./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/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 f0335c6392c59c467837b14da92286fa43b99dfc ......................................................................................................................................................................................................................................................................................................................................................... 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 0.1.24-678e011 [2019-11-20 00:52:57,830 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 00:52:57,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 00:52:57,842 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 00:52:57,842 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 00:52:57,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 00:52:57,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 00:52:57,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 00:52:57,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 00:52:57,849 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 00:52:57,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 00:52:57,851 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 00:52:57,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 00:52:57,852 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 00:52:57,853 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 00:52:57,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 00:52:57,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 00:52:57,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 00:52:57,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 00:52:57,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 00:52:57,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 00:52:57,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 00:52:57,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 00:52:57,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 00:52:57,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 00:52:57,866 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 00:52:57,866 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 00:52:57,867 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 00:52:57,867 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 00:52:57,868 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 00:52:57,868 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 00:52:57,868 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 00:52:57,869 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 00:52:57,870 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 00:52:57,870 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 00:52:57,871 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 00:52:57,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 00:52:57,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 00:52:57,872 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 00:52:57,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 00:52:57,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 00:52:57,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-20 00:52:57,889 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 00:52:57,889 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 00:52:57,890 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 00:52:57,890 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 00:52:57,890 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 00:52:57,890 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-20 00:52:57,890 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-20 00:52:57,891 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-20 00:52:57,891 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-20 00:52:57,891 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-20 00:52:57,891 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-20 00:52:57,891 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 00:52:57,892 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-20 00:52:57,893 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 00:52:57,894 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-20 00:52:57,894 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 00:52:57,894 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 00:52:57,894 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-20 00:52:57,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 00:52:57,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 00:52:57,895 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-20 00:52:57,896 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-20 00:52:57,896 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/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 -> f0335c6392c59c467837b14da92286fa43b99dfc [2019-11-20 00:52:58,088 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 00:52:58,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 00:52:58,100 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 00:52:58,103 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 00:52:58,103 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 00:52:58,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-20 00:52:58,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/data/d913fcbf8/08d9c1f295b7469b90ee99b9115fc2a7/FLAG5a8707815 [2019-11-20 00:52:58,550 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 00:52:58,551 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/sv-benchmarks/c/product-lines/minepump_spec4_product08.cil.c [2019-11-20 00:52:58,561 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/data/d913fcbf8/08d9c1f295b7469b90ee99b9115fc2a7/FLAG5a8707815 [2019-11-20 00:52:58,973 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/data/d913fcbf8/08d9c1f295b7469b90ee99b9115fc2a7 [2019-11-20 00:52:58,975 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 00:52:58,976 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 00:52:58,977 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 00:52:58,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 00:52:58,981 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 00:52:58,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:52:58" (1/1) ... [2019-11-20 00:52:58,984 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60e1ca53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:58, skipping insertion in model container [2019-11-20 00:52:58,984 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:52:58" (1/1) ... [2019-11-20 00:52:58,996 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 00:52:59,059 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 00:52:59,426 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:52:59,455 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 00:52:59,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 00:52:59,584 INFO L192 MainTranslator]: Completed translation [2019-11-20 