./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_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_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/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 1d1eb208d6efd7de1545c84c5a943059f225aacb ....................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 12:59:36,682 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:59:36,683 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:59:36,690 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:59:36,690 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:59:36,691 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:59:36,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:59:36,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:59:36,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:59:36,695 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:59:36,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:59:36,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:59:36,696 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:59:36,697 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:59:36,698 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:59:36,698 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:59:36,699 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:59:36,700 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:59:36,701 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:59:36,702 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:59:36,703 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:59:36,704 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:59:36,705 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:59:36,706 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:59:36,706 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:59:36,706 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:59:36,707 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:59:36,707 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:59:36,708 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:59:36,709 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:59:36,709 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:59:36,709 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:59:36,709 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:59:36,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:59:36,710 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:59:36,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:59:36,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-28 12:59:36,722 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:59:36,722 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:59:36,723 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:59:36,723 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:59:36,723 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:59:36,723 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-28 12:59:36,723 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-28 12:59:36,723 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-28 12:59:36,723 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-28 12:59:36,724 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:59:36,724 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:59:36,725 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-28 12:59:36,726 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:59:36,726 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:59:36,726 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-28 12:59:36,726 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:59:36,726 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:59:36,726 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-28 12:59:36,727 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-28 12:59:36,727 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_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/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 -> 1d1eb208d6efd7de1545c84c5a943059f225aacb [2018-11-28 12:59:36,752 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:59:36,760 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:59:36,763 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:59:36,763 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:59:36,764 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:59:36,764 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-28 12:59:36,801 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/data/6cfa3dae1/0a8929bb9bdc40d2b7a1f2eef931fa90/FLAGaffefa528 [2018-11-28 12:59:37,227 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:59:37,228 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/sv-benchmarks/c/product-lines/minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-28 12:59:37,237 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/data/6cfa3dae1/0a8929bb9bdc40d2b7a1f2eef931fa90/FLAGaffefa528 [2018-11-28 12:59:37,245 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/data/6cfa3dae1/0a8929bb9bdc40d2b7a1f2eef931fa90 [2018-11-28 12:59:37,247 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:59:37,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:59:37,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:59:37,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:59:37,251 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:59:37,252 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,254 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 12:59:37, skipping insertion in model container [2018-11-28 12:59:37,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:59:37,285 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:59:37,457 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:59:37,511 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:59:37,559 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:59:37,576 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:59:37,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37 WrapperNode [2018-11-28 12:59:37,577 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:59:37,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:59:37,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:59:37,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:59:37,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:59:37,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:59:37,623 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:59:37,623 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:59:37,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,635 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,635 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,641 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... [2018-11-28 