./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer --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 b05c68c7cd77b199dd3080e2ac6975aaa635405f .................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-30 00:12:43,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-30 00:12:43,637 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-30 00:12:43,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-30 00:12:43,710 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-30 00:12:43,718 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-30 00:12:43,721 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-30 00:12:43,732 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-30 00:12:43,736 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-30 00:12:43,746 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-30 00:12:43,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-30 00:12:43,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-30 00:12:43,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-30 00:12:43,755 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-30 00:12:43,757 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-30 00:12:43,759 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-30 00:12:43,761 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-30 00:12:43,767 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-30 00:12:43,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-30 00:12:43,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-30 00:12:43,775 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-30 00:12:43,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-30 00:12:43,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-30 00:12:43,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-30 00:12:43,784 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-30 00:12:43,785 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-30 00:12:43,785 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-30 00:12:43,787 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-30 00:12:43,787 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-30 00:12:43,789 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-30 00:12:43,789 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-30 00:12:43,790 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-30 00:12:43,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-30 00:12:43,793 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-30 00:12:43,795 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-30 00:12:43,795 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-30 00:12:43,796 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-30 00:12:43,797 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-30 00:12:43,797 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-30 00:12:43,799 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-30 00:12:43,800 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-30 00:12:43,801 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-30 00:12:43,832 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-30 00:12:43,833 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-30 00:12:43,834 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-30 00:12:43,834 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-30 00:12:43,835 INFO L138 SettingsManager]: * Use SBE=true [2020-11-30 00:12:43,835 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-30 00:12:43,835 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-30 00:12:43,836 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-30 00:12:43,836 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-30 00:12:43,836 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-30 00:12:43,837 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-30 00:12:43,837 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-30 00:12:43,837 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-30 00:12:43,838 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-30 00:12:43,838 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-30 00:12:43,838 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-30 00:12:43,838 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-30 00:12:43,839 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-30 00:12:43,839 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-30 00:12:43,839 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-30 00:12:43,840 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-30 00:12:43,840 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-30 00:12:43,840 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-30 00:12:43,841 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-30 00:12:43,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-30 00:12:43,841 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-30 00:12:43,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-30 00:12:43,842 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-30 00:12:43,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-30 00:12:43,842 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-30 00:12:43,843 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-30 00:12:43,843 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-30 00:12:43,844 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-30 00:12:43,845 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:/tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b05c68c7cd77b199dd3080e2ac6975aaa635405f [2020-11-30 00:12:44,126 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-30 00:12:44,160 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-30 00:12:44,163 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-30 00:12:44,165 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-30 00:12:44,166 INFO L275 PluginConnector]: CDTParser initialized [2020-11-30 00:12:44,167 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2020-11-30 00:12:44,255 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/data/d14700b70/6d7de53411134d9db2ec8b95350bfae4/FLAG5bd76aa6e [2020-11-30 00:12:44,863 INFO L306 CDTParser]: Found 1 translation units. [2020-11-30 00:12:44,864 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/sv-benchmarks/c/product-lines/minepump_spec2_product01.cil.c [2020-11-30 00:12:44,886 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/data/d14700b70/6d7de53411134d9db2ec8b95350bfae4/FLAG5bd76aa6e [2020-11-30 00:12:45,121 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/data/d14700b70/6d7de53411134d9db2ec8b95350bfae4 [2020-11-30 00:12:45,126 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-30 00:12:45,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-30 