./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/product-lines/minepump_spec4_product11.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_product11.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 48c39be663ea9587abdd0baa0fb24ac54d02b705 ............................................................................................................................................................................................................................................................................................................................................. 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 04:02:26,644 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-31 04:02:26,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-31 04:02:26,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-31 04:02:26,694 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-31 04:02:26,697 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-31 04:02:26,699 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-31 04:02:26,704 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-31 04:02:26,706 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-31 04:02:26,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-31 04:02:26,711 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-31 04:02:26,714 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-31 04:02:26,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-31 04:02:26,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-31 04:02:26,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-31 04:02:26,722 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-31 04:02:26,723 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-31 04:02:26,724 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-31 04:02:26,726 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-31 04:02:26,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-31 04:02:26,732 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-31 04:02:26,733 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-31 04:02:26,735 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-31 04:02:26,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-31 04:02:26,742 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-31 04:02:26,743 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-31 04:02:26,743 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-31 04:02:26,745 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-31 04:02:26,745 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-31 04:02:26,746 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-31 04:02:26,746 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-31 04:02:26,747 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-31 04:02:26,748 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-31 04:02:26,749 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-31 04:02:26,750 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-31 04:02:26,750 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-31 04:02:26,751 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-31 04:02:26,751 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-31 04:02:26,751 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-31 04:02:26,753 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-31 04:02:26,753 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-31 04:02:26,757 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-08-31 04:02:26,795 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-31 04:02:26,795 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-31 04:02:26,796 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-31 04:02:26,796 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-31 04:02:26,798 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-31 04:02:26,798 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-31 04:02:26,798 INFO L138 SettingsManager]: * Use SBE=true [2021-08-31 04:02:26,798 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-08-31 04:02:26,799 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-08-31 04:02:26,799 INFO L138 SettingsManager]: * Use old map elimination=false [2021-08-31 04:02:26,799 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-08-31 04:02:26,800 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-08-31 04:02:26,800 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-08-31 04:02:26,800 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-31 04:02:26,800 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-31 04:02:26,800 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-08-31 04:02:26,800 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-31 04:02:26,801 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-08-31 04:02:26,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-31 04:02:26,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-08-31 04:02:26,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-31 04:02:26,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-31 04:02:26,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-31 04:02:26,802 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-31 04:02:26,803 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-31 04:02:26,804 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-08-31 04:02:26,804 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48c39be663ea9587abdd0baa0fb24ac54d02b705 [2021-08-31 04:02:27,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-31 04:02:27,142 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-31 04:02:27,144 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-31 04:02:27,145 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-31 04:02:27,146 INFO L275 PluginConnector]: CDTParser initialized [2021-08-31 04:02:27,147 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-08-31 04:02:27,213 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede60258/9ebd069b769148ae93fe659f3a30951b/FLAGad12c92fe [2021-08-31 04:02:27,741 INFO L306 CDTParser]: Found 1 translation units. [2021-08-31 04:02:27,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product11.cil.c [2021-08-31 04:02:27,750 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede60258/9ebd069b769148ae93fe659f3a30951b/FLAGad12c92fe [2021-08-31 04:02:28,053 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ede60258/9ebd069b769148ae93fe659f3a30951b [2021-08-31 04:02:28,055 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-31 04:02:28,057 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-31 04:02:28,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-31 04:02:28,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-31 04:02:28,063 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-31 04:02:28,063 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,064 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48ba8702 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28, skipping insertion in model container [2021-08-31 04:02:28,064 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,070 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-31 04:02:28,118 