./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product10_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_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/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 eac2167e56762050a6cde7d8ccfbf36c5d226056 ..................................................................................................................................................................................................................................................................................................................................................................................................... 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 11:22:35,575 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:22:35,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:22:35,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:22:35,584 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:22:35,584 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:22:35,585 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:22:35,586 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:22:35,587 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:22:35,588 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:22:35,589 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:22:35,589 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:22:35,589 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:22:35,590 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:22:35,591 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:22:35,591 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:22:35,592 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:22:35,593 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:22:35,595 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:22:35,596 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:22:35,597 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:22:35,597 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:22:35,599 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:22:35,599 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:22:35,599 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:22:35,600 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:22:35,600 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:22:35,601 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:22:35,602 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:22:35,602 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:22:35,603 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:22:35,603 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:22:35,603 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:22:35,603 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:22:35,604 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:22:35,605 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:22:35,605 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 11:22:35,615 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:22:35,615 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:22:35,616 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 11:22:35,617 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 11:22:35,617 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 11:22:35,618 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:22:35,618 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:22:35,619 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 11:22:35,620 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:22:35,620 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 11:22:35,620 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:22:35,620 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:22:35,620 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 11:22:35,620 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:22:35,620 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 11:22:35,621 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 11:22:35,621 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 11:22:35,621 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_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/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 -> eac2167e56762050a6cde7d8ccfbf36c5d226056 [2018-11-18 11:22:35,644 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:22:35,651 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:22:35,653 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:22:35,654 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:22:35,654 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:22:35,655 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:35,690 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/data/2d3c39211/3816d1571bf54b9d9f3b5986d7db6bb7/FLAG699f31b3c [2018-11-18 11:22:36,112 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:22:36,112 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/sv-benchmarks/c/product-lines/minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:36,119 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/data/2d3c39211/3816d1571bf54b9d9f3b5986d7db6bb7/FLAG699f31b3c [2018-11-18 11:22:36,130 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/data/2d3c39211/3816d1571bf54b9d9f3b5986d7db6bb7 [2018-11-18 11:22:36,132 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:22:36,133 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:22:36,134 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:36,134 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:22:36,136 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:22:36,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,138 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36, skipping insertion in model container [2018-11-18 11:22:36,138 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:22:36,173 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:22:36,351 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:36,360 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:22:36,456 