00:12:45,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:45,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-30 00:12:45,140 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-30 00:12:45,141 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,143 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6359d806 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45, skipping insertion in model container [2020-11-30 00:12:45,144 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,152 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-30 00:12:45,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-30 00:12:45,589 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:45,602 INFO L203 MainTranslator]: Completed pre-run [2020-11-30 00:12:45,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-30 00:12:45,729 INFO L208 MainTranslator]: Completed translation [2020-11-30 00:12:45,730 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45 WrapperNode [2020-11-30 00:12:45,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-30 00:12:45,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:45,732 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-30 00:12:45,732 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-30 00:12:45,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,763 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,818 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-30 00:12:45,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-30 00:12:45,820 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-30 00:12:45,820 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-30 00:12:45,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,842 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,865 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... [2020-11-30 00:12:45,881 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-30 00:12:45,882 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-30 00:12:45,882 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-30 00:12:45,882 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-30 00:12:45,883 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-11-30 00:12:45,968 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-30 00:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-30 00:12:45,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-30 00:12:45,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-30 00:12:47,156 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-30 00:12:47,157 INFO L298 CfgBuilder]: Removed 74 assume(true) statements. [2020-11-30 00:12:47,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:47 BoogieIcfgContainer [2020-11-30 00:12:47,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-30 00:12:47,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-30 00:12:47,161 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-30 00:12:47,165 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-30 00:12:47,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:47,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 30.11 12:12:45" (1/3) ... [2020-11-30 00:12:47,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77abab68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:12:47, skipping insertion in model container [2020-11-30 00:12:47,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:47,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 30.11 12:12:45" (2/3) ... [2020-11-30 00:12:47,169 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@77abab68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 30.11 12:12:47, skipping insertion in model container [2020-11-30 00:12:47,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-30 00:12:47,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:47" (3/3) ... [2020-11-30 00:12:47,172 INFO L373 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product01.cil.c [2020-11-30 00:12:47,243 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-30 00:12:47,243 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-30 00:12:47,243 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-30 00:12:47,243 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-30 00:12:47,244 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-30 00:12:47,245 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-30 00:12:47,245 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-30 00:12:47,245 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-30 00:12:47,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states. [2020-11-30 00:12:47,298 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-30 00:12:47,298 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:12:47,299 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:12:47,310 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:47,311 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:47,311 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-11-30 00:12:47,311 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 61 states. [2020-11-30 00:12:47,327 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 37 [2020-11-30 00:12:47,327 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-11-30 00:12:47,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-11-30 00:12:47,329 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:47,329 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-30 00:12:47,346 INFO L794 eck$LassoCheckResult]: Stem: 40#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(31);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(13);call #t~string11.base, #t~string11.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string11.base, #t~string11.offset, 1);call write~init~int(110, #t~string11.base, 1 + #t~string11.offset, 1);call write~init~int(0, #t~string11.base, 2 + #t~string11.offset, 1);call #t~string13.base, #t~string13.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string13.base, #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 1 + #t~string13.offset, 1);call write~init~int(102, #t~string13.base, 2 + #t~string13.offset, 1);call write~init~int(0, #t~string13.base, 3 + #t~string13.offset, 1);call #t~string15.base, #t~string15.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string15.base, #t~string15.offset, 1);call write~init~int(80, #t~string15.base, 1 + #t~string15.offset, 1);call write~init~int(117, #t~string15.base, 2 + #t~string15.offset, 1);call write~init~int(109, #t~string15.base, 3 + #t~string15.offset, 1);call write~init~int(112, #t~string15.base, 4 + #t~string15.offset, 1);call write~init~int(58, #t~string15.base, 5 + #t~string15.offset, 1);call write~init~int(0, #t~string15.base, 6 + #t~string15.offset, 1);call #t~string17.base, #t~string17.