./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/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 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f ........................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-cad4683 [2019-11-15 22:31:16,739 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:31:16,741 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:31:16,758 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:31:16,758 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:31:16,760 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:31:16,762 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:31:16,772 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:31:16,777 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:31:16,780 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:31:16,781 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:31:16,782 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:31:16,782 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:31:16,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:31:16,784 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:31:16,785 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:31:16,785 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:31:16,786 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:31:16,788 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:31:16,790 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:31:16,794 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:31:16,796 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:31:16,799 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:31:16,799 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:31:16,804 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:31:16,804 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:31:16,805 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:31:16,806 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:31:16,807 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:31:16,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:31:16,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:31:16,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:31:16,810 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:31:16,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:31:16,815 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:31:16,815 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:31:16,816 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:31:16,816 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:31:16,817 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:31:16,817 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:31:16,818 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:31:16,819 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:31:16,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:31:16,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:31:16,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:31:16,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:31:16,854 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:31:16,854 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:31:16,854 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:31:16,855 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:31:16,855 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:31:16,855 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:31:16,855 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:31:16,856 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:31:16,856 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:31:16,856 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:31:16,856 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:31:16,857 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:31:16,857 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:31:16,857 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:31:16,857 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:31:16,858 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:31:16,858 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:31:16,858 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:31:16,858 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:31:16,858 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:31:16,859 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:31:16,859 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:31:16,859 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:31:16,859 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:31:16,860 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:31:16,860 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:31:16,860 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:31:16,861 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:31:16,861 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_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/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 -> 0a6118f2b5d6b5aa5216f9e2bec3bfdc8db33c9f [2019-11-15 22:31:16,906 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:31:16,921 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:31:16,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:31:16,926 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:31:16,927 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:31:16,927 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2019-11-15 22:31:16,994 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/data/4aec42196/b34f940f0d9c419d856c11bc6d0a4a3a/FLAGb048a4cb9 [2019-11-15 22:31:17,475 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:31:17,476 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/sv-benchmarks/c/product-lines/minepump_spec2_product61.cil.c [2019-11-15 22:31:17,487 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/data/4aec42196/b34f940f0d9c419d856c11bc6d0a4a3a/FLAGb048a4cb9 [2019-11-15 22:31:17,852 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/data/4aec42196/b34f940f0d9c419d856c11bc6d0a4a3a [2019-11-15 22:31:17,855 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:31:17,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:31:17,857 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:31:17,857 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:31:17,861 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:31:17,862 