./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product15_false-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_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/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 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 ......................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:37:46,910 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:37:46,911 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:37:46,918 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:37:46,919 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:37:46,919 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:37:46,920 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:37:46,921 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:37:46,922 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:37:46,923 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:37:46,923 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:37:46,923 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:37:46,924 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:37:46,925 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:37:46,925 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:37:46,926 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:37:46,927 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:37:46,928 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:37:46,929 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:37:46,930 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:37:46,931 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:37:46,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:37:46,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:37:46,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:37:46,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:37:46,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:37:46,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:37:46,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:37:46,936 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:37:46,937 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:37:46,937 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:37:46,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:37:46,938 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:37:46,938 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:37:46,938 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:37:46,939 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:37:46,939 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 11:37:46,949 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:37:46,949 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:37:46,950 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:37:46,950 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:37:46,951 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 11:37:46,951 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 11:37:46,952 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 11:37:46,952 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 11:37:46,953 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:37:46,953 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:37:46,954 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 11:37:46,954 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:37:46,954 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:37:46,954 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 11:37:46,955 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 11:37:46,955 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_aee14744-eb24-4e8e-ab23-d92ae45b49df/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 -> 89d3e03d13ddf6bdf33773beb0dd234640ee97c8 [2018-11-28 11:37:46,977 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:37:46,985 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:37:46,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:37:46,987 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:37:46,988 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:37:46,988 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 11:37:47,024 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/data/9a5455293/afd153d2e97f46ee9f02535011c74b5c/FLAG8e5a1cb94 [2018-11-28 11:37:47,363 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:37:47,363 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/sv-benchmarks/c/product-lines/minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 11:37:47,373 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/data/9a5455293/afd153d2e97f46ee9f02535011c74b5c/FLAG8e5a1cb94 [2018-11-28 11:37:47,384 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/data/9a5455293/afd153d2e97f46ee9f02535011c74b5c [2018-11-28 11:37:47,386 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:37:47,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:37:47,388 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:47,388 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:37:47,390 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:37:47,390 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,392 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d835ca2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47, skipping insertion in model container [2018-11-28 11:37:47,392 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,396 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:37:47,424 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:37:47,609 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:47,666 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:37:47,713 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:37:47,730 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:37:47,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47 WrapperNode [2018-11-28 11:37:47,731 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:37:47,731 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:47,731 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:37:47,731 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:37:47,736 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:37:47,766 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:37:47,766 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:37:47,766 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:37:47,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,776 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,785 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,787 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... [2018-11-28 