12:59:37,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:59:37,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:59:37,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:59:37,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:59:37,651 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/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 12:59:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 12:59:37,695 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 12:59:37,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:59:37,696 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:59:38,102 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:59:38,103 INFO L280 CfgBuilder]: Removed 76 assue(true) statements. [2018-11-28 12:59:38,103 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:59:38 BoogieIcfgContainer [2018-11-28 12:59:38,103 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:59:38,104 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-28 12:59:38,104 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-28 12:59:38,107 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-28 12:59:38,108 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:59:38,108 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.11 12:59:37" (1/3) ... [2018-11-28 12:59:38,109 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b99c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:59:38, skipping insertion in model container [2018-11-28 12:59:38,109 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:59:38,109 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:59:37" (2/3) ... [2018-11-28 12:59:38,110 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4b99c82e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.11 12:59:38, skipping insertion in model container [2018-11-28 12:59:38,110 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-28 12:59:38,110 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:59:38" (3/3) ... [2018-11-28 12:59:38,111 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product03_false-unreach-call_false-termination.cil.c [2018-11-28 12:59:38,157 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:59:38,158 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-28 12:59:38,158 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-28 12:59:38,158 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-28 12:59:38,158 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:59:38,158 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:59:38,159 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-28 12:59:38,159 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:59:38,159 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-28 12:59:38,172 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2018-11-28 12:59:38,191 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-28 12:59:38,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:59:38,192 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:59:38,198 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,199 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,199 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-28 12:59:38,199 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states. [2018-11-28 12:59:38,202 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 39 [2018-11-28 12:59:38,202 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:59:38,202 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:59:38,202 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,202 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,207 INFO L794 eck$LassoCheckResult]: Stem: 29#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 16#L-1true havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 26#L633true havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 31#L641true main_#t~ret60 := valid_product_#res;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 25#L772true assume 0 != main_~tmp~5; 9#L749true 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; 32#L671-1true [2018-11-28 12:59:38,208 INFO L796 eck$LassoCheckResult]: Loop: 32#L671-1true assume !false; 39#L56true assume test_~splverifierCounter~0 < 4; 63#L57true test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 20#L65true assume !(0 != test_~tmp~0); 19#L65-1true test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 57#L75true assume !(0 != test_~tmp___0~0); 55#L75-1true test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 33#L85true assume 0 != test_~tmp___2~0; 4#L91-1true assume !(0 != ~pumpRunning~0); 17#L127true assume !(0 != ~systemActive~0); 47#L134true havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 59#L829true __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 5#L665true assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 32#L671-1true [2018-11-28 12:59:38,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,213 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-11-28 12:59:38,218 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,219 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:38,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1673895426, now seen corresponding path program 1 times [2018-11-28 12:59:38,379 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,379 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,380 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:38,380 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,391 INFO L82 PathProgramCache]: Analyzing trace with hash 40383512, now seen corresponding path program 1 times [2018-11-28 12:59:38,391 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,391 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,392 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:38,392 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:59:38,488 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 12:59:38,490 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:59:38,490 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:59:38,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 12:59:38,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-28 12:59:38,573 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 6 states. [2018-11-28 12:59:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:59:38,685 INFO L93 Difference]: Finished difference Result 174 states and 237 transitions. [2018-11-28 12:59:38,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 12:59:38,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 237 transitions. [2018-11-28 12:59:38,699 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 109 [2018-11-28 12:59:38,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 153 states and 216 transitions. [2018-11-28 