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:31:17" (1/1) ... [2019-11-15 22:31:17,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eeadc14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:17, skipping insertion in model container [2019-11-15 22:31:17,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:31:17" (1/1) ... [2019-11-15 22:31:17,872 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:31:17,933 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:31:18,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:31:18,332 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:31:18,441 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:31:18,479 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:31:18,479 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18 WrapperNode [2019-11-15 22:31:18,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:31:18,480 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:31:18,481 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:31:18,481 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:31:18,490 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,510 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,586 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:31:18,587 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:31:18,587 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:31:18,587 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:31:18,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,678 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... [2019-11-15 22:31:18,706 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:31:18,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:31:18,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:31:18,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:31:18,721 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/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 [2019-11-15 22:31:18,801 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:31:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-15 22:31:18,802 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:31:18,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:31:19,932 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:31:19,933 INFO L284 CfgBuilder]: Removed 350 assume(true) statements. [2019-11-15 22:31:19,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:19 BoogieIcfgContainer [2019-11-15 22:31:19,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:31:19,935 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:31:19,935 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:31:19,938 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:31:19,939 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:19,940 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:31:17" (1/3) ... [2019-11-15 22:31:19,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@408f4b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:31:19, skipping insertion in model container [2019-11-15 22:31:19,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:19,943 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:31:18" (2/3) ... [2019-11-15 22:31:19,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@408f4b9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:31:19, skipping insertion in model container [2019-11-15 22:31:19,943 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:31:19,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:19" (3/3) ... [2019-11-15 22:31:19,945 INFO L371 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product61.cil.c [2019-11-15 22:31:19,993 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:31:19,993 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:31:19,993 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:31:19,993 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:31:19,993 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:31:19,994 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:31:19,994 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:31:19,994 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:31:20,017 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states. [2019-11-15 22:31:20,072 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-15 22:31:20,072 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:20,073 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:20,083 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:20,083 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:20,083 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:31:20,083 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states. [2019-11-15 22:31:20,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 147 [2019-11-15 22:31:20,102 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:20,103 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:20,105 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:20,105 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:20,117 INFO L791 eck$LassoCheckResult]: Stem: 61#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 6#L-1true havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 151#L584true havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 171#L592true main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 209#L173true assume 0 != main_~tmp~1; 215#L145true ~methAndRunningLastTime~0 := 0; 74#L49true havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 71#L60-1true [2019-11-15 22:31:20,118 INFO L793 eck$LassoCheckResult]: Loop: 71#L60-1true assume !false; 201#L608true assume test_~splverifierCounter~0 < 4; 27#L609true test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 149#L617true assume !(0 != test_~tmp~5); 152#L617-1true test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 81#L627true assume !(0 != test_~tmp___0~1); 84#L627-1true test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 22#L637true assume 0 != test_~tmp___2~0; 5#L643-2true assume !(0 != ~pumpRunning~0); 185#L779true assume !