11:37:47,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:37:47,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:37:47,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:37:47,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:37:47,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/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 11:37:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:37:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:37:47,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:37:47,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:37:48,313 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:37:48,313 INFO L280 CfgBuilder]: Removed 106 assue(true) statements. [2018-11-28 11:37:48,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:48 BoogieIcfgContainer [2018-11-28 11:37:48,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:37:48,314 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 11:37:48,314 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 11:37:48,317 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 11:37:48,317 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:48,318 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 11:37:47" (1/3) ... [2018-11-28 11:37:48,319 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e89f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:48, skipping insertion in model container [2018-11-28 11:37:48,320 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:48,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:37:47" (2/3) ... [2018-11-28 11:37:48,320 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52e89f06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 11:37:48, skipping insertion in model container [2018-11-28 11:37:48,320 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 11:37:48,320 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:48" (3/3) ... [2018-11-28 11:37:48,322 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product15_false-unreach-call_false-termination.cil.c [2018-11-28 11:37:48,365 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:37:48,366 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 11:37:48,366 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 11:37:48,366 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 11:37:48,366 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:37:48,366 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:37:48,366 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 11:37:48,366 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:37:48,366 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 11:37:48,379 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 11:37:48,396 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 11:37:48,396 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:48,396 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:48,403 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,404 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,404 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 11:37:48,404 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 74 states. [2018-11-28 11:37:48,407 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 47 [2018-11-28 11:37:48,407 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:48,407 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:48,408 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,408 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,412 INFO L794 eck$LassoCheckResult]: Stem: 33#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 10#L-1true havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 41#L897true havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 49#L905true main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 52#L817true assume 0 != main_~tmp~6; 39#L791true havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 56#L847-1true [2018-11-28 11:37:48,412 INFO L796 eck$LassoCheckResult]: Loop: 56#L847-1true assume !false; 57#L229true assume test_~splverifierCounter~0 < 4; 4#L230true test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 36#L238true assume !(0 != test_~tmp~2); 35#L238-1true test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 20#L248true assume !(0 != test_~tmp___0~0); 18#L248-1true test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 71#L258true assume 0 != test_~tmp___2~0; 27#L264-1true assume !(0 != ~pumpRunning~0); 74#L57true assume !(0 != ~systemActive~0); 66#L64true havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 28#L695-1true __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 12#L841true assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 56#L847-1true [2018-11-28 11:37:48,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:48,416 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 11:37:48,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:48,418 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:48,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:48,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:48,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:48,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:48,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1673310530, now seen corresponding path program 1 times [2018-11-28 11:37:48,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:48,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:48,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:48,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:48,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:48,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:48,622 INFO L82 PathProgramCache]: Analyzing trace with hash 40968408, now seen corresponding path program 1 times [2018-11-28 11:37:48,622 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:48,622 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:48,623 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:48,727 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 11:37:48,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:48,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:37:48,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:37:48,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:37:48,784 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 6 states. [2018-11-28 11:37:48,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:48,912 INFO L93 Difference]: Finished difference Result 198 states and 273 transitions. [2018-11-28 11:37:48,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:37:48,913 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 198 states and 273 transitions. [2018-11-28 11:37:48,918 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 125 [2018-11-28 11:37:48,923 