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-31 04:02:28,224 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_product11.cil.c[1281,1294] [2021-08-31 04:02:28,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:02:28,352 INFO L203 MainTranslator]: Completed pre-run [2021-08-31 04:02:28,363 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_product11.cil.c[1281,1294] [2021-08-31 04:02:28,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-31 04:02:28,451 INFO L208 MainTranslator]: Completed translation [2021-08-31 04:02:28,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28 WrapperNode [2021-08-31 04:02:28,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-31 04:02:28,453 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-31 04:02:28,453 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-31 04:02:28,453 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-31 04:02:28,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,499 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-31 04:02:28,500 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-31 04:02:28,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-31 04:02:28,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-31 04:02:28,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,525 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-31 04:02:28,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-31 04:02:28,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-31 04:02:28,526 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-31 04:02:28,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (1/1) ... [2021-08-31 04:02:28,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-08-31 04:02:28,548 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-31 04:02:28,563 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 04:02:28,566 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 04:02:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-31 04:02:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-31 04:02:28,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-31 04:02:28,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-31 04:02:29,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-31 04:02:29,092 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-08-31 04:02:29,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:02:29 BoogieIcfgContainer [2021-08-31 04:02:29,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-31 04:02:29,094 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-08-31 04:02:29,094 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-08-31 04:02:29,097 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-08-31 04:02:29,097 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:02:29,098 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.08 04:02:28" (1/3) ... [2021-08-31 04:02:29,099 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cafe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:02:29, skipping insertion in model container [2021-08-31 04:02:29,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:02:29,099 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.08 04:02:28" (2/3) ... [2021-08-31 04:02:29,099 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3cafe96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.08 04:02:29, skipping insertion in model container [2021-08-31 04:02:29,099 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-08-31 04:02:29,100 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.08 04:02:29" (3/3) ... [2021-08-31 04:02:29,101 INFO L389 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product11.cil.c [2021-08-31 04:02:29,152 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-08-31 04:02:29,152 INFO L360 BuchiCegarLoop]: Hoare is false [2021-08-31 04:02:29,152 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-08-31 04:02:29,152 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-08-31 04:02:29,152 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-08-31 04:02:29,152 INFO L364 BuchiCegarLoop]: Difference is false [2021-08-31 04:02:29,153 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-08-31 04:02:29,153 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-08-31 04:02:29,170 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 04:02:29,198 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-31 04:02:29,198 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:02:29,198 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:02:29,203 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:02:29,204 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:02:29,204 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-08-31 04:02:29,204 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 04:02:29,214 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 35 [2021-08-31 04:02:29,214 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:02:29,214 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:02:29,215 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:02:29,215 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:02:29,225 INFO L791 eck$LassoCheckResult]: Stem: 42#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 34#L-1true havoc main_#res;havoc main_#t~ret41, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 28#L865true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 36#L873true main_#t~ret41 := valid_product_#res;main_~tmp~3 := main_#t~ret41;havoc main_#t~ret41; 35#L463true assume 0 != main_~tmp~3; 5#L437true havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 30#L280-1true [2021-08-31 04:02:29,226 INFO L793 eck$LassoCheckResult]: Loop: 30#L280-1true assume !false; 56#L215true assume test_~splverifierCounter~0 < 4; 31#L216true test_~tmp~1 := test_#t~nondet25;havoc test_#t~nondet25; 10#L224true assume !(0 != test_~tmp~1); 43#L224-1true test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 4#L234true assume !(0 != test_~tmp___0~0); 46#L234-1true test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 8#L244true assume 0 != test_~tmp___2~0; 22#L250-1true assume !(0 != ~pumpRunning~0); 48#L68true assume !