./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/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 ecfbbc733442c307db2d841c8e8a441054d096f7 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 0.1.23-5842f4b [2018-11-18 14:15:53,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:15:53,819 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:15:53,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:15:53,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:15:53,829 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:15:53,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:15:53,831 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:15:53,832 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:15:53,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:15:53,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:15:53,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:15:53,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:15:53,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:15:53,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:15:53,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:15:53,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:15:53,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:15:53,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:15:53,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:15:53,841 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:15:53,842 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:15:53,843 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:15:53,843 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:15:53,843 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:15:53,844 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:15:53,844 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:15:53,846 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:15:53,846 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:15:53,847 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:15:53,847 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:15:53,848 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:15:53,848 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:15:53,848 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:15:53,848 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:15:53,849 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:15:53,849 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:15:53,858 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:15:53,859 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:15:53,860 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:15:53,860 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:15:53,860 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:15:53,861 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:15:53,861 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:15:53,862 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:15:53,862 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:15:53,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:15:53,863 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:15:53,863 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:15:53,863 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:15:53,863 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:15:53,864 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:15:53,864 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_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/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 -> ecfbbc733442c307db2d841c8e8a441054d096f7 [2018-11-18 14:15:53,888 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:15:53,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:15:53,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:15:53,901 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:15:53,901 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:15:53,902 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:53,945 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/data/93acff114/d7b5069ba93549a392ad70e3ed46bce0/FLAGa748445bc [2018-11-18 14:15:54,304 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:15:54,304 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/sv-benchmarks/c/product-lines/minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:54,314 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/data/93acff114/d7b5069ba93549a392ad70e3ed46bce0/FLAGa748445bc [2018-11-18 14:15:54,702 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/data/93acff114/d7b5069ba93549a392ad70e3ed46bce0 [2018-11-18 14:15:54,705 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:15:54,706 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:15:54,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:54,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:15:54,709 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:15:54,710 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:54" (1/1) ... [2018-11-18 14:15:54,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:54, skipping insertion in model container [2018-11-18 14:15:54,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:15:54" (1/1) ... [2018-11-18 14:15:54,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:15:54,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:15:54,935 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:54,941 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:15:55,042 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:15:55,059 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:15:55,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55 WrapperNode [2018-11-18 14:15:55,059 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:15:55,060 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:55,060 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:15:55,060 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:15:55,065 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,077 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,099 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:15:55,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:15:55,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:15:55,099 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:15:55,105 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... [2018-11-18 14:15:55,123 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:15:55,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:15:55,124 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:15:55,124 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:15:55,125 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/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 [2018-11-18 14:15:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:15:55,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:15:55,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:15:55,580 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:15:55,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:55 BoogieIcfgContainer [2018-11-18 14:15:55,580 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:15:55,581 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:15:55,581 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:15:55,583 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:15:55,584 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:55,584 