./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_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_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc .......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:29:57,744 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:29:57,745 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:29:57,752 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:29:57,752 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:29:57,753 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:29:57,753 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:29:57,754 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:29:57,755 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:29:57,756 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:29:57,757 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:29:57,757 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:29:57,757 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:29:57,758 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:29:57,759 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:29:57,759 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:29:57,760 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:29:57,761 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:29:57,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:29:57,763 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:29:57,764 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:29:57,765 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:29:57,767 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:29:57,767 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:29:57,767 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:29:57,768 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:29:57,768 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:29:57,769 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:29:57,769 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:29:57,770 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:29:57,770 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:29:57,771 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:29:57,771 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:29:57,771 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:29:57,772 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:29:57,772 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:29:57,772 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:29:57,783 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:29:57,783 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:29:57,784 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:29:57,784 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:29:57,785 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:29:57,785 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:29:57,786 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:29:57,786 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:29:57,787 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:29:57,788 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:29:57,788 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:29:57,788 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:29:57,788 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:29:57,788 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:29:57,788 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:29:57,789 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:29:57,789 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_3de275b2-743c-46dc-883d-573b360d02b2/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-11-28 11:29:57,813 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:29:57,822 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:29:57,824 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:29:57,826 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:29:57,826 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:29:57,826 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-28 11:29:57,870 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/data/8e79e70c9/3bbff9b649c740ceb2ae122cfa0cacfa/FLAG7464ed14f [2018-11-28 11:29:58,296 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:29:58,296 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-28 11:29:58,303 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/data/8e79e70c9/3bbff9b649c740ceb2ae122cfa0cacfa/FLAG7464ed14f [2018-11-28 11:29:58,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/data/8e79e70c9/3bbff9b649c740ceb2ae122cfa0cacfa [2018-11-28 11:29:58,316 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:29:58,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:29:58,318 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:29:58,318 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:29:58,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:29:58,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5adb3118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58, skipping insertion in model container [2018-11-28 11:29:58,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:29:58,353 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:29:58,536 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:29:58,591 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:29:58,647 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:29:58,669 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:29:58,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58 WrapperNode [2018-11-28 11:29:58,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:29:58,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:29:58,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:29:58,670 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:29:58,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,684 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:29:58,706 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:29:58,706 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:29:58,706 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:29:58,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,722 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,729 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,731 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... [2018-11-28 11:29:58,734 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:29:58,734 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:29:58,734 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:29:58,734 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:29:58,735 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/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 