./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/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 28a54042f1f5566756557cd1279c2453038441ec ........................................................................................................................................................................................................................................................................................................................................................ 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 0.1.23-635dfa2 [2018-12-09 09:43:21,474 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 09:43:21,475 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 09:43:21,480 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 09:43:21,480 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 09:43:21,481 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 09:43:21,482 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 09:43:21,482 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 09:43:21,483 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 09:43:21,484 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 09:43:21,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 09:43:21,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 09:43:21,485 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 09:43:21,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 09:43:21,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 09:43:21,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 09:43:21,486 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 09:43:21,487 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 09:43:21,488 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 09:43:21,489 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 09:43:21,489 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 09:43:21,490 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 09:43:21,491 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 09:43:21,491 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 09:43:21,491 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 09:43:21,492 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 09:43:21,492 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 09:43:21,493 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 09:43:21,493 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 09:43:21,494 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 09:43:21,494 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 09:43:21,494 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 09:43:21,494 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 09:43:21,494 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 09:43:21,495 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 09:43:21,495 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 09:43:21,495 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-12-09 09:43:21,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 09:43:21,503 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 09:43:21,504 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 09:43:21,504 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 09:43:21,504 INFO L133 SettingsManager]: * Use SBE=true [2018-12-09 09:43:21,504 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-12-09 09:43:21,505 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-12-09 09:43:21,505 INFO L133 SettingsManager]: * Use old map elimination=false [2018-12-09 09:43:21,505 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-12-09 09:43:21,505 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-12-09 09:43:21,505 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-12-09 09:43:21,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-12-09 09:43:21,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 09:43:21,507 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-12-09 09:43:21,508 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 09:43:21,508 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 09:43:21,508 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-12-09 09:43:21,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 09:43:21,508 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-09 09:43:21,508 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-12-09 09:43:21,509 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-12-09 09:43:21,509 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_407d1ea6-7195-4fa0-bd27-54fd538068cd/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 -> 28a54042f1f5566756557cd1279c2453038441ec [2018-12-09 09:43:21,531 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 09:43:21,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 09:43:21,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 09:43:21,544 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 09:43:21,544 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 09:43:21,544 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-09 09:43:21,584 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/data/2a4495197/2e899beaafec4b09a2a88f79e575d17a/FLAG1ffa4e3c1 [2018-12-09 09:43:21,998 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 09:43:21,998 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/sv-benchmarks/c/product-lines/minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-09 09:43:22,004 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/data/2a4495197/2e899beaafec4b09a2a88f79e575d17a/FLAG1ffa4e3c1 [2018-12-09 09:43:22,013 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/data/2a4495197/2e899beaafec4b09a2a88f79e575d17a [2018-12-09 09:43:22,015 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 09:43:22,016 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 09:43:22,016 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 09:43:22,016 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 09:43:22,019 