./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_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_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/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 e966d9b3bce12fee8fc2d0d68326680d997e6955 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:57:03,208 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:57:03,209 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:57:03,221 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:57:03,222 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:57:03,223 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:57:03,224 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:57:03,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:57:03,228 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:57:03,229 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:57:03,229 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:57:03,230 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:57:03,230 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:57:03,231 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:57:03,232 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:57:03,232 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:57:03,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:57:03,237 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:57:03,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:57:03,247 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:57:03,248 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:57:03,249 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:57:03,253 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:57:03,253 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:57:03,254 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:57:03,254 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:57:03,255 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:57:03,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:57:03,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:57:03,256 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:57:03,257 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:57:03,257 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:57:03,257 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:57:03,257 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:57:03,260 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:57:03,261 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:57:03,263 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 22:57:03,274 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:57:03,274 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:57:03,275 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:57:03,275 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 22:57:03,276 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 22:57:03,276 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 22:57:03,276 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:57:03,276 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:57:03,276 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:57:03,276 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:57:03,276 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:57:03,277 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:57:03,277 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 22:57:03,278 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 22:57:03,278 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 22:57:03,280 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 22:57:03,280 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:57:03,281 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:57:03,281 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_59efa89a-7dd9-4844-b5d6-4f0c393460b4/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 -> e966d9b3bce12fee8fc2d0d68326680d997e6955 [2018-10-26 22:57:03,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:57:03,316 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:57:03,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:57:03,320 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:57:03,321 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:57:03,321 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/../../sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-10-26 22:57:03,370 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/data/8b6bcf00c/ec1e039ccab34998bbc23428ec28438b/FLAGc723a2732 [2018-10-26 22:57:03,756 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:57:03,762 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/sv-benchmarks/c/product-lines/minepump_spec4_product31_true-unreach-call_false-termination.cil.c [2018-10-26 22:57:03,774 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/data/8b6bcf00c/ec1e039ccab34998bbc23428ec28438b/FLAGc723a2732 [2018-10-26 22:57:03,788 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/data/8b6bcf00c/ec1e039ccab34998bbc23428ec28438b [2018-10-26 22:57:03,791 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:57:03,792 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:57:03,793 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:57:03,793 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:57:03,797 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:57:03,797 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:57:03" (1/1) ... [2018-10-26 22:57:03,799 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1eda7c4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:03, skipping insertion in model container [2018-10-26 22:57:03,799 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:57:03" (1/1) ... [2018-10-26 22:57:03,807 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:57:03,845 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:57:04,070 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:57:04,083 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:57:04,143 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:57:04,169 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:57:04,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04 WrapperNode [2018-10-26 22:57:04,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:57:04,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:57:04,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:57:04,171 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:57:04,178 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,252 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:57:04,280 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:57:04,281 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:57:04,281 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:57:04,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,320 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,325 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,327 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... [2018-10-26 22:57:04,329 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:57:04,330 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:57:04,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:57:04,342 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:57:04,343 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:57:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/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 [2018-10-26 22:57:04,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-10-26 22:57:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:57:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:57:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:57:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:57:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:57:04,415 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:57:04,415 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:57:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:57:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:57:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:57:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:57:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:57:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:57:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:57:04,416 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:57:04,416 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:57:04,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:57:04,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:57:06,685 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:57:06,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:57:06 BoogieIcfgContainer [2018-10-26 22:57:06,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:57:06,686 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 22:57:06,686 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 22:57:06,693 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 22:57:06,693 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:57:06" (1/1) ... [2018-10-26 