11:29:58,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:29:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:29:58,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:29:58,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:29:59,272 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:29:59,272 INFO L280 CfgBuilder]: Removed 162 assue(true) statements. [2018-11-28 11:29:59,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:29:59 BoogieIcfgContainer [2018-11-28 11:29:59,272 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:29:59,273 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:29:59,273 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:29:59,275 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:29:59,275 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:29:59,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:29:58" (1/3) ... [2018-11-28 11:29:59,276 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a9ef50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:29:59, skipping insertion in model container [2018-11-28 11:29:59,276 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:29:59,276 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:29:58" (2/3) ... [2018-11-28 11:29:59,277 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4a9ef50e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:29:59, skipping insertion in model container [2018-11-28 11:29:59,277 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:29:59,277 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:29:59" (3/3) ... [2018-11-28 11:29:59,278 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-11-28 11:29:59,320 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:29:59,320 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:29:59,321 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:29:59,321 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:29:59,321 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:29:59,321 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:29:59,321 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:29:59,321 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:29:59,321 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:29:59,333 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-28 11:29:59,352 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-28 11:29:59,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:29:59,352 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:29:59,357 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,357 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,358 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:29:59,358 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states. [2018-11-28 11:29:59,362 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 73 [2018-11-28 11:29:59,362 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:29:59,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:29:59,363 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,363 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,367 INFO L794 eck$LassoCheckResult]: Stem: 89#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 5#L-1true havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 102#L580true havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 4#L588true main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 84#L231true assume 0 != main_~tmp~0; 37#L202true ~methAndRunningLastTime~0 := 0; 86#L253true havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 85#L264-1true [2018-11-28 11:29:59,367 INFO L796 eck$LassoCheckResult]: Loop: 85#L264-1true assume !false; 6#L307true assume test_~splverifierCounter~0 < 4; 88#L308true test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 97#L316true assume !(0 != test_~tmp~2); 99#L316-1true test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 21#L326true assume !(0 != test_~tmp___0~1); 23#L326-1true test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 77#L336true assume 0 != test_~tmp___2~0; 57#L342-1true assume !(0 != ~pumpRunning~0); 60#L372true assume !(0 != ~systemActive~0); 113#L379true havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 116#L90-1true __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 87#L264true assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 85#L264-1true [2018-11-28 11:29:59,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:59,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 1 times [2018-11-28 11:29:59,374 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:29:59,374 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:29:59,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:29:59,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:59,523 INFO L82 PathProgramCache]: Analyzing trace with hash 12881107, now seen corresponding path program 1 times [2018-11-28 11:29:59,523 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:29:59,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:29:59,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:29:59,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash 846177613, now seen corresponding path program 1 times [2018-11-28 11:29:59,536 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:29:59,536 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:29:59,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:29:59,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:29:59,640 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 11:29:59,642 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:29:59,642 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:29:59,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:29:59,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:29:59,734 INFO L87 Difference]: Start difference. First operand 114 states. Second operand 6 states. [2018-11-28 11:29:59,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:29:59,848 INFO L93 Difference]: Finished difference Result 274 states and 397 transitions. [2018-11-28 11:29:59,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:29:59,850 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 274 states and 397 transitions. [2018-11-28 11:29:59,856 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 175 [2018-11-28 11:29:59,862 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 274 states to 253 states and 376 transitions. [2018-11-28 11:29:59,863 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 253 [2018-11-28 11:29:59,864 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 253 [2018-11-28 11:29:59,865 INFO L73 IsDeterministic]: Start isDeterministic. Operand 253 states and 376 