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:22:36,471 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:22:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36 WrapperNode [2018-11-18 11:22:36,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:22:36,471 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:36,472 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:22:36,472 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:22:36,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,511 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:22:36,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:22:36,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:22:36,512 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:22:36,518 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,523 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,527 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,528 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... [2018-11-18 11:22:36,530 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:22:36,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:22:36,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:22:36,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:22:36,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/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 11:22:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:22:36,574 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:22:36,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:22:37,017 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:22:37,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:37 BoogieIcfgContainer [2018-11-18 11:22:37,018 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:22:37,018 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 11:22:37,018 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 11:22:37,021 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 11:22:37,021 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:37,022 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 11:22:36" (1/3) ... [2018-11-18 11:22:37,022 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ccdbeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:22:37, skipping insertion in model container [2018-11-18 11:22:37,023 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:37,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:22:36" (2/3) ... [2018-11-18 11:22:37,023 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3ccdbeab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 11:22:37, skipping insertion in model container [2018-11-18 11:22:37,023 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 11:22:37,023 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:37" (3/3) ... [2018-11-18 11:22:37,024 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product10_true-unreach-call_false-termination.cil.c [2018-11-18 11:22:37,059 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 11:22:37,059 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 11:22:37,059 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 11:22:37,059 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 11:22:37,059 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:22:37,059 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:22:37,059 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 11:22:37,060 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:22:37,060 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 11:22:37,072 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 11:22:37,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 11:22:37,091 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:37,091 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:37,095 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:37,095 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 11:22:37,096 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 11:22:37,096 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 78 states. [2018-11-18 11:22:37,099 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 49 [2018-11-18 11:22:37,099 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:37,099 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:37,100 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:37,100 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 11:22:37,104 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 18#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 31#L856true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 47#L849true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 59#L864true main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 37#L534true assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 77#L507true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 68#L697-3true [2018-11-18 11:22:37,104 INFO L796 eck$LassoCheckResult]: Loop: 68#L697-3true assume true; 67#L697-1true assume !false; 28#L698true assume test_~splverifierCounter~0 < 4; 48#L699true test_~tmp~6 := test_#t~nondet56;havoc test_#t~nondet56; 51#L707true assume !(0 != test_~tmp~6); 56#L707-2true test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 32#L717true assume !(0 != test_~tmp___0~1); 39#L717-2true test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 8#L727true assume !(0 != test_~tmp___2~0);test_~tmp___1~0 := test_#t~nondet59;havoc test_#t~nondet59; 42#L735true assume 0 != test_~tmp___1~0; 23#L735-2true assume { :begin_inline_timeShift } true; 64#L561true assume !(0 != ~pumpRunning~0); 66#L561-2true assume !