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:15:54" (1/3) ... [2018-11-18 14:15:55,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63941f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:15:55, skipping insertion in model container [2018-11-18 14:15:55,585 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:55,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:15:55" (2/3) ... [2018-11-18 14:15:55,585 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@63941f45 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:15:55, skipping insertion in model container [2018-11-18 14:15:55,585 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:15:55,585 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:55" (3/3) ... [2018-11-18 14:15:55,587 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product12_true-unreach-call_false-termination.cil.c [2018-11-18 14:15:55,621 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:15:55,622 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:15:55,622 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:15:55,622 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:15:55,622 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:15:55,622 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:15:55,622 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:15:55,622 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:15:55,622 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:15:55,634 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 14:15:55,652 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 14:15:55,652 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:15:55,652 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:15:55,656 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:55,656 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:55,657 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:15:55,657 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 82 states. [2018-11-18 14:15:55,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 53 [2018-11-18 14:15:55,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:15:55,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:15:55,661 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:55,661 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:55,665 INFO L794 eck$LassoCheckResult]: Stem: 23#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 68#L386true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 81#L379true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 4#L394true main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 75#L873true assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 54#L850true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 53#L56-3true [2018-11-18 14:15:55,665 INFO L796 eck$LassoCheckResult]: Loop: 53#L56-3true assume true; 55#L56-1true assume !false; 83#L57true assume test_~splverifierCounter~0 < 4; 3#L58true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 30#L66true assume !(0 != test_~tmp~0); 24#L66-2true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 8#L76true assume !(0 != test_~tmp___0~0); 6#L76-2true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 77#L86true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet3;havoc test_#t~nondet3; 71#L94true assume !(0 != test_~tmp___1~0); 70#L94-2true assume { :begin_inline_timeShift } true; 79#L130true assume !(0 != ~pumpRunning~0); 76#L130-2true assume !(0 != ~systemActive~0); 47#L137-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 63#L324true __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 41#L407true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 46#L407-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 18#L147true assume { :end_inline_timeShift } true; 53#L56-3true [2018-11-18 14:15:55,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:15:55,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:55,673 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:55,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,706 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:55,706 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:55,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:55,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1444580289, now seen corresponding path program 1 times [2018-11-18 14:15:55,818 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:55,818 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:55,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:55,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:55,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:55,837 INFO L82 PathProgramCache]: Analyzing trace with hash -1667745659, now seen corresponding path program 1 times [2018-11-18 14:15:55,837 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:55,837 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:55,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,838 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:55,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:55,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:15:55,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:15:55,961 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:15:55,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:15:56,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:15:56,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:15:56,041 INFO L87 Difference]: Start difference. First operand 82 states. Second operand 6 states. [2018-11-18 14:15:56,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:15:56,213 INFO L93 Difference]: Finished difference Result 287 states and 358 transitions. [2018-11-18 14:15:56,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:15:56,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 287 states and 358 transitions. [2018-11-18 14:15:56,221 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 186 [2018-11-18 14:15:56,227 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 287 states to 247 states and 318 transitions. [2018-11-18 14:15:56,228 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 247 [2018-11-18 14:15:56,228 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 247 [2018-11-18 14:15:56,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 247 states and 318 transitions. [2018-11-18 14:15:56,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:15:56,230 INFO L705 BuchiCegarLoop]: Abstraction has 247 states and 318 transitions. [2018-11-18 14:15:56,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states and 318 transitions. [2018-11-18 14:15:56,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 123. [2018-11-18 14:15:56,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-11-18 14:15:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 159 transitions. [2018-11-18 14:15:56,256 INFO L728 BuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2018-11-18 14:15:56,256 INFO L608 BuchiCegarLoop]: Abstraction has 123 states and 159 transitions. [2018-11-18 14:15:56,256 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:15:56,256 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 123 states and 159 transitions. [2018-11-18 14:15:56,257 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 91 [2018-11-18 14:15:56,257 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:15:56,257 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:15:56,258 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:15:56,258 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] [2018-11-18 14:15:56,258 INFO L794 eck$LassoCheckResult]: Stem: 412#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(13);call #t~string9.base, #t~string9.