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string17.base, #t~string17.offset, 1);call write~init~int(110, #t~string17.base, 1 + #t~string17.offset, 1);call write~init~int(0, #t~string17.base, 2 + #t~string17.offset, 1);call #t~string19.base, #t~string19.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string19.base, #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 1 + #t~string19.offset, 1);call write~init~int(102, #t~string19.base, 2 + #t~string19.offset, 1);call write~init~int(0, #t~string19.base, 3 + #t~string19.offset, 1);call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string21.base, #t~string21.offset, 1);call write~init~int(32, #t~string21.base, 1 + #t~string21.offset, 1);call write~init~int(0, #t~string21.base, 2 + #t~string21.offset, 1);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string23.base, #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 1 + #t~string23.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(30);call #t~string51.base, #t~string51.offset := #Ultimate.allocOnStack(9);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(21);call #t~string53.base, #t~string53.offset := #Ultimate.allocOnStack(30);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(9);call #t~string55.base, #t~string55.offset := #Ultimate.allocOnStack(21);call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(30);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(9);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(25);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(30);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(9);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(25);call #t~string68.base, #t~string68.offset := #Ultimate.allocOnStack(13);call #t~string70.base, #t~string70.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string70.base, #t~string70.offset, 1);call write~init~int(77, #t~string70.base, 1 + #t~string70.offset, 1);call write~init~int(101, #t~string70.base, 2 + #t~string70.offset, 1);call write~init~int(116, #t~string70.base, 3 + #t~string70.offset, 1);call write~init~int(104, #t~string70.base, 4 + #t~string70.offset, 1);call write~init~int(58, #t~string70.base, 5 + #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 6 + #t~string70.offset, 1);call #t~string72.base, #t~string72.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string72.base, #t~string72.offset, 1);call write~init~int(82, #t~string72.base, 1 + #t~string72.offset, 1);call write~init~int(73, #t~string72.base, 2 + #t~string72.offset, 1);call write~init~int(84, #t~string72.base, 3 + #t~string72.offset, 1);call write~init~int(0, #t~string72.base, 4 + #t~string72.offset, 1);call #t~string74.base, #t~string74.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string74.base, #t~string74.offset, 1);call write~init~int(75, #t~string74.base, 1 + #t~string74.offset, 1);call write~init~int(0, #t~string74.base, 2 + #t~string74.offset, 1);call #t~string76.base, #t~string76.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string76.base, #t~string76.offset, 1);call write~init~int(0, #t~string76.base, 1 + #t~string76.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0; 12#L-1true havoc main_#res;havoc main_#t~ret29, main_~retValue_acc~4, main_~tmp~1;havoc main_~retValue_acc~4;havoc main_~tmp~1; 59#L251true havoc valid_product_#res;havoc valid_product_~retValue_acc~3;havoc valid_product_~retValue_acc~3;valid_product_~retValue_acc~3 := 1;valid_product_#res := valid_product_~retValue_acc~3; 27#L259true main_#t~ret29 := valid_product_#res;main_~tmp~1 := main_#t~ret29;havoc main_#t~ret29; 45#L348true assume 0 != main_~tmp~1; 47#L323true ~methAndRunningLastTime~0 := 0; 23#L369true havoc test_#t~nondet24, test_#t~nondet25, test_#t~nondet26, test_#t~nondet27, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 25#L380-1true [2020-11-30 00:12:47,347 INFO L796 eck$LassoCheckResult]: Loop: 25#L380-1true assume !false; 44#L172true assume test_~splverifierCounter~0 < 4; 56#L173true test_~tmp~0 := test_#t~nondet24;havoc test_#t~nondet24; 61#L181true assume !(0 != test_~tmp~0); 50#L181-1true test_~tmp___0~0 := test_#t~nondet25;havoc test_#t~nondet25; 53#L191true assume !(0 != test_~tmp___0~0); 36#L191-1true test_~tmp___2~0 := test_#t~nondet26;havoc test_#t~nondet26; 10#L201true assume 0 != test_~tmp___2~0; 62#L207-2true assume !(0 != ~pumpRunning~0); 5#L58true assume 0 != ~systemActive~0; 16#L65true havoc __utac_acc__Specification2_spec__2_#t~ret30, __utac_acc__Specification2_spec__2_#t~ret31, __utac_acc__Specification2_spec__2_~tmp~2, __utac_acc__Specification2_spec__2_~tmp___0~1;havoc __utac_acc__Specification2_spec__2_~tmp~2;havoc __utac_acc__Specification2_spec__2_~tmp___0~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 33#L812true __utac_acc__Specification2_spec__2_#t~ret30 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~2 := __utac_acc__Specification2_spec__2_#t~ret30;havoc __utac_acc__Specification2_spec__2_#t~ret30; 21#L380true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~2);~methAndRunningLastTime~0 := 0; 25#L380-1true [2020-11-30 00:12:47,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:47,356 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2020-11-30 00:12:47,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:47,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264576715] [2020-11-30 00:12:47,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:47,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:47,738 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:47,893 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:47,957 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:12:47,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:47,959 INFO L82 PathProgramCache]: Analyzing trace with hash 1709487, now seen corresponding path program 1 times [2020-11-30 00:12:47,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:47,960 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821919946] [2020-11-30 00:12:47,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:47,969 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:47,987 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:47,993 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:12:47,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-30 00:12:47,996 INFO L82 PathProgramCache]: Analyzing trace with hash 835005993, now seen corresponding path program 1 times [2020-11-30 00:12:48,011 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-30 00:12:48,011 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588439462] [2020-11-30 00:12:48,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-30 00:12:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:48,114 