22:57:06,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:57:06,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:06,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-10-26 22:57:06,738 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-10-26 22:57:06,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 22:57:06,743 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:06,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:06,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:06,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 66 states and 87 transitions. [2018-10-26 22:57:06,943 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 87 transitions. [2018-10-26 22:57:06,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 22:57:06,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:07,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:07,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:07,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 69 states and 91 transitions. [2018-10-26 22:57:07,211 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2018-10-26 22:57:07,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 22:57:07,212 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:07,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:07,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:07,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 80 states and 112 transitions. [2018-10-26 22:57:07,881 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 112 transitions. [2018-10-26 22:57:07,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 22:57:07,882 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:07,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:07,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:07,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 81 states and 113 transitions. [2018-10-26 22:57:07,961 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 113 transitions. [2018-10-26 22:57:07,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:57:07,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:08,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:08,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 82 states and 114 transitions. [2018-10-26 22:57:08,052 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 114 transitions. [2018-10-26 22:57:08,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:57:08,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:08,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:08,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:08,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 83 states and 115 transitions. [2018-10-26 22:57:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 115 transitions. [2018-10-26 22:57:08,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 22:57:08,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:08,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:09,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:09,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 100 states and 148 transitions. [2018-10-26 22:57:09,037 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 148 transitions. [2018-10-26 22:57:09,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:57:09,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:09,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:09,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:09,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 101 states and 149 transitions. [2018-10-26 22:57:09,175 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 149 transitions. [2018-10-26 22:57:09,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 22:57:09,177 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:09,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:09,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 102 states and 150 transitions. [2018-10-26 22:57:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 150 transitions. [2018-10-26 22:57:09,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 22:57:09,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:09,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:09,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:09,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:09,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 109 states and 166 transitions. [2018-10-26 22:57:09,924 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 166 transitions. [2018-10-26 22:57:09,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 22:57:09,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:09,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:10,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:10,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:10,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 111 states and 169 transitions. [2018-10-26 22:57:10,331 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 169 transitions. [2018-10-26 22:57:10,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 22:57:10,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:10,475 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:10,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:10,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 109 states and 165 transitions. [2018-10-26 22:57:10,521 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 165 transitions. [2018-10-26 22:57:10,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-26 22:57:10,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:10,613 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:10,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:10,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 120 states and 188 transitions. [2018-10-26 22:57:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 188 transitions. [2018-10-26 22:57:10,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:57:10,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:10,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:10,993 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:11,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:11,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 118 states and 184 transitions. [2018-10-26 22:57:11,116 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 184 transitions. [2018-10-26 22:57:11,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:57:11,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:11,148 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:11,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:11,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 115 states and 178 transitions. [2018-10-26 22:57:11,364 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 178 transitions. [2018-10-26 22:57:11,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:57:11,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:11,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:11,398 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:12,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 127 states and 213 transitions. [2018-10-26 22:57:12,405 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 213 transitions. [2018-10-26 22:57:12,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-10-26 22:57:12,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:12,432 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 130 states and 216 transitions. [2018-10-26 22:57:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 216 transitions. [2018-10-26 22:57:13,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-10-26 22:57:13,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,117 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:57:13,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 130 states and 214 transitions. [2018-10-26 22:57:13,200 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 214 transitions. [2018-10-26 22:57:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 22:57:13,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,226 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-10-26 22:57:13,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 131 states and 214 transitions. [2018-10-26 22:57:13,233 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 214 transitions. [2018-10-26 22:57:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-10-26 22:57:13,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:13,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 132 states and 211 transitions. [2018-10-26 22:57:13,665 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 211 transitions. [2018-10-26 22:57:13,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 22:57:13,665 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,707 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:13,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 133 states and 212 transitions. [2018-10-26 22:57:13,763 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 212 transitions. [2018-10-26 22:57:13,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-10-26 