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 198 states to 177 states and 252 transitions. [2018-11-28 11:37:48,924 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 177 [2018-11-28 11:37:48,925 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 177 [2018-11-28 11:37:48,926 INFO L73 IsDeterministic]: Start isDeterministic. Operand 177 states and 252 transitions. [2018-11-28 11:37:48,927 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:37:48,927 INFO L705 BuchiCegarLoop]: Abstraction has 177 states and 252 transitions. [2018-11-28 11:37:48,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states and 252 transitions. [2018-11-28 11:37:48,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 114. [2018-11-28 11:37:48,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-28 11:37:48,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 162 transitions. [2018-11-28 11:37:48,953 INFO L728 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-11-28 11:37:48,953 INFO L608 BuchiCegarLoop]: Abstraction has 114 states and 162 transitions. [2018-11-28 11:37:48,953 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 11:37:48,953 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 114 states and 162 transitions. [2018-11-28 11:37:48,955 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 80 [2018-11-28 11:37:48,955 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:48,955 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:48,955 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,956 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:48,956 INFO L794 eck$LassoCheckResult]: Stem: 332#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 302#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 303#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 339#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 349#L817 assume 0 != main_~tmp~6; 337#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 307#L847-1 [2018-11-28 11:37:48,956 INFO L796 eck$LassoCheckResult]: Loop: 307#L847-1 assume !false; 353#L229 assume test_~splverifierCounter~0 < 4; 290#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 291#L238 assume !(0 != test_~tmp~2); 330#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 316#L248 assume !(0 != test_~tmp___0~0); 314#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 315#L258 assume 0 != test_~tmp___2~0; 323#L264-1 assume !(0 != ~pumpRunning~0); 312#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 352#L89 assume !(0 != ~pumpRunning~0); 342#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 324#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 306#L841 assume 0 != __utac_acc__Specification3_spec__1_~tmp~7; 307#L847-1 [2018-11-28 11:37:48,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:48,956 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 11:37:48,957 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:48,957 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:48,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:48,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:49,018 INFO L82 PathProgramCache]: Analyzing trace with hash -353546770, now seen corresponding path program 1 times [2018-11-28 11:37:49,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:49,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,019 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:37:49,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,026 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:49,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1249492756, now seen corresponding path program 1 times [2018-11-28 11:37:49,027 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:49,027 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:49,027 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,028 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:49,028 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:37:49,114 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 11:37:49,115 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:37:49,115 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:37:49,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:37:49,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:37:49,152 INFO L87 Difference]: Start difference. First operand 114 states and 162 transitions. cyclomatic complexity: 51 Second operand 5 states. [2018-11-28 11:37:49,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:37:49,300 INFO L93 Difference]: Finished difference Result 367 states and 533 transitions. [2018-11-28 11:37:49,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:37:49,300 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 367 states and 533 transitions. [2018-11-28 11:37:49,304 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 271 [2018-11-28 11:37:49,307 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 367 states to 367 states and 533 transitions. [2018-11-28 11:37:49,307 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 367 [2018-11-28 11:37:49,308 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 367 [2018-11-28 11:37:49,308 INFO L73 IsDeterministic]: Start isDeterministic. Operand 367 states and 533 transitions. [2018-11-28 11:37:49,309 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 11:37:49,309 INFO L705 BuchiCegarLoop]: Abstraction has 367 states and 533 transitions. [2018-11-28 11:37:49,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 367 states and 533 transitions. [2018-11-28 11:37:49,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 367 to 222. [2018-11-28 11:37:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-28 11:37:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 310 transitions. [2018-11-28 11:37:49,321 INFO L728 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2018-11-28 11:37:49,322 INFO L608 BuchiCegarLoop]: Abstraction has 222 states and 310 transitions. [2018-11-28 11:37:49,322 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 11:37:49,322 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 222 states and 310 transitions. [2018-11-28 11:37:49,323 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 160 [2018-11-28 11:37:49,323 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 11:37:49,324 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 11:37:49,324 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 11:37:49,324 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:37:49,324 INFO L794 eck$LassoCheckResult]: Stem: 838#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string4.base, #t~string4.offset := #Ultimate.alloc(13);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string6.base, #t~string6.offset, 1);call