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 79];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 110];#memory_int := #memory_int[#t~string9.base,2 + #t~string9.offset := 0];call #t~string11.base, #t~string11.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string11.base,#t~string11.offset := 79];#memory_int := #memory_int[#t~string11.base,1 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,2 + #t~string11.offset := 102];#memory_int := #memory_int[#t~string11.base,3 + #t~string11.offset := 0];call #t~string13.base, #t~string13.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string13.base,#t~string13.offset := 44];#memory_int := #memory_int[#t~string13.base,1 + #t~string13.offset := 80];#memory_int := #memory_int[#t~string13.base,2 + #t~string13.offset := 117];#memory_int := #memory_int[#t~string13.base,3 + #t~string13.offset := 109];#memory_int := #memory_int[#t~string13.base,4 + #t~string13.offset := 112];#memory_int := #memory_int[#t~string13.base,5 + #t~string13.offset := 58];#memory_int := #memory_int[#t~string13.base,6 + #t~string13.offset := 0];call #t~string15.base, #t~string15.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string15.base,#t~string15.offset := 79];#memory_int := #memory_int[#t~string15.base,1 + #t~string15.offset := 110];#memory_int := #memory_int[#t~string15.base,2 + #t~string15.offset := 0];call #t~string17.base, #t~string17.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string17.base,#t~string17.offset := 79];#memory_int := #memory_int[#t~string17.base,1 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,2 + #t~string17.offset := 102];#memory_int := #memory_int[#t~string17.base,3 + #t~string17.offset := 0];call #t~string19.base, #t~string19.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string19.base,#t~string19.offset := 41];#memory_int := #memory_int[#t~string19.base,1 + #t~string19.offset := 32];#memory_int := #memory_int[#t~string19.base,2 + #t~string19.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string21.base,#t~string21.offset := 10];#memory_int := #memory_int[#t~string21.base,1 + #t~string21.offset := 0];call #t~string23.base, #t~string23.offset := #Ultimate.alloc(13);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 44];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 77];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 101];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 116];#memory_int := #memory_int[#t~string25.base,4 + #t~string25.offset := 104];#memory_int := #memory_int[#t~string25.base,5 + #t~string25.offset := 58];#memory_int := #memory_int[#t~string25.base,6 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 67];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 82];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 73];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 84];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 75];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 41];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 0];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(21);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~string62.base, #t~string62.offset := #Ultimate.alloc(30);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(9);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(25);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);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 391#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret70, main_~retValue_acc~9, main_~tmp~6;havoc main_~retValue_acc~9;havoc main_~tmp~6;assume { :begin_inline_select_helpers } true; 392#L386 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 453#L379 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~5;havoc valid_product_~retValue_acc~5;valid_product_~retValue_acc~5 := 1;valid_product_#res := valid_product_~retValue_acc~5; 389#L394 main_#t~ret70 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~6 := main_#t~ret70;havoc main_#t~ret70; 390#L873 assume 0 != main_~tmp~6;assume { :begin_inline_setup } true; 445#L850 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet0, test_#t~nondet1, test_#t~nondet2, test_#t~nondet3, test_~splverifierCounter~0, test_~tmp~0, test_~tmp___0~0, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~0;havoc test_~tmp___0~0;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 408#L56-3 [2018-11-18 14:15:56,259 INFO L796 eck$LassoCheckResult]: Loop: 408#L56-3 assume true; 444#L56-1 assume !false; 446#L57 assume test_~splverifierCounter~0 < 4; 387#L58 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 388#L66 assume !(0 != test_~tmp~0); 413#L66-2 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 397#L76 assume !(0 != test_~tmp___0~0); 393#L76-2 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 394#L86 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 417#L267 assume { :end_inline_startSystem } true; 418#L94-2 assume { :begin_inline_timeShift } true; 454#L130 assume !(0 != ~pumpRunning~0); 439#L130-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 401#L154 assume { :end_inline_processEnvironment } true; 402#L137-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret33, __utac_acc__Specification1_spec__1_#t~ret34, __utac_acc__Specification1_spec__1_~tmp~2, __utac_acc__Specification1_spec__1_~tmp___0~1;havoc __utac_acc__Specification1_spec__1_~tmp~2;havoc __utac_acc__Specification1_spec__1_~tmp___0~1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 440#L324 __utac_acc__Specification1_spec__1_#t~ret33 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~2 := __utac_acc__Specification1_spec__1_#t~ret33;havoc __utac_acc__Specification1_spec__1_#t~ret33; 431#L407 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~2); 432#L407-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 407#L147 assume { :end_inline_timeShift } true; 408#L56-3 [2018-11-18 14:15:56,259 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:56,259 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:15:56,259 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:56,259 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:56,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,260 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:56,260 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:56,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:56,309 INFO L82 PathProgramCache]: Analyzing trace with hash 300542304, now seen corresponding path program 1 times [2018-11-18 14:15:56,309 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:56,310 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:56,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,310 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:15:56,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:56,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:15:56,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1692281572, now seen corresponding path program 1 times [2018-11-18 14:15:56,319 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:15:56,319 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:15:56,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,320 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:15:56,320 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:15:56,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:15:56,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:16:37,876 WARN L180 SmtUtils]: Spent 41.41 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:17:10,789 WARN L180 SmtUtils]: Spent 32.91 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:17:10,850 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:17:10 BoogieIcfgContainer [2018-11-18 14:17:10,851 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:17:10,851 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:17:10,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:17:10,851 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:17:10,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:15:55" (3/4) ... [2018-11-18 14:17:10,854 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:17:10,893 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c20f0dd-fe9a-4a32-b411-c00d299a7c1f/bin-2019/uautomizer/witness.graphml [2018-11-18 14:17:10,893 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:17:10,894 INFO L168 Benchmark]: Toolchain (without parser) took 76188.