22:57:13,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,793 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:13,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:13,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 134 states and 213 transitions. [2018-10-26 22:57:13,851 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 213 transitions. [2018-10-26 22:57:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-10-26 22:57:13,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:57:14,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:14,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 137 states and 215 transitions. [2018-10-26 22:57:14,043 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 215 transitions. [2018-10-26 22:57:14,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:57:14,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:14,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:14,591 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:57:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 139 states and 218 transitions. [2018-10-26 22:57:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 218 transitions. [2018-10-26 22:57:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-10-26 22:57:14,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:14,912 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:57:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:15,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 143 states and 225 transitions. [2018-10-26 22:57:15,196 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 225 transitions. [2018-10-26 22:57:15,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-10-26 22:57:15,197 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:15,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:15,443 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-10-26 22:57:15,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:15,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 110 states and 159 transitions. [2018-10-26 22:57:15,579 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 159 transitions. [2018-10-26 22:57:15,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:57:15,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:15,601 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:57:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 111 states and 159 transitions. [2018-10-26 22:57:15,801 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 159 transitions. [2018-10-26 22:57:15,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 22:57:15,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:15,823 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:57:16,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:16,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 109 states and 155 transitions. [2018-10-26 22:57:16,058 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 155 transitions. [2018-10-26 22:57:16,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-10-26 22:57:16,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 22:57:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:57:16,078 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-26 22:57:16,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 22:57:16,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 68 states and 88 transitions. [2018-10-26 22:57:16,152 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2018-10-26 22:57:16,152 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:57:16,152 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 30 iterations. [2018-10-26 22:57:16,160 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 22:57:16,363 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,366 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,366 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,366 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,366 INFO L582 CodeCheckObserver]: Invariant with dag size 3 [2018-10-26 22:57:16,369 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,370 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,371 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,372 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,372 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,372 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 22:57:16,372 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-10-26 22:57:16,373 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 10:57:16 ImpRootNode [2018-10-26 22:57:16,373 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 22:57:16,373 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:57:16,373 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:57:16,373 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:57:16,374 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:57:06" (3/4) ... [2018-10-26 22:57:16,379 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:57:16,384 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:57:16,384 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-10-26 22:57:16,385 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:57:16,392 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 63 nodes and edges [2018-10-26 22:57:16,393 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2018-10-26 22:57:16,393 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-10-26 22:57:16,419 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) [2018-10-26 22:57:16,420 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: \old(pumpRunning) == pumpRunning [2018-10-26 22:57:16,464 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_59efa89a-7dd9-4844-b5d6-4f0c393460b4/bin-2019/ukojak/witness.graphml [2018-10-26 22:57:16,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:57:16,465 INFO L168 Benchmark]: Toolchain (without parser) took 12673.50 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 292.0 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -115.9 MB). Peak memory consumption was 176.1 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,466 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:57:16,466 INFO L168 Benchmark]: CACSL2BoogieTranslator took 377.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,467 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -229.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,467 INFO L168 Benchmark]: Boogie Preprocessor took 48.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:57:16,467 INFO L168 Benchmark]: RCFGBuilder took 2355.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,468 INFO L168 Benchmark]: CodeCheck took 9686.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.3 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,468 INFO L168 Benchmark]: Witness Printer took 91.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. [2018-10-26 22:57:16,472 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, 128 locations, 1 error locations. SAFE Result, 9.4s OverallTime, 30 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1737557772 SDtfs, 112172396 SDslu, -1528574276 SDs, 0 SdLazy, 172918140 SolverSat, 1580535180 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 18.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8685 GetRequests, 8463 SyntacticMatches, 134 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3372 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 949 NumberOfCodeBlocks, 949 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 920 ConstructedInterpolants, 0 QuantifiedInterpolants, 79142 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 29 InterpolantComputations, 23 PerfectInterpolantSequences, 240/265 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: 952]: 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: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 649]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 952]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 750]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: \old(pumpRunning) == pumpRunning || !(0 == pumpRunning) - InvariantResult [Line: 922]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 725]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 640]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: tmp == systemActive && 0 == pumpRunning * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 977.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 377.39 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.75 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 169.3 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -229.4 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 48.86 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 2355.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 110.9 MB). Peak memory consumption was 110.9 MB. Max. memory is 11.5 GB. * CodeCheck took 9686.82 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 122.7 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -33.3 MB). Peak memory consumption was 89.4 MB. Max. memory is 11.5 GB. * Witness Printer took 91.24 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...