(0 != ~systemActive~0); 51#L75true havoc __utac_acc__Specification4_spec__1_#t~ret29, __utac_acc__Specification4_spec__1_#t~ret30, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 41#L373true __utac_acc__Specification4_spec__1_#t~ret29 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret29;havoc __utac_acc__Specification4_spec__1_#t~ret29; 23#L280true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 30#L280-1true [2021-08-31 04:02:29,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:29,232 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2021-08-31 04:02:29,238 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:29,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909608653] [2021-08-31 04:02:29,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:29,240 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:29,491 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:02:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:29,589 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:02:29,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:29,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895413, now seen corresponding path program 1 times [2021-08-31 04:02:29,592 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:29,592 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246236465] [2021-08-31 04:02:29,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:29,593 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:29,597 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:02:29,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:29,603 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:02:29,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:29,607 INFO L82 PathProgramCache]: Analyzing trace with hash 40383525, now seen corresponding path program 1 times [2021-08-31 04:02:29,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:29,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914714949] [2021-08-31 04:02:29,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:29,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-31 04:02:29,785 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 04:02:29,785 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-31 04:02:29,787 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [914714949] [2021-08-31 04:02:29,787 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [914714949] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-31 04:02:29,787 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-31 04:02:29,788 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-31 04:02:29,788 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899118160] [2021-08-31 04:02:29,935 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-31 04:02:29,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-08-31 04:02:29,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-31 04:02:29,961 INFO L87 Difference]: Start difference. First operand has 56 states, 55 states have (on average 1.5272727272727273) internal successors, (84), 55 states have internal predecessors, (84), 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 04:02:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-31 04:02:30,462 INFO L93 Difference]: Finished difference Result 156 states and 210 transitions. [2021-08-31 04:02:30,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-08-31 04:02:30,470 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 156 states and 210 transitions. [2021-08-31 04:02:30,480 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 97 [2021-08-31 04:02:30,486 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 156 states to 135 states and 189 transitions. [2021-08-31 04:02:30,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 135 [2021-08-31 04:02:30,494 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 135 [2021-08-31 04:02:30,495 INFO L73 IsDeterministic]: Start isDeterministic. Operand 135 states and 189 transitions. [2021-08-31 04:02:30,497 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-08-31 04:02:30,497 INFO L681 BuchiCegarLoop]: Abstraction has 135 states and 189 transitions. [2021-08-31 04:02:30,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states and 189 transitions. [2021-08-31 04:02:30,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 90. [2021-08-31 04:02:30,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 90 states have (on average 1.4) internal successors, (126), 89 states have internal predecessors, (126), 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 04:02:30,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 126 transitions. [2021-08-31 04:02:30,528 INFO L704 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-08-31 04:02:30,528 INFO L587 BuchiCegarLoop]: Abstraction has 90 states and 126 transitions. [2021-08-31 04:02:30,528 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-08-31 04:02:30,528 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 90 states and 126 transitions. [2021-08-31 04:02:30,531 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 64 [2021-08-31 04:02:30,532 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-08-31 04:02:30,532 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-08-31 04:02:30,532 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-08-31 04:02:30,532 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-31 04:02:30,532 INFO L791 eck$LassoCheckResult]: Stem: 276#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~string10.base, #t~string10.offset := #Ultimate.allocOnStack(13);call #t~string12.base, #t~string12.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string16.base, #t~string16.offset, 1);call write~init~int(80, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(117, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(109, #t~string16.base, 3 + #t~string16.offset, 1);call write~init~int(112, #t~string16.base, 4 + #t~string16.offset, 1);call write~init~int(58, #t~string16.base, 5 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 6 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string18.base, #t~string18.offset, 1);call write~init~int(110, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(102, #t~string20.base, 2 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 3 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string22.base, #t~string22.offset, 1);call write~init~int(32, #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(2);call write~init~int(10, #t~string24.base, #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 1 + #t~string24.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(13);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string34.base, #t~string34.offset, 1);call write~init~int(77, #t~string34.base, 1 + #t~string34.offset, 1);call write~init~int(101, #t~string34.base, 2 + #t~string34.offset, 1);call write~init~int(116, #t~string34.base, 3 + #t~string34.offset, 1);call write~init~int(104, #t~string34.base, 4 + #t~string34.offset, 1);call write~init~int(58, #t~string34.base, 5 + #t~string34.offset, 1);call write~init~int(0, #t~string34.base, 6 + #t~string34.offset, 1);call #t~string36.base, #t~string36.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string36.base, #t~string36.offset, 1);call write~init~int(82, #t~string36.base, 1 + #t~string36.offset, 1);call write~init~int(73, #t~string36.base, 2 + #t~string36.offset, 1);call write~init~int(84, #t~string36.base, 3 + #t~string36.offset, 1);call write~init~int(0, #t~string36.base, 4 + #t~string36.offset, 1);call #t~string38.base, #t~string38.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string38.base, #t~string38.offset, 1);call write~init~int(75, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 2 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string40.base, #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 1 + #t~string40.