraction has 211 states and 291 transitions. [2021-08-31 04:07:46,534 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-08-31 04:07:46,534 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 211 states and 291 transitions. [2021-08-31 04:07:46,535 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 144 [2021-08-31 04:07:46,535 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:07:46,535 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:07:46,535 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:07:46,535 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 04:07:46,535 INFO L791 eck$LassoCheckResult]: Stem: 1072#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~string14.base, #t~string14.offset := #Ultimate.allocOnStack(13);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(110, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(102, #t~string18.base, 2 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 3 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string20.base, #t~string20.offset, 1);call write~init~int(80, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(117, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(109, #t~string20.base, 3 + #t~string20.offset, 1);call write~init~int(112, #t~string20.base, 4 + #t~string20.offset, 1);call write~init~int(58, #t~string20.base, 5 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 6 + #t~string20.offset, 1);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(3);call write~init~int(41, #t~string26.base, #t~string26.offset, 1);call write~init~int(32, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string28.base, #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 1 + #t~string28.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(13);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);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(21);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(30);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(9);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(21);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(30);call #t~string75.base, #t~string75.offset := #Ultimate.allocOnStack(9);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(25);call #t~string77.base, #t~string77.offset := #Ultimate.allocOnStack(30);call #t~string78.base, #t~string78.offset := #Ultimate.allocOnStack(9);call #t~string79.base, #t~string79.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 980#L-1 havoc main_#res;havoc main_#t~ret82, main_~retValue_acc~13, main_~tmp~11;havoc main_~retValue_acc~13;havoc main_~tmp~11; 981#L76 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 1025#L84 main_#t~ret82 := valid_product_#res;main_~tmp~11 := main_#t~ret82;havoc main_#t~ret82; 1066#L986 assume 0 != main_~tmp~11; 1058#L963 havoc test_#t~nondet31, test_#t~nondet32, test_#t~nondet33, test_#t~nondet34, 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; 1059#L520-1 [2021-08-31 04:07:46,535 INFO L793 eck$LassoCheckResult]: Loop: 1059#L520-1 assume !false; 1085#L354 assume test_~splverifierCounter~0 < 4; 1084#L355 test_~tmp~6 := test_#t~nondet31;havoc test_#t~nondet31; 1083#L363 assume !(0 != test_~tmp~6); 1081#L363-1 test_~tmp___0~2 := test_#t~nondet32;havoc test_#t~nondet32; 1080#L373 assume !(0 != test_~tmp___0~2); 1078#L373-1 test_~tmp___2~0 := test_#t~nondet33;havoc test_#t~nondet33; 1077#L383 assume 0 != test_~tmp___2~0; 966#L389-2 assume !(0 != ~pumpRunning~0); 967#L107 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret10, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 1043#L191 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret9, processEnvironment__wrappee__methaneQuery_~tmp~1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1; 918#L165-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret8, processEnvironment__wrappee__highWaterSensor_~tmp~0;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0; 919#L139-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret29, isHighWaterLevel_~retValue_acc~4, isHighWaterLevel_~tmp~4, isHighWaterLevel_~tmp___0~0;havoc isHighWaterLevel_~retValue_acc~4;havoc isHighWaterLevel_~tmp~4;havoc isHighWaterLevel_~tmp___0~0;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 985#L492-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 986#L497-3 isHighWaterLevel_#t~ret29 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~4 := isHighWaterLevel_#t~ret29;havoc isHighWaterLevel_#t~ret29; 916#L310-9 assume 0 != isHighWaterLevel_~tmp~4;isHighWaterLevel_~tmp___0~0 := 0; 917#L310-11 isHighWaterLevel_~retValue_acc~4 := isHighWaterLevel_~tmp___0~0;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~4; 1031#L316-3 processEnvironment__wrappee__highWaterSensor_#t~ret8 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~0 := processEnvironment__wrappee__highWaterSensor_#t~ret8;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8; 1032#L143-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0); 979#L114 havoc __utac_acc__Specification4_spec__1_#t~ret45, __utac_acc__Specification4_spec__1_#t~ret46, __utac_acc__Specification4_spec__1_~tmp~7, __utac_acc__Specification4_spec__1_~tmp___0~3;havoc __utac_acc__Specification4_spec__1_~tmp~7;havoc __utac_acc__Specification4_spec__1_~tmp___0~3;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 1089#L484 __utac_acc__Specification4_spec__1_#t~ret45 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~7 := __utac_acc__Specification4_spec__1_#t~ret45;havoc __utac_acc__Specification4_spec__1_#t~ret45; 1087#L520 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7); 1059#L520-1 [2021-08-31 04:07:46,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:46,536 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2021-08-31 04:07:46,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:46,536 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677557656] [2021-08-31 04:07:46,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:46,536 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:46,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,569 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,605 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:46,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:46,609 INFO L82 PathProgramCache]: Analyzing trace with hash 697809965, now seen corresponding path program 1 times [2021-08-31 04:07:46,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:46,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [734408050] [2021-08-31 04:07:46,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:46,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,614 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,622 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:07:46,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:07:46,624 INFO L82 PathProgramCache]: Analyzing trace with hash 1951115091, now seen corresponding path program 1 times [2021-08-31 04:07:46,624 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:07:46,625 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295458837] [2021-08-31 04:07:46,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:07:46,625 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:07:46,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,649 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:07:46,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:07:46,695 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:08:26,010 WARN L210 SmtUtils]: Spent 39.15s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:09:07,594 WARN L210 SmtUtils]: Spent 20.13s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:09:07,667 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 04:09:07,669 INFO L158 Benchmark]: Toolchain (without parser) took 83682.60ms. Allocated memory was 56.6MB in the beginning and 109.1MB in the end (delta: 52.4MB). Free memory was 33.3MB in the beginning and 58.8MB in the end (delta: -25.5MB). Peak memory consumption was 68.1MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,670 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:09:07,670 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.15ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 31.6MB in the end (delta: 1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,670 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.83ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 26.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,671 INFO L158 Benchmark]: Boogie Preprocessor took 47.99ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 51.0MB in the end (delta: -24.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,671 INFO L158 Benchmark]: RCFGBuilder took 478.18ms. Allocated memory is still 71.3MB. Free memory was 51.0MB in the beginning and 46.1MB in the end (delta: 4.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,672 INFO L158 Benchmark]: BuchiAutomizer took 82788.54ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 58.8MB in the end (delta: -12.6MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. [2021-08-31 04:09:07,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 38.1MB in the beginning and 38.1MB in the end (delta: 60.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.15ms. Allocated memory is still 56.6MB. Free memory was 33.2MB in the beginning and 31.6MB in the end (delta: 1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.83ms. Allocated memory is still 56.6MB. Free memory was 31.6MB in the beginning and 26.2MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.99ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 26.2MB in the beginning and 51.0MB in the end (delta: -24.8MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 478.18ms. Allocated memory is still 71.3MB. Free memory was 51.0MB in the beginning and 46.1MB in the end (delta: 4.8MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 82788.54ms. Allocated memory was 71.3MB in the beginning and 109.1MB in the end (delta: 37.7MB). Free memory was 46.1MB in the beginning and 58.8MB in the end (delta: -12.6MB). Peak memory consumption was 65.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 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 04:09:07,704 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...