./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d733dbb906adb6defb82ddd5acbd52a79b17963e ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:48:29,469 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:48:29,471 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:48:29,479 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:48:29,479 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:48:29,480 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:48:29,480 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:48:29,481 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:48:29,482 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:48:29,483 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:48:29,484 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:48:29,484 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:48:29,484 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:48:29,485 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:48:29,486 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:48:29,486 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:48:29,487 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:48:29,488 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:48:29,489 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:48:29,491 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:48:29,491 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:48:29,492 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:48:29,494 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:48:29,494 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:48:29,494 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:48:29,495 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:48:29,496 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:48:29,496 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:48:29,497 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:48:29,497 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:48:29,498 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:48:29,498 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:48:29,498 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:48:29,498 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:48:29,499 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:48:29,500 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:48:29,500 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 07:48:29,510 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:48:29,510 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:48:29,511 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:48:29,511 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 07:48:29,511 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 07:48:29,511 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 07:48:29,512 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:48:29,512 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:48:29,513 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:48:29,513 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:48:29,513 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 07:48:29,513 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 07:48:29,513 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:48:29,513 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:48:29,513 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:48:29,514 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:48:29,514 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak 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(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak 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 -> d733dbb906adb6defb82ddd5acbd52a79b17963e [2018-11-10 07:48:29,536 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:48:29,544 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:48:29,546 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:48:29,547 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:48:29,548 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:48:29,548 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-10 07:48:29,584 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/data/3e7f01e36/5c07660c39724b0c919cf4e873966f2d/FLAG8571332a7 [2018-11-10 07:48:29,922 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:48:29,922 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/sv-benchmarks/c/product-lines/minepump_spec4_product29_true-unreach-call_false-termination.cil.c [2018-11-10 07:48:29,931 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/data/3e7f01e36/5c07660c39724b0c919cf4e873966f2d/FLAG8571332a7 [2018-11-10 07:48:29,941 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/data/3e7f01e36/5c07660c39724b0c919cf4e873966f2d [2018-11-10 07:48:29,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:48:29,945 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:48:29,945 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:48:29,946 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:48:29,948 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:48:29,948 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:29" (1/1) ... [2018-11-10 07:48:29,950 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50c4b469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:29, skipping insertion in model container [2018-11-10 07:48:29,950 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:48:29" (1/1) ... [2018-11-10 07:48:29,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:48:29,986 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:48:30,172 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:48:30,181 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:48:30,235 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:48:30,254 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:48:30,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30 WrapperNode [2018-11-10 07:48:30,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:48:30,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:48:30,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:48:30,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:48:30,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,333 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:48:30,333 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:48:30,333 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:48:30,333 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:48:30,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,347 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,354 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... [2018-11-10 07:48:30,356 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:48:30,357 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:48:30,357 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:48:30,357 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:48:30,358 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:48:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 07:48:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-10 07:48:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:48:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:48:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:48:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:48:30,396 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:48:30,396 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:48:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:48:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:48:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:48:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:48:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:48:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:48:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:48:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:48:30,397 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:48:30,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:48:30,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:48:30,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:48:31,316 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:48:31,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:31 BoogieIcfgContainer [2018-11-10 07:48:31,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:48:31,317 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 07:48:31,317 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 07:48:31,327 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 07:48:31,327 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:31" (1/1) ... [2018-11-10 