./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/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 17a573274f1db5e4aeb22956c61c459b952d0c5d ........................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-0cd3be1 [2018-11-28 13:11:36,706 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 13:11:36,707 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 13:11:36,713 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 13:11:36,714 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 13:11:36,714 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 13:11:36,715 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 13:11:36,717 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 13:11:36,718 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 13:11:36,719 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 13:11:36,719 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 13:11:36,720 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 13:11:36,720 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 13:11:36,721 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 13:11:36,721 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 13:11:36,722 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 13:11:36,722 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 13:11:36,723 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 13:11:36,724 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 13:11:36,725 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 13:11:36,726 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 13:11:36,727 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 13:11:36,728 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 13:11:36,728 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 13:11:36,729 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 13:11:36,729 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 13:11:36,730 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 13:11:36,730 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 13:11:36,730 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 13:11:36,731 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 13:11:36,731 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 13:11:36,732 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 13:11:36,732 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 13:11:36,732 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 13:11:36,734 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 13:11:36,734 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 13:11:36,735 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 13:11:36,745 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 13:11:36,745 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 13:11:36,746 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 13:11:36,747 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 13:11:36,747 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 13:11:36,748 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 13:11:36,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 13:11:36,748 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 13:11:36,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 13:11:36,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 13:11:36,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 13:11:36,750 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 13:11:36,751 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 13:11:36,751 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 13:11:36,751 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 13:11:36,751 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 13:11:36,751 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 13:11:36,751 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 13:11:36,751 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 13:11:36,752 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 13:11:36,752 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 13:11:36,752 INFO L133 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/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/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 -> 17a573274f1db5e4aeb22956c61c459b952d0c5d [2018-11-28 13:11:36,776 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 13:11:36,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 13:11:36,787 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 13:11:36,788 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 13:11:36,788 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 13:11:36,789 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-28 13:11:36,834 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/data/ca44f88f5/233e2e3403094939a52bee1f004998c8/FLAG0731ae56d [2018-11-28 13:11:37,291 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 13:11:37,291 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/sv-benchmarks/c/product-lines/minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-28 13:11:37,298 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/data/ca44f88f5/233e2e3403094939a52bee1f004998c8/FLAG0731ae56d [2018-11-28 13:11:37,808 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/data/ca44f88f5/233e2e3403094939a52bee1f004998c8 [2018-11-28 13:11:37,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 13:11:37,811 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 13:11:37,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 13:11:37,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 13:11:37,814 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 13:11:37,814 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:11:37" (1/1) ... [2018-11-28 13:11:37,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43d47415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:37, skipping insertion in model container [2018-11-28 13:11:37,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 01:11:37" (1/1) ... [2018-11-28 13:11:37,821 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 13:11:37,848 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 13:11:38,035 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:11:38,097 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 13:11:38,146 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 13:11:38,164 INFO L195 MainTranslator]: Completed translation [2018-11-28 13:11:38,165 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38 WrapperNode [2018-11-28 13:11:38,165 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 13:11:38,165 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 13:11:38,165 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 13:11:38,166 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 13:11:38,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,201 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 13:11:38,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 13:11:38,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 13:11:38,201 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 13:11:38,207 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,208 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,215 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,220 