./Ultimate.py --spec ../../sv-benchmarks/c/Termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_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_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/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 216d00aaae39a5385dce6e868b43ee8cd776a043 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM) --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 14:33:30,332 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 14:33:30,333 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 14:33:30,341 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 14:33:30,341 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 14:33:30,342 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 14:33:30,343 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 14:33:30,344 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 14:33:30,345 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 14:33:30,345 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 14:33:30,346 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 14:33:30,346 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 14:33:30,347 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 14:33:30,348 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 14:33:30,348 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 14:33:30,349 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 14:33:30,349 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 14:33:30,351 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 14:33:30,352 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 14:33:30,353 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 14:33:30,354 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 14:33:30,354 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 14:33:30,356 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 14:33:30,356 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 14:33:30,356 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 14:33:30,357 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 14:33:30,357 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 14:33:30,358 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 14:33:30,359 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 14:33:30,360 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 14:33:30,360 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 14:33:30,360 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 14:33:30,361 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 14:33:30,361 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 14:33:30,361 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 14:33:30,362 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 14:33:30,362 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2018-11-18 14:33:30,372 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 14:33:30,372 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 14:33:30,373 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 14:33:30,373 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 14:33:30,374 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-18 14:33:30,374 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-18 14:33:30,375 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 14:33:30,375 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 14:33:30,376 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-18 14:33:30,377 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 14:33:30,377 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 14:33:30,377 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-18 14:33:30,377 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 14:33:30,377 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 14:33:30,377 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-18 14:33:30,378 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-18 14:33:30,378 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_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/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 -> 216d00aaae39a5385dce6e868b43ee8cd776a043 [2018-11-18 14:33:30,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 14:33:30,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 14:33:30,408 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 14:33:30,409 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 14:33:30,410 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 14:33:30,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:33:30,442 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/data/616a78093/85de27bcba354f8980f0bdca01c7fa1f/FLAGf5d5b8331 [2018-11-18 14:33:30,863 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 14:33:30,863 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/sv-benchmarks/c/product-lines/minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:33:30,869 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/data/616a78093/85de27bcba354f8980f0bdca01c7fa1f/FLAGf5d5b8331 [2018-11-18 14:33:30,878 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/data/616a78093/85de27bcba354f8980f0bdca01c7fa1f [2018-11-18 14:33:30,879 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 14:33:30,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 14:33:30,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 14:33:30,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 14:33:30,883 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 14:33:30,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:33:30" (1/1) ... [2018-11-18 14:33:30,885 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:30, skipping