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.5 MB). Free memory was 951.1 MB in the beginning and 834.0 MB in the end (delta: 117.1 MB). Peak memory consumption was 322.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,895 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:17:10,895 INFO L168 Benchmark]: CACSL2BoogieTranslator took 352.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,895 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,895 INFO L168 Benchmark]: Boogie Preprocessor took 24.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,896 INFO L168 Benchmark]: RCFGBuilder took 456.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,896 INFO L168 Benchmark]: BuchiAutomizer took 75270.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 839.2 MB in the end (delta: 231.9 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,897 INFO L168 Benchmark]: Witness Printer took 42.31 ms. Allocated memory is still 1.2 GB. Free memory was 839.2 MB in the beginning and 834.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:17:10,899 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 352.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -179.3 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.21 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 456.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 52.6 MB). Peak memory consumption was 52.6 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 75270.15 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 66.1 MB). Free memory was 1.1 GB in the beginning and 839.2 MB in the end (delta: 231.9 MB). Peak memory consumption was 298.0 MB. Max. memory is 11.5 GB. * Witness Printer took 42.31 ms. Allocated memory is still 1.2 GB. Free memory was 839.2 MB in the beginning and 834.0 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.1 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 123 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 75.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 74.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 124 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 123 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 94 SDtfs, 425 SDslu, 724 SDs, 0 SdLazy, 52 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI0 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: 56]: 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 {"On"=26, NULL=0, "__utac__get_this_argtype"=0, "i > 0 && i <= this->argsCount"=0, "__utac__get_this_arg"=12, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7724e444=0, "Pump(System:"=31, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48315d0a=152, "libacc.c"=34, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@416d3aef=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@108946da=0, retValue_acc=0, "Off"=28, "__utac__get_this_argtype"=35, "i > 0 && i <= this->argsCount"=8, methaneLevelCritical=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "__utac__get_this_argtype"=0, tmp___1=0, "OK"=17, "Env(Water:%i"=20, tmp___0=0, cleanupTimeShifts=4, tmp=0, ",Meth:"=19, ")"=16, "i > 0 && i <= this->argsCount"=15, "Off"=24, ",Meth:"=0, "Env(Water:%i"=0, "\n"=0, "CRIT"=0, "OK"=0, NULL=0, systemActive=1, waterLevel=1, "__utac__get_this_arg"=37, retValue_acc=0, "libacc.c"=0, tmp___0=0, "__utac__get_this_arg"=0, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=0, \result=1, head=0, pumpRunning=0, "libacc.c"=11, \result=0, "\n"=22, ") "=0, "libacc.c"=38, "On"=0, tmp=0, tmp=1, "Off"=0, retValue_acc=1, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f0b7970=0, tmp___2=152, splverifierCounter=0, "On"=0, "Pump(System:"=0, \result=0, "On"=29, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@400be1d3=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@64b3f249=0, head=0, ") "=23, "CRIT"=18, ")"=0, ",Pump:"=0, "Off"=0, "i > 0 && i <= this->argsCount"=36, ",Pump:"=27, "libacc.c"=14, "i > 0 && i <= this->argsCount"=33} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 56]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L216] FCALL "Pump(System:" [L220] FCALL "On" [L224] FCALL "Off" [L228] FCALL ",Pump:" [L232] FCALL "On" [L236] FCALL "Off" [L240] FCALL ") " [L242] FCALL "\n" [L333] FCALL "Env(Water:%i" [L334] FCALL ",Meth:" [L338] FCALL "CRIT" [L342] FCALL "OK" [L346] FCALL ")" [L722] FCALL "i > 0 && i <= this->argsCount" [L722] FCALL "libacc.c" [L723] FCALL "__utac__get_this_arg" [L729] FCALL "i > 0 && i <= this->argsCount" [L729] FCALL "libacc.c" [L730] FCALL "__utac__get_this_arg" [L768] FCALL "i > 0 && i <= this->argsCount" [L768] FCALL "libacc.c" [L769] FCALL "__utac__get_this_argtype" [L775] FCALL "i > 0 && i <= this->argsCount" [L775] FCALL "libacc.c" [L776] FCALL "__utac__get_this_argtype" [L122] int pumpRunning = 0; [L123] int systemActive = 1; [L281] int waterLevel = 1; [L282] int methaneLevelCritical = 0; [L791] int cleanupTimeShifts = 4; [L594] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L864] int retValue_acc ; [L865] int tmp ; [L869] FCALL select_helpers() [L870] FCALL select_features() [L871] CALL, EXPR valid_product() [L390] int retValue_acc ; [L393] retValue_acc = 1 [L394] RET return (retValue_acc); [L871] EXPR valid_product() [L871] tmp = valid_product() [L873] COND TRUE \read(tmp) [L875] FCALL setup() [L876] CALL runTest() [L858] CALL test() [L47] int splverifierCounter ; [L48] int tmp ; [L49] int tmp___0 ; [L50] int tmp___1 ; [L51] int tmp___2 ; [L54] splverifierCounter = 0 Loop: [L56] COND TRUE 1 [L58] COND TRUE splverifierCounter < 4 [L64] tmp = __VERIFIER_nondet_int() [L66] COND FALSE !(\read(tmp)) [L74] tmp___0 = __VERIFIER_nondet_int() [L76] COND FALSE !(\read(tmp___0)) [L84] tmp___2 = __VERIFIER_nondet_int() [L86] COND TRUE \read(tmp___2) [L88] CALL startSystem() [L266] RET systemActive = 1 [L88] startSystem() [L103] CALL timeShift() [L130] COND FALSE !(\read(pumpRunning)) [L137] COND TRUE \read(systemActive) [L139] FCALL processEnvironment() [L145] CALL __utac_acc__Specification1_spec__1() [L400] int tmp ; [L401] int tmp___0 ; [L405] CALL, EXPR isMethaneLevelCritical() [L320] int retValue_acc ; [L323] retValue_acc = methaneLevelCritical [L324] RET return (retValue_acc); [L405] EXPR isMethaneLevelCritical() [L405] tmp = isMethaneLevelCritical() [L407] COND FALSE, RET !(\read(tmp)) [L145] RET __utac_acc__Specification1_spec__1() [L103] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...