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,221 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... [2018-11-28 13:11:38,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 13:11:38,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 13:11:38,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 13:11:38,224 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 13:11:38,224 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/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 [2018-11-28 13:11:38,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 13:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 13:11:38,259 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 13:11:38,259 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 13:11:38,714 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 13:11:38,715 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-11-28 13:11:38,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:38 BoogieIcfgContainer [2018-11-28 13:11:38,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 13:11:38,715 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 13:11:38,715 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 13:11:38,718 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 13:11:38,718 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:38,719 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 01:11:37" (1/3) ... [2018-11-28 13:11:38,719 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f05b9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:11:38, skipping insertion in model container [2018-11-28 13:11:38,720 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:38,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 01:11:38" (2/3) ... [2018-11-28 13:11:38,720 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4f05b9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 01:11:38, skipping insertion in model container [2018-11-28 13:11:38,720 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 13:11:38,720 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:38" (3/3) ... [2018-11-28 13:11:38,722 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product24_true-unreach-call_false-termination.cil.c [2018-11-28 13:11:38,756 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 13:11:38,757 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 13:11:38,757 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 13:11:38,757 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 13:11:38,757 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 13:11:38,757 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 13:11:38,757 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 13:11:38,757 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 13:11:38,758 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 13:11:38,770 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 13:11:38,791 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 13:11:38,791 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:11:38,791 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:11:38,799 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:11:38,799 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:11:38,799 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 13:11:38,799 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 104 states. [2018-11-28 13:11:38,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 67 [2018-11-28 13:11:38,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:11:38,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:11:38,805 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:11:38,805 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:11:38,808 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 11#L-1true havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5; 30#L937true havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 38#L945true main_#t~ret51 := valid_product_#res;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 18#L698true assume 0 != main_~tmp~5; 60#L672true havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 88#L512-1true [2018-11-28 13:11:38,809 INFO L796 eck$LassoCheckResult]: Loop: 88#L512-1true assume !false; 48#L554true assume test_~splverifierCounter~0 < 4; 10#L555true test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 12#L563true assume !(0 != test_~tmp~4); 13#L563-1true test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 53#L573true assume !(0 != test_~tmp___0~1); 54#L573-1true test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 97#L583true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 99#L591-1true assume !(0 != ~pumpRunning~0); 90#L721true assume !(0 != ~systemActive~0); 24#L728true havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 102#L456-1true __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 83#L512true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 88#L512-1true [2018-11-28 13:11:38,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:38,812 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 13:11:38,814 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:38,814 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:38,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:38,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:38,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:38,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:38,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:38,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:38,977 INFO L82 PathProgramCache]: Analyzing trace with hash -1670755444, now seen corresponding path program 1 times [2018-11-28 13:11:38,977 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:38,978 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:38,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:38,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:38,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:38,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 13:11:39,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 13:11:39,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 13:11:39,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 13:11:39,020 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 13:11:39,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 13:11:39,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 13:11:39,032 INFO L87 Difference]: Start difference. First operand 104 states. Second operand 3 states. [2018-11-28 13:11:39,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 13:11:39,090 INFO L93 Difference]: Finished difference Result 202 states and 288 transitions. [2018-11-28 13:11:39,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 13:11:39,092 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 202 states and 288 transitions. [2018-11-28 13:11:39,097 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 130 [2018-11-28 13:11:39,102 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 202 states to 188 states and 273 transitions. [2018-11-28 13:11:39,103 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 188 [2018-11-28 13:11:39,104 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 188 [2018-11-28 13:11:39,105 INFO L73 IsDeterministic]: Start isDeterministic. Operand 