transitions. [2018-11-28 11:29:59,866 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:29:59,867 INFO L705 BuchiCegarLoop]: Abstraction has 253 states and 376 transitions. [2018-11-28 11:29:59,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states and 376 transitions. [2018-11-28 11:29:59,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 151. [2018-11-28 11:29:59,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-28 11:29:59,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 223 transitions. [2018-11-28 11:29:59,895 INFO L728 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2018-11-28 11:29:59,895 INFO L608 BuchiCegarLoop]: Abstraction has 151 states and 223 transitions. [2018-11-28 11:29:59,895 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:29:59,896 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 151 states and 223 transitions. [2018-11-28 11:29:59,898 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 104 [2018-11-28 11:29:59,898 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:29:59,898 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:29:59,899 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,899 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:29:59,899 INFO L794 eck$LassoCheckResult]: Stem: 506#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 410#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 411#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 408#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 409#L231 assume 0 != main_~tmp~0; 464#L202 ~methAndRunningLastTime~0 := 0; 465#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 468#L264-1 [2018-11-28 11:29:59,900 INFO L796 eck$LassoCheckResult]: Loop: 468#L264-1 assume !false; 412#L307 assume test_~splverifierCounter~0 < 4; 413#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 505#L316 assume !(0 != test_~tmp~2); 415#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 440#L326 assume !(0 != test_~tmp___0~1); 442#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 443#L336 assume 0 != test_~tmp___2~0; 487#L342-1 assume !(0 != ~pumpRunning~0); 490#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 474#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 476#L404-1 assume !(0 == ~pumpRunning~0); 479#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 513#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 504#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 468#L264-1 [2018-11-28 11:29:59,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:59,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 2 times [2018-11-28 11:29:59,900 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:29:59,900 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:29:59,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:29:59,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:29:59,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:29:59,948 INFO L82 PathProgramCache]: Analyzing trace with hash 1348521866, now seen corresponding path program 1 times [2018-11-28 11:29:59,948 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:29:59,948 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:29:59,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,949 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:29:59,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:29:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:29:59,963 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 11:29:59,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:29:59,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:29:59,963 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-28 11:29:59,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:29:59,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:29:59,964 INFO L87 Difference]: Start difference. First operand 151 states and 223 transitions. cyclomatic complexity: 75 Second operand 3 states. [2018-11-28 11:30:00,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:30:00,042 INFO L93 Difference]: Finished difference Result 193 states and 269 transitions. [2018-11-28 11:30:00,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:30:00,044 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 193 states and 269 transitions. [2018-11-28 11:30:00,046 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-11-28 11:30:00,047 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 193 states to 193 states and 269 transitions. [2018-11-28 11:30:00,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 193 [2018-11-28 11:30:00,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 193 [2018-11-28 11:30:00,048 INFO L73 IsDeterministic]: Start isDeterministic. Operand 193 states and 269 transitions. [2018-11-28 11:30:00,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:30:00,050 INFO L705 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2018-11-28 11:30:00,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states and 269 transitions. [2018-11-28 11:30:00,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-11-28 11:30:00,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-11-28 11:30:00,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 269 transitions. [2018-11-28 11:30:00,058 INFO L728 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2018-11-28 11:30:00,058 INFO L608 BuchiCegarLoop]: Abstraction has 193 states and 269 transitions. [2018-11-28 11:30:00,058 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:30:00,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 193 states and 269 transitions. [2018-11-28 11:30:00,060 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136 [2018-11-28 11:30:00,060 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:30:00,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:30:00,061 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:30:00,061 INFO L867 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] [2018-11-28 11:30:00,061 INFO L794 eck$LassoCheckResult]: Stem: 863#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string3.base, #t~string3.offset, 1);call write~init~int(77, #t~string3.base, 1 + #t~string3.offset, 1);call write~init~int(101, #t~string3.base, 2 + #t~string3.offset, 1);call write~init~int(116, #t~string3.base, 3 + #t~string3.offset, 1);call write~init~int(104, #t~string3.base, 4 + #t~string3.offset, 1);call write~init~int(58, #t~string3.base, 5 + #t~string3.offset, 1);call write~init~int(0, #t~string3.base, 6 + #t~string3.