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 09:43:22,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1440f9f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22, skipping insertion in model container [2018-12-09 09:43:22,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 09:43:22,050 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 09:43:22,219 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:43:22,269 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 09:43:22,321 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 09:43:22,337 INFO L195 MainTranslator]: Completed translation [2018-12-09 09:43:22,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22 WrapperNode [2018-12-09 09:43:22,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 09:43:22,338 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 09:43:22,338 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 09:43:22,338 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 09:43:22,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,352 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,369 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 09:43:22,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 09:43:22,370 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 09:43:22,370 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 09:43:22,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,378 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,378 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,381 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,386 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... [2018-12-09 09:43:22,388 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 09:43:22,389 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 09:43:22,389 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 09:43:22,389 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 09:43:22,389 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/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 [2018-12-09 09:43:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 09:43:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 09:43:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 09:43:22,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 09:43:22,736 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 09:43:22,736 INFO L280 CfgBuilder]: Removed 98 assue(true) statements. [2018-12-09 09:43:22,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:22 BoogieIcfgContainer [2018-12-09 09:43:22,736 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 09:43:22,737 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-12-09 09:43:22,737 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-12-09 09:43:22,739 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-12-09 09:43:22,739 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:43:22,739 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.12 09:43:22" (1/3) ... [2018-12-09 09:43:22,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38ed42fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:43:22, skipping insertion in model container [2018-12-09 09:43:22,740 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:43:22,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 09:43:22" (2/3) ... [2018-12-09 09:43:22,740 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@38ed42fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.12 09:43:22, skipping insertion in model container [2018-12-09 09:43:22,740 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-12-09 09:43:22,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:22" (3/3) ... [2018-12-09 09:43:22,741 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product26_true-unreach-call_false-termination.cil.c [2018-12-09 09:43:22,771 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 09:43:22,772 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-12-09 09:43:22,772 INFO L375 BuchiCegarLoop]: Hoare is false [2018-12-09 09:43:22,772 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-12-09 09:43:22,772 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 09:43:22,772 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 09:43:22,772 INFO L379 BuchiCegarLoop]: Difference is false [2018-12-09 09:43:22,772 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 09:43:22,772 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-12-09 09:43:22,781 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-12-09 09:43:22,797 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-12-09 09:43:22,798 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:43:22,798 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:43:22,805 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 09:43:22,805 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:22,805 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-12-09 09:43:22,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 72 states. [2018-12-09 09:43:22,808 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 45 [2018-12-09 09:43:22,808 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:43:22,808 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:43:22,809 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 09:43:22,809 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:22,813 INFO L794 eck$LassoCheckResult]: Stem: 44#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25); 14#L-1true havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 20#L65true havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 12#L73true main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 72#L287true assume 0 != main_~tmp~1; 7#L263true havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 65#L184-1true [2018-12-09 09:43:22,814 INFO L796 eck$LassoCheckResult]: Loop: 65#L184-1true assume !false; 24#L859true assume test_~splverifierCounter~0 < 4; 48#L860true test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 50#L868true assume !