188 states and 273 transitions. [2018-11-28 13:11:39,105 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 13:11:39,105 INFO L705 BuchiCegarLoop]: Abstraction has 188 states and 273 transitions. [2018-11-28 13:11:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states and 273 transitions. [2018-11-28 13:11:39,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 186. [2018-11-28 13:11:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-11-28 13:11:39,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 270 transitions. [2018-11-28 13:11:39,138 INFO L728 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-11-28 13:11:39,138 INFO L608 BuchiCegarLoop]: Abstraction has 186 states and 270 transitions. [2018-11-28 13:11:39,138 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 13:11:39,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 186 states and 270 transitions. [2018-11-28 13:11:39,140 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 128 [2018-11-28 13:11:39,140 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 13:11:39,140 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 13:11:39,141 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 13:11:39,141 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 13:11:39,141 INFO L794 eck$LassoCheckResult]: Stem: 426#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~head~0.base, ~head~0.offset := 0, 0;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(30);call #t~string19.base, #t~string19.offset := #Ultimate.alloc(9);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(21);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(30);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(9);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(21);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(30);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(9);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(25);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(30);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(9);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string36.base, #t~string36.offset := #Ultimate.alloc(13);call #t~string38.base, #t~string38.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string38.base, #t~string38.offset, 1);call write~init~int(77, #t~string38.base, 1 + #t~string38.offset, 1);call write~init~int(101, #t~string38.base, 2 + #t~string38.offset, 1);call write~init~int(116, #t~string38.base, 3 + #t~string38.offset, 1);call write~init~int(104, #t~string38.base, 4 + #t~string38.offset, 1);call write~init~int(58, #t~string38.base, 5 + #t~string38.offset, 1);call write~init~int(0, #t~string38.base, 6 + #t~string38.offset, 1);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string40.base, #t~string40.offset, 1);call write~init~int(82, #t~string40.base, 1 + #t~string40.offset, 1);call write~init~int(73, #t~string40.base, 2 + #t~string40.offset, 1);call write~init~int(84, #t~string40.base, 3 + #t~string40.offset, 1);call write~init~int(0, #t~string40.base, 4 + #t~string40.offset, 1);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string42.base, #t~string42.offset, 1);call write~init~int(75, #t~string42.base, 1 + #t~string42.offset, 1);call write~init~int(0, #t~string42.base, 2 + #t~string42.offset, 1);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string44.base, #t~string44.offset, 1);call write~init~int(0, #t~string44.base, 1 + #t~string44.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(13);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string58.base, #t~string58.offset, 1);call write~init~int(110, #t~string58.base, 1 + #t~string58.offset, 1);call write~init~int(0, #t~string58.base, 2 + #t~string58.offset, 1);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string60.base, #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 1 + #t~string60.offset, 1);call write~init~int(102, #t~string60.base, 2 + #t~string60.offset, 1);call write~init~int(0, #t~string60.base, 3 + #t~string60.offset, 1);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string62.base, #t~string62.offset, 1);call write~init~int(80, #t~string62.base, 1 + #t~string62.offset, 1);call write~init~int(117, #t~string62.base, 2 + #t~string62.offset, 1);call write~init~int(109, #t~string62.base, 3 + #t~string62.offset, 1);call write~init~int(112, #t~string62.base, 4 + #t~string62.offset, 1);call write~init~int(58, #t~string62.base, 5 + #t~string62.offset, 1);call write~init~int(0, #t~string62.base, 6 + #t~string62.offset, 1);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string64.base, #t~string64.offset, 1);call write~init~int(110, #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.alloc(4);call write~init~int(79, #t~string66.base, #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(102, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 3 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string68.base, #t~string68.offset, 1);call write~init~int(32, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 330#L-1 havoc main_#res;havoc main_#t~ret51, main_~retValue_acc~6, main_~tmp~5;havoc main_~retValue_acc~6;havoc main_~tmp~5; 331#L937 havoc valid_product_#res;havoc valid_product_~retValue_acc~11;havoc valid_product_~retValue_acc~11;valid_product_~retValue_acc~11 := 1;valid_product_#res := valid_product_~retValue_acc~11; 359#L945 main_#t~ret51 := valid_product_#res;main_~tmp~5 := main_#t~ret51;havoc main_#t~ret51; 342#L698 assume 0 != main_~tmp~5; 343#L672 havoc test_#t~nondet47, test_#t~nondet48, test_#t~nondet49, test_#t~nondet50, test_~splverifierCounter~0, test_~tmp~4, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~4;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 401#L512-1 [2018-11-28 13:11:39,141 INFO L796 eck$LassoCheckResult]: Loop: 401#L512-1 assume !false; 465#L554 assume test_~splverifierCounter~0 < 4; 466#L555 test_~tmp~4 := test_#t~nondet47;havoc test_#t~nondet47; 497#L563 assume !(0 != test_~tmp~4); 495#L563-1 test_~tmp___0~1 := test_#t~nondet48;havoc test_#t~nondet48; 494#L573 assume !(0 != test_~tmp___0~1); 492#L573-1 test_~tmp___2~0 := test_#t~nondet49;havoc test_#t~nondet49; 491#L583 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 432#L591-1 assume !(0 != ~pumpRunning~0); 488#L721 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret53, processEnvironment_~tmp~7;havoc processEnvironment_~tmp~7; 487#L779 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__lowWaterSensor_#t~ret52, processEnvironment__wrappee__lowWaterSensor_~tmp~6;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~6; 472#L753-1 assume !