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:48,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-30 00:12:48,223 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-30 00:12:48,275 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-11-30 00:14:14,997 WARN L193 SmtUtils]: Spent 1.44 m on a formula simplification. DAG size of input: 495 DAG size of output: 437 [2020-11-30 00:15:08,937 WARN L193 SmtUtils]: Spent 53.90 s on a formula simplification that was a NOOP. DAG size: 435 [2020-11-30 00:15:09,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 30.11 12:15:09 BoogieIcfgContainer [2020-11-30 00:15:09,248 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-30 00:15:09,249 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-30 00:15:09,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-30 00:15:09,249 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-30 00:15:09,251 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 30.11 12:12:47" (3/4) ... [2020-11-30 00:15:09,254 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2020-11-30 00:15:09,311 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8cccc070-6e7f-4ddf-95d2-5f88d32aaf70/bin/uautomizer/witness.graphml [2020-11-30 00:15:09,311 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-30 00:15:09,313 INFO L168 Benchmark]: Toolchain (without parser) took 144183.58 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 53.3 MB in the beginning and 52.1 MB in the end (delta: 1.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,314 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:15:09,314 INFO L168 Benchmark]: CACSL2BoogieTranslator took 599.53 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 55.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,315 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.23 ms. Allocated memory is still 86.0 MB. Free memory was 55.1 MB in the beginning and 52.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,316 INFO L168 Benchmark]: Boogie Preprocessor took 61.63 ms. Allocated memory is still 86.0 MB. Free memory was 52.5 MB in the beginning and 50.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-30 00:15:09,317 INFO L168 Benchmark]: RCFGBuilder took 1277.43 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 54.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,317 INFO L168 Benchmark]: BuchiAutomizer took 142087.98 ms. Allocated memory is still 104.9 MB. Free memory was 53.7 MB in the beginning and 55.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,318 INFO L168 Benchmark]: Witness Printer took 62.40 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 52.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-30 00:15:09,325 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 86.0 MB. Free memory was 60.9 MB in the beginning and 60.9 MB in the end (delta: 30.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 599.53 ms. Allocated memory is still 86.0 MB. Free memory was 53.0 MB in the beginning and 55.1 MB in the end (delta: -2.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.23 ms. Allocated memory is still 86.0 MB. Free memory was 55.1 MB in the beginning and 52.5 MB in the end (delta: 2.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 61.63 ms. Allocated memory is still 86.0 MB. Free memory was 52.5 MB in the beginning and 50.9 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 1277.43 ms. Allocated memory was 86.0 MB in the beginning and 104.9 MB in the end (delta: 18.9 MB). Free memory was 50.4 MB in the beginning and 54.3 MB in the end (delta: -3.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 142087.98 ms. Allocated memory is still 104.9 MB. Free memory was 53.7 MB in the beginning and 55.3 MB in the end (delta: -1.6 MB). Peak memory consumption was 39.4 MB. Max. memory is 16.1 GB. * Witness Printer took 62.40 ms. Allocated memory is still 104.9 MB. Free memory was 55.3 MB in the beginning and 52.1 MB in the end (delta: 3.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 141.9s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 141.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 171]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=28424} State at position 1 is {NULL=28433, NULL=0, NULL=0, NULL=0, NULL=28452, NULL=0, NULL=28424, retValue_acc=0, NULL=0, NULL=0, NULL=28438, NULL=28437, NULL=28442, NULL=28445, methaneLevelCritical=0, NULL=0, NULL=28436, tmp___1=0, NULL=28444, NULL=0, NULL=0, cleanupTimeShifts=4, tmp=0, NULL=28447, NULL=28430, NULL=28443, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, retValue_acc=0, NULL=0, tmp___0=0, NULL=0, NULL=0, NULL=28450, NULL=0, NULL=0, NULL=28434, \result=1, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2e5b91f8=0, \result=0, NULL=28435, NULL=28441, NULL=28448, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f49e9ac=0, NULL=0, tmp=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@b07eac9=53, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56ff8a5d=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@84ba689=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2a942c89=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@479384f4=0, NULL=0, NULL=0, retValue_acc=1, NULL=28431, NULL=0, NULL=0, NULL=28428, NULL=0, tmp___2=53, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=28426, NULL=28446, NULL=28429, NULL=28449, NULL=28439, head=0, NULL=28427, NULL=0, NULL=0, NULL=28451, NULL=28425, NULL=28440, tmp=0, NULL=28432} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L50] int pumpRunning = 0; [L51] int systemActive = 1; [L264] int cleanupTimeShifts = 4; [L363] int methAndRunningLastTime ; [L571] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L769] int waterLevel = 1; [L770] int methaneLevelCritical = 0; [L339] int retValue_acc ; [L340] int tmp ; [L255] int retValue_acc ; [L258] retValue_acc = 1 [L259] return (retValue_acc); [L346] tmp = valid_product() [L348] COND TRUE \read(tmp) [L368] methAndRunningLastTime = 0 [L162] int splverifierCounter ; [L163] int tmp ; [L164] int tmp___0 ; [L165] int tmp___1 ; [L166] int tmp___2 ; [L169] splverifierCounter = 0 Loop: [L171] COND TRUE 1 [L173] COND TRUE splverifierCounter < 4 [L179] tmp = __VERIFIER_nondet_int() [L181] COND FALSE !(\read(tmp)) [L189] tmp___0 = __VERIFIER_nondet_int() [L191] COND FALSE !(\read(tmp___0)) [L199] tmp___2 = __VERIFIER_nondet_int() [L201] COND TRUE \read(tmp___2) [L58] COND FALSE !(\read(pumpRunning)) [L65] COND TRUE \read(systemActive) [L373] int tmp ; [L374] int tmp___0 ; [L808] int retValue_acc ; [L811] retValue_acc = methaneLevelCritical [L812] return (retValue_acc); [L378] tmp = isMethaneLevelCritical() [L380] COND FALSE !(\read(tmp)) [L396] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...