(0 != test_~tmp~8); 52#L868-1true test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 29#L878true assume !(0 != test_~tmp___0~2); 30#L878-1true test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 4#L888true assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 16#L896-2true assume !(0 != ~pumpRunning~0); 31#L311true assume !(0 != ~systemActive~0); 17#L318true havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 45#L128true __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 66#L184true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 65#L184-1true [2018-12-09 09:43:22,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:22,818 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 1 times [2018-12-09 09:43:22,819 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:43:22,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:43:22,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:22,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:22,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:22,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:22,951 INFO L82 PathProgramCache]: Analyzing trace with hash -1680729469, now seen corresponding path program 1 times [2018-12-09 09:43:22,951 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:43:22,951 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:43:22,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:22,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:22,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 09:43:22,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 09:43:22,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 09:43:22,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 09:43:22,982 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-12-09 09:43:22,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 09:43:22,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 09:43:22,992 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 3 states. [2018-12-09 09:43:23,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 09:43:23,020 INFO L93 Difference]: Finished difference Result 72 states and 98 transitions. [2018-12-09 09:43:23,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 09:43:23,021 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 98 transitions. [2018-12-09 09:43:23,023 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-09 09:43:23,025 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 65 states and 90 transitions. [2018-12-09 09:43:23,026 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 65 [2018-12-09 09:43:23,026 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 65 [2018-12-09 09:43:23,027 INFO L73 IsDeterministic]: Start isDeterministic. Operand 65 states and 90 transitions. [2018-12-09 09:43:23,027 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-12-09 09:43:23,027 INFO L705 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-09 09:43:23,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states and 90 transitions. [2018-12-09 09:43:23,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-12-09 09:43:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-12-09 09:43:23,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 90 transitions. [2018-12-09 09:43:23,045 INFO L728 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-09 09:43:23,045 INFO L608 BuchiCegarLoop]: Abstraction has 65 states and 90 transitions. [2018-12-09 09:43:23,045 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-12-09 09:43:23,045 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 90 transitions. [2018-12-09 09:43:23,046 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 43 [2018-12-09 09:43:23,046 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-12-09 09:43:23,046 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-12-09 09:43:23,046 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-12-09 09:43:23,046 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 09:43:23,046 INFO L794 eck$LassoCheckResult]: Stem: 207#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;call #t~string2.base, #t~string2.offset := #Ultimate.alloc(13);call #t~string4.base, #t~string4.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string4.base, #t~string4.offset, 1);call write~init~int(77, #t~string4.base, 1 + #t~string4.offset, 1);call write~init~int(101, #t~string4.base, 2 + #t~string4.offset, 1);call write~init~int(116, #t~string4.base, 3 + #t~string4.offset, 1);call write~init~int(104, #t~string4.base, 4 + #t~string4.offset, 1);call write~init~int(58, #t~string4.base, 5 + #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 6 + #t~string4.offset, 1);call #t~string6.base, #t~string6.offset := #Ultimate.alloc(5);call write~init~int(67, #t~string6.base, #t~string6.offset, 1);call write~init~int(82, #t~string6.base, 1 + #t~string6.offset, 1);call write~init~int(73, #t~string6.base, 2 + #t~string6.offset, 1);call write~init~int(84, #t~string6.base, 3 + #t~string6.offset, 1);call write~init~int(0, #t~string6.base, 4 + #t~string6.offset, 1);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(75, #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(2);call write~init~int(41, #t~string10.base, #t~string10.offset, 1);call write~init~int(0, #t~string10.base, 1 + #t~string10.offset, 1);~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;call #t~string18.base, #t~string18.offset := #Ultimate.alloc(13);call #t~string20.base, #t~string20.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string20.base, #t~string20.offset, 1);call write~init~int(110, #t~string20.base, 1 + #t~string20.offset, 1);call write~init~int(0, #t~string20.base, 2 + #t~string20.offset, 1);call #t~string22.base, #t~string22.