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(30);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(9);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(21);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(30);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(9);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(21);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(30);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(9);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(25);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(30);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(9);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 271#L-1 havoc main_#res;havoc main_#t~ret41, main_~retValue_acc~4, main_~tmp~3;havoc main_~retValue_acc~4;havoc main_~tmp~3; 266#L865 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 267#L873 main_#t~ret41 := valid_product_#res;main_~tmp~3 := main_#t~ret41;havoc main_#t~ret41; 272#L463 assume 0 != main_~tmp~3; 233#L437 havoc test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_#t~nondet28, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 234#L280-1 [2021-08-31 04:02:30,533 INFO L793 eck$LassoCheckResult]: Loop: 234#L280-1 assume !false; 268#L215 assume test_~splverifierCounter~0 < 4; 269#L216 test_~tmp~1 := test_#t~nondet25;havoc test_#t~nondet25; 243#L224 assume !(0 != test_~tmp~1); 245#L224-1 test_~tmp___0~0 := test_#t~nondet26;havoc test_#t~nondet26; 230#L234 assume !(0 != test_~tmp___0~0); 231#L234-1 test_~tmp___2~0 := test_#t~nondet27;havoc test_#t~nondet27; 239#L244 assume 0 != test_~tmp___2~0; 240#L250-1 assume !(0 != ~pumpRunning~0); 263#L68 assume 0 != ~systemActive~0; 277#L75 havoc __utac_acc__Specification4_spec__1_#t~ret29, __utac_acc__Specification4_spec__1_#t~ret30, __utac_acc__Specification4_spec__1_~tmp~2, __utac_acc__Specification4_spec__1_~tmp___0~1;havoc __utac_acc__Specification4_spec__1_~tmp~2;havoc __utac_acc__Specification4_spec__1_~tmp___0~1;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~3;havoc getWaterLevel_~retValue_acc~3;getWaterLevel_~retValue_acc~3 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~3; 275#L373 __utac_acc__Specification4_spec__1_#t~ret29 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~2 := __utac_acc__Specification4_spec__1_#t~ret29;havoc __utac_acc__Specification4_spec__1_#t~ret29; 264#L280 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~2); 234#L280-1 [2021-08-31 04:02:30,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:30,533 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2021-08-31 04:02:30,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:30,533 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535887033] [2021-08-31 04:02:30,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:30,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,581 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:02:30,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,639 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:02:30,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:30,640 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984786, now seen corresponding path program 1 times [2021-08-31 04:02:30,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:30,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233851697] [2021-08-31 04:02:30,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:30,640 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,644 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:02:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,648 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:02:30,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-31 04:02:30,649 INFO L82 PathProgramCache]: Analyzing trace with hash 40294152, now seen corresponding path program 1 times [2021-08-31 04:02:30,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-31 04:02:30,650 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413127716] [2021-08-31 04:02:30,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-31 04:02:30,650 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-31 04:02:30,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,690 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-31 04:02:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-31 04:02:30,761 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-31 04:03:10,965 WARN L210 SmtUtils]: Spent 40.13s on a formula simplification. DAG size of input: 491 DAG size of output: 433 [2021-08-31 04:03:53,063 WARN L210 SmtUtils]: Spent 20.37s on a formula simplification that was a NOOP. DAG size: 433 [2021-08-31 04:03:53,182 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 04:03:53,184 INFO L158 Benchmark]: Toolchain (without parser) took 85127.68ms. Allocated memory was 56.6MB in the beginning and 90.2MB in the end (delta: 33.6MB). Free memory was 34.6MB in the beginning and 35.1MB in the end (delta: -502.2kB). Peak memory consumption was 52.3MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,185 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 56.6MB. Free memory was 39.0MB in the beginning and 39.0MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-31 04:03:53,185 INFO L158 Benchmark]: CACSL2BoogieTranslator took 392.83ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 33.9MB in the end (delta: 596.4kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,186 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.91ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 31.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,186 INFO L158 Benchmark]: Boogie Preprocessor took 25.15ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 29.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,187 INFO L158 Benchmark]: RCFGBuilder took 567.96ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.6MB in the beginning and 48.0MB in the end (delta: -18.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,187 INFO L158 Benchmark]: BuchiAutomizer took 84089.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 35.1MB in the end (delta: 12.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. [2021-08-31 04:03:53,190 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 39.0MB in the beginning and 39.0MB in the end (delta: 43.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 392.83ms. Allocated memory is still 56.6MB. Free memory was 34.5MB in the beginning and 33.9MB in the end (delta: 596.4kB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.91ms. Allocated memory is still 56.6MB. Free memory was 33.9MB in the beginning and 31.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.15ms. Allocated memory is still 56.6MB. Free memory was 31.3MB in the beginning and 29.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 567.96ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 29.6MB in the beginning and 48.0MB in the end (delta: -18.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 84089.40ms. Allocated memory was 71.3MB in the beginning and 90.2MB in the end (delta: 18.9MB). Free memory was 47.7MB in the beginning and 35.1MB in the end (delta: 12.5MB). Peak memory consumption was 48.0MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 90 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 04:03:53,229 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...