12:59:38,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 153 [2018-11-28 12:59:38,706 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 153 [2018-11-28 12:59:38,706 INFO L73 IsDeterministic]: Start isDeterministic. Operand 153 states and 216 transitions. [2018-11-28 12:59:38,707 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:59:38,707 INFO L705 BuchiCegarLoop]: Abstraction has 153 states and 216 transitions. [2018-11-28 12:59:38,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states and 216 transitions. [2018-11-28 12:59:38,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 102. [2018-11-28 12:59:38,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-28 12:59:38,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 144 transitions. [2018-11-28 12:59:38,737 INFO L728 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 12:59:38,737 INFO L608 BuchiCegarLoop]: Abstraction has 102 states and 144 transitions. [2018-11-28 12:59:38,737 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-28 12:59:38,737 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 102 states and 144 transitions. [2018-11-28 12:59:38,738 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 72 [2018-11-28 12:59:38,739 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:59:38,739 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:59:38,739 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,739 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:59:38,739 INFO L794 eck$LassoCheckResult]: Stem: 293#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 279#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 280#L633 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 290#L641 main_#t~ret60 := valid_product_#res;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 289#L772 assume 0 != main_~tmp~5; 268#L749 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; 260#L671-1 [2018-11-28 12:59:38,740 INFO L796 eck$LassoCheckResult]: Loop: 260#L671-1 assume !false; 296#L56 assume test_~splverifierCounter~0 < 4; 301#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 284#L65 assume !(0 != test_~tmp~0); 255#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 283#L75 assume !(0 != test_~tmp___0~0); 295#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 297#L85 assume 0 != test_~tmp___2~0; 256#L91-1 assume !(0 != ~pumpRunning~0); 258#L127 assume 0 != ~systemActive~0; 281#L134 havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 305#L829 __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 259#L665 assume 0 != __utac_acc__Specification3_spec__1_~tmp~4; 260#L671-1 [2018-11-28 12:59:38,740 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,740 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-11-28 12:59:38,740 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:38,741 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1673984799, now seen corresponding path program 1 times [2018-11-28 12:59:38,778 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,779 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:59:38,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:38,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:38,786 INFO L82 PathProgramCache]: Analyzing trace with hash 40294139, now seen corresponding path program 1 times [2018-11-28 12:59:38,786 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:38,786 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:38,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,787 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:38,787 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:59:38,847 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 12:59:38,847 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:59:38,847 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:59:38,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:59:38,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:59:38,900 INFO L87 Difference]: Start difference. First operand 102 states and 144 transitions. cyclomatic complexity: 45 Second operand 5 states. [2018-11-28 12:59:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:59:38,990 INFO L93 Difference]: Finished difference Result 319 states and 461 transitions. [2018-11-28 12:59:38,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 12:59:38,991 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 319 states and 461 transitions. [2018-11-28 12:59:38,994 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 240 [2018-11-28 12:59:38,997 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 319 states to 319 states and 461 transitions. [2018-11-28 12:59:38,997 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 319 [2018-11-28 12:59:38,998 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 319 [2018-11-28 12:59:38,998 INFO L73 IsDeterministic]: Start isDeterministic. Operand 319 states and 461 transitions. [2018-11-28 12:59:38,999 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-28 12:59:38,999 INFO L705 BuchiCegarLoop]: Abstraction has 319 states and 461 transitions. [2018-11-28 12:59:39,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states and 461 transitions. [2018-11-28 12:59:39,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 198. [2018-11-28 12:59:39,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-28 12:59:39,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 274 transitions. [2018-11-28 12:59:39,010 INFO L728 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2018-11-28 12:59:39,011 INFO L608 BuchiCegarLoop]: Abstraction has 198 states and 274 transitions. [2018-11-28 12:59:39,011 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-28 12:59:39,011 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 198 states and 274 transitions. [2018-11-28 12:59:39,012 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 144 [2018-11-28 12:59:39,012 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-28 12:59:39,012 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-28 12:59:39,013 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-28 12:59:39,013 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:59:39,013 INFO L794 eck$LassoCheckResult]: Stem: 735#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string6.base, #t~string6.offset := #Ultimate.alloc(13);call #t~string8.base, #t~string8.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string8.base, #t~string8.offset, 1);call write~init~int(110, #t~string8.base, 1 + #t~string8.offset, 1);call write~init~int(0, #t~string8.base, 2 + #t~string8.offset, 1);call #t~string10.base, #t~string10.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string10.base, #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 1 + #t~string10.offset, 1);call write~init~int(102, #t~string10.base, 2 + #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 3 + #t~string10.offset, 1);call #t~string12.base, #t~string12.