(0 != ~pumpRunning~0); 471#L728 havoc __utac_acc__Specification1_spec__1_#t~ret45, __utac_acc__Specification1_spec__1_#t~ret46, __utac_acc__Specification1_spec__1_~tmp~3, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~3;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~3;havoc isMethaneLevelCritical_~retValue_acc~3;isMethaneLevelCritical_~retValue_acc~3 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~3; 470#L456-1 __utac_acc__Specification1_spec__1_#t~ret45 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~3 := __utac_acc__Specification1_spec__1_#t~ret45;havoc __utac_acc__Specification1_spec__1_#t~ret45; 468#L512 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~3); 401#L512-1 [2018-11-28 13:11:39,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:39,142 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 13:11:39,142 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:39,142 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:39,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:39,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:39,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:39,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:39,193 INFO L82 PathProgramCache]: Analyzing trace with hash -1427585826, now seen corresponding path program 1 times [2018-11-28 13:11:39,193 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:39,193 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,194 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 13:11:39,194 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:39,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 13:11:39,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1021999224, now seen corresponding path program 1 times [2018-11-28 13:11:39,204 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 13:11:39,204 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 13:11:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,205 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 13:11:39,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 13:11:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 13:11:43,879 WARN L180 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 13:11:46,029 WARN L180 SmtUtils]: Spent 2.15 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 13:11:46,066 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 01:11:46 BoogieIcfgContainer [2018-11-28 13:11:46,066 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 13:11:46,066 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 13:11:46,066 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 13:11:46,066 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 13:11:46,067 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 01:11:38" (3/4) ... [2018-11-28 13:11:46,069 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 13:11:46,101 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18016dcf-a21e-4039-b24c-b0bddf553f9e/bin-2019/uautomizer/witness.graphml [2018-11-28 13:11:46,101 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 13:11:46,102 INFO L168 Benchmark]: Toolchain (without parser) took 8290.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.4 MB). Free memory was 950.6 MB in the beginning and 966.9 MB in the end (delta: -16.3 MB). Peak memory consumption was 165.1 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:46,102 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 13:11:46,103 INFO L168 Benchmark]: CACSL2BoogieTranslator took 353.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:46,103 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.74 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. [2018-11-28 13:11:46,103 INFO L168 Benchmark]: Boogie Preprocessor took 22.01 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. [2018-11-28 13:11:46,104 INFO L168 Benchmark]: RCFGBuilder took 491.60 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:46,104 INFO L168 Benchmark]: BuchiAutomizer took 7350.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 86.7 MB). Peak memory consumption was 238.4 MB. Max. memory is 11.5 GB. [2018-11-28 13:11:46,104 INFO L168 Benchmark]: Witness Printer took 34.99 ms. Allocated memory is still 1.2 GB. Free memory was 967.8 MB in the beginning and 966.9 MB in the end (delta: 862.6 kB). Peak memory consumption was 862.6 kB. Max. memory is 11.5 GB. [2018-11-28 13:11:46,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 353.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -171.9 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.74 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. * Boogie Preprocessor took 22.01 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. * RCFGBuilder took 491.60 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7350.38 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 45.6 MB). Free memory was 1.1 GB in the beginning and 967.8 MB in the end (delta: 86.7 MB). Peak memory consumption was 238.4 MB. Max. memory is 11.5 GB. * Witness Printer took 34.99 ms. Allocated memory is still 1.2 GB. Free memory was 967.8 MB in the beginning and 966.9 MB in the end (delta: 862.6 kB). Peak memory consumption was 862.6 kB. 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 186 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. 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 186 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 146 SDtfs, 142 SDslu, 134 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: 553]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ea46589=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3ca63fa9=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@636fa663=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@512ea2ad=0, NULL=0, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@ea2e353=0, NULL=0, NULL=31, NULL=0, NULL=18, NULL=27, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@70b16445=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@72d290c0=0, retValue_acc=1, tmp=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@36edaa57=0, NULL=35, tmp=0, tmp___1=0, NULL=38, NULL=45, NULL=29, tmp___0=0, NULL=16, NULL=42, cleanupTimeShifts=4, NULL=43, NULL=28, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, NULL=0, NULL=39, retValue_acc=0, NULL=36, NULL=34, NULL=0, NULL=0, \result=1, NULL=33, head=0, pumpRunning=0, \result=0, NULL=37, NULL=0, NULL=0, NULL=26, NULL=0, tmp=0, tmp=1, NULL=0, NULL=24, tmp___2=56, NULL=22, tmp___0=0, splverifierCounter=0, \result=0, NULL=17, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@284dc8eb=0, head=0, NULL=0, NULL=15, NULL=23, NULL=0, NULL=40, tmp=0, NULL=0, NULL=0, NULL=19, NULL=20} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L209] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L413] int waterLevel = 1; [L414] int methaneLevelCritical = 0; [L612] int cleanupTimeShifts = 4; [L714] int pumpRunning = 0; [L715] int systemActive = 1; [L689] int retValue_acc ; [L690] int tmp ; [L941] int retValue_acc ; [L944] retValue_acc = 1 [L945] return (retValue_acc); [L696] tmp = valid_product() [L698] COND TRUE \read(tmp) [L544] int splverifierCounter ; [L545] int tmp ; [L546] int tmp___0 ; [L547] int tmp___1 ; [L548] int tmp___2 ; [L551] splverifierCounter = 0 Loop: [L553] COND TRUE 1 [L555] COND TRUE splverifierCounter < 4 [L561] tmp = __VERIFIER_nondet_int() [L563] COND FALSE !(\read(tmp)) [L571] tmp___0 = __VERIFIER_nondet_int() [L573] COND FALSE !(\read(tmp___0)) [L581] tmp___2 = __VERIFIER_nondet_int() [L583] COND TRUE \read(tmp___2) [L910] systemActive = 1 [L721] COND FALSE !(\read(pumpRunning)) [L728] COND TRUE \read(systemActive) [L776] int tmp ; [L779] COND FALSE !(\read(pumpRunning)) [L750] int tmp ; [L753] COND FALSE !(\read(pumpRunning)) [L505] int tmp ; [L506] int tmp___0 ; [L452] int retValue_acc ; [L455] retValue_acc = methaneLevelCritical [L456] return (retValue_acc); [L510] tmp = isMethaneLevelCritical() [L512] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...