insertion in model container [2018-11-18 14:33:30,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 02:33:30" (1/1) ... [2018-11-18 14:33:30,890 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 14:33:30,919 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 14:33:31,111 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:33:31,120 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 14:33:31,221 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 14:33:31,244 INFO L195 MainTranslator]: Completed translation [2018-11-18 14:33:31,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31 WrapperNode [2018-11-18 14:33:31,245 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 14:33:31,246 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 14:33:31,246 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 14:33:31,246 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 14:33:31,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 14:33:31,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 14:33:31,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 14:33:31,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 14:33:31,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,307 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,307 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,314 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,322 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... [2018-11-18 14:33:31,325 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 14:33:31,326 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 14:33:31,326 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 14:33:31,326 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 14:33:31,326 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-18 14:33:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 14:33:31,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 14:33:31,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 14:33:31,881 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 14:33:31,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:33:31 BoogieIcfgContainer [2018-11-18 14:33:31,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 14:33:31,882 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-18 14:33:31,882 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-18 14:33:31,884 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-18 14:33:31,885 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:33:31,885 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 02:33:30" (1/3) ... [2018-11-18 14:33:31,886 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c5f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:33:31, skipping insertion in model container [2018-11-18 14:33:31,886 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:33:31,886 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 02:33:31" (2/3) ... [2018-11-18 14:33:31,887 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@32c5f11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 02:33:31, skipping insertion in model container [2018-11-18 14:33:31,887 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-18 14:33:31,887 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:33:31" (3/3) ... [2018-11-18 14:33:31,889 INFO L375 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product59_true-unreach-call_false-termination.cil.c [2018-11-18 14:33:31,934 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 14:33:31,934 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-18 14:33:31,934 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-18 14:33:31,935 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-18 14:33:31,935 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 14:33:31,935 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 14:33:31,935 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-18 14:33:31,935 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 14:33:31,935 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-18 14:33:31,951 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 14:33:31,977 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-18 14:33:31,977 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:33:31,978 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:33:31,984 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:31,984 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:31,984 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-18 14:33:31,984 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 192 states. [2018-11-18 14:33:31,989 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 126 [2018-11-18 14:33:31,989 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:33:31,989 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:33:31,989 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:31,990 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:31,993 INFO L794 eck$LassoCheckResult]: Stem: 159#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 14#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 41#L882true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 178#L875true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 62#L890true main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 168#L977true assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 22#L954true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 96#L201-3true [2018-11-18 14:33:31,994 INFO L796 eck$LassoCheckResult]: Loop: 96#L201-3true assume true; 104#L201-1true assume !false; 57#L202true assume test_~splverifierCounter~0 < 4; 193#L203true test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 190#L211true assume !