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string12.base, #t~string12.offset, 1);call write~init~int(80, #t~string12.base, 1 + #t~string12.offset, 1);call write~init~int(117, #t~string12.base, 2 + #t~string12.offset, 1);call write~init~int(109, #t~string12.base, 3 + #t~string12.offset, 1);call write~init~int(112, #t~string12.base, 4 + #t~string12.offset, 1);call write~init~int(58, #t~string12.base, 5 + #t~string12.offset, 1);call write~init~int(0, #t~string12.base, 6 + #t~string12.offset, 1);call #t~string14.base, #t~string14.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string14.base, #t~string14.offset, 1);call write~init~int(110, #t~string14.base, 1 + #t~string14.offset, 1);call write~init~int(0, #t~string14.base, 2 + #t~string14.offset, 1);call #t~string16.base, #t~string16.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string16.base, #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 1 + #t~string16.offset, 1);call write~init~int(102, #t~string16.base, 2 + #t~string16.offset, 1);call write~init~int(0, #t~string16.base, 3 + #t~string16.offset, 1);call #t~string18.base, #t~string18.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string18.base, #t~string18.offset, 1);call write~init~int(32, #t~string18.base, 1 + #t~string18.offset, 1);call write~init~int(0, #t~string18.base, 2 + #t~string18.offset, 1);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string20.base, #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 1 + #t~string20.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string39.base, #t~string39.offset := #Ultimate.alloc(30);call #t~string40.base, #t~string40.offset := #Ultimate.alloc(9);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(21);call #t~string42.base, #t~string42.offset := #Ultimate.alloc(30);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(9);call #t~string44.base, #t~string44.offset := #Ultimate.alloc(21);call #t~string48.base, #t~string48.offset := #Ultimate.alloc(30);call #t~string49.base, #t~string49.offset := #Ultimate.alloc(9);call #t~string50.base, #t~string50.offset := #Ultimate.alloc(25);call #t~string51.base, #t~string51.offset := #Ultimate.alloc(30);call #t~string52.base, #t~string52.offset := #Ultimate.alloc(9);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(25);~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string62.base, #t~string62.offset := #Ultimate.alloc(13);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string64.base, #t~string64.offset, 1);call write~init~int(77, #t~string64.base, 1 + #t~string64.offset, 1);call write~init~int(101, #t~string64.base, 2 + #t~string64.offset, 1);call write~init~int(116, #t~string64.base, 3 + #t~string64.offset, 1);call write~init~int(104, #t~string64.base, 4 + #t~string64.offset, 1);call write~init~int(58, #t~string64.base, 5 + #t~string64.offset, 1);call write~init~int(0, #t~string64.base, 6 + #t~string64.offset, 1);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string66.base, #t~string66.offset, 1);call write~init~int(82, #t~string66.base, 1 + #t~string66.offset, 1);call write~init~int(73, #t~string66.base, 2 + #t~string66.offset, 1);call write~init~int(84, #t~string66.base, 3 + #t~string66.offset, 1);call write~init~int(0, #t~string66.base, 4 + #t~string66.offset, 1);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string68.base, #t~string68.offset, 1);call write~init~int(75, #t~string68.base, 1 + #t~string68.offset, 1);call write~init~int(0, #t~string68.base, 2 + #t~string68.offset, 1);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(2);call write~init~int(41, #t~string70.base, #t~string70.offset, 1);call write~init~int(0, #t~string70.base, 1 + #t~string70.offset, 1); 722#L-1 havoc main_#res;havoc main_#t~ret60, main_~retValue_acc~7, main_~tmp~5;havoc main_~retValue_acc~7;havoc main_~tmp~5; 723#L633 havoc valid_product_#res;havoc valid_product_~retValue_acc~6;havoc valid_product_~retValue_acc~6;valid_product_~retValue_acc~6 := 1;valid_product_#res := valid_product_~retValue_acc~6; 732#L641 main_#t~ret60 := valid_product_#res;main_~tmp~5 := main_#t~ret60;havoc main_#t~ret60; 731#L772 assume 0 != main_~tmp~5; 709#L749 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; 710#L671-1 [2018-11-28 12:59:39,018 INFO L796 eck$LassoCheckResult]: Loop: 710#L671-1 assume !false; 846#L56 assume test_~splverifierCounter~0 < 4; 778#L57 test_~tmp~0 := test_#t~nondet0;havoc test_#t~nondet0; 726#L65 assume !(0 != test_~tmp~0); 694#L65-1 test_~tmp___0~0 := test_#t~nondet1;havoc test_#t~nondet1; 725#L75 assume !(0 != test_~tmp___0~0); 771#L75-1 test_~tmp___2~0 := test_#t~nondet2;havoc test_#t~nondet2; 738#L85 assume 0 != test_~tmp___2~0; 707#L91-1 assume !(0 != ~pumpRunning~0); 856#L127 assume 0 != ~systemActive~0; 853#L134 havoc __utac_acc__Specification3_spec__1_#t~ret57, __utac_acc__Specification3_spec__1_#t~ret58, __utac_acc__Specification3_spec__1_#t~ret59, __utac_acc__Specification3_spec__1_~tmp~4, __utac_acc__Specification3_spec__1_~tmp___0~1, __utac_acc__Specification3_spec__1_~tmp___1~1;havoc __utac_acc__Specification3_spec__1_~tmp~4;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~8;havoc isMethaneLevelCritical_~retValue_acc~8;isMethaneLevelCritical_~retValue_acc~8 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~8; 852#L829 __utac_acc__Specification3_spec__1_#t~ret57 := isMethaneLevelCritical_#res;__utac_acc__Specification3_spec__1_~tmp~4 := __utac_acc__Specification3_spec__1_#t~ret57;havoc __utac_acc__Specification3_spec__1_#t~ret57; 851#L665 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~4);havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~9;havoc getWaterLevel_~retValue_acc~9;getWaterLevel_~retValue_acc~9 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~9; 850#L861 __utac_acc__Specification3_spec__1_#t~ret58 := getWaterLevel_#res;__utac_acc__Specification3_spec__1_~tmp___0~1 := __utac_acc__Specification3_spec__1_#t~ret58;havoc __utac_acc__Specification3_spec__1_#t~ret58; 848#L671 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~1); 710#L671-1 [2018-11-28 12:59:39,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:39,018 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 3 times [2018-11-28 12:59:39,018 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:39,018 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:39,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:39,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:39,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:39,052 INFO L82 PathProgramCache]: Analyzing trace with hash 1913349523, now seen corresponding path program 1 times [2018-11-28 12:59:39,052 