(0 != ~systemActive~0); 12#L786true havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 58#L710-5true __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 75#L60true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 71#L60-1true [2019-11-15 22:31:20,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2019-11-15 22:31:20,133 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:20,134 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957551939] [2019-11-15 22:31:20,134 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:20,135 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:20,135 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:21,231 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:21,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:21,233 INFO L82 PathProgramCache]: Analyzing trace with hash 9156234, now seen corresponding path program 1 times [2019-11-15 22:31:21,233 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:21,233 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1736771774] [2019-11-15 22:31:21,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,234 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:21,262 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:21,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:21,265 INFO L82 PathProgramCache]: Analyzing trace with hash 842452740, now seen corresponding path program 1 times [2019-11-15 22:31:21,266 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:21,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298095974] [2019-11-15 22:31:21,266 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,267 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,267 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:31:21,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:31:21,436 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [298095974] [2019-11-15 22:31:21,437 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:31:21,437 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 22:31:21,438 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179949391] [2019-11-15 22:31:21,640 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-11-15 22:31:21,662 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:31:21,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-15 22:31:21,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-11-15 22:31:21,681 INFO L87 Difference]: Start difference. First operand 226 states. Second operand 6 states. [2019-11-15 22:31:21,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:31:21,852 INFO L93 Difference]: Finished difference Result 226 states and 329 transitions. [2019-11-15 22:31:21,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-15 22:31:21,854 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 329 transitions. [2019-11-15 22:31:21,858 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-11-15 22:31:21,866 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 219 states and 322 transitions. [2019-11-15 22:31:21,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 219 [2019-11-15 22:31:21,870 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 219 [2019-11-15 22:31:21,871 INFO L73 IsDeterministic]: Start isDeterministic. Operand 219 states and 322 transitions. [2019-11-15 22:31:21,873 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:31:21,873 INFO L688 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2019-11-15 22:31:21,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states and 322 transitions. [2019-11-15 22:31:21,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2019-11-15 22:31:21,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2019-11-15 22:31:21,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 322 transitions. [2019-11-15 22:31:21,914 INFO L711 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2019-11-15 22:31:21,914 INFO L591 BuchiCegarLoop]: Abstraction has 219 states and 322 transitions. [2019-11-15 22:31:21,914 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:31:21,914 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 219 states and 322 transitions. [2019-11-15 22:31:21,916 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 145 [2019-11-15 22:31:21,917 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:21,917 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:21,918 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:21,918 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:21,918 INFO L791 eck$LassoCheckResult]: Stem: 576#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 477#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 478#L584 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 660#L592 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 671#L173 assume 0 != main_~tmp~1; 688#L145 ~methAndRunningLastTime~0 := 0; 590#L49 havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 497#L60-1 [2019-11-15 22:31:21,919 INFO L793 eck$LassoCheckResult]: Loop: 497#L60-1 assume !false; 586#L608 assume test_~splverifierCounter~0 < 4; 520#L609 test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 521#L617 assume !(0 != test_~tmp~5); 658#L617-1 test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 596#L627 assume !(0 != test_~tmp___0~1); 517#L627-1 test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 511#L637 assume 0 != test_~tmp___2~0; 474#L643-2 assume !(0 != ~pumpRunning~0); 475#L779 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 508#L863 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret54, processEnvironment__wrappee__methaneQuery_~tmp~7;havoc processEnvironment__wrappee__methaneQuery_~tmp~7; 509#L837-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 525#L811-3 assume !(0 == ~pumpRunning~0); 482#L786 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 492#L710-5 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 573#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 497#L60-1 [2019-11-15 22:31:21,919 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:21,919 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2019-11-15 22:31:21,919 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:21,920 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684166678] [2019-11-15 22:31:21,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,920 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:21,920 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:22,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,266 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:22,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:22,267 INFO L82 PathProgramCache]: Analyzing trace with hash -1236370745, now seen corresponding path program 1 times [2019-11-15 22:31:22,267 