07:48:31,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:48:31,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 61 states and 81 transitions. [2018-11-10 07:48:31,377 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 81 transitions. [2018-11-10 07:48:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 07:48:31,382 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:31,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:31,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2018-11-10 07:48:31,547 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2018-11-10 07:48:31,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 07:48:31,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:31,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 64 states and 82 transitions. [2018-11-10 07:48:31,650 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 82 transitions. [2018-11-10 07:48:31,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 07:48:31,651 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:31,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:31,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 74 states and 101 transitions. [2018-11-10 07:48:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 101 transitions. [2018-11-10 07:48:31,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:48:31,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:31,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:31,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 75 states and 102 transitions. [2018-11-10 07:48:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 102 transitions. [2018-11-10 07:48:31,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 07:48:31,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:31,961 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:31,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:31,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 76 states and 103 transitions. [2018-11-10 07:48:31,970 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 103 transitions. [2018-11-10 07:48:31,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 07:48:31,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:32,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:32,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 91 states and 136 transitions. [2018-11-10 07:48:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2018-11-10 07:48:32,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:48:32,343 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:32,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:32,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:32,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 105 states and 169 transitions. [2018-11-10 07:48:32,912 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 169 transitions. [2018-11-10 07:48:32,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 07:48:32,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 108 states and 172 transitions. [2018-11-10 07:48:33,048 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 172 transitions. [2018-11-10 07:48:33,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:48:33,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 110 states and 177 transitions. [2018-11-10 07:48:33,274 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 177 transitions. [2018-11-10 07:48:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-11-10 07:48:33,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 108 states and 171 transitions. [2018-11-10 07:48:33,351 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 171 transitions. [2018-11-10 07:48:33,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-10 07:48:33,354 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,404 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 115 states and 184 transitions. [2018-11-10 07:48:33,535 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 184 transitions. [2018-11-10 07:48:33,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 07:48:33,538 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,556 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 120 states and 194 transitions. [2018-11-10 07:48:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 194 transitions. [2018-11-10 07:48:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 07:48:33,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,775 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 121 states and 195 transitions. [2018-11-10 07:48:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 195 transitions. [2018-11-10 07:48:33,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-10 07:48:33,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:33,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:33,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:34,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 136 states and 226 transitions. [2018-11-10 07:48:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 226 transitions. [2018-11-10 07:48:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:48:34,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:48:34,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:34,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 140 states and 233 transitions. [2018-11-10 07:48:34,596 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 233 transitions. [2018-11-10 07:48:34,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:48:34,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:34,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:48:34,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:34,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 141 states and 234 transitions. [2018-11-10 07:48:34,646 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 234 transitions. [2018-11-10 07:48:34,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:48:34,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:34,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:34,732 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:35,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:35,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 152 states and 268 transitions. [2018-11-10 07:48:35,332 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 268 transitions. [2018-11-10 07:48:35,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:48:35,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:35,418 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:35,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:35,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 155 states and 274 transitions. [2018-11-10 07:48:35,567 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 274 transitions. [2018-11-10 07:48:35,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 07:48:35,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:35,635 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:36,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:36,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 160 states and 285 transitions. [2018-11-10 07:48:36,111 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 285 transitions. [2018-11-10 07:48:36,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-11-10 07:48:36,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:36,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:36,164 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:36,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:36,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 167 states and 303 transitions. [2018-11-10 07:48:36,299 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 303 transitions. [2018-11-10 07:48:36,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-10 07:48:36,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:36,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:36,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 168 states and 302 transitions. [2018-11-10 07:48:36,549 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 302 transitions. [2018-11-10 07:48:36,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 07:48:36,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:36,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:36,589 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-11-10 07:48:37,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 173 states and 312 transitions. [2018-11-10 07:48:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 312 transitions. [2018-11-10 07:48:37,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 07:48:37,010 