(0 != test_~tmp~1); 188#L211-2true test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 55#L221true assume !(0 != test_~tmp___0~1); 52#L221-2true test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 146#L231true assume 0 != test_~tmp___2~0; 114#L237-2true assume { :begin_inline_timeShift } true; 60#L268true assume !(0 != ~pumpRunning~0); 58#L268-2true assume !(0 != ~systemActive~0); 147#L275-1true assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __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;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 132#L91-2true __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 42#L161true assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 39#L161-1true assume { :end_inline___utac_acc__Specification1_spec__1 } true; 11#L285true assume { :end_inline_timeShift } true; 96#L201-3true [2018-11-18 14:33:31,998 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:31,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2018-11-18 14:33:32,000 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,000 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,154 INFO L82 PathProgramCache]: Analyzing trace with hash -545943917, now seen corresponding path program 1 times [2018-11-18 14:33:32,155 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,155 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1477625521, now seen corresponding path program 1 times [2018-11-18 14:33:32,167 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,167 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:32,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:32,283 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:33:32,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 14:33:32,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 14:33:32,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-11-18 14:33:32,358 INFO L87 Difference]: Start difference. First operand 192 states. Second operand 6 states. [2018-11-18 14:33:32,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:33:32,544 INFO L93 Difference]: Finished difference Result 437 states and 569 transitions. [2018-11-18 14:33:32,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 14:33:32,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 437 states and 569 transitions. [2018-11-18 14:33:32,553 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 285 [2018-11-18 14:33:32,559 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 437 states to 407 states and 539 transitions. [2018-11-18 14:33:32,560 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 407 [2018-11-18 14:33:32,562 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 407 [2018-11-18 14:33:32,562 INFO L73 IsDeterministic]: Start isDeterministic. Operand 407 states and 539 transitions. [2018-11-18 14:33:32,564 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:33:32,564 INFO L705 BuchiCegarLoop]: Abstraction has 407 states and 539 transitions. [2018-11-18 14:33:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states and 539 transitions. [2018-11-18 14:33:32,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 233. [2018-11-18 14:33:32,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-11-18 14:33:32,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 308 transitions. [2018-11-18 14:33:32,599 INFO L728 BuchiCegarLoop]: Abstraction has 233 states and 308 transitions. [2018-11-18 14:33:32,599 INFO L608 BuchiCegarLoop]: Abstraction has 233 states and 308 transitions. [2018-11-18 14:33:32,599 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-18 14:33:32,599 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 233 states and 308 transitions. [2018-11-18 14:33:32,601 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 164 [2018-11-18 14:33:32,601 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:33:32,601 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:33:32,602 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:32,602 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, 1, 1, 1] [2018-11-18 14:33:32,602 INFO L794 eck$LassoCheckResult]: Stem: 814#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 665#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 666#L882 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 712#L875 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 739#L890 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 740#L977 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 682#L954 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 661#L201-3 [2018-11-18 14:33:32,602 INFO L796 eck$LassoCheckResult]: Loop: 661#L201-3 assume true; 769#L201-1 assume !false; 734#L202 assume test_~splverifierCounter~0 < 4; 735#L203 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 826#L211 assume !(0 != test_~tmp~1); 816#L211-2 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 732#L221 assume !(0 != test_~tmp___0~1); 728#L221-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 729#L231 assume 0 != test_~tmp___2~0; 785#L237-2 assume { :begin_inline_timeShift } true; 738#L268 assume !