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:22,267 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399255172] [2019-11-15 22:31:22,268 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,271 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,271 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:22,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:31:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:31:22,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399255172] [2019-11-15 22:31:22,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:31:22,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:31:22,291 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30035303] [2019-11-15 22:31:22,292 INFO L808 eck$LassoCheckResult]: loop already infeasible [2019-11-15 22:31:22,292 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:31:22,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:31:22,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:31:22,293 INFO L87 Difference]: Start difference. First operand 219 states and 322 transitions. cyclomatic complexity: 105 Second operand 3 states. [2019-11-15 22:31:22,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:31:22,437 INFO L93 Difference]: Finished difference Result 218 states and 304 transitions. [2019-11-15 22:31:22,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:31:22,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 218 states and 304 transitions. [2019-11-15 22:31:22,441 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2019-11-15 22:31:22,444 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 218 states to 218 states and 304 transitions. [2019-11-15 22:31:22,444 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 218 [2019-11-15 22:31:22,445 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 218 [2019-11-15 22:31:22,445 INFO L73 IsDeterministic]: Start isDeterministic. Operand 218 states and 304 transitions. [2019-11-15 22:31:22,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:31:22,447 INFO L688 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2019-11-15 22:31:22,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states and 304 transitions. [2019-11-15 22:31:22,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2019-11-15 22:31:22,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2019-11-15 22:31:22,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 304 transitions. [2019-11-15 22:31:22,458 INFO L711 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2019-11-15 22:31:22,459 INFO L591 BuchiCegarLoop]: Abstraction has 218 states and 304 transitions. [2019-11-15 22:31:22,459 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 22:31:22,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 218 states and 304 transitions. [2019-11-15 22:31:22,460 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 148 [2019-11-15 22:31:22,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:31:22,461 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:31:22,462 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:22,462 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:31:22,462 INFO L791 eck$LassoCheckResult]: Stem: 1063#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~methAndRunningLastTime~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;call #t~string21.base, #t~string21.offset := #Ultimate.allocOnStack(30);call #t~string22.base, #t~string22.offset := #Ultimate.allocOnStack(9);call #t~string23.base, #t~string23.offset := #Ultimate.allocOnStack(21);call #t~string24.base, #t~string24.offset := #Ultimate.allocOnStack(30);call #t~string25.base, #t~string25.offset := #Ultimate.allocOnStack(9);call #t~string26.base, #t~string26.offset := #Ultimate.allocOnStack(21);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(25);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(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string44.base, #t~string44.offset := #Ultimate.allocOnStack(13);call #t~string46.base, #t~string46.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string46.base, #t~string46.offset, 1);call write~init~int(77, #t~string46.base, 1 + #t~string46.offset, 1);call write~init~int(101, #t~string46.base, 2 + #t~string46.offset, 1);call write~init~int(116, #t~string46.base, 3 + #t~string46.offset, 1);call write~init~int(104, #t~string46.base, 4 + #t~string46.offset, 1);call write~init~int(58, #t~string46.base, 5 + #t~string46.offset, 1);call write~init~int(0, #t~string46.base, 6 + #t~string46.offset, 1);call #t~string48.base, #t~string48.offset := #Ultimate.allocOnStack(5);call write~init~int(67, #t~string48.base, #t~string48.offset, 1);call write~init~int(82, #t~string48.base, 1 + #t~string48.offset, 1);call write~init~int(73, #t~string48.base, 2 + #t~string48.offset, 1);call write~init~int(84, #t~string48.base, 3 + #t~string48.offset, 1);call write~init~int(0, #t~string48.base, 4 + #t~string48.offset, 1);call #t~string50.base, #t~string50.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string50.base, #t~string50.offset, 1);call write~init~int(75, #t~string50.base, 1 + #t~string50.offset, 1);call write~init~int(0, #t~string50.base, 2 + #t~string50.offset, 1);call #t~string52.base, #t~string52.offset := #Ultimate.allocOnStack(2);call write~init~int(41, #t~string52.base, #t~string52.offset, 1);call write~init~int(0, #t~string52.base, 1 + #t~string52.offset, 1);~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string59.base, #t~string59.offset := #Ultimate.allocOnStack(13);call #t~string61.base, #t~string61.