write~init~int(110, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 2 + #t~string6.offset, 1);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(102, #t~string8.base, 2 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 3 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string10.base, #t~string10.offset, 1);call write~init~int(80, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(117, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(109, #t~string10.base, 3 + #t~string10.offset, 1);call write~init~int(112, #t~string10.base, 4 + #t~string10.offset, 1);call write~init~int(58, #t~string10.base, 5 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 6 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string12.base, #t~string12.offset, 1);call write~init~int(110, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 2 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(102, #t~string14.base, 2 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 3 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string16.base, #t~string16.offset, 1);call write~init~int(32, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 2 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string18.base, #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 1 + #t~string18.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string41.base, #t~string41.offset := #Ultimate.alloc(30);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(9);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(21);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(30);call #t~string45.base, #t~string45.offset := #Ultimate.alloc(9);call #t~string46.base, #t~string46.offset := #Ultimate.alloc(21);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(30);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(9);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(25);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(30);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(9);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string59.base, #t~string59.offset := #Ultimate.alloc(13);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string61.base, #t~string61.offset, 1);call write~init~int(77, #t~string61.base, 1 + #t~string61.offset, 1);call write~init~int(101, #t~string61.base, 2 + #t~string61.offset, 1);call write~init~int(116, #t~string61.base, 3 + #t~string61.offset, 1);call write~init~int(104, #t~string61.base, 4 + #t~string61.offset, 1);call write~init~int(58, #t~string61.base, 5 + #t~string61.offset, 1);call write~init~int(0, #t~string61.base, 6 + #t~string61.offset, 1);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string63.base, #t~string63.offset, 1);call write~init~int(82, #t~string63.base, 1 + #t~string63.offset, 1);call write~init~int(73, #t~string63.base, 2 + #t~string63.offset, 1);call write~init~int(84, #t~string63.base, 3 + #t~string63.offset, 1);call write~init~int(0, #t~string63.base, 4 + #t~string63.offset, 1);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string65.base, #t~string65.offset, 1);call write~init~int(75, #t~string65.base, 1 + #t~string65.offset, 1);call write~init~int(0, #t~string65.base, 2 + #t~string65.offset, 1);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string67.base, #t~string67.offset, 1);call write~init~int(0, #t~string67.base, 1 + #t~string67.offset, 1);~cleanupTimeShifts~0 := 4; 803#L-1 havoc main_#res;havoc main_#t~ret68, main_~retValue_acc~7, main_~tmp~6;havoc main_~retValue_acc~7;havoc main_~tmp~6; 804#L897 havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 848#L905 main_#t~ret68 := valid_product_#res;main_~tmp~6 := main_#t~ret68;havoc main_#t~ret68; 861#L817 assume 0 != main_~tmp~6; 846#L791 havoc test_#t~nondet19, test_#t~nondet20, test_#t~nondet21, test_#t~nondet22, test_~splverifierCounter~0, test_~tmp~2, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~2;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 847#L847-1 [2018-11-28 11:37:49,325 INFO L796 eck$LassoCheckResult]: Loop: 847#L847-1 assume !false; 983#L229 assume test_~splverifierCounter~0 < 4; 984#L230 test_~tmp~2 := test_#t~nondet19;havoc test_#t~nondet19; 993#L238 assume !(0 != test_~tmp~2); 991#L238-1 test_~tmp___0~0 := test_#t~nondet20;havoc test_#t~nondet20; 989#L248 assume !(0 != test_~tmp___0~0); 987#L248-1 test_~tmp___2~0 := test_#t~nondet21;havoc test_#t~nondet21; 985#L258 assume 0 != test_~tmp___2~0; 831#L264-1 assume !(0 != ~pumpRunning~0); 997#L57 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret0, processEnvironment_~tmp~0;havoc processEnvironment_~tmp~0; 864#L89 assume !(0 != ~pumpRunning~0); 852#L64 havoc __utac_acc__Specification3_spec__1_#t~ret69, __utac_acc__Specification3_spec__1_#t~ret70, __utac_acc__Specification3_spec__1_#t~ret71, __utac_acc__Specification3_spec__1_~tmp~7, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~7;havoc __utac_acc__Specification3_spec__1_~tmp___0~1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~5;havoc isMethaneLevelCritical_~retValue_acc~5;isMethaneLevelCritical_~retValue_acc~5 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~5; 827#L695-1 __utac_acc__Specification3_spec__1_#t~ret69 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~7 := __utac_acc__Specification3_spec__1_#t~ret69;havoc __utac_acc__Specification3_spec__1_#t~ret69; 828#L841 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~7);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~6;havoc getWaterLevel_~retValue_acc~6;getWaterLevel_~retValue_acc~6 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~6; 791#L727 __utac_acc__Specification3_spec__1_#t~ret70 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret70;havoc __utac_acc__Specification3_spec__1_#t~ret70; 792#L847 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 847#L847-1 [2018-11-28 11:37:49,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:49,325 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 11:37:49,325 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:49,325 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:49,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:49,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:49,378 INFO L82 PathProgramCache]: Analyzing trace with hash -456023616, now seen corresponding path program 1 times [2018-11-28 11:37:49,378 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:49,378 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:49,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,379 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 11:37:49,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:37:49,386 INFO L82 PathProgramCache]: Analyzing trace with hash -1828298394, now seen corresponding path program 1 times [2018-11-28 