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string22.base, #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 1 + #t~string22.offset, 1);call write~init~int(102, #t~string22.base, 2 + #t~string22.offset, 1);call write~init~int(0, #t~string22.base, 3 + #t~string22.offset, 1);call #t~string24.base, #t~string24.offset := #Ultimate.alloc(7);call write~init~int(44, #t~string24.base, #t~string24.offset, 1);call write~init~int(80, #t~string24.base, 1 + #t~string24.offset, 1);call write~init~int(117, #t~string24.base, 2 + #t~string24.offset, 1);call write~init~int(109, #t~string24.base, 3 + #t~string24.offset, 1);call write~init~int(112, #t~string24.base, 4 + #t~string24.offset, 1);call write~init~int(58, #t~string24.base, 5 + #t~string24.offset, 1);call write~init~int(0, #t~string24.base, 6 + #t~string24.offset, 1);call #t~string26.base, #t~string26.offset := #Ultimate.alloc(3);call write~init~int(79, #t~string26.base, #t~string26.offset, 1);call write~init~int(110, #t~string26.base, 1 + #t~string26.offset, 1);call write~init~int(0, #t~string26.base, 2 + #t~string26.offset, 1);call #t~string28.base, #t~string28.offset := #Ultimate.alloc(4);call write~init~int(79, #t~string28.base, #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 1 + #t~string28.offset, 1);call write~init~int(102, #t~string28.base, 2 + #t~string28.offset, 1);call write~init~int(0, #t~string28.base, 3 + #t~string28.offset, 1);call #t~string30.base, #t~string30.offset := #Ultimate.alloc(3);call write~init~int(41, #t~string30.base, #t~string30.offset, 1);call write~init~int(32, #t~string30.base, 1 + #t~string30.offset, 1);call write~init~int(0, #t~string30.base, 2 + #t~string30.offset, 1);call #t~string32.base, #t~string32.offset := #Ultimate.alloc(2);call write~init~int(10, #t~string32.base, #t~string32.offset, 1);call write~init~int(0, #t~string32.base, 1 + #t~string32.offset, 1);~head~0.base, ~head~0.offset := 0, 0;call #t~string52.base, #t~string52.offset := #Ultimate.alloc(30);call #t~string53.base, #t~string53.offset := #Ultimate.alloc(9);call #t~string54.base, #t~string54.offset := #Ultimate.alloc(21);call #t~string55.base, #t~string55.offset := #Ultimate.alloc(30);call #t~string56.base, #t~string56.offset := #Ultimate.alloc(9);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(21);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(30);call #t~string62.base, #t~string62.offset := #Ultimate.alloc(9);call #t~string63.base, #t~string63.offset := #Ultimate.alloc(25);call #t~string64.base, #t~string64.offset := #Ultimate.alloc(30);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(9);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(25); 177#L-1 havoc main_#res;havoc main_#t~ret13, main_~retValue_acc~5, main_~tmp~1;havoc main_~retValue_acc~5;havoc main_~tmp~1; 178#L65 havoc valid_product_#res;havoc valid_product_~retValue_acc~1;havoc valid_product_~retValue_acc~1;valid_product_~retValue_acc~1 := 1;valid_product_#res := valid_product_~retValue_acc~1; 172#L73 main_#t~ret13 := valid_product_#res;main_~tmp~1 := main_#t~ret13;havoc main_#t~ret13; 173#L287 assume 0 != main_~tmp~1; 163#L263 havoc test_#t~nondet69, test_#t~nondet70, test_#t~nondet71, test_#t~nondet72, test_~splverifierCounter~0, test_~tmp~8, test_~tmp___0~2, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~8;havoc test_~tmp___0~2;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 164#L184-1 [2018-12-09 09:43:23,047 INFO L796 eck$LassoCheckResult]: Loop: 164#L184-1 assume !false; 185#L859 assume test_~splverifierCounter~0 < 4; 186#L860 test_~tmp~8 := test_#t~nondet69;havoc test_#t~nondet69; 211#L868 assume !(0 != test_~tmp~8); 195#L868-1 test_~tmp___0~2 := test_#t~nondet70;havoc test_#t~nondet70; 190#L878 assume !(0 != test_~tmp___0~2); 191#L878-1 test_~tmp___2~0 := test_#t~nondet71;havoc test_#t~nondet71; 155#L888 assume 0 != test_~tmp___2~0;~systemActive~0 := 1; 156#L896-2 assume !(0 != ~pumpRunning~0); 159#L311 assume 0 != ~systemActive~0;havoc processEnvironment_#t~ret14, processEnvironment_~tmp~2;havoc processEnvironment_~tmp~2; 160#L343 assume !(0 != ~pumpRunning~0); 162#L318 havoc __utac_acc__Specification1_spec__1_#t~ret11, __utac_acc__Specification1_spec__1_#t~ret12, __utac_acc__Specification1_spec__1_~tmp~0, __utac_acc__Specification1_spec__1_~tmp___0~0;havoc __utac_acc__Specification1_spec__1_~tmp~0;havoc __utac_acc__Specification1_spec__1_~tmp___0~0;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~2;havoc isMethaneLevelCritical_~retValue_acc~2;isMethaneLevelCritical_~retValue_acc~2 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~2; 180#L128 __utac_acc__Specification1_spec__1_#t~ret11 := isMethaneLevelCritical_#res;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret11;havoc __utac_acc__Specification1_spec__1_#t~ret11; 205#L184 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 164#L184-1 [2018-12-09 09:43:23,047 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:23,047 INFO L82 PathProgramCache]: Analyzing trace with hash 889506727, now seen corresponding path program 2 times [2018-12-09 09:43:23,047 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:43:23,047 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:43:23,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:23,048 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:23,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:23,088 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:23,088 INFO L82 PathProgramCache]: Analyzing trace with hash -589998917, now seen corresponding path program 1 times [2018-12-09 09:43:23,088 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:43:23,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:43:23,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,089 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 09:43:23,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:23,096 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 09:43:23,097 INFO L82 PathProgramCache]: Analyzing trace with hash 1013040609, now seen corresponding path program 1 times [2018-12-09 09:43:23,097 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-09 09:43:23,097 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-09 