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string61.base, #t~string61.offset, 1);call write~init~int(110, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 2 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string63.base, #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(102, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 3 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.allocOnStack(7);call write~init~int(44, #t~string65.base, #t~string65.offset, 1);call write~init~int(80, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(117, #t~string65.base, 2 + #t~string65.offset, 1);call write~init~int(109, #t~string65.base, 3 + #t~string65.offset, 1);call write~init~int(112, #t~string65.base, 4 + #t~string65.offset, 1);call write~init~int(58, #t~string65.base, 5 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 6 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.allocOnStack(3);call write~init~int(79, #t~string67.base, #t~string67.offset, 1);call write~init~int(110, #t~string67.base, 1 + #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 2 + #t~string67.offset, 1);call #t~string69.base, #t~string69.offset := #Ultimate.allocOnStack(4);call write~init~int(79, #t~string69.base, #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 1 + #t~string69.offset, 1);call write~init~int(102, #t~string69.base, 2 + #t~string69.offset, 1);call write~init~int(0, #t~string69.base, 3 + #t~string69.offset, 1);call #t~string71.base, #t~string71.offset := #Ultimate.allocOnStack(3);call write~init~int(41, #t~string71.base, #t~string71.offset, 1);call write~init~int(32, #t~string71.base, 1 + #t~string71.offset, 1);call write~init~int(0, #t~string71.base, 2 + #t~string71.offset, 1);call #t~string73.base, #t~string73.offset := #Ultimate.allocOnStack(2);call write~init~int(10, #t~string73.base, #t~string73.offset, 1);call write~init~int(0, #t~string73.base, 1 + #t~string73.offset, 1); 926#L-1 havoc main_#res;havoc main_#t~ret2, main_~retValue_acc~0, main_~tmp~1;havoc main_~retValue_acc~0;havoc main_~tmp~1; 927#L584 havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 1002#L592 main_#t~ret2 := valid_product_#res;main_~tmp~1 := main_#t~ret2;havoc main_#t~ret2; 1039#L173 assume 0 != main_~tmp~1; 1088#L145 ~methAndRunningLastTime~0 := 0; 1079#L49 havoc test_#t~nondet39, test_#t~nondet40, test_#t~nondet41, test_#t~nondet42, test_~splverifierCounter~0, test_~tmp~5, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~5;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 943#L60-1 [2019-11-15 22:31:22,462 INFO L793 eck$LassoCheckResult]: Loop: 943#L60-1 assume !false; 1075#L608 assume test_~splverifierCounter~0 < 4; 995#L609 test_~tmp~5 := test_#t~nondet39;havoc test_#t~nondet39; 996#L617 assume !(0 != test_~tmp~5); 998#L617-1 test_~tmp___0~1 := test_#t~nondet40;havoc test_#t~nondet40; 1003#L627 assume !(0 != test_~tmp___0~1); 991#L627-1 test_~tmp___2~0 := test_#t~nondet41;havoc test_#t~nondet41; 975#L637 assume 0 != test_~tmp___2~0; 914#L643-2 assume !(0 != ~pumpRunning~0); 920#L779 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret55, processEnvironment_~tmp~8;havoc processEnvironment_~tmp~8; 971#L863 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__methaneQuery_#t~ret54, processEnvironment__wrappee__methaneQuery_~tmp~7;havoc processEnvironment__wrappee__methaneQuery_~tmp~7; 972#L837-1 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret53, processEnvironment__wrappee__highWaterSensor_~tmp~6;havoc processEnvironment__wrappee__highWaterSensor_~tmp~6; 1010#L811-3 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret74, isHighWaterLevel_~retValue_acc~12, isHighWaterLevel_~tmp~10, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~12;havoc isHighWaterLevel_~tmp~10;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~8;havoc isHighWaterSensorDry_~retValue_acc~8; 967#L750-3 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~8; 968#L755-3 isHighWaterLevel_#t~ret74 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~10 := isHighWaterLevel_#t~ret74;havoc isHighWaterLevel_#t~ret74; 986#L982-9 assume 0 != isHighWaterLevel_~tmp~10;isHighWaterLevel_~tmp___0~2 := 0; 1076#L982-11 isHighWaterLevel_~retValue_acc~12 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~12; 1048#L988-3 processEnvironment__wrappee__highWaterSensor_#t~ret53 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~6 := processEnvironment__wrappee__highWaterSensor_#t~ret53;havoc processEnvironment__wrappee__highWaterSensor_#t~ret53; 1021#L815-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~6); 918#L786 havoc __utac_acc__Specification2_spec__2_#t~ret0, __utac_acc__Specification2_spec__2_#t~ret1, __utac_acc__Specification2_spec__2_~tmp~0, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~0;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~6;havoc isMethaneLevelCritical_~retValue_acc~6;isMethaneLevelCritical_~retValue_acc~6 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~6; 939#L710-5 __utac_acc__Specification2_spec__2_#t~ret0 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~0 := __utac_acc__Specification2_spec__2_#t~ret0;havoc __utac_acc__Specification2_spec__2_#t~ret0; 1057#L60 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~0);~methAndRunningLastTime~0 := 0; 943#L60-1 [2019-11-15 22:31:22,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:22,463 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2019-11-15 22:31:22,463 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:22,463 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241072724] [2019-11-15 22:31:22,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,463 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,464 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,745 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:22,745 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:22,745 INFO L82 PathProgramCache]: Analyzing trace with hash -2082517261, now seen corresponding path program 1 times [2019-11-15 22:31:22,746 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:22,746 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685525127] [2019-11-15 22:31:22,746 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,746 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,746 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:22,762 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:22,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:31:22,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1345265593, now seen corresponding path program 1 times [2019-11-15 22:31:22,763 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:31:22,763 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1985123699] [2019-11-15 22:31:22,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,764 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:31:22,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:31:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:31:23,107 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:31:23,268 WARN L191 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-15 22:31:49,738 WARN L191 SmtUtils]: Spent 26.38 s on a formula simplification. DAG size of input: 455 DAG size of output: 453 [2019-11-15 22:32:03,360 WARN L191 SmtUtils]: Spent 13.61 s on a formula simplification that was a NOOP. DAG size: 451 [2019-11-15 22:32:03,450 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:32:03 BoogieIcfgContainer [2019-11-15 22:32:03,455 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:32:03,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:32:03,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:32:03,458 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:32:03,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:31:19" (3/4) ... [2019-11-15 22:32:03,461 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2019-11-15 22:32:03,550 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_4ab5feaa-7aa5-4f08-bd9a-eea2bb38b51f/bin/uautomizer/witness.graphml [2019-11-15 22:32:03,550 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:32:03,552 INFO L168 Benchmark]: Toolchain (without parser) took 45695.79 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 379.