11:37:49,386 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:37:49,387 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:37:49,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:37:49,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:37:49,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 11:37:53,772 WARN L180 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 11:37:55,872 WARN L180 SmtUtils]: Spent 2.10 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 11:37:55,915 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 11:37:55 BoogieIcfgContainer [2018-11-28 11:37:55,915 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 11:37:55,915 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:37:55,916 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:37:55,916 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:37:55,916 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:37:48" (3/4) ... [2018-11-28 11:37:55,920 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 11:37:55,953 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aee14744-eb24-4e8e-ab23-d92ae45b49df/bin-2019/uautomizer/witness.graphml [2018-11-28 11:37:55,954 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:37:55,954 INFO L168 Benchmark]: Toolchain (without parser) took 8567.80 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 236.5 MB). Free memory was 956.0 MB in the beginning and 911.7 MB in the end (delta: 44.3 MB). Peak memory consumption was 280.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,955 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:37:55,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 343.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,956 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.65 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 11:37:55,956 INFO L168 Benchmark]: Boogie Preprocessor took 23.44 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,956 INFO L168 Benchmark]: RCFGBuilder took 523.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,956 INFO L168 Benchmark]: BuchiAutomizer took 7601.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.0 GB in the beginning and 921.2 MB in the end (delta: 81.0 MB). Peak memory consumption was 390.9 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,957 INFO L168 Benchmark]: Witness Printer took 38.20 ms. Allocated memory is still 1.3 GB. Free memory was 921.2 MB in the beginning and 911.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:37:55,961 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 343.48 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 80.2 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -95.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.65 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. * Boogie Preprocessor took 23.44 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: 3.7 MB). Peak memory consumption was 3.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 523.61 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 45.6 MB). Peak memory consumption was 45.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 7601.32 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 156.2 MB). Free memory was 1.0 GB in the beginning and 921.2 MB in the end (delta: 81.0 MB). Peak memory consumption was 390.9 MB. Max. memory is 11.5 GB. * Witness Printer took 38.20 ms. Allocated memory is still 1.3 GB. Free memory was 921.2 MB in the beginning and 911.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 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 222 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 7.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 7.1s. Construction of modules took 0.1s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 208 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 222 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 221 SDtfs, 705 SDslu, 919 SDs, 0 SdLazy, 121 SolverSat, 30 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 228]: 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=31, NULL=18, NULL=0, NULL=0, NULL=36, NULL=0, NULL=0, NULL=0, NULL=0, NULL=37, retValue_acc=0, NULL=0, NULL=0, methaneLevelCritical=0, NULL=34, tmp=0, NULL=0, NULL=22, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@e32e874=0, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@693f8ff5=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@8d201b7=0, cleanupTimeShifts=4, NULL=15, NULL=23, NULL=8, NULL=27, NULL=11, tmp___0=1, tmp=0, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, NULL=14, NULL=0, retValue_acc=0, NULL=17, NULL=0, tmp___0=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@481e0c61=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=35, \result=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5b2b69dc=0, NULL=29, head=0, pumpRunning=0, \result=0, NULL=20, NULL=0, NULL=0, NULL=0, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4ec9989a=0, NULL=38, retValue_acc=1, NULL=28, retValue_acc=1, tmp___2=56, splverifierCounter=0, NULL=0, \result=0, NULL=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4754153a=0, tmp=0, NULL=24, tmp___1=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@17c7590=56, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@302c4c5b=0, NULL=16, NULL=33, NULL=12, NULL=19, NULL=26} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L49] int pumpRunning = 0; [L50] int systemActive = 1; [L454] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L652] int waterLevel = 1; [L653] int methaneLevelCritical = 0; [L732] int cleanupTimeShifts = 4; [L808] int retValue_acc ; [L809] int tmp ; [L901] int retValue_acc ; [L904] retValue_acc = 1 [L905] return (retValue_acc); [L815] tmp = valid_product() [L817] COND TRUE \read(tmp) [L219] int splverifierCounter ; [L220] int tmp ; [L221] int tmp___0 ; [L222] int tmp___1 ; [L223] int tmp___2 ; [L226] splverifierCounter = 0 Loop: [L228] COND TRUE 1 [L230] COND TRUE splverifierCounter < 4 [L236] tmp = __VERIFIER_nondet_int() [L238] COND FALSE !(\read(tmp)) [L246] tmp___0 = __VERIFIER_nondet_int() [L248] COND FALSE !(\read(tmp___0)) [L256] tmp___2 = __VERIFIER_nondet_int() [L258] COND TRUE \read(tmp___2) [L57] COND FALSE !(\read(pumpRunning)) [L64] COND TRUE \read(systemActive) [L86] int tmp ; [L89] COND FALSE !(\read(pumpRunning)) [L833] int tmp ; [L834] int tmp___0 ; [L835] int tmp___1 ; [L691] int retValue_acc ; [L694] retValue_acc = methaneLevelCritical [L695] return (retValue_acc); [L839] tmp = isMethaneLevelCritical() [L841] COND FALSE !(\read(tmp)) [L723] int retValue_acc ; [L726] retValue_acc = waterLevel [L727] return (retValue_acc); [L845] tmp___0 = getWaterLevel() [L847] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...