00:52:59,585 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59 WrapperNode [2019-11-20 00:52:59,585 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 00:52:59,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 00:52:59,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 00:52:59,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 00:52:59,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,622 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 00:52:59,678 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 00:52:59,678 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 00:52:59,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 00:52:59,687 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,709 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,709 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,737 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,739 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... [2019-11-20 00:52:59,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 00:52:59,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 00:52:59,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 00:52:59,757 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 00:52:59,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/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 [2019-11-20 00:52:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-20 00:52:59,824 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-20 00:52:59,825 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 00:52:59,825 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 00:53:00,448 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 00:53:00,448 INFO L285 CfgBuilder]: Removed 102 assume(true) statements. [2019-11-20 00:53:00,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:53:00 BoogieIcfgContainer [2019-11-20 00:53:00,449 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 00:53:00,450 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-20 00:53:00,450 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-20 00:53:00,453 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-20 00:53:00,454 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:53:00,454 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:52:58" (1/3) ... [2019-11-20 00:53:00,458 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@232bef44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:53:00, skipping insertion in model container [2019-11-20 00:53:00,458 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:53:00,459 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:52:59" (2/3) ... [2019-11-20 00:53:00,459 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@232bef44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:53:00, skipping insertion in model container [2019-11-20 00:53:00,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-20 00:53:00,460 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:53:00" (3/3) ... [2019-11-20 00:53:00,462 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product08.cil.c [2019-11-20 00:53:00,514 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-20 00:53:00,514 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-20 00:53:00,515 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-20 00:53:00,515 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 00:53:00,515 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 00:53:00,515 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-20 00:53:00,515 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 00:53:00,516 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-20 00:53:00,533 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-20 00:53:00,561 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-20 00:53:00,562 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:53:00,562 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:53:00,569 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:53:00,569 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:53:00,570 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-20 00:53:00,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 68 states. [2019-11-20 00:53:00,582 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2019-11-20 00:53:00,582 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:53:00,582 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:53:00,583 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:53:00,583 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:53:00,594 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 9#L-1true havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 38#L151true 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; 57#L159true main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 29#L249true assume 0 != main_~tmp~0; 62#L225true havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 58#L639-1true [2019-11-20 00:53:00,595 INFO L796 eck$LassoCheckResult]: Loop: 58#L639-1true assume !false; 39#L828true assume test_~splverifierCounter~0 < 4; 60#L829true test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 17#L837true assume !(0 != test_~tmp~6); 3#L837-1true test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 70#L847true assume !(0 != test_~tmp___0~1); 49#L847-1true test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 31#L857true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 54#L865-1true assume !(0 != ~pumpRunning~0); 64#L668true assume !(0 != ~systemActive~0); 50#L675true havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 30#L121true __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 7#L639true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 58#L639-1true [2019-11-20 00:53:00,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:53:00,601 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2019-11-20 00:53:00,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:53:00,610 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684771569] [2019-11-20 00:53:00,611 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:53:00,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:00,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:00,978 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:53:00,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:53:00,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1672356212, now seen corresponding path program 1 times [2019-11-20 00:53:00,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:53:00,980 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709535861] [2019-11-20 00:53:00,980 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:53:00,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 00:53:01,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 00:53:01,048 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709535861] [2019-11-20 00:53:01,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 00:53:01,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 