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -252.4 MB). Peak memory consumption was 127.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,552 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:32:03,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -217.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,554 INFO L168 Benchmark]: Boogie Preprocessor took 132.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,554 INFO L168 Benchmark]: RCFGBuilder took 1214.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,555 INFO L168 Benchmark]: BuchiAutomizer took 43521.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.6 MB). Peak memory consumption was 342.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,555 INFO L168 Benchmark]: Witness Printer took 94.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2019-11-15 22:32:03,558 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 623.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 185.6 MB). Free memory was 946.1 MB in the beginning and 1.2 GB in the end (delta: -217.0 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 132.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1214.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 90.9 MB). Peak memory consumption was 90.9 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 43521.01 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 194.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -152.6 MB). Peak memory consumption was 342.7 MB. Max. memory is 11.5 GB. * Witness Printer took 94.27 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 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 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 218 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 43.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 42.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 219 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 553 SDtfs, 1155 SDslu, 83 SDs, 0 SdLazy, 50 SolverSat, 36 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 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: 607]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=0} State at position 1 is {NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=-22, NULL=-21, NULL=0, NULL=0, NULL=-13, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7040bc3b=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e213764=0, NULL=0, NULL=0, tmp=0, NULL=-5, NULL=0, tmp___1=0, NULL=-3, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2f76a49a=0, cleanupTimeShifts=4, NULL=-6, NULL=-1, NULL=-24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@799307ba=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@595177df=0, NULL=-14, tmp=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26338c58=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@71e13d17=54, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@6c2b4029=0, NULL=0, systemActive=1, waterLevel=1, NULL=-20, NULL=0, NULL=0, retValue_acc=0, \result=0, NULL=-16, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, retValue_acc=1, \result=0, NULL=-10, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@249b24b0=0, NULL=-4, tmp=1, NULL=0, NULL=0, NULL=0, NULL=-2, retValue_acc=1, \result=1, NULL=-11, tmp___0=0, NULL=-19, NULL=-18, NULL=-12, NULL=0, retValue_acc=0, NULL=0, tmp___2=54, NULL=-8, tmp___0=0, NULL=-7, tmp=1, splverifierCounter=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@41f73152=0, methAndRunningLastTime=0, \result=0, NULL=-25, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@20b0a9e=0, NULL=-17, head=0, NULL=0, NULL=-23, NULL=0, NULL=-9, tmp=0, tmp=0, NULL=0, NULL=0, NULL=0, tmp=0, NULL=-15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L43] int methAndRunningLastTime ; [L82] int cleanupTimeShifts = 4; [L356] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L667] int waterLevel = 1; [L668] int methaneLevelCritical = 0; [L772] int pumpRunning = 0; [L773] int systemActive = 1; [L164] int retValue_acc ; [L165] int tmp ; [L588] int retValue_acc ; [L591] retValue_acc = 1 [L592] return (retValue_acc); [L171] tmp = valid_product() [L173] COND TRUE \read(tmp) [L48] methAndRunningLastTime = 0 [L598] int splverifierCounter ; [L599] int tmp ; [L600] int tmp___0 ; [L601] int tmp___1 ; [L602] int tmp___2 ; [L605] splverifierCounter = 0 Loop: [L607] COND TRUE 1 [L609] COND TRUE splverifierCounter < 4 [L615] tmp = __VERIFIER_nondet_int() [L617] COND FALSE !(\read(tmp)) [L625] tmp___0 = __VERIFIER_nondet_int() [L627] COND FALSE !(\read(tmp___0)) [L635] tmp___2 = __VERIFIER_nondet_int() [L637] COND TRUE \read(tmp___2) [L779] COND FALSE !(\read(pumpRunning)) [L786] COND TRUE \read(systemActive) [L860] int tmp ; [L863] COND FALSE !(\read(pumpRunning)) [L834] int tmp ; [L837] COND FALSE !(\read(pumpRunning)) [L808] int tmp ; [L811] COND TRUE ! pumpRunning [L974] int retValue_acc ; [L975] int tmp ; [L976] int tmp___0 ; [L747] int retValue_acc ; [L750] COND TRUE waterLevel < 2 [L751] retValue_acc = 1 [L752] return (retValue_acc); [L980] tmp = isHighWaterSensorDry() [L982] COND TRUE \read(tmp) [L983] tmp___0 = 0 [L987] retValue_acc = tmp___0 [L988] return (retValue_acc); [L813] tmp = isHighWaterLevel() [L815] COND FALSE !(\read(tmp)) [L53] int tmp ; [L54] int tmp___0 ; [L706] int retValue_acc ; [L709] retValue_acc = methaneLevelCritical [L710] return (retValue_acc); [L58] tmp = isMethaneLevelCritical() [L60] COND FALSE !(\read(tmp)) [L76] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...