(0 != ~systemActive~0); 54#L568-1true assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 72#L829true __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 15#L51true assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 11#L51-1true assume { :end_inline___utac_acc__Specification4_spec__1 } true; 34#L578true assume { :end_inline_timeShift } true; 68#L697-3true [2018-11-18 11:22:37,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 11:22:37,111 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,276 INFO L82 PathProgramCache]: Analyzing trace with hash -22416588, now seen corresponding path program 1 times [2018-11-18 11:22:37,276 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,276 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,277 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,277 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,290 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1160224760, now seen corresponding path program 1 times [2018-11-18 11:22:37,290 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,290 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:22:37,423 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 11:22:37,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:22:37,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:22:37,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:22:37,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:22:37,510 INFO L87 Difference]: Start difference. First operand 78 states. Second operand 6 states. [2018-11-18 11:22:37,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:22:37,659 INFO L93 Difference]: Finished difference Result 75 states and 91 transitions. [2018-11-18 11:22:37,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:22:37,661 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 91 transitions. [2018-11-18 11:22:37,663 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 11:22:37,667 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 65 states and 81 transitions. [2018-11-18 11:22:37,668 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2018-11-18 11:22:37,668 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2018-11-18 11:22:37,669 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 81 transitions. [2018-11-18 11:22:37,670 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 11:22:37,670 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 11:22:37,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 81 transitions. [2018-11-18 11:22:37,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-11-18 11:22:37,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-11-18 11:22:37,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2018-11-18 11:22:37,691 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 11:22:37,691 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 81 transitions. [2018-11-18 11:22:37,691 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 11:22:37,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 81 transitions. [2018-11-18 11:22:37,692 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-11-18 11:22:37,692 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 11:22:37,692 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 11:22:37,693 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:22:37,693 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 11:22:37,693 INFO L794 eck$LassoCheckResult]: Stem: 223#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string20.base, #t~string20.offset := #Ultimate.alloc(30);call #t~string21.base, #t~string21.offset := #Ultimate.alloc(9);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(21);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(30);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(9);call #t~string25.base, #t~string25.offset := #Ultimate.alloc(21);call #t~string29.base, #t~string29.offset := #Ultimate.alloc(30);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(9);call #t~string31.base, #t~string31.offset := #Ultimate.alloc(25);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(30);call #t~string33.base, #t~string33.offset := #Ultimate.alloc(9);call #t~string34.base, #t~string34.offset := #Ultimate.alloc(25);call #t~string41.base, #t~string41.offset := #Ultimate.alloc(13);call #t~string43.base, #t~string43.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string43.base,#t~string43.offset := 79];#memory_int := #memory_int[#t~string43.base,1 + #t~string43.offset := 110];#memory_int := #memory_int[#t~string43.base,2 + #t~string43.offset := 0];call #t~string45.base, #t~string45.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string45.base,#t~string45.offset := 79];#memory_int := #memory_int[#t~string45.base,1 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,2 + #t~string45.offset := 102];#memory_int := #memory_int[#t~string45.base,3 + #t~string45.offset := 0];call #t~string47.base, #t~string47.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string47.base,#t~string47.offset := 44];#memory_int := #memory_int[#t~string47.base,1 + #t~string47.offset := 80];#memory_int := #memory_int[#t~string47.base,2 + #t~string47.offset := 117];#memory_int := #memory_int[#t~string47.base,3 + #t~string47.offset := 109];#memory_int := #memory_int[#t~string47.base,4 + #t~string47.offset := 112];#memory_int := #memory_int[#t~string47.base,5 + #t~string47.offset := 58];#memory_int := #memory_int[#t~string47.base,6 + #t~string47.offset := 0];call #t~string49.base, #t~string49.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string49.base,#t~string49.offset := 79];#memory_int := #memory_int[#t~string49.base,1 + #t~string49.offset := 110];#memory_int := #memory_int[#t~string49.base,2 + #t~string49.offset := 0];call #t~string51.base, #t~string51.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string51.base,#t~string51.offset := 79];#memory_int := #memory_int[#t~string51.base,1 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,2 + #t~string51.offset := 102];#memory_int := #memory_int[#t~string51.base,3 + #t~string51.offset := 0];call #t~string53.base, #t~string53.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string53.base,#t~string53.offset := 41];#memory_int := #memory_int[#t~string53.base,1 + #t~string53.offset := 32];#memory_int := #memory_int[#t~string53.base,2 + #t~string53.offset := 0];call #t~string55.base, #t~string55.