(0 != ~pumpRunning~0); 736#L268-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 715#L326 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 717#L300-2 assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 789#L292-3 assume { :end_inline_processEnvironment__wrappee__base } true; 781#L300-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 723#L326-1 assume { :end_inline_processEnvironment } true; 724#L275-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __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;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 800#L91-2 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 713#L161 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 711#L161-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 660#L285 assume { :end_inline_timeShift } true; 661#L201-3 [2018-11-18 14:33:32,603 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2018-11-18 14:33:32,603 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,603 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,604 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,604 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1676301556, now seen corresponding path program 1 times [2018-11-18 14:33:32,644 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,645 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,645 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,645 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:33:32,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 14:33:32,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 14:33:32,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 14:33:32,664 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 14:33:32,664 INFO L811 eck$LassoCheckResult]: loop already infeasible [2018-11-18 14:33:32,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 14:33:32,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 14:33:32,665 INFO L87 Difference]: Start difference. First operand 233 states and 308 transitions. cyclomatic complexity: 78 Second operand 3 states. [2018-11-18 14:33:32,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 14:33:32,757 INFO L93 Difference]: Finished difference Result 291 states and 367 transitions. [2018-11-18 14:33:32,757 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 14:33:32,757 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 291 states and 367 transitions. [2018-11-18 14:33:32,759 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 14:33:32,761 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 291 states to 291 states and 367 transitions. [2018-11-18 14:33:32,762 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 291 [2018-11-18 14:33:32,762 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 291 [2018-11-18 14:33:32,762 INFO L73 IsDeterministic]: Start isDeterministic. Operand 291 states and 367 transitions. [2018-11-18 14:33:32,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-18 14:33:32,763 INFO L705 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 14:33:32,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states and 367 transitions. [2018-11-18 14:33:32,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-11-18 14:33:32,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-11-18 14:33:32,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 367 transitions. [2018-11-18 14:33:32,773 INFO L728 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 14:33:32,773 INFO L608 BuchiCegarLoop]: Abstraction has 291 states and 367 transitions. [2018-11-18 14:33:32,773 INFO L442 BuchiCegarLoop]: ======== Iteration 3============ [2018-11-18 14:33:32,773 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 291 states and 367 transitions. [2018-11-18 14:33:32,775 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 209 [2018-11-18 14:33:32,775 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-18 14:33:32,775 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-18 14:33:32,775 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:32,775 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 14:33:32,776 INFO L794 eck$LassoCheckResult]: Stem: 1359#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string1.base, #t~string1.offset := #Ultimate.alloc(13);call #t~string3.base, #t~string3.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string3.base,#t~string3.offset := 44];#memory_int := #memory_int[#t~string3.base,1 + #t~string3.offset := 77];#memory_int := #memory_int[#t~string3.base,2 + #t~string3.offset := 101];#memory_int := #memory_int[#t~string3.base,3 + #t~string3.offset := 116];#memory_int := #memory_int[#t~string3.base,4 + #t~string3.offset := 104];#memory_int := #memory_int[#t~string3.base,5 + #t~string3.offset := 58];#memory_int := #memory_int[#t~string3.base,6 + #t~string3.offset := 0];call #t~string5.base, #t~string5.offset := #Ultimate.alloc(5);#memory_int := #memory_int[#t~string5.base,#t~string5.offset := 67];#memory_int := #memory_int[#t~string5.base,1 + #t~string5.offset := 82];#memory_int := #memory_int[#t~string5.base,2 + #t~string5.offset := 73];#memory_int := #memory_int[#t~string5.base,3 + #t~string5.offset := 84];#memory_int := #memory_int[#t~string5.base,4 + #t~string5.offset := 0];call #t~string7.base, #t~string7.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string7.base,#t~string7.offset := 79];#memory_int := #memory_int[#t~string7.base,1 + #t~string7.offset := 75];#memory_int := #memory_int[#t~string7.base,2 + #t~string7.offset := 0];call #t~string9.base, #t~string9.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string9.base,#t~string9.offset := 41];#memory_int := #memory_int[#t~string9.base,1 + #t~string9.offset := 0];call #t~string21.base, #t~string21.offset := #Ultimate.alloc(13);call #t~string23.base, #t~string23.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string23.base,#t~string23.offset := 79];#memory_int := #memory_int[#t~string23.base,1 + #t~string23.offset := 110];#memory_int := #memory_int[#t~string23.base,2 + #t~string23.offset := 0];call #t~string25.base, #t~string25.