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:39,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:39,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,053 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-28 12:59:39,053 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:39,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:59:39,060 INFO L82 PathProgramCache]: Analyzing trace with hash 67967277, now seen corresponding path program 1 times [2018-11-28 12:59:39,060 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:59:39,060 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:59:39,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:59:39,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:59:39,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:39,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 12:59:44,528 WARN L180 SmtUtils]: Spent 5.36 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-11-28 12:59:47,073 WARN L180 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 423 [2018-11-28 12:59:47,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.11 12:59:47 BoogieIcfgContainer [2018-11-28 12:59:47,113 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-28 12:59:47,113 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:59:47,113 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:59:47,114 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:59:47,114 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:59:38" (3/4) ... [2018-11-28 12:59:47,117 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-28 12:59:47,159 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8ed4517b-fad0-4e15-b18a-2ca09f6159ca/bin-2019/uautomizer/witness.graphml [2018-11-28 12:59:47,159 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:59:47,160 INFO L168 Benchmark]: Toolchain (without parser) took 9913.00 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.2 MB). Free memory was 949.6 MB in the beginning and 954.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 280.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:59:47,161 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:59:47,161 INFO L168 Benchmark]: CACSL2BoogieTranslator took 328.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. [2018-11-28 12:59:47,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.22 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 12:59:47,162 INFO L168 Benchmark]: Boogie Preprocessor took 27.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-28 12:59:47,162 INFO L168 Benchmark]: RCFGBuilder took 452.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:59:47,162 INFO L168 Benchmark]: BuchiAutomizer took 9009.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 98.1 MB). Peak memory consumption was 379.1 MB. Max. memory is 11.5 GB. [2018-11-28 12:59:47,163 INFO L168 Benchmark]: Witness Printer took 46.03 ms. Allocated memory is still 1.3 GB. Free memory is still 954.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:59:47,164 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 328.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -154.2 MB). Peak memory consumption was 32.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.22 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 27.83 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 452.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 9009.52 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 172.0 MB). Free memory was 1.1 GB in the beginning and 954.3 MB in the end (delta: 98.1 MB). Peak memory consumption was 379.1 MB. Max. memory is 11.5 GB. * Witness Printer took 46.03 ms. Allocated memory is still 1.3 GB. Free memory is still 954.3 MB. There was no memory consumed. 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 198 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.9s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 8.5s. 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, 172 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 198 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 183 SDtfs, 567 SDslu, 697 SDs, 0 SdLazy, 82 SolverSat, 23 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: 55]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {} State at position 1 is {NULL=0, NULL=0, NULL=0, NULL=34, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@591ad456=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@45975a15=56, retValue_acc=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@174b1708=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d59fd84=0, NULL=0, NULL=0, NULL=11, methaneLevelCritical=0, NULL=35, NULL=23, NULL=0, NULL=0, NULL=39, tmp___1=0, NULL=0, NULL=0, NULL=27, NULL=26, cleanupTimeShifts=4, tmp=0, NULL=22, tmp=0, NULL=16, NULL=31, NULL=12, tmp___0=1, NULL=0, systemActive=1, waterLevel=1, \result=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=33, NULL=0, NULL=19, tmp___0=0, NULL=0, NULL=0, NULL=0, \result=1, NULL=28, head=0, pumpRunning=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1d91e921=0, NULL=17, \result=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@f0dc723=0, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7c69bb2=0, NULL=38, NULL=0, NULL=0, NULL=0, tmp=1, NULL=0, NULL=18, retValue_acc=1, retValue_acc=1, tmp___2=56, splverifierCounter=0, \result=0, NULL=36, NULL=37, tmp___1=0, head=0, NULL=0, NULL=0, NULL=29, NULL=20, NULL=24, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@48d69133=0, NULL=8, NULL=0, NULL=15} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L119] int pumpRunning = 0; [L120] int systemActive = 1; [L411] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L690] int cleanupTimeShifts = 4; [L786] int waterLevel = 1; [L787] int methaneLevelCritical = 0; [L763] int retValue_acc ; [L764] int tmp ; [L637] int retValue_acc ; [L640] retValue_acc = 1 [L641] return (retValue_acc); [L770] tmp = valid_product() [L772] COND TRUE \read(tmp) [L46] int splverifierCounter ; [L47] int tmp ; [L48] int tmp___0 ; [L49] int tmp___1 ; [L50] int tmp___2 ; [L53] splverifierCounter = 0 Loop: [L55] COND TRUE 1 [L57] COND TRUE splverifierCounter < 4 [L63] tmp = __VERIFIER_nondet_int() [L65] COND FALSE !(\read(tmp)) [L73] tmp___0 = __VERIFIER_nondet_int() [L75] COND FALSE !(\read(tmp___0)) [L83] tmp___2 = __VERIFIER_nondet_int() [L85] COND TRUE \read(tmp___2) [L127] COND FALSE !(\read(pumpRunning)) [L134] COND TRUE \read(systemActive) [L657] int tmp ; [L658] int tmp___0 ; [L659] int tmp___1 ; [L825] int retValue_acc ; [L828] retValue_acc = methaneLevelCritical [L829] return (retValue_acc); [L663] tmp = isMethaneLevelCritical() [L665] COND FALSE !(\read(tmp)) [L857] int retValue_acc ; [L860] retValue_acc = waterLevel [L861] return (retValue_acc); [L669] tmp___0 = getWaterLevel() [L671] COND FALSE !(tmp___0 == 2) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...