09:43:23,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 09:43:23,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 09:43:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 09:43:26,933 WARN L180 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 425 DAG size of output: 423 [2018-12-09 09:43:28,679 WARN L180 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 423 [2018-12-09 09:43:28,709 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.12 09:43:28 BoogieIcfgContainer [2018-12-09 09:43:28,709 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-12-09 09:43:28,710 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 09:43:28,710 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 09:43:28,710 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 09:43:28,710 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 09:43:22" (3/4) ... [2018-12-09 09:43:28,712 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-12-09 09:43:28,738 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_407d1ea6-7195-4fa0-bd27-54fd538068cd/bin-2019/uautomizer/witness.graphml [2018-12-09 09:43:28,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 09:43:28,739 INFO L168 Benchmark]: Toolchain (without parser) took 6723.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 950.6 MB in the beginning and 931.7 MB in the end (delta: 18.9 MB). Peak memory consumption was 177.8 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,740 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 09:43:28,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,741 INFO L168 Benchmark]: Boogie Preprocessor took 18.89 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. [2018-12-09 09:43:28,741 INFO L168 Benchmark]: RCFGBuilder took 347.83 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,741 INFO L168 Benchmark]: BuchiAutomizer took 5972.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 938.7 MB in the end (delta: 108.8 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,741 INFO L168 Benchmark]: Witness Printer took 29.15 ms. Allocated memory is still 1.2 GB. Free memory was 938.7 MB in the beginning and 931.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 09:43:28,743 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.45 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -151.5 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.31 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.89 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 347.83 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: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 5972.60 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 46.1 MB). Free memory was 1.0 GB in the beginning and 938.7 MB in the end (delta: 108.8 MB). Peak memory consumption was 254.5 MB. Max. memory is 11.5 GB. * Witness Printer took 29.15 ms. Allocated memory is still 1.2 GB. Free memory was 938.7 MB in the beginning and 931.7 MB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 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 3 locations. The remainder module has 65 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 5.8s. Construction of modules took 0.0s. 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: 95 SDtfs, 95 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc0 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: 858]: 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=19, NULL=34, NULL=0, retValue_acc=0, NULL=0, NULL=43, NULL=31, NULL=39, methaneLevelCritical=0, NULL=20, NULL=0, NULL=0, NULL=24, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@322e274e=0, tmp___1=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=17, tmp___0=0, NULL=12, cleanupTimeShifts=4, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@442bb3e6=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3d5a923c=0, NULL=29, NULL=0, systemActive=1, waterLevel=1, NULL=0, NULL=0, retValue_acc=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=0, NULL=23, \result=1, NULL=18, head=0, pumpRunning=0, NULL=42, \result=0, NULL=36, NULL=38, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4fa46991=0, NULL=0, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@26e80f7d=0, NULL=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@1377904a=56, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@38dffbfc=0, NULL=16, retValue_acc=1, tmp___2=56, tmp___0=0, NULL=8, NULL=14, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@535dcf49=0, splverifierCounter=0, \result=0, NULL=22, tmp=0, head=0, NULL=0, NULL=0, NULL=15, NULL=0, NULL=0, NULL=11, NULL=0, NULL=37, NULL=33, NULL=35} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 1]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L85] int waterLevel = 1; [L86] int methaneLevelCritical = 0; [L202] int cleanupTimeShifts = 4; [L304] int pumpRunning = 0; [L305] int systemActive = 1; [L651] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L278] int retValue_acc ; [L279] int tmp ; [L69] int retValue_acc ; [L72] retValue_acc = 1 [L73] return (retValue_acc); [L285] tmp = valid_product() [L287] COND TRUE \read(tmp) [L849] int splverifierCounter ; [L850] int tmp ; [L851] int tmp___0 ; [L852] int tmp___1 ; [L853] int tmp___2 ; [L856] splverifierCounter = 0 Loop: [L858] COND TRUE 1 [L860] COND TRUE splverifierCounter < 4 [L866] tmp = __VERIFIER_nondet_int() [L868] COND FALSE !(\read(tmp)) [L876] tmp___0 = __VERIFIER_nondet_int() [L878] COND FALSE !(\read(tmp___0)) [L886] tmp___2 = __VERIFIER_nondet_int() [L888] COND TRUE \read(tmp___2) [L477] systemActive = 1 [L311] COND FALSE !(\read(pumpRunning)) [L318] COND TRUE \read(systemActive) [L340] int tmp ; [L343] COND FALSE !(\read(pumpRunning)) [L177] int tmp ; [L178] int tmp___0 ; [L124] int retValue_acc ; [L127] retValue_acc = methaneLevelCritical [L128] return (retValue_acc); [L182] tmp = isMethaneLevelCritical() [L184] COND FALSE !(\read(tmp)) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...