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string25.base,#t~string25.offset := 79];#memory_int := #memory_int[#t~string25.base,1 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,2 + #t~string25.offset := 102];#memory_int := #memory_int[#t~string25.base,3 + #t~string25.offset := 0];call #t~string27.base, #t~string27.offset := #Ultimate.alloc(7);#memory_int := #memory_int[#t~string27.base,#t~string27.offset := 44];#memory_int := #memory_int[#t~string27.base,1 + #t~string27.offset := 80];#memory_int := #memory_int[#t~string27.base,2 + #t~string27.offset := 117];#memory_int := #memory_int[#t~string27.base,3 + #t~string27.offset := 109];#memory_int := #memory_int[#t~string27.base,4 + #t~string27.offset := 112];#memory_int := #memory_int[#t~string27.base,5 + #t~string27.offset := 58];#memory_int := #memory_int[#t~string27.base,6 + #t~string27.offset := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string29.base,#t~string29.offset := 79];#memory_int := #memory_int[#t~string29.base,1 + #t~string29.offset := 110];#memory_int := #memory_int[#t~string29.base,2 + #t~string29.offset := 0];call #t~string31.base, #t~string31.offset := #Ultimate.alloc(4);#memory_int := #memory_int[#t~string31.base,#t~string31.offset := 79];#memory_int := #memory_int[#t~string31.base,1 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,2 + #t~string31.offset := 102];#memory_int := #memory_int[#t~string31.base,3 + #t~string31.offset := 0];call #t~string33.base, #t~string33.offset := #Ultimate.alloc(3);#memory_int := #memory_int[#t~string33.base,#t~string33.offset := 41];#memory_int := #memory_int[#t~string33.base,1 + #t~string33.offset := 32];#memory_int := #memory_int[#t~string33.base,2 + #t~string33.offset := 0];call #t~string35.base, #t~string35.offset := #Ultimate.alloc(2);#memory_int := #memory_int[#t~string35.base,#t~string35.offset := 10];#memory_int := #memory_int[#t~string35.base,1 + #t~string35.offset := 0];call #t~string56.base, #t~string56.offset := #Ultimate.alloc(30);call #t~string57.base, #t~string57.offset := #Ultimate.alloc(9);call #t~string58.base, #t~string58.offset := #Ultimate.alloc(21);call #t~string59.base, #t~string59.offset := #Ultimate.alloc(30);call #t~string60.base, #t~string60.offset := #Ultimate.alloc(9);call #t~string61.base, #t~string61.offset := #Ultimate.alloc(21);call #t~string65.base, #t~string65.offset := #Ultimate.alloc(30);call #t~string66.base, #t~string66.offset := #Ultimate.alloc(9);call #t~string67.base, #t~string67.offset := #Ultimate.alloc(25);call #t~string68.base, #t~string68.offset := #Ultimate.alloc(30);call #t~string69.base, #t~string69.offset := #Ultimate.alloc(9);call #t~string70.base, #t~string70.offset := #Ultimate.alloc(25);~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0; 1198#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res;havoc main_#t~ret74, main_~retValue_acc~13, main_~tmp~10;havoc main_~retValue_acc~13;havoc main_~tmp~10;assume { :begin_inline_select_helpers } true; 1199#L882 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1241#L875 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res;havoc valid_product_~retValue_acc~12;havoc valid_product_~retValue_acc~12;valid_product_~retValue_acc~12 := 1;valid_product_#res := valid_product_~retValue_acc~12; 1272#L890 main_#t~ret74 := valid_product_#res;assume { :end_inline_valid_product } true;main_~tmp~10 := main_#t~ret74;havoc main_#t~ret74; 1273#L977 assume 0 != main_~tmp~10;assume { :begin_inline_setup } true; 1213#L954 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet12, test_#t~nondet13, test_#t~nondet14, test_#t~nondet15, test_~splverifierCounter~0, test_~tmp~1, test_~tmp___0~1, test_~tmp___1~0, test_~tmp___2~0;havoc test_~splverifierCounter~0;havoc test_~tmp~1;havoc test_~tmp___0~1;havoc test_~tmp___1~0;havoc test_~tmp___2~0;test_~splverifierCounter~0 := 0; 1214#L201-3 [2018-11-18 14:33:32,776 INFO L796 eck$LassoCheckResult]: Loop: 1214#L201-3 assume true; 1311#L201-1 assume !false; 1312#L202 assume test_~splverifierCounter~0 < 4; 1379#L203 test_~tmp~1 := test_#t~nondet12;havoc test_#t~nondet12; 1380#L211 assume !(0 != test_~tmp~1); 1445#L211-2 test_~tmp___0~1 := test_#t~nondet13;havoc test_#t~nondet13; 1443#L221 assume !(0 != test_~tmp___0~1); 1256#L221-2 test_~tmp___2~0 := test_#t~nondet14;havoc test_#t~nondet14; 1257#L231 assume 0 != test_~tmp___2~0; 1322#L237-2 assume { :begin_inline_timeShift } true; 1323#L268 assume !(0 != ~pumpRunning~0); 1266#L268-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret17, processEnvironment_~tmp~3;havoc processEnvironment_~tmp~3; 1244#L326 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16, processEnvironment__wrappee__highWaterSensor_~tmp~2;havoc processEnvironment__wrappee__highWaterSensor_~tmp~2; 1245#L300-2 assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res;havoc isHighWaterLevel_#t~ret36, isHighWaterLevel_~retValue_acc~6, isHighWaterLevel_~tmp~5, isHighWaterLevel_~tmp___0~2;havoc isHighWaterLevel_~retValue_acc~6;havoc isHighWaterLevel_~tmp~5;havoc isHighWaterLevel_~tmp___0~2;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res;havoc isHighWaterSensorDry_~retValue_acc~2;havoc isHighWaterSensorDry_~retValue_acc~2; 1209#L131-1 assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2 := 1;isHighWaterSensorDry_#res := isHighWaterSensorDry_~retValue_acc~2; 1210#L136-1 isHighWaterLevel_#t~ret36 := isHighWaterSensorDry_#res;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~5 := isHighWaterLevel_#t~ret36;havoc isHighWaterLevel_#t~ret36; 1229#L446-3 assume 0 != isHighWaterLevel_~tmp~5;isHighWaterLevel_~tmp___0~2 := 0; 1295#L446-5 isHighWaterLevel_~retValue_acc~6 := isHighWaterLevel_~tmp___0~2;isHighWaterLevel_#res := isHighWaterLevel_~retValue_acc~6; 1276#L452-1 processEnvironment__wrappee__highWaterSensor_#t~ret16 := isHighWaterLevel_#res;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~2 := processEnvironment__wrappee__highWaterSensor_#t~ret16;havoc processEnvironment__wrappee__highWaterSensor_#t~ret16; 1223#L304-3 assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~2);assume { :begin_inline_processEnvironment__wrappee__base } true; 1225#L292-2 assume { :end_inline_processEnvironment__wrappee__base } true; 1317#L300-3 assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true; 1251#L326-1 assume { :end_inline_processEnvironment } true; 1252#L275-1 assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret10, __utac_acc__Specification1_spec__1_#t~ret11, __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;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res;havoc isMethaneLevelCritical_~retValue_acc~0;havoc isMethaneLevelCritical_~retValue_acc~0;isMethaneLevelCritical_~retValue_acc~0 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res := isMethaneLevelCritical_~retValue_acc~0; 1337#L91-2 __utac_acc__Specification1_spec__1_#t~ret10 := isMethaneLevelCritical_#res;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~0 := __utac_acc__Specification1_spec__1_#t~ret10;havoc __utac_acc__Specification1_spec__1_#t~ret10; 1338#L161 assume !(0 != __utac_acc__Specification1_spec__1_~tmp~0); 1449#L161-1 assume { :end_inline___utac_acc__Specification1_spec__1 } true; 1448#L285 assume { :end_inline_timeShift } true; 1214#L201-3 [2018-11-18 14:33:32,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2018-11-18 14:33:32,776 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,777 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,810 INFO L82 PathProgramCache]: Analyzing trace with hash -1490974012, now seen corresponding path program 1 times [2018-11-18 14:33:32,810 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,810 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,811 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-11-18 14:33:32,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 14:33:32,820 INFO L82 PathProgramCache]: Analyzing trace with hash 1553011336, now seen corresponding path program 1 times [2018-11-18 14:33:32,820 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 14:33:32,820 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 14:33:32,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 14:33:32,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 14:33:32,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:33:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 14:35:08,054 WARN L180 SmtUtils]: Spent 1.58 m on a formula simplification. DAG size of input: 395 DAG size of output: 393 [2018-11-18 14:35:59,291 WARN L180 SmtUtils]: Spent 51.24 s on a formula simplification that was a NOOP. DAG size: 393 [2018-11-18 14:35:59,355 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 02:35:59 BoogieIcfgContainer [2018-11-18 14:35:59,355 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-18 14:35:59,355 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 14:35:59,356 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 14:35:59,356 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 14:35:59,356 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 02:33:31" (3/4) ... [2018-11-18 14:35:59,358 INFO L141 WitnessPrinter]: Generating witness for non-termination counterexample [2018-11-18 14:35:59,402 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_70c6a658-1d55-4ae3-947a-8857ba4a8cf9/bin-2019/uautomizer/witness.graphml [2018-11-18 14:35:59,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 14:35:59,403 INFO L168 Benchmark]: Toolchain (without parser) took 148523.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 956.4 MB in the beginning and 918.5 MB in the end (delta: 37.9 MB). Peak memory consumption was 160.6 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,404 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 14:35:59,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 52.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,405 INFO L168 Benchmark]: Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,405 INFO L168 Benchmark]: RCFGBuilder took 555.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,405 INFO L168 Benchmark]: BuchiAutomizer took 147473.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 132.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,406 INFO L168 Benchmark]: Witness Printer took 47.35 ms. Allocated memory is still 1.2 GB. Free memory was 922.7 MB in the beginning and 918.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. [2018-11-18 14:35:59,408 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.3 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 52.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 555.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 74.5 MB). Peak memory consumption was 74.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 147473.32 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: -29.4 MB). Free memory was 1.1 GB in the beginning and 922.7 MB in the end (delta: 132.8 MB). Peak memory consumption was 179.8 MB. Max. memory is 11.5 GB. * Witness Printer took 47.35 ms. Allocated memory is still 1.2 GB. Free memory was 922.7 MB in the beginning and 918.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 291 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 147.4s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 146.9s. Construction of modules took 0.1s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 174 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 291 states and ocurred in iteration 2. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 474 SDtfs, 1111 SDslu, 1130 SDs, 0 SdLazy, 73 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time LassoAnalysisResults: nont1 unkn0 SFLI1 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: 201]: 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, retValue_acc=0, "Env(Water:%i"=33, "OK"=28, "__utac__get_this_arg"=0, "libacc.c"=0, retValue_acc=1, "i > 0 && i <= this->argsCount"=16, methaneLevelCritical=0, tmp___0=0, "i > 0 && i <= this->argsCount"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, ") "=18, "libacc.c"=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3488fb96=0, "i > 0 && i <= this->argsCount"=8, "__utac__get_this_argtype"=0, tmp___1=0, "On"=20, retValue_acc=0, "On"=24, tmp___0=0, cleanupTimeShifts=4, tmp=0, "Off"=23, "Off"=19, tmp=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@7db06cbe=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e0d0596=0, tmp=1, "Off"=0, "On"=0, "Pump(System:"=0, ",Pump:"=0, "On"=0, NULL=0, systemActive=1, waterLevel=1, "libacc.c"=38, "__utac__get_this_arg"=14, \result=0, "libacc.c"=12, "__utac__get_this_arg"=0, "libacc.c"=0, "i > 0 && i <= this->argsCount"=0, \result=1, retValue_acc=0, head=0, pumpRunning=0, "libacc.c"=15, \result=0, "Pump(System:"=26, "libacc.c"=35, retValue_acc=1, "__utac__get_this_argtype"=0, "\n"=0, ") "=0, "\n"=17, tmp=0, \result=1, "__utac__get_this_argtype"=34, "__utac__get_this_arg"=37, "CRIT"=29, tmp___2=40, tmp=1, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@5e840a13=0, tmp___0=0, splverifierCounter=0, "Env(Water:%i"=0, ",Meth:"=0, "i > 0 && i <= this->argsCount"=0, ")"=0, "OK"=0, "CRIT"=0, \result=0, ")"=27, "__utac__get_this_argtype"=39, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3a6a43af=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@530b595e=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31a1ce0b=40, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@76fcab0c=0, "i > 0 && i <= this->argsCount"=11, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@3e988d88=0, tmp=0, head=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@153f507c=0, ",Pump:"=22, ",Meth:"=31, "Off"=0, "i > 0 && i <= this->argsCount"=36} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 201]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L100] FCALL "Env(Water:%i" [L101] FCALL ",Meth:" [L105] FCALL "CRIT" [L109] FCALL "OK" [L113] FCALL ")" [L406] FCALL "Pump(System:" [L410] FCALL "On" [L414] FCALL "Off" [L418] FCALL ",Pump:" [L422] FCALL "On" [L426] FCALL "Off" [L430] FCALL ") " [L432] FCALL "\n" [L788] FCALL "i > 0 && i <= this->argsCount" [L788] FCALL "libacc.c" [L789] FCALL "__utac__get_this_arg" [L795] FCALL "i > 0 && i <= this->argsCount" [L795] FCALL "libacc.c" [L796] FCALL "__utac__get_this_arg" [L834] FCALL "i > 0 && i <= this->argsCount" [L834] FCALL "libacc.c" [L835] FCALL "__utac__get_this_argtype" [L841] FCALL "i > 0 && i <= this->argsCount" [L841] FCALL "libacc.c" [L842] FCALL "__utac__get_this_argtype" [L48] int waterLevel = 1; [L49] int methaneLevelCritical = 0; [L261] int pumpRunning = 0; [L262] int systemActive = 1; [L895] int cleanupTimeShifts = 4; [L660] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L968] int retValue_acc ; [L969] int tmp ; [L973] FCALL select_helpers() [L974] FCALL select_features() [L975] CALL, EXPR valid_product() [L886] int retValue_acc ; [L889] retValue_acc = 1 [L890] RET return (retValue_acc); [L975] EXPR valid_product() [L975] tmp = valid_product() [L977] COND TRUE \read(tmp) [L979] FCALL setup() [L980] CALL runTest() [L962] CALL test() [L192] int splverifierCounter ; [L193] int tmp ; [L194] int tmp___0 ; [L195] int tmp___1 ; [L196] int tmp___2 ; [L199] splverifierCounter = 0 Loop: [L201] COND TRUE 1 [L203] COND TRUE splverifierCounter < 4 [L209] tmp = __VERIFIER_nondet_int() [L211] COND FALSE !(\read(tmp)) [L219] tmp___0 = __VERIFIER_nondet_int() [L221] COND FALSE !(\read(tmp___0)) [L229] tmp___2 = __VERIFIER_nondet_int() [L231] COND TRUE \read(tmp___2) [L246] CALL timeShift() [L268] COND FALSE !(\read(pumpRunning)) [L275] COND TRUE \read(systemActive) [L277] CALL processEnvironment() [L323] int tmp ; [L326] COND FALSE !(\read(pumpRunning)) [L341] CALL processEnvironment__wrappee__highWaterSensor() [L297] int tmp ; [L300] COND TRUE ! pumpRunning [L302] CALL, EXPR isHighWaterLevel() [L438] int retValue_acc ; [L439] int tmp ; [L440] int tmp___0 ; [L444] CALL, EXPR isHighWaterSensorDry() [L128] int retValue_acc ; [L131] COND TRUE waterLevel < 2 [L132] retValue_acc = 1 [L133] RET return (retValue_acc); [L444] EXPR isHighWaterSensorDry() [L444] tmp = isHighWaterSensorDry() [L446] COND TRUE \read(tmp) [L447] tmp___0 = 0 [L451] retValue_acc = tmp___0 [L452] RET return (retValue_acc); [L302] EXPR isHighWaterLevel() [L302] tmp = isHighWaterLevel() [L304] COND FALSE !(\read(tmp)) [L310] RET, FCALL processEnvironment__wrappee__base() [L341] RET processEnvironment__wrappee__highWaterSensor() [L277] processEnvironment() [L283] CALL __utac_acc__Specification1_spec__1() [L154] int tmp ; [L155] int tmp___0 ; [L159] CALL, EXPR isMethaneLevelCritical() [L87] int retValue_acc ; [L90] retValue_acc = methaneLevelCritical [L91] RET return (retValue_acc); [L159] EXPR isMethaneLevelCritical() [L159] tmp = isMethaneLevelCritical() [L161] COND FALSE, RET !(\read(tmp)) [L283] RET __utac_acc__Specification1_spec__1() [L246] timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! Received shutdown request...