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string55.base,#t~string55.offset := 10];#memory_int := #memory_int[#t~string55.base,1 + #t~string55.offset := 0];call #t~string61.base, #t~string61.offset := #Ultimate.alloc(13);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string63.base,#t~string63.offset := 44];#memory_int := #memory_int[#t~string63.base,1 + #t~string63.offset := 77];#memory_int := #memory_int[#t~string63.base,2 + #t~string63.offset := 101];#memory_int := #memory_int[#t~string63.base,3 + #t~string63.offset := 116];#memory_int := #memory_int[#t~string63.base,4 + #t~string63.offset := 104];#memory_int := #memory_int[#t~string63.base,5 + #t~string63.offset := 58];#memory_int := #memory_int[#t~string63.base,6 + #t~string63.offset := 0];call #t~string65.base, #t~string65.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string65.base,#t~string65.offset := 67];#memory_int := #memory_int[#t~string65.base,1 + #t~string65.offset := 82];#memory_int := #memory_int[#t~string65.base,2 + #t~string65.offset := 73];#memory_int := #memory_int[#t~string65.base,3 + #t~string65.offset := 84];#memory_int := #memory_int[#t~string65.base,4 + #t~string65.offset := 0];call #t~string67.base, #t~string67.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string67.base,#t~string67.offset := 79];#memory_int := #memory_int[#t~string67.base,1 + #t~string67.offset := 75];#memory_int := #memory_int[#t~string67.base,2 + #t~string67.offset := 0];call #t~string69.base, #t~string69.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string69.base,#t~string69.offset := 41];#memory_int := #memory_int[#t~string69.base,1 + #t~string69.offset := 0];~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0; 196#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret37, main_~retValue_acc~3, main_~tmp~4;havoc main_~retValue_acc~3;havoc main_~tmp~4;assume { :begin_inline_select_helpers } true; 197#L856 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 212#L849 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~9;havoc valid_product_~retValue_acc~9;valid_product_~retValue_acc~9 := 1;valid_product_#res := valid_product_~retValue_acc~9; 225#L864 main_#t~ret37 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~4 := main_#t~ret37;havoc main_#t~ret37; 219#L534 assume 0 != main_~tmp~4;assume { :begin_inline_setup } true; 220#L507 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet56, test_#t~nondet57, test_#t~nondet58, test_#t~nondet59, test_~splverifierCounter~0, test_~tmp~6, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~6;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 216#L697-3 [2018-11-18 11:22:37,694 INFO L796 eck$LassoCheckResult]: Loop: 216#L697-3 assume true; 233#L697-1 assume !false; 207#L698 assume test_~splverifierCounter~0 < 4; 208#L699 test_~tmp~6 := test_#t~nondet56;havoc test_#t~nondet56; 226#L707 assume !(0 != test_~tmp~6); 217#L707-2 test_~tmp___0~1 := test_#t~nondet57;havoc test_#t~nondet57; 213#L717 assume !(0 != test_~tmp___0~1); 215#L717-2 test_~tmp___2~0 := test_#t~nondet58;havoc test_#t~nondet58; 181#L727 assume 0 != test_~tmp___2~0;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 182#L683 assume { :end_inline_startSystem } true; 190#L735-2 assume { :begin_inline_timeShift } true; 203#L561 assume !(0 != ~pumpRunning~0); 188#L561-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 198#L585 assume { :end_inline_processEnvironment } true; 199#L568-1 assume { :begin_inline___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret0, __utac_acc__Specification4_spec__1_#t~ret1, __utac_acc__Specification4_spec__1_~tmp~0, __utac_acc__Specification4_spec__1_~tmp___0~0;havoc __utac_acc__Specification4_spec__1_~tmp~0;havoc __utac_acc__Specification4_spec__1_~tmp___0~0;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res;havoc getWaterLevel_~retValue_acc~7;havoc getWaterLevel_~retValue_acc~7;getWaterLevel_~retValue_acc~7 := ~waterLevel~0;getWaterLevel_#res := getWaterLevel_~retValue_acc~7; 230#L829 __utac_acc__Specification4_spec__1_#t~ret0 := getWaterLevel_#res;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~0 := __utac_acc__Specification4_spec__1_#t~ret0;havoc __utac_acc__Specification4_spec__1_#t~ret0; 191#L51 assume !(0 == __utac_acc__Specification4_spec__1_~tmp~0); 186#L51-1 assume { :end_inline___utac_acc__Specification4_spec__1 } true; 187#L578 assume { :end_inline_timeShift } true; 216#L697-3 [2018-11-18 11:22:37,694 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 11:22:37,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,694 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,695 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,695 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,744 INFO L82 PathProgramCache]: Analyzing trace with hash -486396203, now seen corresponding path program 1 times [2018-11-18 11:22:37,744 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,744 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,745 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 11:22:37,745 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,754 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:22:37,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1815747217, now seen corresponding path program 1 times [2018-11-18 11:22:37,754 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 11:22:37,754 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 11:22:37,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:22:37,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:22:37,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:22:37,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 11:23:22,287 WARN L180 SmtUtils]: Spent 44.38 s on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 11:23:43,935 WARN L180 SmtUtils]: Spent 21.65 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 11:23:44,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 11:23:44 BoogieIcfgContainer [2018-11-18 11:23:44,013 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 11:23:44,014 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:23:44,014 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:23:44,014 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:23:44,015 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:22:37" (3/4) ... [2018-11-18 11:23:44,017 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 11:23:44,056 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1909c9a4-363d-4bae-8ccf-8fa6e7179e41/bin-2019/uautomizer/witness.graphml [2018-11-18 11:23:44,056 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:23:44,057 INFO L168 Benchmark]: Toolchain (without parser) took 67924.