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string5.base, #t~string5.offset, 1);call write~init~int(82, #t~string5.base, 1 + #t~string5.offset, 1);call write~init~int(73, #t~string5.base, 2 + #t~string5.offset, 1);call write~init~int(84, #t~string5.base, 3 + #t~string5.offset, 1);call write~init~int(0, #t~string5.base, 4 + #t~string5.offset, 1);call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string7.base, #t~string7.offset, 1);call write~init~int(75, #t~string7.base, 1 + #t~string7.offset, 1);call write~init~int(0, #t~string7.base, 2 + #t~string7.offset, 1);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string9.base, #t~string9.offset, 1);call write~init~int(0, #t~string9.base, 1 + #t~string9.offset, 1);~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string23.base, #t~string23.offset, 1);call write~init~int(110, #t~string23.base, 1 + #t~string23.offset, 1);call write~init~int(0, #t~string23.base, 2 + #t~string23.offset, 1);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string25.base, #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 1 + #t~string25.offset, 1);call write~init~int(102, #t~string25.base, 2 + #t~string25.offset, 1);call write~init~int(0, #t~string25.base, 3 + #t~string25.offset, 1);call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string27.base, #t~string27.offset, 1);call write~init~int(80, #t~string27.base, 1 + #t~string27.offset, 1);call write~init~int(117, #t~string27.base, 2 + #t~string27.offset, 1);call write~init~int(109, #t~string27.base, 3 + #t~string27.offset, 1);call write~init~int(112, #t~string27.base, 4 + #t~string27.offset, 1);call write~init~int(58, #t~string27.base, 5 + #t~string27.offset, 1);call write~init~int(0, #t~string27.base, 6 + #t~string27.offset, 1);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string29.base, #t~string29.offset, 1);call write~init~int(110, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 2 + #t~string29.offset, 1);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string31.base, #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 1 + #t~string31.offset, 1);call write~init~int(102, #t~string31.base, 2 + #t~string31.offset, 1);call write~init~int(0, #t~string31.base, 3 + #t~string31.offset, 1);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string33.base, #t~string33.offset, 1);call write~init~int(32, #t~string33.base, 1 + #t~string33.offset, 1);call write~init~int(0, #t~string33.base, 2 + #t~string33.offset, 1);call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string35.base, #t~string35.offset, 1);call write~init~int(0, #t~string35.base, 1 + #t~string35.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25); 760#L-1 havoc main_#res;havoc main_#t~ret10, main_~retValue_acc~3, main_~tmp~0;havoc main_~retValue_acc~3;havoc main_~tmp~0; 761#L580 havoc valid_product_#res;havoc valid_product_~retValue_acc~8;havoc valid_product_~retValue_acc~8;valid_product_~retValue_acc~8 := 1;valid_product_#res := valid_product_~retValue_acc~8; 758#L588 main_#t~ret10 := valid_product_#res;main_~tmp~0 := main_#t~ret10;havoc main_#t~ret10; 759#L231 assume 0 != main_~tmp~0; 815#L202 ~methAndRunningLastTime~0 := 0; 816#L253 havoc test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_#t~nondet16, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 820#L264-1 [2018-11-28 11:30:00,062 INFO L796 eck$LassoCheckResult]: Loop: 820#L264-1 assume !false; 762#L307 assume test_~splverifierCounter~0 < 4; 763#L308 test_~tmp~2 := test_#t~nondet13;havoc test_#t~nondet13; 862#L316 assume !(0 != test_~tmp~2); 922#L316-1 test_~tmp___0~1 := test_#t~nondet14;havoc test_#t~nondet14; 921#L326 assume !(0 != test_~tmp___0~1); 919#L326-1 test_~tmp___2~0 := test_#t~nondet15;havoc test_#t~nondet15; 917#L336 assume 0 != test_~tmp___2~0; 916#L342-1 assume !(0 != ~pumpRunning~0); 842#L372 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret18, processEnvironment_~tmp~4;havoc processEnvironment_~tmp~4; 826#L430 assume !(0 != ~pumpRunning~0);havoc processEnvironment__wrappee__highWaterSensor_#t~ret17, processEnvironment__wrappee__highWaterSensor_~tmp~3;havoc processEnvironment__wrappee__highWaterSensor_~tmp~3; 827#L404-1 assume 0 == ~pumpRunning~0;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 849#L130-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 850#L135-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 822#L532-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 823#L532-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 768#L538-1 processEnvironment__wrappee__highWaterSensor_#t~ret17 := isHighWaterLevel_#res;processEnvironment__wrappee__highWaterSensor_~tmp~3 := processEnvironment__wrappee__highWaterSensor_#t~ret17;havoc processEnvironment__wrappee__highWaterSensor_#t~ret17; 769#L408-1 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~3); 831#L379 havoc __utac_acc__Specification2_spec__2_#t~ret11, __utac_acc__Specification2_spec__2_#t~ret12, __utac_acc__Specification2_spec__2_~tmp~1, __utac_acc__Specification2_spec__2_~tmp___0~0;havoc __utac_acc__Specification2_spec__2_~tmp~1;havoc __utac_acc__Specification2_spec__2_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 874#L90-1 __utac_acc__Specification2_spec__2_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification2_spec__2_~tmp~1 := __utac_acc__Specification2_spec__2_#t~ret11;havoc __utac_acc__Specification2_spec__2_#t~ret11; 860#L264 assume !(0 != __utac_acc__Specification2_spec__2_~tmp~1);~methAndRunningLastTime~0 := 0; 820#L264-1 [2018-11-28 11:30:00,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:30:00,062 INFO L82 PathProgramCache]: Analyzing trace with hash 1804904775, now seen corresponding path program 3 times [2018-11-28 11:30:00,062 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:30:00,062 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:30:00,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:30:00,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:00,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:30:00,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1406211850, now seen corresponding path program 1 times [2018-11-28 11:30:00,098 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:30:00,098 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:30:00,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,098 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:30:00,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:00,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:30:00,110 INFO L82 PathProgramCache]: Analyzing trace with hash 366929776, now seen corresponding path program 1 times [2018-11-28 11:30:00,110 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:30:00,110 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:30:00,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:30:00,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:30:00,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:00,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:30:05,500 