00:53:01,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975213389] [2019-11-20 00:53:01,055 INFO L811 eck$LassoCheckResult]: loop already infeasible [2019-11-20 00:53:01,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 00:53:01,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 00:53:01,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 00:53:01,071 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 3 states. [2019-11-20 00:53:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 00:53:01,139 INFO L93 Difference]: Finished difference Result 130 states and 180 transitions. [2019-11-20 00:53:01,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 00:53:01,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 130 states and 180 transitions. [2019-11-20 00:53:01,145 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 82 [2019-11-20 00:53:01,151 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 130 states to 116 states and 165 transitions. [2019-11-20 00:53:01,152 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 116 [2019-11-20 00:53:01,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 116 [2019-11-20 00:53:01,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 116 states and 165 transitions. [2019-11-20 00:53:01,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-20 00:53:01,155 INFO L688 BuchiCegarLoop]: Abstraction has 116 states and 165 transitions. [2019-11-20 00:53:01,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states and 165 transitions. [2019-11-20 00:53:01,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 114. [2019-11-20 00:53:01,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-11-20 00:53:01,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2019-11-20 00:53:01,188 INFO L711 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 00:53:01,188 INFO L591 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2019-11-20 00:53:01,188 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-20 00:53:01,188 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2019-11-20 00:53:01,191 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2019-11-20 00:53:01,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-20 00:53:01,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-20 00:53:01,191 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2019-11-20 00:53:01,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 00:53:01,192 INFO L794 eck$LassoCheckResult]: Stem: 238#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(13);call #t~string3.base, #t~string3.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string30.base, #t~string30.offset := #Ultimate.allocOnStack(30);call #t~string31.base, #t~string31.offset := #Ultimate.allocOnStack(9);call #t~string32.base, #t~string32.offset := #Ultimate.allocOnStack(21);call #t~string33.base, #t~string33.offset := #Ultimate.allocOnStack(30);call #t~string34.base, #t~string34.offset := #Ultimate.allocOnStack(9);call #t~string35.base, #t~string35.offset := #Ultimate.allocOnStack(21);call #t~string39.base, #t~string39.offset := #Ultimate.allocOnStack(30);call #t~string40.base, #t~string40.offset := #Ultimate.allocOnStack(9);call #t~string41.base, #t~string41.offset := #Ultimate.allocOnStack(25);call #t~string42.base, #t~string42.offset := #Ultimate.allocOnStack(30);call #t~string43.base, #t~string43.offset := #Ultimate.allocOnStack(9);call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(25);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(13);call #t~string54.base, #t~string54.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string54.base, #t~string54.offset, 1);call write~init~int(110, #t~string54.base, 1 + #t~string54.offset, 1);call write~init~int(0, #t~string54.base, 2 + #t~string54.offset, 1);call #t~string56.base, #t~string56.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string56.base, #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 1 + #t~string56.offset, 1);call write~init~int(102, #t~string56.base, 2 + #t~string56.offset, 1);call write~init~int(0, #t~string56.base, 3 + #t~string56.offset, 1);call #t~string58.base, #t~string58.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string58.base, #t~string58.offset, 1);call write~init~int(80, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(117, #t~string58.base, 2 + #t~string58.offset, 1);call write~init~int(109, #t~string58.base, 3 + #t~string58.offset, 1);call write~init~int(112, #t~string58.base, 4 + #t~string58.offset, 1);call write~init~int(58, #t~string58.base, 5 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 6 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(110, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 2 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string62.base, #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(102, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 3 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string64.base, #t~string64.offset, 1);call write~init~int(32, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 2 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string66.base, #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 1 + #t~string66.offset, 1); 219#L-1 havoc main_#res;havoc main_#t~ret11, main_~retValue_acc~4, main_~tmp~0;havoc main_~retValue_acc~4;havoc main_~tmp~0; 220#L151 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; 258#L159 main_#t~ret11 := valid_product_#res;main_~tmp~0 := main_#t~ret11;havoc main_#t~ret11; 245#L249 assume 0 != main_~tmp~0; 246#L225 havoc test_#t~nondet67, test_#t~nondet68, test_#t~nondet69, test_#t~nondet70, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 210#L639-1 [2019-11-20 00:53:01,192 INFO L796 eck$LassoCheckResult]: Loop: 210#L639-1 assume !false; 259#L828 assume test_~splverifierCounter~0 < 4; 260#L829 test_~tmp~6 := test_#t~nondet67;havoc test_#t~nondet67; 227#L837 assume !(0 != test_~tmp~6); 207#L837-1 test_~tmp___0~1 := test_#t~nondet68;havoc test_#t~nondet68; 208#L847 assume !(0 != test_~tmp___0~1); 224#L847-1 test_~tmp___2~0 := test_#t~nondet69;havoc test_#t~nondet69; 248#L857 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 249#L865-1 assume !(0 != ~pumpRunning~0); 236#L668 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret49, processEnvironment_~tmp~5;havoc processEnvironment_~tmp~5; 261#L700 assume !