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,078 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-10 07:48:37,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 174 states and 313 transitions. [2018-11-10 07:48:37,095 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 313 transitions. [2018-11-10 07:48:37,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 07:48:37,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,187 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-10 07:48:37,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 175 states and 314 transitions. [2018-11-10 07:48:37,204 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 314 transitions. [2018-11-10 07:48:37,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 07:48:37,205 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 07:48:37,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 165 states and 294 transitions. [2018-11-10 07:48:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 294 transitions. [2018-11-10 07:48:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-10 07:48:37,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,314 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 07:48:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 169 states and 301 transitions. [2018-11-10 07:48:37,491 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 301 transitions. [2018-11-10 07:48:37,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-11-10 07:48:37,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,511 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-10 07:48:37,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 167 states and 297 transitions. [2018-11-10 07:48:37,551 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 297 transitions. [2018-11-10 07:48:37,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 07:48:37,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,570 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 07:48:37,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 165 states and 292 transitions. [2018-11-10 07:48:37,602 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 292 transitions. [2018-11-10 07:48:37,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 07:48:37,603 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-10 07:48:37,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:37,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 155 states and 274 transitions. [2018-11-10 07:48:37,759 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 274 transitions. [2018-11-10 07:48:37,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 07:48:37,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 07:48:37,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:48:37,843 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-10 07:48:38,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 07:48:38,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 79 states and 105 transitions. [2018-11-10 07:48:38,117 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 105 transitions. [2018-11-10 07:48:38,117 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:48:38,117 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-11-10 07:48:38,124 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 07:48:38,289 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,291 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,292 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,292 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,292 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,295 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,296 INFO L582 CodeCheckObserver]: Invariant with dag size 9 [2018-11-10 07:48:38,296 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,296 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-11-10 07:48:38,296 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,297 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 07:48:38,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 07:48:38 ImpRootNode [2018-11-10 07:48:38,297 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 07:48:38,297 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:48:38,297 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:48:38,298 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:48:38,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:48:31" (3/4) ... [2018-11-10 07:48:38,303 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:48:38,307 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:48:38,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:48:38,308 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:48:38,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 64 nodes and edges [2018-11-10 07:48:38,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2018-11-10 07:48:38,315 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-10 07:48:38,335 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive [2018-11-10 07:48:38,336 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-11-10 07:48:38,371 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8c7d2d2-2878-425f-a3cd-037c8e271a0d/bin-2019/ukojak/witness.graphml [2018-11-10 07:48:38,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:48:38,371 INFO L168 Benchmark]: Toolchain (without parser) took 8426.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 213.9 MB). Free memory was 959.1 MB in the beginning and 870.1 MB in the end (delta: 89.0 MB). Peak memory consumption was 303.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,372 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:48:38,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 309.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 933.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,373 INFO L168 Benchmark]: Boogie Procedure Inliner took 78.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,373 INFO L168 Benchmark]: Boogie Preprocessor took 23.19 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. [2018-11-10 07:48:38,373 INFO L168 Benchmark]: RCFGBuilder took 960.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,373 INFO L168 Benchmark]: CodeCheck took 6979.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 877.2 MB in the end (delta: 133.9 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,373 INFO L168 Benchmark]: Witness Printer took 73.46 ms. Allocated memory is still 1.2 GB. Free memory was 877.2 MB in the beginning and 870.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-11-10 07:48:38,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 9 procedures, 124 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -410514640 SDtfs, 516175908 SDslu, 1049311968 SDs, 0 SdLazy, 1816459202 SolverSat, -1473865710 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13249 GetRequests, 12963 SyntacticMatches, 108 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17846 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1300 NumberOfCodeBlocks, 1300 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1270 ConstructedInterpolants, 0 QuantifiedInterpolants, 130050 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 21 PerfectInterpolantSequences, 399/433 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 140]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 920]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: (\old(pumpRunning) == pumpRunning || !(0 == pumpRunning)) || 0 == systemActive - InvariantResult [Line: 140]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 740]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: (0 == pumpRunning && 1 == waterLevel) && systemActive == 1 - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 635]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 682]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 309.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.5 MB in the beginning and 933.9 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 78.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -187.5 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.19 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 960.24 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 107.7 MB). Peak memory consumption was 107.7 MB. Max. memory is 11.5 GB. * CodeCheck took 6979.75 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 89.1 MB). Free memory was 1.0 GB in the beginning and 877.2 MB in the end (delta: 133.9 MB). Peak memory consumption was 223.0 MB. Max. memory is 11.5 GB. * Witness Printer took 73.46 ms. Allocated memory is still 1.2 GB. Free memory was 877.2 MB in the beginning and 870.1 MB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...