WARN L180 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 429 DAG size of output: 427 [2018-11-28 11:30:08,092 WARN L180 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 425 [2018-11-28 11:30:08,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:30:08 BoogieIcfgContainer [2018-11-28 11:30:08,129 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:30:08,130 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:30:08,130 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:30:08,130 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:30:08,131 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:29:59" (3/4) ... [2018-11-28 11:30:08,133 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:30:08,170 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3de275b2-743c-46dc-883d-573b360d02b2/bin-2019/uautomizer/witness.graphml [2018-11-28 11:30:08,170 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:30:08,171 INFO L168 Benchmark]: Toolchain (without parser) took 9854.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 950.6 MB in the beginning and 850.1 MB in the end (delta: 100.5 MB). Peak memory consumption was 258.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:08,172 INFO L168 Benchmark]: CDTParser took 0.15 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 11:30:08,172 INFO L168 Benchmark]: CACSL2BoogieTranslator took 351.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:08,173 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.37 ms. Allocated memory is still 1.1 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 11:30:08,173 INFO L168 Benchmark]: Boogie Preprocessor took 27.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:30:08,173 INFO L168 Benchmark]: RCFGBuilder took 538.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:08,173 INFO L168 Benchmark]: BuchiAutomizer took 8856.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 856.3 MB in the end (delta: 166.1 MB). Peak memory consumption was 245.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:08,174 INFO L168 Benchmark]: Witness Printer took 40.56 ms. Allocated memory is still 1.2 GB. Free memory was 856.3 MB in the beginning and 850.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-11-28 11:30:08,176 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 351.57 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.9 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -138.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 36.37 ms. Allocated memory is still 1.1 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 27.80 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 538.46 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 61.0 MB). Peak memory consumption was 61.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 8856.83 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 856.3 MB in the end (delta: 166.1 MB). Peak memory consumption was 245.0 MB. Max. memory is 11.5 GB. * Witness Printer took 40.56 ms. Allocated memory is still 1.2 GB. Free memory was 856.3 MB in the beginning and 850.1 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 193 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 102 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 193 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 319 SDtfs, 740 SDslu, 800 SDs, 0 SdLazy, 73 SolverSat, 32 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: 306]: 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, retValue_acc=0, NULL=43, retValue_acc=0, NULL=29, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@699c2df3=0, NULL=23, methaneLevelCritical=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3222e93=0, tmp___0=0, tmp=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2de3611=0, NULL=0, NULL=0, NULL=40, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7dfbfa15=0, NULL=28, NULL=0, tmp___1=0, NULL=36, retValue_acc=0, NULL=45, tmp=0, cleanupTimeShifts=4, NULL=24, NULL=38, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, systemActive=1, waterLevel=1, NULL=18, NULL=37, \result=0, NULL=27, NULL=0, NULL=0, NULL=0, \result=1, head=0, pumpRunning=0, tmp=1, NULL=33, \result=0, NULL=35, NULL=22, retValue_acc=1, NULL=0, NULL=0, NULL=0, NULL=15, \result=1, tmp___0=0, NULL=39, NULL=26, retValue_acc=1, NULL=19, tmp___2=56, tmp=1, tmp___0=0, splverifierCounter=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, methAndRunningLastTime=0, \result=0, NULL=34, NULL=16, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d3f6221=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a261103=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@56696e39=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7eddb9d0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2ff583d0=0, NULL=17, head=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@33bde446=0, NULL=20, NULL=31, NULL=0, tmp=0, NULL=42} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L47] int waterLevel = 1; [L48] int methaneLevelCritical = 0; [L141] int cleanupTimeShifts = 4; [L247] int methAndRunningLastTime ; [L365] int pumpRunning = 0; [L366] int systemActive = 1; [L762] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L222] int retValue_acc ; [L223] int tmp ; [L584] int retValue_acc ; [L587] retValue_acc = 1 [L588] return (retValue_acc); [L229] tmp = valid_product() [L231] COND TRUE \read(tmp) [L252] methAndRunningLastTime = 0 [L297] int splverifierCounter ; [L298] int tmp ; [L299] int tmp___0 ; [L300] int tmp___1 ; [L301] int tmp___2 ; [L304] splverifierCounter = 0 Loop: [L306] COND TRUE 1 [L308] COND TRUE splverifierCounter < 4 [L314] tmp = __VERIFIER_nondet_int() [L316] COND FALSE !(\read(tmp)) [L324] tmp___0 = __VERIFIER_nondet_int() [L326] COND FALSE !(\read(tmp___0)) [L334] tmp___2 = __VERIFIER_nondet_int() [L336] COND TRUE \read(tmp___2) [L372] COND FALSE !(\read(pumpRunning)) [L379] COND TRUE \read(systemActive) [L427] int tmp ; [L430] COND FALSE !(\read(pumpRunning)) [L401] int tmp ; [L404] COND TRUE ! pumpRunning [L524] int retValue_acc ; [L525] int tmp ; [L526] int tmp___0 ; [L127] int retValue_acc ; [L130] COND TRUE waterLevel < 2 [L131] retValue_acc = 1 [L132] return (retValue_acc); [L530] tmp = isHighWaterSensorDry() [L532] COND TRUE \read(tmp) [L533] tmp___0 = 0 [L537] retValue_acc = tmp___0 [L538] return (retValue_acc); [L406] tmp = isHighWaterLevel() [L408] COND FALSE !(\read(tmp)) [L257] int tmp ; [L258] int tmp___0 ; [L86] int retValue_acc ; [L89] retValue_acc = methaneLevelCritical [L90] return (retValue_acc); [L262] tmp = isMethaneLevelCritical() [L264] COND FALSE !(\read(tmp)) [L280] methAndRunningLastTime = 0 End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...