(0 != ~pumpRunning~0); 263#L675 havoc __utac_acc__Specification4_spec__1_#t~ret47, __utac_acc__Specification4_spec__1_#t~ret48, __utac_acc__Specification4_spec__1_~tmp~4, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~4;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~1;havoc getWaterLevel_~retValue_acc~1;getWaterLevel_~retValue_acc~1 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~1; 247#L121 __utac_acc__Specification4_spec__1_#t~ret47 := getWaterLevel_#res;__utac_acc__Specification4_spec__1_~tmp~4 := __utac_acc__Specification4_spec__1_#t~ret47;havoc __utac_acc__Specification4_spec__1_#t~ret47; 215#L639 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~4); 210#L639-1 [2019-11-20 00:53:01,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:53:01,192 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2019-11-20 00:53:01,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:53:01,193 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326304749] [2019-11-20 00:53:01,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:53:01,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,299 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:53:01,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:53:01,303 INFO L82 PathProgramCache]: Analyzing trace with hash -323963301, now seen corresponding path program 1 times [2019-11-20 00:53:01,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:53:01,304 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957088464] [2019-11-20 00:53:01,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:53:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,337 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:53:01,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 00:53:01,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1279076225, now seen corresponding path program 1 times [2019-11-20 00:53:01,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 00:53:01,344 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260432066] [2019-11-20 00:53:01,345 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 00:53:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-20 00:53:01,429 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-20 00:53:29,016 WARN L191 SmtUtils]: Spent 27.44 s on a formula simplification. DAG size of input: 452 DAG size of output: 400 [2019-11-20 00:53:41,724 WARN L191 SmtUtils]: Spent 12.71 s on a formula simplification that was a NOOP. DAG size: 400 [2019-11-20 00:53:41,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:53:41 BoogieIcfgContainer [2019-11-20 00:53:41,782 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-20 00:53:41,782 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 00:53:41,782 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 00:53:41,783 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 00:53:41,783 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:53:00" (3/4) ... [2019-11-20 00:53:41,786 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-20 00:53:41,833 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_258f5d9f-2ef2-4e7c-b7fa-620efaec67dd/bin/uautomizer/witness.graphml [2019-11-20 00:53:41,834 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 00:53:41,835 INFO L168 Benchmark]: Toolchain (without parser) took 42858.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -152.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,835 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:53:41,836 INFO L168 Benchmark]: CACSL2BoogieTranslator took 609.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,836 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 00:53:41,837 INFO L168 Benchmark]: Boogie Preprocessor took 77.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,837 INFO L168 Benchmark]: RCFGBuilder took 693.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,838 INFO L168 Benchmark]: BuchiAutomizer took 41332.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -42.4 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,838 INFO L168 Benchmark]: Witness Printer took 51.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2019-11-20 00:53:41,841 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 609.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -178.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.06 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.76 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 693.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 41332.07 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 44.6 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -42.4 MB). Peak memory consumption was 237.7 MB. Max. memory is 11.5 GB. * Witness Printer took 51.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * 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 3 locations. The remainder module has 114 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 41.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 41.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 114 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 92 SDtfs, 88 SDslu, 80 SDs, 0 SdLazy, 10 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 827]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=2885} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=6992, NULL=2885, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=7003, NULL=0, NULL=0, NULL=0, NULL=7007, NULL=7012, methaneLevelCritical=0, NULL=7004, NULL=6996, tmp=0, NULL=0, tmp___1=0, tmp___0=0, NULL=2886, cleanupTimeShifts=4, NULL=6997, NULL=7009, NULL=6995, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6742f3b=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d935a17=0, NULL=6993, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7df16ddc=0, NULL=7005, NULL=0, NULL=0, NULL=6994, NULL=0, NULL=0, \result=1, retValue_acc=1, head=0, pumpRunning=0, tmp=1, \result=0, NULL=7011, NULL=7013, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@687124e2=65, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1c3f971e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6e851c4e=0, NULL=0, NULL=6999, retValue_acc=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1b743a19=0, tmp=1, NULL=7014, tmp___2=65, NULL=6998, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@11a60d68=0, NULL=7000, head=0, tmp=0, NULL=7001, NULL=0, NULL=7010, NULL=0, NULL=7002, NULL=2887, NULL=7006, NULL=7008} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L46] int waterLevel = 1; [L47] int methaneLevelCritical = 0; [L164] int cleanupTimeShifts = 4; [L432] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L661] int pumpRunning = 0; [L662] int systemActive = 1; [L240] int retValue_acc ; [L241] int tmp ; [L155] int retValue_acc ; [L158] retValue_acc = 1 [L159] return (retValue_acc); [L247] tmp = valid_product() [L249] COND TRUE \read(tmp) [L818] int splverifierCounter ; [L819] int tmp ; [L820] int tmp___0 ; [L821] int tmp___1 ; [L822] int tmp___2 ; [L825] splverifierCounter = 0 Loop: [L827] COND TRUE 1 [L829] COND TRUE splverifierCounter < 4 [L835] tmp = __VERIFIER_nondet_int() [L837] COND FALSE !(\read(tmp)) [L845] tmp___0 = __VERIFIER_nondet_int() [L847] COND FALSE !(\read(tmp___0)) [L855] tmp___2 = __VERIFIER_nondet_int() [L857] COND TRUE \read(tmp___2) [L812] systemActive = 1 [L668] COND FALSE !(\read(pumpRunning)) [L675] COND TRUE \read(systemActive) [L697] int tmp ; [L700] COND FALSE !(\read(pumpRunning)) [L632] int tmp ; [L633] int tmp___0 ; [L117] int retValue_acc ; [L120] retValue_acc = waterLevel [L121] return (retValue_acc); [L637] tmp = getWaterLevel() [L639] COND FALSE !(tmp == 0) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...