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -56.1 MB). Peak memory consumption was 83.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,057 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:23:44,058 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,058 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,058 INFO L168 Benchmark]: Boogie Preprocessor took 17.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,058 INFO L168 Benchmark]: RCFGBuilder took 488.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,059 INFO L168 Benchmark]: BuchiAutomizer took 66994.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.7 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,059 INFO L168 Benchmark]: Witness Printer took 42.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:23:44,063 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 110.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -139.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.10 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.92 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 488.20 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 66994.95 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 29.4 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.7 MB). Peak memory consumption was 199.2 MB. Max. memory is 11.5 GB. * Witness Printer took 42.50 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 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 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 66.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 66.6s. 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 65 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 86 SDtfs, 260 SDslu, 4 SDs, 0 SdLazy, 8 SolverSat, 7 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: 697]: 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, ",Pump:"=0, "\n"=34, ",Meth:"=0, retValue_acc=0, "Pump(System:"=0, "Off"=0, "Env(Water:%i"=0, ",Meth:"=36, "On"=0, methaneLevelCritical=0, "CRIT"=0, ")"=0, "Pump(System:"=14, "libacc.c"=16, tmp=0, "OK"=0, tmp___1=0, "i > 0 && i <= this->argsCount"=20, "i > 0 && i <= this->argsCount"=24, "i > 0 && i <= this->argsCount"=28, tmp___0=0, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@748e7058=0, "__utac__get_this_argtype"=15, "__utac__get_this_arg"=22, "__utac__get_this_argtype"=18, "Off"=8, ") "=33, "__utac__get_this_arg"=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, NULL=0, systemActive=1, waterLevel=1, ")"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@77f9645c=0, \result=1, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@680c86f6=0, "On"=0, ",Pump:"=11, "\n"=0, ") "=0, \result=1, head=0, pumpRunning=0, "On"=29, \result=0, "libacc.c"=27, tmp=1, "libacc.c"=0, "Off"=0, "__utac__get_this_argtype"=0, "OK"=38, retValue_acc=1, "Env(Water:%i"=35, tmp=1, "__utac__get_this_arg"=26, retValue_acc=1, tmp___2=184, "libacc.c"=19, tmp___0=0, splverifierCounter=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@29dcb50c=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4f44358f=184, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5a275095=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@a79b2a2=0, head=0, "libacc.c"=23, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, "i > 0 && i <= this->argsCount"=17, "__utac__get_this_argtype"=0, "__utac__get_this_arg"=0, "On"=12, "CRIT"=37, "Off"=31} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 697]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L366] FCALL "i > 0 && i <= this->argsCount" [L366] FCALL "libacc.c" [L367] FCALL "__utac__get_this_arg" [L373] FCALL "i > 0 && i <= this->argsCount" [L373] FCALL "libacc.c" [L374] FCALL "__utac__get_this_arg" [L412] FCALL "i > 0 && i <= this->argsCount" [L412] FCALL "libacc.c" [L413] FCALL "__utac__get_this_argtype" [L419] FCALL "i > 0 && i <= this->argsCount" [L419] FCALL "libacc.c" [L420] FCALL "__utac__get_this_argtype" [L647] FCALL "Pump(System:" [L651] FCALL "On" [L655] FCALL "Off" [L659] FCALL ",Pump:" [L663] FCALL "On" [L667] FCALL "Off" [L671] FCALL ") " [L673] FCALL "\n" [L806] FCALL "Env(Water:%i" [L807] FCALL ",Meth:" [L811] FCALL "CRIT" [L815] FCALL "OK" [L819] FCALL ")" [L444] int cleanupTimeShifts = 4; [L554] int pumpRunning = 0; [L555] int systemActive = 1; [L754] int waterLevel = 1; [L755] int methaneLevelCritical = 0; [L238] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L525] int retValue_acc ; [L526] int tmp ; [L530] FCALL select_helpers() [L531] FCALL select_features() [L532] CALL, EXPR valid_product() [L860] int retValue_acc ; [L863] retValue_acc = 1 [L864] RET return (retValue_acc); [L532] EXPR valid_product() [L532] tmp = valid_product() [L534] COND TRUE \read(tmp) [L536] FCALL setup() [L537] CALL runTest() [L516] CALL test() [L688] int splverifierCounter ; [L689] int tmp ; [L690] int tmp___0 ; [L691] int tmp___1 ; [L692] int tmp___2 ; [L695] splverifierCounter = 0 Loop: [L697] COND TRUE 1 [L699] COND TRUE splverifierCounter < 4 [L705] tmp = __VERIFIER_nondet_int() [L707] COND FALSE !(\read(tmp)) [L715] tmp___0 = __VERIFIER_nondet_int() [L717] COND FALSE !(\read(tmp___0)) [L725] tmp___2 = __VERIFIER_nondet_int() [L727] COND TRUE \read(tmp___2) [L729] CALL startSystem() [L682] RET systemActive = 1 [L729] startSystem() [L742] CALL timeShift() [L561] COND FALSE !(\read(pumpRunning)) [L568] COND TRUE \read(systemActive) [L570] FCALL processEnvironment() [L576] CALL __utac_acc__Specification4_spec__1() [L44] int tmp ; [L45] int tmp___0 ; [L49] CALL, EXPR getWaterLevel() [L825] int retValue_acc ; [L828] retValue_acc = waterLevel [L829] RET return (retValue_acc); [L49] EXPR getWaterLevel() [L49] tmp = getWaterLevel() [L51] COND FALSE, RET !(tmp == 0) [L576] RET __utac_acc__Specification4_spec__1() [L742] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...